sdl-ios-xcode: src/video/SDL_blit

annotate src/video/SDL_blit_auto.c @ 4600:8b22d33d8260

Remove experimental cruft.

author	Sunny Sachanandani <sunnysachanandani@gmail.com>
date	Sun, 18 Jul 2010 18:45:30 +0530
parents	f7b03b6838cb
children	e743b9c3f6d6

rev	line source
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1 /* DO NOT EDIT! This file is generated by sdlgenblit.pl */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2 /*
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3 SDL - Simple DirectMedia Layer
3697 f7b03b6838cb Fixed bug #926 Sam Lantinga <slouken@libsdl.org> parents: 2859 diff changeset	4 Copyright (C) 1997-2010 Sam Lantinga
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6 This library is free software; you can redistribute it and/or
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7 modify it under the terms of the GNU Lesser General Public
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8 License as published by the Free Software Foundation; either
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	9 version 2.1 of the License, or (at your option) any later version.
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	10
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	11 This library is distributed in the hope that it will be useful,
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	12 but WITHOUT ANY WARRANTY; without even the implied warranty of
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	14 Lesser General Public License for more details.
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	15
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	16 You should have received a copy of the GNU Lesser General Public
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	17 License along with this library; if not, write to the Free Software
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	18 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	19
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	20 Sam Lantinga
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	21 slouken@libsdl.org
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	22 */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	23 #include "SDL_config.h"
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	24
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	25 /* INDENT-OFF */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	26
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	27 #include "SDL_video.h"
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	28 #include "SDL_blit.h"
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	29 #include "SDL_blit_auto.h"
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	30
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	31 static void SDL_Blit_RGB888_RGB888_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	32 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	33 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	34 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	35 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	36 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	37
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	38 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	39 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	40 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	41 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	42
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	43 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	44 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	45 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	46 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	47 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	48 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	49 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	50 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	51 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	52 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	53 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	54 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	55 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	56 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	57 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	58 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	59 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	60 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	61 dst = src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	62 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	63 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	64 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	65 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	66 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	67 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	68 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	69
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	70 static void SDL_Blit_RGB888_RGB888_Blend(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	71 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	72 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	73 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	74 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	75 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	76 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	77
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	78 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	79 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	80 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	81 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	82 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	83 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	84 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	85 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	86 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	87 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	88 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	89 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	90 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	91 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	92 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	93 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	94 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	95 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	96 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	97 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	98 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	99 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	100 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	101 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	102 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	103 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	104 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	105 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	106 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	107 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	108 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	109 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	110 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	111 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	112 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	113 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	114 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	115 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	116 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	117 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	118 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	119 dstpixel = ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	120 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	121 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	122 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	123 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	124 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	125 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	126 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	127 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	128
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	129 static void SDL_Blit_RGB888_RGB888_Blend_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	130 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	131 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	132 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	133 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	134 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	135 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	136 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	137 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	138 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	139
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	140 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	141 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	142 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	143 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	144
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	145 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	146 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	147 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	148 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	149 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	150 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	151 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	152 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	153 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	154 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	155 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	156 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	157 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	158 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	159 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	160 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	161 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	162 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	163 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	164 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	165 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	166 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	167 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	168 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	169 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	170 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	171 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	172 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	173 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	174 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	175 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	176 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	177 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	178 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	179 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	180 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	181 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	182 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	183 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	184 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	185 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	186 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	187 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	188 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	189 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	190 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	191 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	192 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	193 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	194 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	195 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	196 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	197 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	198 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	199 dstpixel = ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	200 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	201 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	202 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	203 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	204 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	205 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	206 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	207 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	208
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	209 static void SDL_Blit_RGB888_RGB888_Modulate(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	210 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	211 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	212 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	213 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	214 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	215 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	216 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	217 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	218
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	219 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	220 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	221 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	222 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	223 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	224 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	225 R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel; A = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	226 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	227 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	228 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	229 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	230 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	231 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	232 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	233 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	234 pixel = ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	235 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	236 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	237 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	238 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	239 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	240 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	241 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	242 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	243
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	244 static void SDL_Blit_RGB888_RGB888_Modulate_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	245 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	246 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	247 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	248 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	249 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	250 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	251 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	252 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	253 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	254 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	255 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	256
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	257 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	258 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	259 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	260 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	261
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	262 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	263 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	264 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	265 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	266 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	267 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	268 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	269 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	270 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	271 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	272 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	273 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	274 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	275 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	276 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	277 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	278 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	279 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	280 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	281 R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel; A = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	282 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	283 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	284 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	285 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	286 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	287 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	288 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	289 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	290 pixel = ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	291 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	292 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	293 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	294 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	295 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	296 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	297 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	298 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	299
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	300 static void SDL_Blit_RGB888_RGB888_Modulate_Blend(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	301 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	302 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	303 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	304 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	305 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	306 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	307 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	308 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	309 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	310 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	311
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	312 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	313 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	314 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	315 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	316 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	317 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	318 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	319 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	320 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	321 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	322 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	323 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	324 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	325 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	326 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	327 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	328 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	329 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	330 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	331 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	332 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	333 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	334 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	335 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	336 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	337 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	338 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	339 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	340 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	341 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	342 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	343 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	344 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	345 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	346 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	347 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	348 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	349 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	350 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	351 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	352 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	353 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	354 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	355 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	356 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	357 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	358 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	359 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	360 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	361 dstpixel = ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	362 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	363 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	364 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	365 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	366 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	367 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	368 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	369 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	370
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	371 static void SDL_Blit_RGB888_RGB888_Modulate_Blend_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	372 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	373 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	374 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	375 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	376 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	377 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	378 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	379 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	380 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	381 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	382 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	383 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	384 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	385
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	386 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	387 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	388 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	389 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	390
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	391 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	392 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	393 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	394 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	395 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	396 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	397 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	398 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	399 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	400 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	401 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	402 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	403 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	404 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	405 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	406 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	407 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	408 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	409 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	410 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	411 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	412 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	413 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	414 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	415 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	416 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	417 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	418 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	419 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	420 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	421 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	422 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	423 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	424 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	425 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	426 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	427 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	428 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	429 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	430 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	431 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	432 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	433 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	434 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	435 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	436 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	437 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	438 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	439 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	440 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	441 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	442 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	443 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	444 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	445 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	446 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	447 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	448 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	449 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	450 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	451 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	452 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	453 dstpixel = ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	454 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	455 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	456 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	457 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	458 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	459 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	460 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	461 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	462
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	463 static void SDL_Blit_RGB888_BGR888_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	464 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	465 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	466 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	467 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	468 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	469 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	470 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	471
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	472 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	473 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	474 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	475 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	476
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	477 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	478 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	479 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	480 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	481 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	482 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	483 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	484 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	485 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	486 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	487 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	488 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	489 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	490 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	491 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	492 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	493 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	494 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	495 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	496 R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel; A = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	497 pixel = ((Uint32)B << 16) \| ((Uint32)G << 8) \| R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	498 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	499 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	500 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	501 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	502 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	503 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	504 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	505 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	506
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	507 static void SDL_Blit_RGB888_BGR888_Blend(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	508 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	509 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	510 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	511 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	512 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	513 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	514
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	515 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	516 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	517 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	518 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	519 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	520 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	521 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	522 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	523 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	524 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	525 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	526 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	527 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	528 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	529 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	530 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	531 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	532 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	533 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	534 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	535 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	536 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	537 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	538 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	539 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	540 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	541 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	542 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	543 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	544 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	545 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	546 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	547 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	548 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	549 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	550 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	551 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	552 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	553 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	554 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	555 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	556 dstpixel = ((Uint32)dstB << 16) \| ((Uint32)dstG << 8) \| dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	557 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	558 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	559 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	560 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	561 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	562 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	563 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	564 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	565
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	566 static void SDL_Blit_RGB888_BGR888_Blend_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	567 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	568 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	569 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	570 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	571 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	572 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	573 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	574 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	575 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	576
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	577 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	578 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	579 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	580 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	581
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	582 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	583 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	584 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	585 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	586 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	587 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	588 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	589 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	590 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	591 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	592 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	593 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	594 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	595 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	596 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	597 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	598 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	599 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	600 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	601 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	602 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	603 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	604 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	605 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	606 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	607 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	608 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	609 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	610 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	611 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	612 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	613 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	614 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	615 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	616 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	617 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	618 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	619 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	620 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	621 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	622 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	623 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	624 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	625 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	626 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	627 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	628 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	629 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	630 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	631 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	632 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	633 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	634 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	635 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	636 dstpixel = ((Uint32)dstB << 16) \| ((Uint32)dstG << 8) \| dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	637 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	638 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	639 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	640 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	641 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	642 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	643 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	644 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	645
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	646 static void SDL_Blit_RGB888_BGR888_Modulate(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	647 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	648 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	649 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	650 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	651 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	652 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	653 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	654 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	655
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	656 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	657 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	658 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	659 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	660 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	661 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	662 R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel; A = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	663 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	664 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	665 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	666 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	667 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	668 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	669 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	670 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	671 pixel = ((Uint32)B << 16) \| ((Uint32)G << 8) \| R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	672 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	673 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	674 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	675 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	676 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	677 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	678 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	679 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	680
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	681 static void SDL_Blit_RGB888_BGR888_Modulate_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	682 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	683 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	684 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	685 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	686 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	687 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	688 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	689 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	690 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	691 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	692 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	693
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	694 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	695 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	696 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	697 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	698
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	699 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	700 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	701 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	702 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	703 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	704 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	705 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	706 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	707 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	708 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	709 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	710 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	711 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	712 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	713 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	714 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	715 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	716 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	717 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	718 R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel; A = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	719 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	720 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	721 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	722 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	723 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	724 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	725 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	726 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	727 pixel = ((Uint32)B << 16) \| ((Uint32)G << 8) \| R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	728 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	729 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	730 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	731 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	732 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	733 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	734 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	735 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	736
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	737 static void SDL_Blit_RGB888_BGR888_Modulate_Blend(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	738 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	739 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	740 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	741 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	742 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	743 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	744 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	745 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	746 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	747 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	748
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	749 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	750 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	751 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	752 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	753 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	754 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	755 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	756 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	757 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	758 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	759 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	760 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	761 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	762 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	763 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	764 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	765 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	766 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	767 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	768 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	769 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	770 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	771 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	772 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	773 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	774 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	775 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	776 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	777 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	778 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	779 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	780 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	781 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	782 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	783 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	784 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	785 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	786 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	787 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	788 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	789 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	790 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	791 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	792 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	793 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	794 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	795 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	796 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	797 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	798 dstpixel = ((Uint32)dstB << 16) \| ((Uint32)dstG << 8) \| dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	799 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	800 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	801 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	802 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	803 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	804 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	805 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	806 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	807
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	808 static void SDL_Blit_RGB888_BGR888_Modulate_Blend_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	809 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	810 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	811 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	812 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	813 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	814 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	815 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	816 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	817 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	818 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	819 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	820 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	821 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	822
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	823 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	824 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	825 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	826 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	827
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	828 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	829 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	830 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	831 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	832 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	833 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	834 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	835 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	836 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	837 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	838 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	839 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	840 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	841 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	842 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	843 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	844 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	845 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	846 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	847 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	848 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	849 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	850 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	851 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	852 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	853 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	854 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	855 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	856 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	857 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	858 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	859 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	860 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	861 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	862 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	863 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	864 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	865 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	866 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	867 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	868 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	869 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	870 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	871 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	872 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	873 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	874 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	875 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	876 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	877 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	878 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	879 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	880 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	881 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	882 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	883 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	884 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	885 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	886 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	887 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	888 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	889 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	890 dstpixel = ((Uint32)dstB << 16) \| ((Uint32)dstG << 8) \| dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	891 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	892 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	893 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	894 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	895 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	896 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	897 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	898 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	899
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	900 static void SDL_Blit_RGB888_ARGB8888_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	901 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	902 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	903 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	904 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	905 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	906 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	907 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	908
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	909 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	910 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	911 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	912 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	913
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	914 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	915 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	916 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	917 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	918 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	919 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	920 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	921 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	922 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	923 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	924 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	925 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	926 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	927 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	928 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	929 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	930 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	931 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	932 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	933 R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel; A = 0xFF;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	934 pixel = ((Uint32)A << 24) \| ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	935 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	936 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	937 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	938 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	939 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	940 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	941 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	942 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	943
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	944 static void SDL_Blit_RGB888_ARGB8888_Blend(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	945 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	946 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	947 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	948 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	949 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	950 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	951
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	952 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	953 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	954 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	955 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	956 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	957 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	958 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	959 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	960 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	961 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	962 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	963 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	964 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	965 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	966 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	967 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	968 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	969 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	970 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	971 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	972 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	973 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	974 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	975 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	976 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	977 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	978 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	979 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	980 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	981 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	982 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	983 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	984 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	985 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	986 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	987 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	988 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	989 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	990 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	991 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	992 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	993 dstpixel = ((Uint32)dstA << 24) \| ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	994 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	995 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	996 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	997 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	998 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	999 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1000 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1001 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1002
