sdl-ios-xcode: src/video/SDL_blit

annotate src/video/SDL_blit_auto.c @ 5167:97423d858a1a

Added an intro to the features and goals of the 2D rendering API.

author	Sam Lantinga <slouken@libsdl.org>
date	Thu, 03 Feb 2011 10:03:55 -0800
parents	e743b9c3f6d6
children	d976b67150c5

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
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	4 Copyright (C) 1997-2011 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 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	95 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	96 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	97 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	98 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	99 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	100 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	101 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	102 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	103 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	104 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	105 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	106 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	107 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	108 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	109 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	110 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	111 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	112 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	113 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	114 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	115 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	116
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	117 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	118 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	119 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	120 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	121 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	122 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	123 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	124 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	125 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	126 int incy, incx;
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 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	129 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	130 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	131 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	132
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	133 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	134 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	135 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	136 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	137 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	138 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	139 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	140 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	141 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	142 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	143 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	144 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	145 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	146 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	147 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	148 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	149 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	150 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	151 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	152 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	153 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	154 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	155 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	156 /* 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	157 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	158 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	159 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	160 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	161 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	162 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	163 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	164 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	165 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	166 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	167 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	168 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	169 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	170 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	171 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	172 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	173 break;
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 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	176 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	177 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	178 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	179 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	180 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	181 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	182 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	183 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	184
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	185 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	186 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	187 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	188 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	189 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	190 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	191 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	192 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	193 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	194
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	195 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	196 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	197 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	198 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	199 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	200 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	201 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	202 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	203 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	204 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	205 B = (B * modulateB) / 255;
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 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	208 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	209 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	210 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	211 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	212 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	213 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	214 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	215 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	216 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	217 }
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
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	220 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	221 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	222 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	223 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	224 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	225 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	226 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	227 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	228 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	229 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	230 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	231 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	232
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	233 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	234 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	235 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	236 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	237
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	238 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	239 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	240 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	241 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	242 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	243 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	244 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	245 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	246 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	247 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	248 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	249 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	250 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	251 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	252 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	253 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	254 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	255 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	256 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	257 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	258 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	259 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	260 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	261 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	262 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	263 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	264 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	265 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	266 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	267 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	268 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	269 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	270 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	271 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	272 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	273 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	274 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	275
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	276 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	277 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	278 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	279 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	280 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	281 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	282 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	283 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	284 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	285 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	286 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	287
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	288 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	289 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	290 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	291 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	292 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	293 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	294 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	295 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	296 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	297 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	298 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	299 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	300 srcB = (srcB * modulateB) / 255;
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 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	303 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	304 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	305 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	306 /* 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	307 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	308 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	309 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	310 srcB = (srcB * srcA) / 255;
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 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	313 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	314 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	315 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	316 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	317 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	318 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	319 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	320 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	321 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	322 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	323 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	324 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	325 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	326 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	327 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	328 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	329 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	330 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	331 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	332 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	333 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	334
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	335 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	336 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	337 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	338 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	339 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	340 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	341 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	342 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	343 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	344 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	345 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	346 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	347 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	348 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	349
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	350 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	351 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	352 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	353 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	354
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	355 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	356 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	357 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	358 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	359 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	360 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	361 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	362 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	363 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	364 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	365 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	366 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	367 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	368 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	369 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	370 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	371 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	372 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	373 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	374 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	375 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	376 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	377 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	378 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	379 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	380 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	381 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	382 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	383 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	384 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	385 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	386 /* 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	387 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	388 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	389 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	390 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	391 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	392 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	393 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	394 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	395 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	396 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	397 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	398 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	399 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	400 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	401 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	402 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	403 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	404 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	405 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	406 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	407 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	408 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	409 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	410 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	411 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	412 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	413 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	414
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	415 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	416 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	417 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	418 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	419 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	420 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	421 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	422 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	423
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	424 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	425 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	426 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	427 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	428
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	429 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	430 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	431 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	432 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	433 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	434 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	435 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	436 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	437 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	438 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	439 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	440 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	441 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	442 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	443 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	444 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	445 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	446 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	447 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	448 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	449 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	450 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	451 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	452 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	453 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	454 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	455 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	456 }
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
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	459 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	460 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	461 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	462 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	463 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	464 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	465 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	466