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1003 static void SDL_Blit_RGB888_ARGB8888_Blend_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1004 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1005 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1006 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1007 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1008 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1009 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1010 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1011 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1012 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1013
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1014 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1015 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1016 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1017 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1018
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1019 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1020 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1021 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1022 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1023 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1024 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1025 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1026 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1027 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1028 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1029 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1030 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1031 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1032 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1033 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1034 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1035 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1036 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1037 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1038 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1039 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1040 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1041 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1042 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1043 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1044 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1045 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1046 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1047 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1048 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1049 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1050 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1051 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1052 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1053 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1054 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1055 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1056 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1057 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1058 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1059 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1060 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1061 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1062 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1063 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1064 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1065 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1066 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1067 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1068 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1069 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1070 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1071 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1072 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1073 dstpixel = ((Uint32)dstA << 24) \| ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1074 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1075 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1076 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1077 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1078 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1079 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1080 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1081 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1082
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1083 static void SDL_Blit_RGB888_ARGB8888_Modulate(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1084 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1085 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1086 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1087 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1088 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1089 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1090 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1091 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1092
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1093 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1094 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1095 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1096 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1097 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1098 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1099 R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel; A = 0xFF;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1100 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1101 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1102 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1103 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1104 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1105 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1106 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1107 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1108 pixel = ((Uint32)A << 24) \| ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1109 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1110 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1111 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1112 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1113 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1114 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1115 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1116 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1117
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1118 static void SDL_Blit_RGB888_ARGB8888_Modulate_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1119 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1120 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1121 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1122 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1123 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1124 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1125 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1126 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1127 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1128 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1129 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1130
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1131 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1132 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1133 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1134 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1135
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1136 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1137 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1138 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1139 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1140 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1141 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1142 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1143 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1144 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1145 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1146 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1147 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1148 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1149 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1150 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1151 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1152 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1153 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1154 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1155 R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel; A = 0xFF;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1156 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1157 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1158 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1159 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1160 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1161 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1162 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1163 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1164 pixel = ((Uint32)A << 24) \| ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1165 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1166 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1167 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1168 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1169 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1170 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1171 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1172 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1173
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1174 static void SDL_Blit_RGB888_ARGB8888_Modulate_Blend(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1175 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1176 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1177 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1178 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1179 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1180 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1181 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1182 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1183 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1184 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1185
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1186 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1187 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1188 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1189 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1190 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1191 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1192 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1193 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1194 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1195 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1196 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1197 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1198 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1199 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1200 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1201 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1202 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1203 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1204 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1205 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1206 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1207 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1208 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1209 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1210 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1211 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1212 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1213 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1214 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1215 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1216 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1217 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1218 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1219 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1220 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1221 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1222 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1223 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1224 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1225 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1226 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1227 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1228 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1229 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1230 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1231 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1232 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1233 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1234 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1235 dstpixel = ((Uint32)dstA << 24) \| ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1236 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1237 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1238 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1239 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1240 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1241 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1242 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1243 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1244
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1245 static void SDL_Blit_RGB888_ARGB8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1246 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1247 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1248 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1249 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1250 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1251 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1252 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1253 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1254 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1255 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1256 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1257 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1258 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1259
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1260 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1261 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1262 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1263 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1264
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1265 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1266 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1267 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1268 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1269 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1270 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1271 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1272 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1273 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1274 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1275 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1276 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1277 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1278 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1279 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1280 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1281 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1282 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1283 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1284 srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = 0xFF;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1285 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1286 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1287 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1288 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1289 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1290 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1291 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1292 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1293 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1294 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1295 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1296 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1297 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1298 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1299 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1300 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1301 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1302 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1303 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1304 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1305 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1306 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1307 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1308 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1309 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1310 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1311 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1312 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1313 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1314 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1315 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1316 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1317 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1318 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1319 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1320 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1321 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1322 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1323 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1324 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1325 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1326 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1327 dstpixel = ((Uint32)dstA << 24) \| ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1328 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1329 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1330 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1331 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1332 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1333 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1334 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1335 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1336
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	1337 static void SDL_Blit_BGR888_RGB888_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1338 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1339 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1340 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1341 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1342 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1343 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1344 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1345
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1346 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1347 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1348 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1349 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1350
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1351 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1352 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1353 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1354 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1355 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1356 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1357 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1358 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1359 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1360 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1361 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1362 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1363 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1364 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1365 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1366 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1367 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1368 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1369 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1370 B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel; A = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1371 pixel = ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1372 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1373 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1374 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1375 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1376 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1377 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1378 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1379 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1380
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	1381 static void SDL_Blit_BGR888_RGB888_Blend(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1382 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1383 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1384 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1385 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1386 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1387 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1388
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1389 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1390 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1391 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1392 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1393 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1394 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1395 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1396 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1397 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1398 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1399 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1400 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1401 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1402 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1403 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1404 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1405 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1406 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1407 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1408 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1409 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1410 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1411 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1412 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1413 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1414 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1415 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1416 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1417 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1418 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1419 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1420 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1421 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1422 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1423 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1424 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1425 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1426 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1427 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1428 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1429 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1430 dstpixel = ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1431 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1432 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1433 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1434 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1435 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1436 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1437 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1438 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1439
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	1440 static void SDL_Blit_BGR888_RGB888_Blend_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1441 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1442 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1443 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1444 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1445 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1446 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1447 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1448 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1449 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1450
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1451 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1452 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1453 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1454 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1455
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1456 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1457 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1458 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1459 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1460 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1461 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1462 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1463 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1464 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1465 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1466 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1467 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1468 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1469 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1470 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1471 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1472 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1473 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1474 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1475 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1476 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1477 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1478 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1479 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1480 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1481 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1482 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1483 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1484 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1485 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1486 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1487 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1488 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1489 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1490 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1491 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1492 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1493 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1494 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1495 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1496 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1497 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1498 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1499 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1500 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1501 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1502 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1503 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1504 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1505 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1506 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1507 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1508 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1509 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1510 dstpixel = ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1511 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1512 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1513 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1514 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1515 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1516 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1517 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1518 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1519
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	1520 static void SDL_Blit_BGR888_RGB888_Modulate(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1521 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1522 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1523 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1524 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1525 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1526 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1527 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1528 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1529
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1530 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1531 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1532 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1533 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1534 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1535 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1536 B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel; A = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1537 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1538 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1539 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1540 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1541 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1542 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1543 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1544 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1545 pixel = ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1546 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1547 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1548 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1549 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1550 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1551 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1552 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1553 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1554
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	1555 static void SDL_Blit_BGR888_RGB888_Modulate_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1556 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1557 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1558 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1559 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1560 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1561 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1562 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1563 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1564 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1565 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1566 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1567
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1568 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1569 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1570 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1571 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1572
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1573 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1574 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1575 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1576 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1577 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1578 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1579 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1580 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1581 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1582 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1583 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1584 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1585 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1586 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1587 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1588 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1589 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1590 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1591 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1592 B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel; A = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1593 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1594 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1595 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1596 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1597 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1598 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1599 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1600 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1601 pixel = ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1602 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1603 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1604 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1605 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1606 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1607 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1608 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1609 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1610
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	1611 static void SDL_Blit_BGR888_RGB888_Modulate_Blend(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1612 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1613 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1614 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1615 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1616 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1617 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1618 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1619 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1620 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1621 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1622
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1623 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1624 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1625 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1626 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1627 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1628 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1629 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1630 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1631 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1632 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1633 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1634 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1635 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1636 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1637 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1638 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1639 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1640 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1641 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1642 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1643 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1644 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1645 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1646 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1647 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1648 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1649 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1650 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1651 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1652 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1653 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1654 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1655 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1656 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1657 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1658 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1659 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1660 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1661 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1662 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1663 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1664 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1665 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1666 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1667 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1668 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1669 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1670 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1671 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1672 dstpixel = ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1673 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1674 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1675 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1676 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1677 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1678 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1679 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1680 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1681
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	1682 static void SDL_Blit_BGR888_RGB888_Modulate_Blend_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1683 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1684 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1685 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1686 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1687 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1688 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1689 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1690 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1691 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1692 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1693 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1694 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1695 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1696
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1697 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1698 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1699 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1700 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1701
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1702 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1703 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1704 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1705 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1706 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1707 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1708 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1709 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1710 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1711 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1712 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1713 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1714 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1715 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1716 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1717 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1718 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1719 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1720 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1721 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1722 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1723 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1724 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1725 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1726 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1727 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1728 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1729 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1730 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1731 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1732 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1733 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1734 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1735 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1736 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1737 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1738 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1739 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1740 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1741 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1742 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1743 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1744 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1745 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1746 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1747 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1748 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1749 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1750 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1751 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1752 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1753 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1754 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1755 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1756 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1757 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1758 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1759 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1760 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1761 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1762 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1763 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1764 dstpixel = ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1765 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1766 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1767 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1768 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1769 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1770 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1771 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1772 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1773
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	1774 static void SDL_Blit_BGR888_BGR888_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1775 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1776 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1777 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1778 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1779 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1780
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1781 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1782 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1783 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1784 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1785
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1786 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1787 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1788 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1789 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1790 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1791 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1792 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1793 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1794 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1795 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1796 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1797 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1798 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1799 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1800 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1801 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1802 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1803 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1804 dst = src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1805 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1806 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1807 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1808 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1809 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1810 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1811 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1812
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	1813 static void SDL_Blit_BGR888_BGR888_Blend(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1814 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1815 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1816 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1817 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1818 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1819 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1820
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1821 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1822 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1823 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1824 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1825 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1826 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1827 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1828 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1829 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1830 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1831 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1832 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1833 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1834 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1835 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1836 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1837 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1838 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1839 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1840 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1841 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1842 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1843 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1844 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1845 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1846 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1847 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1848 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1849 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1850 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1851 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1852 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1853 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1854 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1855 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1856 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1857 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1858 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1859 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1860 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1861 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1862 dstpixel = ((Uint32)dstB << 16) \| ((Uint32)dstG << 8) \| dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1863 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1864 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1865 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1866 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1867 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1868 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1869 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1870 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1871
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	1872 static void SDL_Blit_BGR888_BGR888_Blend_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1873 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1874 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1875 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1876 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1877 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1878 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1879 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1880 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1881 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1882
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1883 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1884 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1885 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1886 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1887
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1888 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1889 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1890 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1891 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1892 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1893 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1894 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1895 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1896 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1897 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1898 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1899 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1900 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1901 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1902 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1903 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1904 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1905 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1906 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1907 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1908 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1909 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1910 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1911 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1912 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1913 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1914 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1915 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1916 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1917 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1918 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1919 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1920 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1921 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1922 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1923 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1924 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1925 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1926 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1927 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1928 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1929 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1930 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1931 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1932 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1933 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1934 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1935 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1936 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1937 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1938 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1939 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1940 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1941 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1942 dstpixel = ((Uint32)dstB << 16) \| ((Uint32)dstG << 8) \| dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1943 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1944 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1945 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1946 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1947 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1948 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1949 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1950 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1951
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	1952 static void SDL_Blit_BGR888_BGR888_Modulate(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1953 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1954 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1955 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1956 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1957 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1958 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1959 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1960 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1961
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1962 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1963 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1964 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1965 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1966 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1967 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1968 B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel; A = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1969 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1970 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1971 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1972 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1973 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1974 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1975 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1976 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1977 pixel = ((Uint32)B << 16) \| ((Uint32)G << 8) \| R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1978 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1979 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1980 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1981 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1982 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1983 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1984 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1985 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1986
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	1987 static void SDL_Blit_BGR888_BGR888_Modulate_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1988 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1989 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1990 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1991 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1992 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1993 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1994 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1995 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1996 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1997 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1998 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1999
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2000 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2001 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2002 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2003 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2004
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2005 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2006 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2007 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2008 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2009 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2010 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2011 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2012 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2013 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2014 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2015 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2016 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2017 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2018 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2019 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2020 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2021 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2022 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2023 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2024 B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel; A = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2025 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2026 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2027 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2028 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2029 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2030 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2031 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2032 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2033 pixel = ((Uint32)B << 16) \| ((Uint32)G << 8) \| R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2034 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2035 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2036 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2037 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2038 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2039 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2040 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2041 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2042
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	2043 static void SDL_Blit_BGR888_BGR888_Modulate_Blend(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2044 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2045 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2046 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2047 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2048 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2049 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2050 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2051 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2052 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2053 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2054
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2055 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2056 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2057 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2058 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2059 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2060 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2061 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2062 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2063 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2064 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2065 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2066 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2067 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2068 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2069 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2070 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2071 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2072 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2073 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2074 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2075 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2076 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2077 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2078 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2079 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2080 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2081 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2082 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2083 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2084 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2085 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2086 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2087 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2088 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2089 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2090 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2091 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2092 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2093 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2094 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2095 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2096 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2097 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2098 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2099 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2100 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2101 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2102 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2103 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2104 dstpixel = ((Uint32)dstB << 16) \| ((Uint32)dstG << 8) \| dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2105 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2106 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2107 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2108 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2109 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2110 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2111 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2112 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2113
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	2114 static void SDL_Blit_BGR888_BGR888_Modulate_Blend_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2115 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2116 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2117 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2118 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2119 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2120 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2121 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2122 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2123 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2124 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2125 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2126 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2127 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2128
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2129 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2130 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2131 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2132 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2133
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2134 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2135 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2136 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2137 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2138 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2139 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2140 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2141 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2142 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2143 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2144 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2145 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2146 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2147 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2148 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2149 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2150 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2151 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2152 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2153 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2154 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2155 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2156 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2157 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2158 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2159 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2160 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2161 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2162 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2163 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2164 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2165 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2166 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2167 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2168 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2169 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2170 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2171 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2172 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2173 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2174 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2175 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2176 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2177 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2178 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2179 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2180 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2181 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2182 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2183 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2184 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2185 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2186 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2187 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2188 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2189 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2190 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2191 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2192 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2193 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2194 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2195 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2196 dstpixel = ((Uint32)dstB << 16) \| ((Uint32)dstG << 8) \| dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2197 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2198 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2199 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2200 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2201 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2202 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2203 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2204 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2205
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2206 static void SDL_Blit_BGR888_ARGB8888_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2207 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2208 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2209 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2210 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2211 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2212 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2213 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2214
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2215 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2216 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2217 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2218 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2219
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2220 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2221 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2222 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2223 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2224 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2225 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2226 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2227 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2228 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2229 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2230 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2231 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2232 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2233 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2234 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2235 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2236 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2237 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2238 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2239 B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel; A = 0xFF;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2240 pixel = ((Uint32)A << 24) \| ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2241 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2242 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2243 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2244 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2245 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2246 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2247 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2248 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2249
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2250 static void SDL_Blit_BGR888_ARGB8888_Blend(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2251 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2252 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2253 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2254 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2255 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2256 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2257
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2258 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2259 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2260 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2261 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2262 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2263 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2264 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2265 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2266 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2267 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2268 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2269 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2270 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2271 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2272 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2273 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2274 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2275 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2276 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2277 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2278 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2279 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2280 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2281 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2282 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2283 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2284 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2285 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2286 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2287 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2288 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2289 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2290 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2291 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2292 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2293 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2294 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2295 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2296 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2297 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2298 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2299 dstpixel = ((Uint32)dstA << 24) \| ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2300 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2301 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2302 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2303 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2304 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2305 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2306 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2307 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2308
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2309 static void SDL_Blit_BGR888_ARGB8888_Blend_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2310 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2311 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2312 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2313 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2314 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2315 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2316 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2317 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2318 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2319
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2320 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2321 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2322 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2323 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2324
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2325 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2326 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2327 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2328 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2329 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2330 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2331 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2332 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2333 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2334 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2335 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2336 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2337 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2338 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2339 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2340 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2341 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2342 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2343 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2344 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2345 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2346 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2347 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2348 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2349 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2350 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2351 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2352 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2353 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2354 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2355 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2356 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2357 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2358 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2359 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2360 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2361 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2362 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2363 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2364 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2365 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2366 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2367 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2368 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2369 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2370 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2371 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2372 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2373 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2374 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2375 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2376 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2377 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2378 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2379 dstpixel = ((Uint32)dstA << 24) \| ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2380 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2381 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2382 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2383 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2384 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2385 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2386 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2387 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2388
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2389 static void SDL_Blit_BGR888_ARGB8888_Modulate(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2390 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2391 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2392 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2393 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2394 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2395 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2396 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2397 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2398
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2399 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2400 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2401 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2402 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2403 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2404 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2405 B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel; A = 0xFF;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2406 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2407 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2408 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2409 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2410 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2411 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2412 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2413 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2414 pixel = ((Uint32)A << 24) \| ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2415 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2416 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2417 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2418 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2419 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2420 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2421 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2422 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2423
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2424 static void SDL_Blit_BGR888_ARGB8888_Modulate_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2425 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2426 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2427 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2428 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2429 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2430 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2431 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2432 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2433 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2434 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2435 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2436
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2437 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2438 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2439 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2440 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2441
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2442 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2443 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2444 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2445 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2446 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2447 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2448 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2449 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2450 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2451 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2452 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2453 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2454 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2455 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2456 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2457 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2458 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2459 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2460 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2461 B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel; A = 0xFF;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2462 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2463 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2464 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2465 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2466 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2467 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2468 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2469 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2470 pixel = ((Uint32)A << 24) \| ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2471 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2472 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2473 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2474 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2475 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2476 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2477 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2478 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2479
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2480 static void SDL_Blit_BGR888_ARGB8888_Modulate_Blend(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2481 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2482 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2483 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2484 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2485 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2486 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2487 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2488 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2489 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2490 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2491
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2492 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2493 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2494 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2495 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2496 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2497 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2498 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2499 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2500 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2501 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2502 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2503 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2504 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2505 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2506 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2507 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2508 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2509 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2510 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2511 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2512 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2513 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2514 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2515 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2516 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2517 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2518 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2519 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2520 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2521 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2522 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2523 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2524 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2525 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2526 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2527 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2528 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2529 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2530 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2531 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2532 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2533 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2534 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2535 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2536 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2537 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2538 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2539 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2540 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2541 dstpixel = ((Uint32)dstA << 24) \| ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2542 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2543 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2544 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2545 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2546 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2547 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2548 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2549 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2550
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2551 static void SDL_Blit_BGR888_ARGB8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2552 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2553 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2554 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2555 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2556 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2557 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2558 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2559 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2560 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2561 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2562 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2563 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2564 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2565
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2566 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2567 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2568 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2569 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2570
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2571 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2572 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2573 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2574 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2575 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2576 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2577 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2578 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2579 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2580 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2581 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2582 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2583 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2584 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2585 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2586 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2587 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2588 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2589 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2590 srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = 0xFF;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2591 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2592 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2593 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2594 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2595 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2596 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2597 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2598 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2599 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2600 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2601 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2602 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2603 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2604 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2605 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2606 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2607 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2608 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2609 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2610 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2611 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2612 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2613 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2614 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2615 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2616 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2617 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2618 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2619 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2620 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2621 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2622 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2623 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2624 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2625 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2626 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2627 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2628 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2629 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2630 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2631 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2632 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2633 dstpixel = ((Uint32)dstA << 24) \| ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2634 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2635 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2636 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2637 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2638 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2639 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2640 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2641 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2642
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	2643 static void SDL_Blit_ARGB8888_RGB888_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2644 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2645 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2646 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2647 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2648 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2649 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2650 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2651
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2652 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2653 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2654 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2655 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2656
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2657 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2658 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2659 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2660 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2661 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2662 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2663 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2664 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2665 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2666 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2667 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2668 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2669 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2670 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2671 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2672 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2673 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2674 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2675 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2676 A = (Uint8)(pixel >> 24); R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2677 pixel = ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2678 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2679 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2680 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2681 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2682 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2683 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2684 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2685 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2686
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	2687 static void SDL_Blit_ARGB8888_RGB888_Blend(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2688 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2689 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2690 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2691 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2692 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2693 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2694
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2695 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2696 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2697 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2698 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2699 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2700 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2701 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2702 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2703 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2704 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2705 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2706 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2707 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2708 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2709 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2710 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2711 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2712 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2713 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2714 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2715 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2716 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2717 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2718 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2719 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2720 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2721 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2722 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2723 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2724 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2725 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2726 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2727 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2728 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2729 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2730 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2731 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2732 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2733 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2734 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2735 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2736 dstpixel = ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2737 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2738 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2739 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2740 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2741 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2742 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2743 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2744 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2745
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	2746 static void SDL_Blit_ARGB8888_RGB888_Blend_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2747 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2748 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2749 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2750 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2751 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2752 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2753 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2754 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2755 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2756
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2757 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2758 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2759 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2760 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2761
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2762 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2763 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2764 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2765 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2766 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2767 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2768 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2769 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2770 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2771 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2772 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2773 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2774 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2775 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2776 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2777 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2778 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2779 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2780 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2781 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2782 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2783 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2784 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2785 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2786 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2787 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2788 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2789 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2790 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2791 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2792 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2793 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2794 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2795 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2796 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2797 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2798 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2799 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2800 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2801 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2802 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2803 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2804 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2805 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2806 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2807 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2808 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2809 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2810 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2811 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2812 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2813 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2814 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2815 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2816 dstpixel = ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2817 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2818 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2819 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2820 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2821 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2822 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2823 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2824 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2825
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	2826 static void SDL_Blit_ARGB8888_RGB888_Modulate(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2827 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2828 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2829 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2830 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2831 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2832 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2833 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2834 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2835
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2836 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2837 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2838 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2839 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2840 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2841 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2842 A = (Uint8)(pixel >> 24); R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2843 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2844 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2845 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2846 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2847 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2848 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2849 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2850 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2851 pixel = ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2852 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2853 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2854 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2855 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2856 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2857 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2858 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2859 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2860
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	2861 static void SDL_Blit_ARGB8888_RGB888_Modulate_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2862 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2863 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2864 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2865 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2866 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2867 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2868 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2869 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2870 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2871 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2872 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2873
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2874 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2875 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2876 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2877 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2878
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2879 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2880 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2881 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2882 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2883 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2884 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2885 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2886 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2887 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2888 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2889 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2890 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2891 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2892 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2893 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2894 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2895 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2896 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2897 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2898 A = (Uint8)(pixel >> 24); R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2899 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2900 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2901 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2902 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2903 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2904 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2905 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2906 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2907 pixel = ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2908 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2909 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2910 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2911 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2912 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2913 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2914 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2915 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2916
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	2917 static void SDL_Blit_ARGB8888_RGB888_Modulate_Blend(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2918 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2919 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2920 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2921 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2922 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2923 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2924 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2925 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2926 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2927 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2928
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2929 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2930 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2931 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2932 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2933 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2934 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2935 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2936 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2937 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2938 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2939 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2940 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2941 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2942 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2943 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2944 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2945 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2946 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2947 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2948 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2949 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2950 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2951 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2952 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2953 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2954 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2955 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2956 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2957 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2958 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2959 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2960 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2961 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2962 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2963 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2964 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2965 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2966 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2967 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2968 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2969 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2970 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2971 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2972 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2973 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2974 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2975 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2976 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2977 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2978 dstpixel = ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2979 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2980 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2981 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2982 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2983 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2984 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2985 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2986 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2987
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	2988 static void SDL_Blit_ARGB8888_RGB888_Modulate_Blend_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2989 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2990 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2991 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2992 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2993 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2994 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2995 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2996 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2997 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2998 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2999 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3000 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3001 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3002
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3003 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3004 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3005 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3006 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3007
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3008 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3009 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3010 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3011 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3012 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3013 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3014 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3015 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3016 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3017 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3018 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3019 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3020 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3021 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3022 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3023 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3024 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3025 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3026 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3027 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3028 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3029 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3030 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3031 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3032 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3033 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3034 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3035 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3036 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3037 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3038 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3039 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3040 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3041 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3042 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3043 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3044 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3045 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3046 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3047 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3048 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3049 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3050 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3051 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3052 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3053 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3054 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3055 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3056 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3057 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3058 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3059 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3060 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3061 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3062 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3063 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3064 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3065 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3066 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3067 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3068 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3069 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3070 dstpixel = ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3071 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3072 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3073 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3074 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3075 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3076 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3077 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3078 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3079