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	467 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	468 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	469 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	470 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	471 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	472 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	473 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	474 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	475 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	476 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	477 /* 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	478 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	479 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	480 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	481 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	482 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	483 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	484 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	485 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	486 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	487 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	488 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	489 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	490 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	491 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	492 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	493 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	494 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	495 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	496 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	497 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	498 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	499 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	500 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	501 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	502 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	503 }
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
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	506 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	507 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	508 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	509 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	510 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	511 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	512 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	513 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	514 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	515 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	516
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	517 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	518 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	519 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	520 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	521
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	522 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	523 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	524 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	525 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	526 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	527 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	528 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	529 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	530 posy -= 0x10000L;
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 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	533 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	534 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	535 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	536 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	537 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	538 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	539 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	540 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	541 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	542 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	543 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	544 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	545 /* 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	546 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	547 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	548 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	549 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	550 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	551 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	552 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	553 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	554 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	555 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	556 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	557 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	558 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	559 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	560 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	561 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	562 break;
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 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	565 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	566 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	567 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	568 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	569 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	570 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	571 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	572 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	573
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	574 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	575 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	576 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	577 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	578 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	579 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	580 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	581 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	582 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	583
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	584 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	585 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	586 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	587 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	588 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	589 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	590 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	591 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	592 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	593 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	594 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	595 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	596 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	597 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	598 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	599 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	600 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	601 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	602 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	603 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	604 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	605 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	606 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	607 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	608
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	609 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	610 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	611 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	612 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	613 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	614 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	615 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	616 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	617 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	618 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	619 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	620 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	621
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	622 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	623 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	624 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	625 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	626
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	627 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	628 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	629 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	630 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	631 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	632 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	633 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	634 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	635 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	636 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	637 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	638 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	639 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	640 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	641 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	642 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	643 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	644 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	645 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	646 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	647 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	648 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	649 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	650 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	651 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	652 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	653 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	654 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	655 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	656 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	657 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	658 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	659 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	660 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	661 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	662 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	663 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	664
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	665 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	666 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	667 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	668 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	669 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	670 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	671 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	672 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	673 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	674 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	675 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	676
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	677 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	678 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	679 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	680 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	681 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	682 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	683 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	684 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	685 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	686 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	687 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	688 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	689 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	690 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	691 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	692 srcA = (srcA * modulateA) / 255;
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 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	695 /* 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	696 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	697 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	698 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	699 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	700 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	701 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	702 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	703 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	704 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	705 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	706 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	707 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	708 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	709 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	710 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	711 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	712 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	713 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	714 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	715 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	716 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	717 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	718 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	719 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	720 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	721 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	722 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	723
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	724 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	725 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	726 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	727 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	728 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	729 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	730 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	731 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	732 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	733 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	734 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	735 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	736 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	737 int incy, incx;
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 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	740 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	741 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	742 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	743
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	744 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	745 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	746 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	747 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	748 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	749 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	750 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	751 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	752 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	753 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	754 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	755 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	756 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	757 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	758 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	759 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	760 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	761 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	762 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	763 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	764 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	765 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	766 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	767 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	768 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	769 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	770 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	771 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	772 srcA = (srcA * modulateA) / 255;
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 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	775 /* 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	776 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	777 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	778 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	779 srcB = (srcB * srcA) / 255;
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 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	782 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	783 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	784 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	785 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	786 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	787 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	788 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	789 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	790 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	791 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	792 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	793 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	794 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	795 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	796 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	797 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	798 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	799 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	800 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	801 }
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
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	804 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	805 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	806 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	807 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	808 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	809 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	810 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	811 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	812
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	813 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	814 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	815 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	816 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	817
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	818 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	819 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	820 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	821 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	822 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	823 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	824 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	825 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	826 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	827 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	828 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	829 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	830 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	831 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	832 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	833 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	834 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	835 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	836 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	837 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	838 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	839 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	840 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	841 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	842 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	843 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	844 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	845 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	846 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	847
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	848 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	849 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	850 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	851 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	852 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	853 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	854 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	855