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	3080 static void SDL_Blit_ARGB8888_BGR888_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3081 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3082 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3083 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3084 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3085 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3086 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3087 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3088
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3089 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3090 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3091 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3092 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3093
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3094 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3095 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3096 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3097 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3098 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3099 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3100 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3101 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3102 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3103 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3104 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3105 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3106 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3107 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3108 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3109 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3110 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3111 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3112 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3113 A = (Uint8)(pixel >> 24); R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3114 pixel = ((Uint32)B << 16) \| ((Uint32)G << 8) \| R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3115 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3116 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3117 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3118 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3119 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3120 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3121 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3122 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3123
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	3124 static void SDL_Blit_ARGB8888_BGR888_Blend(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3125 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3126 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3127 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3128 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3129 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3130 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3131
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3132 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3133 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3134 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3135 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3136 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3137 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3138 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3139 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3140 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3141 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3142 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3143 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3144 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3145 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3146 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3147 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3148 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3149 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3150 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3151 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3152 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3153 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3154 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3155 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3156 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3157 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3158 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3159 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3160 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3161 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3162 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3163 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3164 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3165 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3166 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3167 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3168 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3169 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3170 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3171 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3172 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3173 dstpixel = ((Uint32)dstB << 16) \| ((Uint32)dstG << 8) \| dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3174 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3175 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3176 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3177 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3178 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3179 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3180 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3181 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3182
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	3183 static void SDL_Blit_ARGB8888_BGR888_Blend_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3184 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3185 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3186 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3187 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3188 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3189 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3190 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3191 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3192 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3193
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3194 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3195 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3196 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3197 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3198
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3199 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3200 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3201 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3202 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3203 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3204 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3205 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3206 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3207 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3208 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3209 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3210 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3211 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3212 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3213 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3214 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3215 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3216 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3217 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3218 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3219 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3220 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3221 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3222 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3223 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3224 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3225 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3226 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3227 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3228 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3229 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3230 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3231 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3232 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3233 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3234 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3235 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3236 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3237 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3238 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3239 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3240 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3241 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3242 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3243 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3244 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3245 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3246 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3247 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3248 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3249 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3250 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3251 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3252 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3253 dstpixel = ((Uint32)dstB << 16) \| ((Uint32)dstG << 8) \| dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3254 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3255 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3256 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3257 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3258 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3259 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3260 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3261 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3262
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	3263 static void SDL_Blit_ARGB8888_BGR888_Modulate(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3264 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3265 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3266 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3267 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3268 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3269 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3270 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3271 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3272
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3273 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3274 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3275 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3276 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3277 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3278 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3279 A = (Uint8)(pixel >> 24); R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3280 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3281 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3282 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3283 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3284 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3285 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3286 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3287 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3288 pixel = ((Uint32)B << 16) \| ((Uint32)G << 8) \| R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3289 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3290 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3291 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3292 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3293 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3294 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3295 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3296 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3297
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	3298 static void SDL_Blit_ARGB8888_BGR888_Modulate_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3299 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3300 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3301 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3302 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3303 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3304 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3305 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3306 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3307 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3308 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3309 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3310
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3311 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3312 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3313 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3314 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3315
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3316 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3317 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3318 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3319 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3320 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3321 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3322 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3323 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3324 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3325 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3326 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3327 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3328 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3329 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3330 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3331 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3332 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3333 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3334 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3335 A = (Uint8)(pixel >> 24); R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3336 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3337 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3338 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3339 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3340 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3341 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3342 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3343 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3344 pixel = ((Uint32)B << 16) \| ((Uint32)G << 8) \| R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3345 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3346 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3347 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3348 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3349 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3350 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3351 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3352 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3353
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	3354 static void SDL_Blit_ARGB8888_BGR888_Modulate_Blend(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3355 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3356 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3357 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3358 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3359 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3360 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3361 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3362 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3363 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3364 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3365
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3366 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3367 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3368 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3369 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3370 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3371 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3372 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3373 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3374 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3375 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3376 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3377 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3378 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3379 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3380 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3381 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3382 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3383 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3384 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3385 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3386 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3387 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3388 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3389 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3390 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3391 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3392 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3393 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3394 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3395 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3396 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3397 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3398 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3399 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3400 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3401 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3402 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3403 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3404 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3405 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3406 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3407 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3408 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3409 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3410 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3411 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3412 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3413 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3414 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3415 dstpixel = ((Uint32)dstB << 16) \| ((Uint32)dstG << 8) \| dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3416 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3417 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3418 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3419 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3420 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3421 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3422 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3423 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3424
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	3425 static void SDL_Blit_ARGB8888_BGR888_Modulate_Blend_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3426 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3427 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3428 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3429 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3430 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3431 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3432 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3433 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3434 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3435 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3436 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3437 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3438 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3439
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3440 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3441 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3442 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3443 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3444
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3445 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3446 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3447 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3448 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3449 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3450 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3451 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3452 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3453 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3454 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3455 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3456 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3457 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3458 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3459 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3460 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3461 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3462 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3463 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3464 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3465 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3466 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3467 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3468 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3469 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3470 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3471 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3472 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3473 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3474 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3475 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3476 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3477 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3478 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3479 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3480 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3481 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3482 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3483 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3484 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3485 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3486 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3487 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3488 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3489 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3490 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3491 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3492 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3493 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3494 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3495 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3496 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3497 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3498 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3499 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3500 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3501 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3502 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3503 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3504 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3505 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3506 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3507 dstpixel = ((Uint32)dstB << 16) \| ((Uint32)dstG << 8) \| dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3508 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3509 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3510 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3511 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3512 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3513 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3514 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3515 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3516
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3517 static void SDL_Blit_ARGB8888_ARGB8888_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3518 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3519 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3520 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3521 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3522 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3523
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3524 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3525 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3526 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3527 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3528
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3529 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3530 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3531 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3532 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3533 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3534 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3535 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3536 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3537 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3538 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3539 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3540 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3541 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3542 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3543 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3544 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3545 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3546 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3547 dst = src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3548 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3549 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3550 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3551 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3552 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3553 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3554 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3555
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3556 static void SDL_Blit_ARGB8888_ARGB8888_Blend(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3557 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3558 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3559 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3560 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3561 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3562 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3563
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3564 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3565 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3566 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3567 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3568 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3569 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3570 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3571 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3572 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3573 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3574 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3575 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3576 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3577 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3578 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3579 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3580 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3581 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3582 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3583 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3584 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3585 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3586 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3587 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3588 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3589 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3590 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3591 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3592 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3593 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3594 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3595 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3596 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3597 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3598 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3599 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3600 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3601 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3602 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3603 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3604 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3605 dstpixel = ((Uint32)dstA << 24) \| ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3606 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3607 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3608 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3609 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3610 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3611 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3612 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3613 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3614
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3615 static void SDL_Blit_ARGB8888_ARGB8888_Blend_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3616 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3617 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3618 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3619 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3620 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3621 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3622 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3623 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3624 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3625
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3626 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3627 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3628 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3629 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3630
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3631 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3632 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3633 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3634 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3635 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3636 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3637 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3638 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3639 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3640 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3641 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3642 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3643 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3644 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3645 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3646 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3647 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3648 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3649 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3650 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3651 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3652 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3653 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3654 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3655 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3656 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3657 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3658 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3659 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3660 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3661 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3662 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3663 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3664 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3665 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3666 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3667 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3668 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3669 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3670 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3671 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3672 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3673 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3674 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3675 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3676 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3677 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3678 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3679 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3680 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3681 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3682 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3683 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3684 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3685 dstpixel = ((Uint32)dstA << 24) \| ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3686 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3687 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3688 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3689 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3690 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3691 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3692 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3693 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3694
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3695 static void SDL_Blit_ARGB8888_ARGB8888_Modulate(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3696 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3697 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3698 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3699 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3700 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3701 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3702 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3703 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3704
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3705 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3706 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3707 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3708 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3709 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3710 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3711 A = (Uint8)(pixel >> 24); R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3712 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3713 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3714 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3715 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3716 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3717 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3718 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3719 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3720 pixel = ((Uint32)A << 24) \| ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3721 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3722 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3723 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3724 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3725 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3726 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3727 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3728 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3729
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3730 static void SDL_Blit_ARGB8888_ARGB8888_Modulate_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3731 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3732 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3733 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3734 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3735 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3736 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3737 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3738 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3739 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3740 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3741 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3742
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3743 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3744 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3745 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3746 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3747
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3748 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3749 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3750 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3751 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3752 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3753 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3754 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3755 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3756 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3757 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3758 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3759 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3760 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3761 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3762 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3763 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3764 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3765 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3766 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3767 A = (Uint8)(pixel >> 24); R = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); B = (Uint8)pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3768 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3769 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3770 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3771 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3772 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3773 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3774 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3775 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3776 pixel = ((Uint32)A << 24) \| ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3777 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3778 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3779 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3780 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3781 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3782 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3783 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3784 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3785
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3786 static void SDL_Blit_ARGB8888_ARGB8888_Modulate_Blend(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3787 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3788 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3789 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3790 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3791 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3792 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3793 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3794 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3795 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3796 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3797
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3798 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3799 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3800 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3801 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3802 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3803 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3804 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3805 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3806 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3807 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3808 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3809 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3810 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3811 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3812 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3813 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3814 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3815 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3816 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3817 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3818 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3819 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3820 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3821 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3822 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3823 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3824 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3825 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3826 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3827 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3828 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3829 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3830 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3831 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3832 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3833 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3834 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3835 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3836 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3837 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3838 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3839 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3840 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3841 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3842 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3843 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3844 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3845 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3846 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3847 dstpixel = ((Uint32)dstA << 24) \| ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3848 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3849 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3850 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3851 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3852 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3853 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3854 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3855 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3856
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3857 static void SDL_Blit_ARGB8888_ARGB8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3858 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3859 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3860 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3861 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3862 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3863 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3864 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3865 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3866 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3867 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3868 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3869 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3870 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3871
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3872 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3873 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3874 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3875 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3876
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3877 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3878 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3879 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3880 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3881 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3882 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3883 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3884 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3885 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3886 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3887 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3888 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3889 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3890 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3891 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3892 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3893 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3894 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3895 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3896 srcA = (Uint8)(srcpixel >> 24); srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3897 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3898 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3899 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3900 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3901 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3902 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3903 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3904 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3905 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3906 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3907 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3908 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3909 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3910 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3911 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3912 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3913 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3914 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3915 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3916 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3917 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3918 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3919 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3920 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3921 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3922 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3923 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3924 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3925 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3926 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3927 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3928 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3929 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3930 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3931 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3932 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3933 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3934 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3935 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3936 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3937 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3938 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3939 dstpixel = ((Uint32)dstA << 24) \| ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3940 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3941 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3942 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3943 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3944 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3945 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3946 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3947 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3948
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	3949 static void SDL_Blit_RGBA8888_RGB888_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3950 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3951 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3952 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3953 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3954 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3955 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3956 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3957
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3958 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3959 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3960 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3961 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3962
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3963 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3964 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3965 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3966 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3967 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3968 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3969 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3970 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3971 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3972 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3973 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3974 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3975 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3976 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3977 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3978 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3979 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3980 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3981 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3982 R = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); B = (Uint8)(pixel >> 8); A = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3983 pixel = ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3984 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3985 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3986 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3987 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3988 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3989 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3990 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3991 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3992
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	3993 static void SDL_Blit_RGBA8888_RGB888_Blend(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3994 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3995 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3996 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3997 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3998 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3999 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4000
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4001 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4002 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4003 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4004 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4005 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4006 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4007 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4008 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4009 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4010 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4011 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4012 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4013 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4014 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4015 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4016 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4017 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4018 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4019 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4020 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4021 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4022 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4023 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4024 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4025 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4026 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4027 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4028 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4029 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4030 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4031 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4032 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4033 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4034 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4035 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4036 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4037 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4038 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4039 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4040 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4041 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4042 dstpixel = ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4043 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4044 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4045 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4046 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4047 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4048 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4049 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4050 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4051
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	4052 static void SDL_Blit_RGBA8888_RGB888_Blend_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4053 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4054 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4055 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4056 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4057 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4058 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4059 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4060 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4061 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4062
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4063 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4064 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4065 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4066 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4067
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4068 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4069 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4070 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4071 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4072 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4073 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4074 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4075 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4076 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4077 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4078 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4079 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4080 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4081 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4082 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4083 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4084 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4085 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4086 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4087 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4088 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4089 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4090 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4091 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4092 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4093 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4094 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4095 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4096 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4097 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4098 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4099 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4100 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4101 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4102 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4103 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4104 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4105 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4106 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4107 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4108 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4109 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4110 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4111 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4112 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4113 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4114 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4115 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4116 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4117 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4118 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4119 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4120 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4121 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4122 dstpixel = ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4123 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4124 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4125 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4126 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4127 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4128 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4129 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4130 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4131
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	4132 static void SDL_Blit_RGBA8888_RGB888_Modulate(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4133 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4134 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4135 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4136 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4137 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4138 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4139 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4140 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4141
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4142 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4143 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4144 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4145 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4146 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4147 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4148 R = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); B = (Uint8)(pixel >> 8); A = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4149 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4150 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4151 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4152 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4153 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4154 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4155 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4156 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4157 pixel = ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4158 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4159 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4160 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4161 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4162 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4163 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4164 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4165 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4166
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	4167 static void SDL_Blit_RGBA8888_RGB888_Modulate_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4168 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4169 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4170 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4171 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4172 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4173 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4174 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4175 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4176 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4177 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4178 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4179
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4180 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4181 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4182 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4183 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4184
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4185 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4186 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4187 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4188 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4189 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4190 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4191 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4192 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4193 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4194 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4195 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4196 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4197 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4198 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4199 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4200 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4201 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4202 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4203 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4204 R = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); B = (Uint8)(pixel >> 8); A = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4205 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4206 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4207 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4208 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4209 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4210 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4211 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4212 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4213 pixel = ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4214 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4215 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4216 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4217 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4218 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4219 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4220 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4221 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4222
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	4223 static void SDL_Blit_RGBA8888_RGB888_Modulate_Blend(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4224 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4225 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4226 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4227 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4228 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4229 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4230 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4231 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4232 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4233 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4234
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4235 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4236 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4237 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4238 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4239 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4240 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4241 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4242 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4243 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4244 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4245 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4246 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4247 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4248 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4249 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4250 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4251 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4252 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4253 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4254 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4255 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4256 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4257 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4258 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4259 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4260 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4261 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4262 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4263 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4264 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4265 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4266 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4267 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4268 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4269 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4270 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4271 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4272 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4273 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4274 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4275 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4276 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4277 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4278 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4279 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4280 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4281 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4282 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4283 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4284 dstpixel = ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4285 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4286 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4287 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4288 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4289 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4290 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4291 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4292 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4293
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	4294 static void SDL_Blit_RGBA8888_RGB888_Modulate_Blend_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4295 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4296 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4297 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4298 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4299 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4300 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4301 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4302 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4303 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4304 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4305 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4306 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4307 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4308
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4309 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4310 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4311 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4312 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4313
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4314 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4315 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4316 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4317 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4318 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4319 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4320 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4321 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4322 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4323 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4324 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4325 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4326 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4327 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4328 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4329 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4330 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4331 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4332 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4333 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4334 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4335 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4336 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4337 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4338 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4339 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4340 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4341 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4342 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4343 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4344 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4345 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4346 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4347 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4348 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4349 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4350 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4351 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4352 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4353 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4354 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4355 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4356 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4357 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4358 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4359 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4360 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4361 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4362 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4363 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4364 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4365 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4366 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4367 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4368 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4369 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4370 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4371 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4372 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4373 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4374 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4375 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4376 dstpixel = ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4377 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4378 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4379 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4380 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4381 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4382 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4383 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4384 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4385
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	4386 static void SDL_Blit_RGBA8888_BGR888_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4387 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4388 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4389 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4390 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4391 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4392 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4393 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4394
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4395 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4396 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4397 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4398 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4399
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4400 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4401 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4402 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4403 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4404 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4405 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4406 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4407 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4408 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4409 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4410 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4411 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4412 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4413 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4414 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4415 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4416 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4417 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4418 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4419 R = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); B = (Uint8)(pixel >> 8); A = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4420 pixel = ((Uint32)B << 16) \| ((Uint32)G << 8) \| R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4421 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4422 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4423 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4424 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4425 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4426 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4427 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4428 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4429
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	4430 static void SDL_Blit_RGBA8888_BGR888_Blend(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4431 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4432 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4433 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4434 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4435 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4436 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4437
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4438 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4439 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4440 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4441 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4442 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4443 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4444 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4445 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4446 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4447 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4448 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4449 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4450 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4451 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4452 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4453 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4454 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4455 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4456 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4457 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4458 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4459 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4460 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4461 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4462 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4463 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4464 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4465 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4466 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4467 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4468 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4469 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4470 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4471 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4472 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4473 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4474 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4475 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4476 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4477 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4478 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4479 dstpixel = ((Uint32)dstB << 16) \| ((Uint32)dstG << 8) \| dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4480 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4481 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4482 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4483 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4484 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4485 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4486 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4487 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4488
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	4489 static void SDL_Blit_RGBA8888_BGR888_Blend_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4490 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4491 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4492 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4493 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4494 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4495 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4496 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4497 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4498 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4499
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4500 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4501 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4502 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4503 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4504
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4505 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4506 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4507 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4508 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4509 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4510 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4511 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4512 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4513 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4514 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4515 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4516 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4517 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4518 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4519 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4520 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4521 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4522 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4523 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4524 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4525 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4526 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4527 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4528 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4529 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4530 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4531 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4532 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4533 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4534 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4535 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4536 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4537 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4538 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4539 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4540 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4541 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4542 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4543 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4544 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4545 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4546 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4547 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4548 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4549 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4550 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4551 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4552 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4553 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4554 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4555 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4556 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4557 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4558 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4559 dstpixel = ((Uint32)dstB << 16) \| ((Uint32)dstG << 8) \| dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4560 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4561 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4562 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4563 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4564 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4565 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4566 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4567 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4568
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	4569 static void SDL_Blit_RGBA8888_BGR888_Modulate(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4570 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4571 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4572 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4573 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4574 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4575 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4576 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4577 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4578
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4579 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4580 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4581 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4582 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4583 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4584 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4585 R = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); B = (Uint8)(pixel >> 8); A = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4586 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4587 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4588 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4589 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4590 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4591 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4592 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4593 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4594 pixel = ((Uint32)B << 16) \| ((Uint32)G << 8) \| R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4595 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4596 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4597 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4598 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4599 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4600 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4601 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4602 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4603
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	4604 static void SDL_Blit_RGBA8888_BGR888_Modulate_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4605 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4606 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4607 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4608 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4609 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4610 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4611 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4612 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4613 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4614 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4615 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4616
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4617 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4618 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4619 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4620 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4621
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4622 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4623 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4624 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4625 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4626 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4627 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4628 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4629 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4630 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4631 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4632 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4633 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4634 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4635 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4636 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4637 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4638 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4639 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4640 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4641 R = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); B = (Uint8)(pixel >> 8); A = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4642 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4643 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4644 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4645 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4646 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4647 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4648 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4649 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4650 pixel = ((Uint32)B << 16) \| ((Uint32)G << 8) \| R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4651 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4652 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4653 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4654 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4655 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4656 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4657 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4658 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4659
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	4660 static void SDL_Blit_RGBA8888_BGR888_Modulate_Blend(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4661 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4662 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4663 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4664 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4665 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4666 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4667 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4668 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4669 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4670 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4671
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4672 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4673 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4674 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4675 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4676 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4677 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4678 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4679 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4680 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4681 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4682 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4683 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4684 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4685 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4686 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4687 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4688 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4689 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4690 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4691 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4692 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4693 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4694 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4695 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4696 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4697 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4698 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4699 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4700 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4701 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4702 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4703 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4704 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4705 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4706 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4707 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4708 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4709 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4710 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4711 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4712 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4713 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4714 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4715 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4716 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4717 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4718 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4719 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4720 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4721 dstpixel = ((Uint32)dstB << 16) \| ((Uint32)dstG << 8) \| dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4722 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4723 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4724 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4725 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4726 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4727 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4728 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4729 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4730
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	4731 static void SDL_Blit_RGBA8888_BGR888_Modulate_Blend_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4732 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4733 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4734 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4735 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4736 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4737 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4738 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4739 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4740 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4741 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4742 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4743 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4744 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4745
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4746 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4747 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4748 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4749 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4750
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4751 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4752 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4753 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4754 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4755 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4756 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4757 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4758 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4759 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4760 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4761 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4762 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4763 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4764 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4765 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4766 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4767 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4768 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4769 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4770 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4771 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4772 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4773 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4774 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4775 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4776 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4777 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4778 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4779 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4780 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4781 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4782 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4783 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4784 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4785 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4786 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4787 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4788 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4789 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4790 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4791 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4792 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4793 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4794 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4795 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4796 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4797 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4798 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4799 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4800 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4801 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4802 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4803 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4804 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4805 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4806 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4807 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4808 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4809 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4810 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4811 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4812 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4813 dstpixel = ((Uint32)dstB << 16) \| ((Uint32)dstG << 8) \| dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4814 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4815 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4816 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4817 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4818 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4819 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4820 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4821 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4822
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4823 static void SDL_Blit_RGBA8888_ARGB8888_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4824 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4825 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4826 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4827 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4828 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4829 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4830 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4831
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4832 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4833 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4834 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4835 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4836
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4837 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4838 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4839 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4840 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4841 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4842 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4843 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4844 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4845 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4846 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4847 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4848 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4849 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4850 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4851 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4852 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4853 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4854 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4855 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4856 R = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); B = (Uint8)(pixel >> 8); A = (Uint8)pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4857 pixel = ((Uint32)A << 24) \| ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4858 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4859 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4860 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4861 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4862 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4863 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4864 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4865 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4866
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4867 static void SDL_Blit_RGBA8888_ARGB8888_Blend(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4868 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4869 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4870 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4871 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4872 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4873 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4874
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4875 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4876 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4877 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4878 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4879 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4880 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4881 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4882 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4883 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4884 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4885 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4886 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4887 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4888 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4889 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4890 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4891 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4892 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4893 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4894 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4895 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4896 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4897 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4898 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4899 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4900 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4901 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4902 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4903 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4904 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4905 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4906 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4907 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4908 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4909 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4910 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4911 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4912 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4913 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4914 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4915 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4916 dstpixel = ((Uint32)dstA << 24) \| ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4917 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4918 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4919 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4920 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4921 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4922 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4923 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4924 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4925
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4926 static void SDL_Blit_RGBA8888_ARGB8888_Blend_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4927 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4928 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4929 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4930 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4931 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4932 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4933 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4934 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4935 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4936
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4937 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4938 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4939 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4940 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4941
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4942 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4943 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4944 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4945 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4946 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4947 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4948 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4949 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4950 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4951 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4952 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4953 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4954 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4955 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4956 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4957 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4958 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4959 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4960 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4961 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4962 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4963 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4964 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4965 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4966 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4967 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4968 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4969 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4970 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4971 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4972 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4973 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4974 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4975 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4976 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4977 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4978 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4979 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4980 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4981 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4982 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4983 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4984 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4985 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4986 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4987 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4988 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4989 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4990 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4991 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4992 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4993 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4994 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4995 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4996 dstpixel = ((Uint32)dstA << 24) \| ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4997 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4998 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4999 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5000 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5001 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5002 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5003 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5004 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5005
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5006 static void SDL_Blit_RGBA8888_ARGB8888_Modulate(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5007 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5008 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5009 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5010 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5011 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5012 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5013 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5014 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5015
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5016 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5017 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5018 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5019 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5020 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5021 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5022 R = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); B = (Uint8)(pixel >> 8); A = (Uint8)pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5023 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5024 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5025 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5026 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5027 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5028 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5029 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5030 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5031 pixel = ((Uint32)A << 24) \| ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5032 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5033 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5034 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5035 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5036 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5037 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5038 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5039 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5040
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5041 static void SDL_Blit_RGBA8888_ARGB8888_Modulate_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5042 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5043 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5044 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5045 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5046 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5047 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5048 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5049 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5050 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5051 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5052 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5053
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5054 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5055 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5056 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5057 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5058
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5059 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5060 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5061 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5062 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5063 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5064 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5065 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5066 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5067 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5068 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5069 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5070 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5071 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5072 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5073 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5074 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5075 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5076 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5077 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5078 R = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); B = (Uint8)(pixel >> 8); A = (Uint8)pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5079 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5080 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5081 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5082 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5083 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5084 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5085 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5086 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5087 pixel = ((Uint32)A << 24) \| ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5088 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5089 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5090 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5091 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5092 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5093 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5094 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5095 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5096