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	856 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	857 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	858 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	859 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	860 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	861 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	862 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	863 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	864 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	865 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	866 /* 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	867 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	868 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	869 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	870 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	871 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	872 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	873 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	874 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	875 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	876 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	877 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	878 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	879 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	880 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	881 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	882 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	883 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	884 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	885 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	886 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	887 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	888 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	889 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	890 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	891 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	892 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	893 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	894
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	895 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	896 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	897 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	898 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	899 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	900 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	901 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	902 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	903 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	904 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	905
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	906 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	907 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	908 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	909 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	910
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	911 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	912 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	913 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	914 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	915 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	916 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	917 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	918 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	919 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	920 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	921 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	922 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	923 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	924 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	925 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	926 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	927 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	928 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	929 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	930 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	931 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	932 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	933 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	934 /* 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	935 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	936 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	937 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	938 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	939 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	940 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	941 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	942 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	943 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	944 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	945 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	946 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	947 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	948 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	949 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	950 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	951 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	952 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	953 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	954 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	955 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	956 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	957 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	958 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	959 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	960 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	961 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	962
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	963 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	964 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	965 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	966 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	967 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	968 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	969 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	970 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	971 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	972
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	973 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	974 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	975 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	976 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	977 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	978 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	979 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	980 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	981 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	982 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	983 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	984 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	985 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	986 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	987 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	988 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	989 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	990 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	991 ++dst;
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 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	994 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	995 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	996 }
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 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	999 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1000 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1001 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1002 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1003 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1004 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1005 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1006 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1007 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1008 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1009 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1010
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1011 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1012 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1013 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	1014 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	1015
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1016 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1017 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1018 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1019 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1020 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1021 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1022 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1023 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1024 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1025 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1026 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1027 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1028 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1029 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1030 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1031 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1032 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	1033 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1034 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1035 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	1036 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	1037 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1038 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1039 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1040 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1041 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	1042 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1043 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1044 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	1045 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1046 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1047 ++dst;
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 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1050 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1051 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1052 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1053
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1054 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	1055 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1056 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1057 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1058 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1059 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1060 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1061 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1062 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1063 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1064 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1065
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1066 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1067 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1068 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1069 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1070 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1071 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1072 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	1073 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1074 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	1075 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	1076 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1077 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1078 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1079 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1080 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	1081 srcA = (srcA * modulateA) / 255;
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 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	1084 /* 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	1085 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1086 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1087 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1088 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1089 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1090 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	1091 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1092 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1093 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	1094 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	1095 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	1096 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1097 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1098 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	1099 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	1100 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	1101 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1102 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1103 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	1104 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1105 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1106 ++dst;
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 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1109 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1110 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1111 }
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 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	1114 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1115 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1116 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1117 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1118 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1119 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1120 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1121 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1122 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1123 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1124 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1125 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1126 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1127
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1128 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1129 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1130 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	1131 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	1132
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1133 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1134 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1135 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1136 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1137 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1138 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1139 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1140 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1141 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1142 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1143 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1144 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1145 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1146 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1147 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1148 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1149 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	1150 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1151 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1152 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	1153 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1154 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	1155 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	1156 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1157 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1158 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1159 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1160 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	1161 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1162 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1163 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	1164 /* 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	1165 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1166 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1167 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1168 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1169 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1170 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	1171 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1172 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1173 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	1174 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	1175 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	1176 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1177 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1178 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	1179 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	1180 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	1181 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1182 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1183 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	1184 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1185 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1186 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1187 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1188 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1189 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1190 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1191 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1192
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	1193 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	1194 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1195 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	1196 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1197 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	1198 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1199 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1200 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1201
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1202 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1203 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1204 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	1205 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	1206
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1207 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1208 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1209 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	1210 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	1211 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1212 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1213 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1214 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1215 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1216 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1217 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1218 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1219 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1220 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1221 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1222 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1223 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	1224 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1225 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1226 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	1227 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	1228 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1229 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1230 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1231 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1232 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1233 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	1234 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1235 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1236
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	1237 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	1238 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1239 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	1240 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1241 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	1242 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1243 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	1244