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5097 static void SDL_Blit_RGBA8888_ARGB8888_Modulate_Blend(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5098 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5099 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5100 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5101 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5102 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5103 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5104 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5105 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5106 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5107 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5108
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5109 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5110 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5111 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5112 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5113 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5114 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5115 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5116 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5117 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5118 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5119 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5120 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5121 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5122 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5123 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5124 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5125 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5126 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5127 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5128 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5129 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5130 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5131 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5132 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5133 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5134 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5135 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5136 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5137 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5138 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5139 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5140 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5141 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5142 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5143 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5144 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5145 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5146 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5147 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5148 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5149 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5150 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5151 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5152 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5153 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5154 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5155 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5156 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5157 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5158 dstpixel = ((Uint32)dstA << 24) \| ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5159 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5160 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5161 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5162 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5163 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5164 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5165 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5166 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5167
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5168 static void SDL_Blit_RGBA8888_ARGB8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5169 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5170 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5171 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5172 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5173 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5174 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5175 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5176 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5177 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5178 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5179 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5180 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5181 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5182
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5183 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5184 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5185 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5186 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5187
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5188 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5189 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5190 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5191 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5192 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5193 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5194 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5195 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5196 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5197 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5198 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5199 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5200 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5201 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5202 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5203 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5204 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5205 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5206 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5207 srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5208 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5209 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5210 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5211 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5212 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5213 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5214 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5215 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5216 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5217 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5218 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5219 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5220 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5221 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5222 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5223 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5224 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5225 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5226 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5227 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5228 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5229 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5230 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5231 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5232 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5233 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5234 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5235 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5236 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5237 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5238 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5239 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5240 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5241 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5242 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5243 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5244 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5245 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5246 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5247 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5248 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5249 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5250 dstpixel = ((Uint32)dstA << 24) \| ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5251 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5252 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5253 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5254 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5255 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5256 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5257 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5258 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5259
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	5260 static void SDL_Blit_ABGR8888_RGB888_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5261 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5262 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5263 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5264 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5265 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5266 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5267 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5268
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5269 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5270 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5271 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5272 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5273
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5274 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5275 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5276 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5277 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5278 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5279 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5280 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5281 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5282 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5283 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5284 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5285 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5286 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5287 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5288 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5289 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5290 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5291 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5292 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5293 A = (Uint8)(pixel >> 24); B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5294 pixel = ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5295 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5296 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5297 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5298 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5299 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5300 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5301 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5302 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5303
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	5304 static void SDL_Blit_ABGR8888_RGB888_Blend(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5305 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5306 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5307 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5308 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5309 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5310 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5311
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5312 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5313 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5314 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5315 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5316 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5317 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5318 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5319 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5320 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5321 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5322 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5323 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5324 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5325 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5326 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5327 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5328 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5329 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5330 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5331 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5332 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5333 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5334 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5335 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5336 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5337 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5338 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5339 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5340 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5341 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5342 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5343 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5344 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5345 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5346 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5347 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5348 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5349 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5350 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5351 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5352 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5353 dstpixel = ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5354 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5355 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5356 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5357 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5358 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5359 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5360 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5361 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5362
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	5363 static void SDL_Blit_ABGR8888_RGB888_Blend_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5364 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5365 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5366 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5367 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5368 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5369 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5370 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5371 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5372 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5373
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5374 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5375 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5376 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5377 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5378
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5379 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5380 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5381 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5382 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5383 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5384 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5385 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5386 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5387 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5388 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5389 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5390 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5391 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5392 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5393 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5394 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5395 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5396 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5397 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5398 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5399 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5400 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5401 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5402 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5403 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5404 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5405 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5406 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5407 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5408 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5409 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5410 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5411 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5412 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5413 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5414 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5415 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5416 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5417 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5418 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5419 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5420 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5421 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5422 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5423 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5424 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5425 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5426 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5427 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5428 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5429 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5430 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5431 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5432 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5433 dstpixel = ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5434 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5435 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5436 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5437 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5438 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5439 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5440 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5441 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5442
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	5443 static void SDL_Blit_ABGR8888_RGB888_Modulate(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5444 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5445 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5446 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5447 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5448 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5449 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5450 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5451 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5452
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5453 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5454 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5455 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5456 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5457 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5458 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5459 A = (Uint8)(pixel >> 24); B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5460 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5461 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5462 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5463 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5464 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5465 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5466 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5467 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5468 pixel = ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5469 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5470 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5471 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5472 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5473 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5474 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5475 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5476 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5477
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	5478 static void SDL_Blit_ABGR8888_RGB888_Modulate_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5479 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5480 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5481 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5482 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5483 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5484 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5485 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5486 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5487 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5488 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5489 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5490
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5491 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5492 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5493 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5494 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5495
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5496 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5497 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5498 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5499 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5500 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5501 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5502 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5503 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5504 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5505 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5506 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5507 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5508 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5509 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5510 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5511 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5512 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5513 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5514 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5515 A = (Uint8)(pixel >> 24); B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5516 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5517 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5518 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5519 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5520 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5521 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5522 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5523 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5524 pixel = ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5525 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5526 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5527 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5528 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5529 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5530 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5531 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5532 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5533
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	5534 static void SDL_Blit_ABGR8888_RGB888_Modulate_Blend(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5535 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5536 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5537 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5538 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5539 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5540 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5541 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5542 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5543 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5544 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5545
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5546 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5547 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5548 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5549 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5550 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5551 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5552 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5553 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5554 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5555 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5556 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5557 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5558 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5559 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5560 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5561 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5562 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5563 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5564 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5565 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5566 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5567 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5568 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5569 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5570 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5571 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5572 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5573 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5574 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5575 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5576 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5577 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5578 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5579 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5580 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5581 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5582 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5583 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5584 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5585 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5586 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5587 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5588 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5589 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5590 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5591 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5592 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5593 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5594 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5595 dstpixel = ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5596 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5597 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5598 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5599 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5600 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5601 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5602 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5603 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5604
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	5605 static void SDL_Blit_ABGR8888_RGB888_Modulate_Blend_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5606 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5607 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5608 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5609 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5610 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5611 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5612 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5613 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5614 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5615 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5616 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5617 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5618 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5619
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5620 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5621 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5622 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5623 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5624
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5625 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5626 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5627 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5628 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5629 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5630 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5631 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5632 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5633 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5634 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5635 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5636 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5637 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5638 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5639 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5640 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5641 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5642 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5643 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5644 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5645 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5646 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5647 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5648 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5649 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5650 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5651 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5652 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5653 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5654 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5655 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5656 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5657 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5658 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5659 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5660 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5661 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5662 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5663 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5664 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5665 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5666 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5667 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5668 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5669 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5670 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5671 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5672 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5673 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5674 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5675 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5676 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5677 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5678 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5679 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5680 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5681 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5682 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5683 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5684 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5685 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5686 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5687 dstpixel = ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5688 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5689 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5690 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5691 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5692 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5693 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5694 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5695 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5696
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	5697 static void SDL_Blit_ABGR8888_BGR888_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5698 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5699 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5700 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5701 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5702 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5703 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5704 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5705
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5706 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5707 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5708 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5709 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5710
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5711 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5712 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5713 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5714 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5715 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5716 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5717 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5718 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5719 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5720 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5721 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5722 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5723 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5724 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5725 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5726 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5727 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5728 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5729 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5730 A = (Uint8)(pixel >> 24); B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5731 pixel = ((Uint32)B << 16) \| ((Uint32)G << 8) \| R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5732 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5733 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5734 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5735 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5736 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5737 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5738 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5739 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5740
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	5741 static void SDL_Blit_ABGR8888_BGR888_Blend(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5742 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5743 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5744 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5745 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5746 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5747 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5748
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5749 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5750 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5751 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5752 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5753 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5754 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5755 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5756 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5757 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5758 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5759 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5760 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5761 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5762 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5763 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5764 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5765 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5766 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5767 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5768 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5769 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5770 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5771 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5772 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5773 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5774 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5775 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5776 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5777 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5778 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5779 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5780 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5781 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5782 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5783 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5784 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5785 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5786 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5787 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5788 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5789 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5790 dstpixel = ((Uint32)dstB << 16) \| ((Uint32)dstG << 8) \| dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5791 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5792 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5793 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5794 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5795 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5796 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5797 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5798 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5799
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	5800 static void SDL_Blit_ABGR8888_BGR888_Blend_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5801 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5802 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5803 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5804 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5805 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5806 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5807 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5808 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5809 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5810
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5811 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5812 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5813 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5814 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5815
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5816 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5817 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5818 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5819 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5820 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5821 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5822 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5823 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5824 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5825 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5826 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5827 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5828 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5829 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5830 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5831 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5832 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5833 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5834 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5835 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5836 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5837 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5838 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5839 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5840 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5841 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5842 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5843 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5844 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5845 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5846 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5847 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5848 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5849 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5850 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5851 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5852 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5853 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5854 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5855 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5856 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5857 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5858 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5859 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5860 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5861 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5862 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5863 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5864 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5865 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5866 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5867 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5868 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5869 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5870 dstpixel = ((Uint32)dstB << 16) \| ((Uint32)dstG << 8) \| dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5871 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5872 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5873 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5874 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5875 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5876 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5877 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5878 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5879
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	5880 static void SDL_Blit_ABGR8888_BGR888_Modulate(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5881 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5882 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5883 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5884 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5885 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5886 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5887 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5888 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5889
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5890 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5891 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5892 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5893 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5894 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5895 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5896 A = (Uint8)(pixel >> 24); B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5897 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5898 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5899 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5900 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5901 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5902 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5903 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5904 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5905 pixel = ((Uint32)B << 16) \| ((Uint32)G << 8) \| R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5906 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5907 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5908 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5909 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5910 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5911 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5912 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5913 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5914
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	5915 static void SDL_Blit_ABGR8888_BGR888_Modulate_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5916 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5917 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5918 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5919 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5920 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5921 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5922 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5923 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5924 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5925 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5926 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5927
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5928 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5929 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5930 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5931 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5932
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5933 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5934 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5935 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5936 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5937 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5938 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5939 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5940 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5941 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5942 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5943 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5944 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5945 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5946 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5947 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5948 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5949 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5950 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5951 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5952 A = (Uint8)(pixel >> 24); B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5953 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5954 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5955 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5956 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5957 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5958 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5959 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5960 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5961 pixel = ((Uint32)B << 16) \| ((Uint32)G << 8) \| R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5962 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5963 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5964 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5965 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5966 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5967 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5968 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5969 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5970
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	5971 static void SDL_Blit_ABGR8888_BGR888_Modulate_Blend(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5972 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5973 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5974 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5975 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5976 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5977 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5978 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5979 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5980 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5981 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5982
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5983 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5984 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5985 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5986 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5987 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5988 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5989 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5990 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5991 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5992 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5993 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5994 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5995 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5996 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5997 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5998 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5999 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6000 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6001 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6002 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6003 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6004 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6005 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6006 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6007 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6008 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6009 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6010 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6011 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6012 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6013 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6014 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6015 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6016 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6017 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6018 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6019 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6020 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6021 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6022 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6023 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6024 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6025 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6026 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6027 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6028 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6029 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6030 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6031 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6032 dstpixel = ((Uint32)dstB << 16) \| ((Uint32)dstG << 8) \| dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6033 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6034 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6035 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6036 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6037 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6038 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6039 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6040 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6041
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	6042 static void SDL_Blit_ABGR8888_BGR888_Modulate_Blend_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6043 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6044 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6045 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6046 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6047 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6048 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6049 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6050 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6051 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6052 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6053 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6054 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6055 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6056
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6057 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6058 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6059 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6060 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6061
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6062 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6063 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6064 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6065 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6066 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6067 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6068 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6069 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6070 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6071 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6072 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6073 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6074 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6075 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6076 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6077 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6078 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6079 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6080 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6081 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6082 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6083 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6084 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6085 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6086 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6087 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6088 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6089 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6090 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6091 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6092 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6093 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6094 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6095 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6096 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6097 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6098 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6099 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6100 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6101 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6102 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6103 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6104 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6105 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6106 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6107 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6108 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6109 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6110 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6111 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6112 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6113 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6114 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6115 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6116 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6117 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6118 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6119 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6120 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6121 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6122 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6123 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6124 dstpixel = ((Uint32)dstB << 16) \| ((Uint32)dstG << 8) \| dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6125 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6126 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6127 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6128 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6129 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6130 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6131 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6132 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6133
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6134 static void SDL_Blit_ABGR8888_ARGB8888_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6135 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6136 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6137 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6138 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6139 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6140 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6141 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6142
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6143 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6144 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6145 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6146 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6147
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6148 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6149 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6150 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6151 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6152 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6153 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6154 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6155 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6156 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6157 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6158 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6159 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6160 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6161 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6162 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6163 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6164 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6165 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6166 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6167 A = (Uint8)(pixel >> 24); B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6168 pixel = ((Uint32)A << 24) \| ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6169 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6170 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6171 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6172 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6173 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6174 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6175 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6176 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6177
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6178 static void SDL_Blit_ABGR8888_ARGB8888_Blend(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6179 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6180 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6181 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6182 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6183 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6184 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6185
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6186 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6187 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6188 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6189 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6190 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6191 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6192 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6193 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6194 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6195 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6196 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6197 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6198 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6199 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6200 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6201 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6202 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6203 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6204 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6205 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6206 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6207 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6208 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6209 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6210 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6211 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6212 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6213 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6214 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6215 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6216 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6217 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6218 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6219 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6220 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6221 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6222 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6223 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6224 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6225 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6226 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6227 dstpixel = ((Uint32)dstA << 24) \| ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6228 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6229 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6230 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6231 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6232 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6233 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6234 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6235 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6236
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6237 static void SDL_Blit_ABGR8888_ARGB8888_Blend_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6238 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6239 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6240 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6241 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6242 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6243 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6244 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6245 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6246 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6247
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6248 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6249 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6250 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6251 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6252
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6253 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6254 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6255 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6256 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6257 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6258 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6259 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6260 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6261 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6262 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6263 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6264 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6265 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6266 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6267 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6268 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6269 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6270 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6271 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6272 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6273 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6274 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6275 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6276 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6277 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6278 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6279 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6280 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6281 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6282 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6283 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6284 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6285 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6286 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6287 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6288 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6289 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6290 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6291 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6292 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6293 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6294 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6295 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6296 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6297 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6298 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6299 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6300 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6301 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6302 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6303 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6304 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6305 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6306 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6307 dstpixel = ((Uint32)dstA << 24) \| ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6308 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6309 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6310 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6311 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6312 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6313 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6314 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6315 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6316
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6317 static void SDL_Blit_ABGR8888_ARGB8888_Modulate(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6318 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6319 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6320 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6321 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6322 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6323 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6324 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6325 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6326
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6327 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6328 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6329 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6330 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6331 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6332 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6333 A = (Uint8)(pixel >> 24); B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6334 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6335 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6336 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6337 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6338 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6339 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6340 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6341 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6342 pixel = ((Uint32)A << 24) \| ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6343 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6344 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6345 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6346 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6347 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6348 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6349 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6350 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6351
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6352 static void SDL_Blit_ABGR8888_ARGB8888_Modulate_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6353 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6354 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6355 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6356 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6357 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6358 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6359 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6360 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6361 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6362 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6363 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6364
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6365 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6366 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6367 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6368 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6369
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6370 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6371 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6372 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6373 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6374 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6375 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6376 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6377 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6378 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6379 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6380 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6381 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6382 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6383 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6384 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6385 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6386 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6387 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6388 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6389 A = (Uint8)(pixel >> 24); B = (Uint8)(pixel >> 16); G = (Uint8)(pixel >> 8); R = (Uint8)pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6390 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6391 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6392 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6393 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6394 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6395 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6396 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6397 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6398 pixel = ((Uint32)A << 24) \| ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6399 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6400 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6401 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6402 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6403 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6404 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6405 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6406 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6407
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6408 static void SDL_Blit_ABGR8888_ARGB8888_Modulate_Blend(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6409 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6410 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6411 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6412 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6413 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6414 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6415 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6416 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6417 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6418 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6419
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6420 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6421 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6422 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6423 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6424 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6425 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6426 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6427 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6428 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6429 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6430 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6431 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6432 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6433 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6434 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6435 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6436 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6437 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6438 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6439 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6440 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6441 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6442 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6443 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6444 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6445 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6446 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6447 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6448 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6449 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6450 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6451 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6452 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6453 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6454 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6455 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6456 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6457 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6458 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6459 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6460 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6461 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6462 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6463 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6464 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6465 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6466 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6467 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6468 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6469 dstpixel = ((Uint32)dstA << 24) \| ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6470 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6471 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6472 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6473 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6474 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6475 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6476 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6477 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6478
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6479 static void SDL_Blit_ABGR8888_ARGB8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6480 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6481 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6482 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6483 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6484 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6485 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6486 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6487 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6488 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6489 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6490 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6491 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6492 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6493
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6494 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6495 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6496 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6497 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6498
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6499 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6500 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6501 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6502 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6503 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6504 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6505 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6506 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6507 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6508 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6509 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6510 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6511 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6512 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6513 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6514 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6515 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6516 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6517 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6518 srcA = (Uint8)(srcpixel >> 24); srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6519 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6520 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6521 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6522 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6523 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6524 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6525 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6526 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6527 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6528 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6529 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6530 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6531 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6532 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6533 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6534 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6535 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6536 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6537 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6538 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6539 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6540 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6541 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6542 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6543 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6544 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6545 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6546 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6547 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6548 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6549 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6550 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6551 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6552 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6553 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6554 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6555 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6556 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6557 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6558 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6559 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6560 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6561 dstpixel = ((Uint32)dstA << 24) \| ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6562 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6563 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6564 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6565 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6566 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6567 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6568 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6569 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6570
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	6571 static void SDL_Blit_BGRA8888_RGB888_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6572 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6573 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6574 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6575 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6576 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6577 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6578 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6579
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6580 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6581 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6582 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6583 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6584
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6585 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6586 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6587 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6588 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6589 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6590 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6591 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6592 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6593 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6594 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6595 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6596 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6597 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6598 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6599 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6600 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6601 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6602 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6603 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6604 B = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); R = (Uint8)(pixel >> 8); A = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6605 pixel = ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6606 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6607 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6608 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6609 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6610 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6611 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6612 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6613 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6614
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	6615 static void SDL_Blit_BGRA8888_RGB888_Blend(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6616 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6617 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6618 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6619 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6620 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6621 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6622
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6623 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6624 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6625 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6626 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6627 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6628 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6629 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6630 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6631 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6632 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6633 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6634 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6635 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6636 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6637 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6638 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6639 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6640 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6641 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6642 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6643 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6644 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6645 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6646 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6647 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6648 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6649 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6650 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6651 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6652 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6653 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6654 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6655 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6656 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6657 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6658 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6659 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6660 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6661 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6662 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6663 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6664 dstpixel = ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6665 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6666 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6667 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6668 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6669 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6670 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6671 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6672 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6673
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	6674 static void SDL_Blit_BGRA8888_RGB888_Blend_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6675 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6676 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6677 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6678 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6679 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6680 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6681 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6682 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6683 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6684
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6685 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6686 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6687 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6688 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6689
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6690 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6691 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6692 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6693 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6694 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6695 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6696 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6697 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6698 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6699 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6700 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6701 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6702 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6703 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6704 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6705 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6706 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6707 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6708 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6709 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6710 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6711 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6712 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6713 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6714 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6715 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6716 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6717 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6718 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6719 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6720 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6721 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6722 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6723 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6724 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6725 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6726 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6727 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6728 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6729 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6730 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6731 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6732 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6733 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6734 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6735 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6736 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6737 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6738 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6739 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6740 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6741 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6742 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6743 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6744 dstpixel = ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6745 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6746 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6747 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6748 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6749 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6750 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6751 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6752 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6753
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	6754 static void SDL_Blit_BGRA8888_RGB888_Modulate(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6755 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6756 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6757 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6758 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6759 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6760 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6761 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6762 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6763
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6764 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6765 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6766 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6767 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6768 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6769 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6770 B = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); R = (Uint8)(pixel >> 8); A = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6771 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6772 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6773 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6774 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6775 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6776 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6777 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6778 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6779 pixel = ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6780 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6781 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6782 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6783 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6784 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6785 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6786 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6787 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6788
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	6789 static void SDL_Blit_BGRA8888_RGB888_Modulate_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6790 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6791 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6792 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6793 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6794 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6795 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6796 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6797 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6798 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6799 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6800 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6801
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6802 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6803 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6804 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6805 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6806
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6807 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6808 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6809 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6810 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6811 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6812 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6813 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6814 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6815 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6816 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6817 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6818 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6819 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6820 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6821 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6822 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6823 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6824 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6825 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6826 B = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); R = (Uint8)(pixel >> 8); A = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6827 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6828 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6829 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6830 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6831 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6832 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6833 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6834 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6835 pixel = ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6836 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6837 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6838 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6839 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6840 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6841 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6842 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6843 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6844
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	6845 static void SDL_Blit_BGRA8888_RGB888_Modulate_Blend(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6846 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6847 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6848 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6849 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6850 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6851 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6852 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6853 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6854 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6855 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6856
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6857 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6858 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6859 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6860 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6861 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6862 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6863 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6864 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6865 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6866 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6867 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6868 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6869 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6870 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6871 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6872 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6873 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6874 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6875 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6876 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6877 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6878 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6879 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6880 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6881 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6882 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6883 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6884 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6885 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6886 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6887 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6888 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6889 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6890 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6891 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6892 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6893 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6894 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6895 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6896 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6897 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6898 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6899 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6900 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6901 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6902 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6903 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6904 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6905 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6906 dstpixel = ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6907 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6908 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6909 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6910 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6911 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6912 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6913 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6914 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6915
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	6916 static void SDL_Blit_BGRA8888_RGB888_Modulate_Blend_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6917 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6918 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6919 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6920 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6921 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6922 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6923 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6924 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6925 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6926 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6927 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6928 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6929 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6930
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6931 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6932 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6933 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6934 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6935
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6936 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6937 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6938 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6939 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6940 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6941 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6942 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6943 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6944 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6945 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6946 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6947 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6948 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6949 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6950 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6951 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6952 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6953 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6954 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6955 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6956 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6957 dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6958 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6959 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6960 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6961 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6962 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6963 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6964 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6965 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6966 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6967 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6968 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6969 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6970 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6971 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6972 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6973 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6974 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6975 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6976 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6977 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6978 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6979 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6980 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6981 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6982 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6983 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6984 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6985 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6986 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6987 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6988 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6989 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6990 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6991 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6992 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6993 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6994 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6995 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6996 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6997 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6998 dstpixel = ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6999 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7000 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7001 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7002 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7003 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7004 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7005 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7006 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7007
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7008 static void SDL_Blit_BGRA8888_BGR888_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7009 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7010 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7011 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7012 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7013 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7014 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7015 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7016
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7017 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7018 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7019 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7020 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7021
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7022 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7023 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7024 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7025 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7026 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7027 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7028 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7029 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7030 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7031 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7032 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7033 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7034 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7035 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7036 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7037 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7038 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7039 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7040 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7041 B = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); R = (Uint8)(pixel >> 8); A = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7042 pixel = ((Uint32)B << 16) \| ((Uint32)G << 8) \| R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7043 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7044 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7045 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7046 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7047 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7048 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7049 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7050 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7051
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7052 static void SDL_Blit_BGRA8888_BGR888_Blend(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7053 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7054 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7055 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7056 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7057 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7058 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7059
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7060 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7061 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7062 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7063 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7064 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7065 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7066 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7067 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7068 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7069 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7070 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7071 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7072 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7073 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7074 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7075 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7076 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7077 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7078 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7079 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7080 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7081 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7082 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7083 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7084 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7085 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7086 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7087 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7088 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7089 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7090 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7091 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7092 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7093 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7094 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7095 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7096 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7097 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7098 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7099 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7100 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7101 dstpixel = ((Uint32)dstB << 16) \| ((Uint32)dstG << 8) \| dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7102 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7103 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7104 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7105 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7106 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7107 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7108 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7109 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7110
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7111 static void SDL_Blit_BGRA8888_BGR888_Blend_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7112 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7113 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7114 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7115 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7116 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7117 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7118 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7119 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7120 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7121
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7122 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7123 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7124 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7125 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7126