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1245 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1246 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	1247 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	1248 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	1249 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1250 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1251 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	1252 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1253 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	1254 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	1255 /* 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	1256 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1257 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1258 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1259 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1260 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1261 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	1262 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1263 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1264 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	1265 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	1266 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	1267 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1268 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1269 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	1270 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	1271 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	1272 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1273 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1274 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	1275 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1276 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1277 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1278 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1279 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	1280 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	1281 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1282 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1283
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	1284 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	1285 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1286 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	1287 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1288 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	1289 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1290 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	1291 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1292 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1293 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1294
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1295 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1296 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1297 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	1298 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	1299
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1300 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1301 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1302 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	1303 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	1304 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1305 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1306 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1307 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1308 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1309 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1310 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1311 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1312 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1313 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1314 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1315 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1316 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	1317 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1318 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1319 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	1320 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1321 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	1322 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	1323 /* 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	1324 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1325 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1326 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1327 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1328 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1329 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	1330 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1331 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1332 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	1333 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	1334 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	1335 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1336 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1337 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	1338 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	1339 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	1340 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1341 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1342 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	1343 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1344 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1345 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1346 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1347 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1348 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	1349 }
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
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	1352 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	1353 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1354 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	1355 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	1356 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	1357 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	1358 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	1359 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1360 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	1361
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1362 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1363 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	1364 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	1365 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	1366 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1367 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1368 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	1369 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	1370 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1371 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1372 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1373 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1374 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	1375 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1376 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1377 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	1378 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1379 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1380 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1381 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1382 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	1383 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	1384 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1385 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1386
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	1387 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	1388 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1389 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	1390 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	1391 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	1392 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	1393 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	1394 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1395 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	1396 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1397 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1398 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1399
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1400 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1401 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1402 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	1403 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	1404
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1405 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1406 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1407 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	1408 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	1409 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1410 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1411 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1412 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1413 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1414 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1415 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1416 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1417 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1418 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1419 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1420 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1421 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	1422 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1423 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1424 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	1425 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	1426 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1427 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1428 B = (B * modulateB) / 255;
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 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	1431 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1432 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1433 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	1434 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1435 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1436 ++dst;
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 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1439 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	1440 }
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
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	1443 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	1444 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1445 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	1446 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	1447 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	1448 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	1449 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	1450 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1451 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	1452 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1453 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	1454
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1455 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1456 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	1457 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	1458 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	1459 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1460 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1461 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	1462 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1463 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	1464 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	1465 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1466 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1467 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1468 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1469 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	1470 srcA = (srcA * modulateA) / 255;
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 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	1473 /* 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	1474 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1475 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1476 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1477 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1478 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1479 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	1480 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1481 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1482 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	1483 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	1484 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	1485 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1486 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1487 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	1488 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	1489 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	1490 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1491 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1492 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	1493 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1494 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1495 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1496 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1497 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	1498 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	1499 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1500 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1501
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	1502 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	1503 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1504 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	1505 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	1506 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	1507 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	1508 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	1509 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1510 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	1511 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1512 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	1513 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1514 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1515 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1516
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1517 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1518 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1519 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	1520 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	1521
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1522 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1523 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1524 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	1525 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	1526 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1527 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1528 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1529 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1530 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1531 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1532 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1533 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1534 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1535 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1536 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1537 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1538 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	1539 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1540 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1541 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	1542 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1543 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	1544 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	1545 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1546 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1547 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1548 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1549 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	1550 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1551 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1552 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	1553 /* 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	1554 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1555 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1556 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1557 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1558 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1559 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	1560 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1561 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1562 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	1563 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	1564 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	1565 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1566 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1567 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	1568 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	1569 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	1570 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1571 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1572 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	1573 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1574 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1575 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1576 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1577 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1578 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	1579 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1580 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1581
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	1582 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	1583 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1584 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	1585 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1586 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1587 int incy, incx;
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 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1590 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1591 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	1592 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	1593
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1594 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1595 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1596 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	1597 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	1598 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1599 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1600 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1601 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1602 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1603 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1604 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1605 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1606 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1607 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1608 posx -= 0x10000L;
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 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	1611 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1612 dst = src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1613 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1614 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1615 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1616 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1617 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	1618 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1619 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1620
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	1621 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	1622 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1623 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	1624 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1625 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	1626 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1627 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	1628
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1629 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1630 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	1631 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	1632 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	1633 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1634 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1635 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	1636 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1637 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	1638 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	1639 /* 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	1640 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1641 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1642 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1643 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1644 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1645 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	1646 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1647 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1648 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	1649 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	1650 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	1651 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1652 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1653 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	1654 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	1655 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	1656 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1657 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1658 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	1659 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1660 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1661 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1662 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1663 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	1664 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	1665 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1666 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1667