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7127 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7128 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7129 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7130 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7131 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7132 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7133 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7134 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7135 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7136 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7137 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7138 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7139 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7140 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7141 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7142 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7143 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7144 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7145 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7146 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7147 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7148 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7149 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7150 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7151 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7152 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7153 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7154 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7155 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7156 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7157 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7158 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7159 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7160 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7161 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7162 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7163 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7164 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7165 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7166 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7167 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7168 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7169 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7170 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7171 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7172 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7173 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7174 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7175 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7176 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7177 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7178 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7179 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7180 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7181 dstpixel = ((Uint32)dstB << 16) \| ((Uint32)dstG << 8) \| dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7182 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7183 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7184 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7185 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7186 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7187 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7188 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7189 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7190
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7191 static void SDL_Blit_BGRA8888_BGR888_Modulate(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7192 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7193 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7194 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7195 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7196 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7197 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7198 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7199 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7200
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7201 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7202 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7203 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7204 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7205 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7206 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7207 B = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); R = (Uint8)(pixel >> 8); A = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7208 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7209 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7210 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7211 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7212 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7213 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7214 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7215 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7216 pixel = ((Uint32)B << 16) \| ((Uint32)G << 8) \| R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7217 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7218 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7219 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7220 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7221 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7222 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7223 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7224 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7225
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7226 static void SDL_Blit_BGRA8888_BGR888_Modulate_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7227 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7228 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7229 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7230 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7231 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7232 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7233 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7234 Uint32 R, G, B, A;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7235 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7236 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7237 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7238
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7239 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7240 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7241 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7242 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7243
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7244 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7245 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7246 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7247 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7248 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7249 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7250 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7251 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7252 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7253 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7254 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7255 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7256 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7257 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7258 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7259 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7260 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7261 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7262 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7263 B = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); R = (Uint8)(pixel >> 8); A = (Uint8)pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7264 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7265 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7266 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7267 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7268 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7269 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7270 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7271 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7272 pixel = ((Uint32)B << 16) \| ((Uint32)G << 8) \| R;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7273 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7274 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7275 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7276 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7277 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7278 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7279 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7280 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7281
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7282 static void SDL_Blit_BGRA8888_BGR888_Modulate_Blend(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7283 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7284 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7285 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7286 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7287 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7288 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7289 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7290 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7291 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7292 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7293
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7294 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7295 Uint32 src = (Uint32 )info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7296 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7297 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7298 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7299 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7300 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7301 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7302 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7303 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7304 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7305 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7306 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7307 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7308 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7309 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7310 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7311 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7312 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7313 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7314 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7315 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7316 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7317 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7318 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7319 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7320 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7321 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7322 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7323 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7324 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7325 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7326 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7327 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7328 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7329 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7330 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7331 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7332 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7333 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7334 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7335 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7336 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7337 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7338 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7339 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7340 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7341 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7342 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7343 dstpixel = ((Uint32)dstB << 16) \| ((Uint32)dstG << 8) \| dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7344 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7345 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7346 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7347 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7348 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7349 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7350 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7351 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7352
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7353 static void SDL_Blit_BGRA8888_BGR888_Modulate_Blend_Scale(SDL_BlitInfo *info)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7354 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7355 const int flags = info->flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7356 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7357 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7358 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7359 const Uint32 modulateA = info->a;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7360 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7361 Uint32 srcR, srcG, srcB, srcA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7362 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7363 Uint32 dstR, dstG, dstB, dstA;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7364 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7365 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7366 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7367
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7368 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7369 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7370 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7371 incx = (info->src_w << 16) / info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7372
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7373 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7374 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7375 Uint32 dst = (Uint32 )info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7376 int n = info->dst_w;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7377 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7378 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7379 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7380 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7381 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7382 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7383 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7384 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7385 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7386 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7387 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7388 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7389 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7390 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7391 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7392 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7393 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7394 dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = 0xFF;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7395 if (flags & SDL_COPY_MODULATE_COLOR) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7396 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7397 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7398 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7399 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7400 if (flags & SDL_COPY_MODULATE_ALPHA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7401 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7402 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7403 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7404 /* This goes away if we ever use premultiplied alpha */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7405 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7406 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7407 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7408 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7409 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7410 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7411 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7412 case SDL_COPY_MASK:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7413 if (srcA) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7414 dstR = srcR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7415 dstG = srcG;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7416 dstB = srcB;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7417 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7418 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7419 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7420 dstR = srcR + ((255 - srcA) * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7421 dstG = srcG + ((255 - srcA) * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7422 dstB = srcB + ((255 - srcA) * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7423 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7424 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7425 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7426 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7427 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7428 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7429 case SDL_COPY_MOD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7430 dstR = (srcR * dstR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7431 dstG = (srcG * dstG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7432 dstB = (srcB * dstB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7433 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7434 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7435 dstpixel = ((Uint32)dstB << 16) \| ((Uint32)dstG << 8) \| dstR;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7436 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7437 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7438 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7439 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7440 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7441 info->dst += info->dst_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7442 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7443 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7444
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7445 static void SDL_Blit_BGRA8888_ARGB8888_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7446 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7447 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7448 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7449 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7450 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7451 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7452 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7453
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7454 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7455 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7456 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7457 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7458
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7459 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7460 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7461 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7462 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7463 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7464 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7465 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7466 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7467 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7468 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7469 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7470 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7471 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7472 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7473 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7474 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7475 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7476 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7477 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7478 B = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); R = (Uint8)(pixel >> 8); A = (Uint8)pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7479 pixel = ((Uint32)A << 24) \| ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7480 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7481 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7482 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7483 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7484 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7485 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7486 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7487 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7488
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7489 static void SDL_Blit_BGRA8888_ARGB8888_Blend(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7490 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7491 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7492 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7493 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7494 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7495 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7496
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7497 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7498 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7499 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7500 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7501 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7502 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7503 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7504 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7505 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7506 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7507 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7508 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7509 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7510 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7511 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7512 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7513 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7514 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7515 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7516 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7517 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7518 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7519 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7520 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7521 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7522 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7523 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7524 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7525 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7526 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7527 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7528 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7529 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7530 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7531 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7532 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7533 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7534 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7535 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7536 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7537 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7538 dstpixel = ((Uint32)dstA << 24) \| ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7539 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7540 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7541 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7542 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7543 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7544 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7545 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7546 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7547
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7548 static void SDL_Blit_BGRA8888_ARGB8888_Blend_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7549 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7550 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7551 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7552 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7553 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7554 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7555 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7556 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7557 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7558
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7559 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7560 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7561 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7562 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7563
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7564 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7565 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7566 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7567 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7568 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7569 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7570 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7571 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7572 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7573 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7574 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7575 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7576 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7577 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7578 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7579 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7580 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7581 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7582 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7583 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7584 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7585 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7586 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7587 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7588 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7589 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7590 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7591 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7592 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7593 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7594 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7595 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7596 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7597 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7598 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7599 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7600 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7601 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7602 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7603 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7604 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7605 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7606 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7607 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7608 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7609 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7610 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7611 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7612 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7613 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7614 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7615 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7616 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7617 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7618 dstpixel = ((Uint32)dstA << 24) \| ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7619 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7620 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7621 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7622 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7623 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7624 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7625 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7626 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7627
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7628 static void SDL_Blit_BGRA8888_ARGB8888_Modulate(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7629 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7630 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7631 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7632 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7633 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7634 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7635 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7636 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7637
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7638 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7639 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7640 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7641 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7642 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7643 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7644 B = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); R = (Uint8)(pixel >> 8); A = (Uint8)pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7645 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7646 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7647 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7648 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7649 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7650 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7651 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7652 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7653 pixel = ((Uint32)A << 24) \| ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7654 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7655 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7656 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7657 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7658 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7659 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7660 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7661 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7662
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7663 static void SDL_Blit_BGRA8888_ARGB8888_Modulate_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7664 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7665 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7666 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7667 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7668 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7669 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7670 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7671 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7672 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7673 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7674 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7675
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7676 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7677 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7678 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7679 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7680
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7681 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7682 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7683 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7684 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7685 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7686 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7687 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7688 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7689 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7690 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7691 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7692 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7693 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7694 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7695 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7696 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7697 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7698 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7699 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7700 B = (Uint8)(pixel >> 24); G = (Uint8)(pixel >> 16); R = (Uint8)(pixel >> 8); A = (Uint8)pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7701 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7702 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7703 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7704 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7705 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7706 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7707 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7708 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7709 pixel = ((Uint32)A << 24) \| ((Uint32)R << 16) \| ((Uint32)G << 8) \| B;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7710 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7711 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7712 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7713 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7714 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7715 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7716 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7717 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7718
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7719 static void SDL_Blit_BGRA8888_ARGB8888_Modulate_Blend(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7720 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7721 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7722 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7723 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7724 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7725 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7726 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7727 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7728 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7729 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7730
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7731 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7732 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7733 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7734 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7735 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7736 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7737 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7738 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7739 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7740 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7741 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7742 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7743 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7744 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7745 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7746 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7747 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7748 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7749 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7750 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7751 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7752 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7753 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7754 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7755 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7756 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7757 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7758 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7759 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7760 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7761 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7762 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7763 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7764 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7765 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7766 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7767 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7768 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7769 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7770 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7771 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7772 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7773 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7774 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7775 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7776 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7777 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7778 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7779 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7780 dstpixel = ((Uint32)dstA << 24) \| ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7781 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7782 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7783 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7784 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7785 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7786 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7787 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7788 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7789
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7790 static void SDL_Blit_BGRA8888_ARGB8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7791 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7792 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7793 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7794 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7795 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7796 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7797 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7798 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7799 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7800 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7801 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7802 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7803 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7804
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7805 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7806 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7807 incy = (info->src_h << 16) / info->dst_h;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7808 incx = (info->src_w << 16) / info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7809
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7810 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7811 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7812 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7813 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7814 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7815 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7816 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7817 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7818 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7819 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7820 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7821 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7822 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7823 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7824 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7825 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7826 src = (Uint32 )(info->src + (srcy info->src_pitch) + (srcx * 4));
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7827 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7828 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7829 srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7830 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7831 dstA = (Uint8)(dstpixel >> 24); dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7832 if (flags & SDL_COPY_MODULATE_COLOR) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7833 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7834 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7835 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7836 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7837 if (flags & SDL_COPY_MODULATE_ALPHA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7838 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7839 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7840 if (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7841 /* This goes away if we ever use premultiplied alpha */
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7842 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7843 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7844 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7845 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7846 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7847 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7848 switch (flags & (SDL_COPY_MASK\|SDL_COPY_BLEND\|SDL_COPY_ADD\|SDL_COPY_MOD)) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7849 case SDL_COPY_MASK:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7850 if (srcA) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7851 dstR = srcR;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7852 dstG = srcG;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7853 dstB = srcB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7854 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7855 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7856 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7857 dstR = srcR + ((255 - srcA) * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7858 dstG = srcG + ((255 - srcA) * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7859 dstB = srcB + ((255 - srcA) * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7860 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7861 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7862 dstR = srcR + dstR; if (dstR > 255) dstR = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7863 dstG = srcG + dstG; if (dstG > 255) dstG = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7864 dstB = srcB + dstB; if (dstB > 255) dstB = 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7865 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7866 case SDL_COPY_MOD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7867 dstR = (srcR * dstR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7868 dstG = (srcG * dstG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7869 dstB = (srcB * dstB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7870 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7871 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7872 dstpixel = ((Uint32)dstA << 24) \| ((Uint32)dstR << 16) \| ((Uint32)dstG << 8) \| dstB;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7873 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7874 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7875 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7876 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7877 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7878 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7879 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7880 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7881
2267 c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	7882 SDL_BlitFuncEntry SDL_GeneratedBlitFuncTable[] = {
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7883 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7884 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Blend },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7885 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7886 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Modulate },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7887 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Modulate_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7888 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Modulate_Blend },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7889 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Modulate_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7890 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7891 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Blend },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7892 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7893 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Modulate },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7894 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Modulate_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7895 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Modulate_Blend },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7896 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Modulate_Blend_Scale },
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7897 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_ARGB8888_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7898 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGB888_ARGB8888_Blend },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7899 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_ARGB8888_Blend_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7900 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_RGB888_ARGB8888_Modulate },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7901 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_ARGB8888_Modulate_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7902 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGB888_ARGB8888_Modulate_Blend },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7903 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_ARGB8888_Modulate_Blend_Scale },
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7904 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7905 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Blend },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7906 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7907 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Modulate },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7908 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Modulate_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7909 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Modulate_Blend },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7910 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Modulate_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7911 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7912 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Blend },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7913 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7914 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Modulate },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7915 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Modulate_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7916 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Modulate_Blend },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7917 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Modulate_Blend_Scale },
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7918 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_ARGB8888_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7919 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGR888_ARGB8888_Blend },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7920 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_ARGB8888_Blend_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7921 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_BGR888_ARGB8888_Modulate },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7922 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_ARGB8888_Modulate_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7923 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGR888_ARGB8888_Modulate_Blend },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7924 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_ARGB8888_Modulate_Blend_Scale },
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7925 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7926 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Blend },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7927 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7928 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Modulate },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7929 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Modulate_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7930 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Modulate_Blend },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7931 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Modulate_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7932 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7933 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Blend },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7934 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7935 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Modulate },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7936 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Modulate_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7937 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Modulate_Blend },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7938 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Modulate_Blend_Scale },
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7939 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7940 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Blend },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7941 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Blend_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7942 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Modulate },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7943 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Modulate_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7944 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Modulate_Blend },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7945 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Modulate_Blend_Scale },
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7946 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7947 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Blend },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7948 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7949 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Modulate },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7950 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Modulate_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7951 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Modulate_Blend },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7952 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Modulate_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7953 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7954 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Blend },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7955 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7956 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Modulate },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7957 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Modulate_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7958 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Modulate_Blend },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7959 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Modulate_Blend_Scale },
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7960 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7961 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Blend },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7962 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Blend_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7963 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Modulate },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7964 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Modulate_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7965 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Modulate_Blend },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7966 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Modulate_Blend_Scale },
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7967 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7968 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Blend },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7969 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7970 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Modulate },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7971 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Modulate_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7972 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Modulate_Blend },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7973 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Modulate_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7974 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7975 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Blend },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7976 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7977 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Modulate },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7978 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Modulate_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7979 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Modulate_Blend },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7980 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Modulate_Blend_Scale },
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7981 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7982 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Blend },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7983 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Blend_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7984 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Modulate },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7985 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Modulate_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7986 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Modulate_Blend },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7987 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Modulate_Blend_Scale },
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7988 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7989 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Blend },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7990 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7991 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Modulate },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7992 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Modulate_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7993 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Modulate_Blend },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7994 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Modulate_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7995 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7996 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Blend },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7997 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Blend_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7998 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Modulate },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7999 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Modulate_Scale },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	8000 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Modulate_Blend },
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	8001 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Modulate_Blend_Scale },
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	8002 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	8003 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Blend },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	8004 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Blend_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	8005 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Modulate },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	8006 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Modulate_Scale },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	8007 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Modulate_Blend },
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	8008 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Modulate_Blend_Scale },
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	8009 { 0, 0, 0, 0, NULL }
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	8010 };
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	8011
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8012 /* INDENT-ON */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8013
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8014 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/video/SDL_blit_auto.c @ 4600:8b22d33d8260