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	1668 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	1669 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1670 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	1671 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1672 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	1673 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1674 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	1675 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1676 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1677 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1678
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1679 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1680 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1681 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	1682 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	1683
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1684 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1685 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1686 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	1687 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	1688 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1689 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1690 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1691 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1692 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1693 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1694 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1695 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1696 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1697 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1698 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1699 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1700 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	1701 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1702 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1703 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	1704 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1705 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	1706 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	1707 /* 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	1708 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1709 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1710 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1711 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1712 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1713 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	1714 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1715 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1716 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	1717 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	1718 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	1719 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1720 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1721 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	1722 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	1723 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	1724 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1725 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1726 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	1727 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1728 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1729 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1730 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1731 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1732 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	1733 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1734 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1735
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	1736 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	1737 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1738 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	1739 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	1740 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	1741 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	1742 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	1743 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1744 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	1745
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1746 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1747 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	1748 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	1749 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	1750 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1751 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1752 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	1753 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	1754 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1755 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1756 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1757 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1758 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	1759 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1760 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1761 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	1762 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1763 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1764 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1765 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1766 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	1767 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	1768 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1769 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1770
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	1771 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	1772 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1773 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	1774 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	1775 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	1776 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	1777 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	1778 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1779 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	1780 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1781 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1782 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1783
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1784 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1785 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1786 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	1787 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	1788
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1789 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1790 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1791 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	1792 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	1793 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1794 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1795 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1796 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1797 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1798 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1799 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1800 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1801 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1802 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1803 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1804 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1805 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	1806 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1807 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1808 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	1809 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	1810 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1811 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1812 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1813 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1814 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	1815 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1816 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1817 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	1818 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1819 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1820 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1821 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1822 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1823 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	1824 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1825 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1826
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	1827 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	1828 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1829 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	1830 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	1831 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	1832 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	1833 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	1834 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1835 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	1836 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1837 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	1838
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1839 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1840 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	1841 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	1842 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	1843 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1844 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1845 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	1846 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1847 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	1848 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	1849 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1850 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1851 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1852 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1853 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	1854 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1855 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1856 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	1857 /* 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	1858 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1859 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1860 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1861 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1862 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1863 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	1864 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1865 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1866 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	1867 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	1868 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	1869 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1870 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1871 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	1872 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	1873 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	1874 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1875 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1876 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	1877 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1878 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1879 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1880 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1881 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	1882 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	1883 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1884 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1885
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	1886 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	1887 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1888 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	1889 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	1890 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	1891 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	1892 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	1893 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1894 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	1895 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1896 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	1897 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1898 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1899 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1900
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1901 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1902 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1903 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	1904 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	1905
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1906 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1907 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1908 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	1909 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	1910 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1911 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1912 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1913 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1914 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1915 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1916 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1917 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1918 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1919 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1920 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1921 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1922 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	1923 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1924 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1925 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	1926 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1927 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	1928 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	1929 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1930 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1931 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1932 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1933 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	1934 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1935 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1936 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	1937 /* 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	1938 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1939 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1940 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1941 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1942 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1943 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	1944 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1945 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1946 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	1947 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	1948 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	1949 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1950 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1951 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	1952 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	1953 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	1954 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1955 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1956 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	1957 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1958 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1959 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1960 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1961 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1962 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	1963 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1964 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1965
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1966 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	1967 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1968 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1969 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1970 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1971 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1972 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1973 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1974
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1975 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1976 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1977 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	1978 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	1979
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1980 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1981 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1982 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1983 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1984 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1985 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1986 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1987 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1988 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1989 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1990 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1991 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1992 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1993 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1994 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1995 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1996 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	1997 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1998 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	1999 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	2000 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	2001 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2002 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2003 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2004 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2005 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2006 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2007 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2008 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2009
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2010 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	2011 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2012 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2013 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2014 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2015 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2016 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2017
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2018 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2019 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2020 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2021 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2022 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2023 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2024 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	2025 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2026 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	2027 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	2028 /* 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	2029 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2030 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2031 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2032 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2033 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2034 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	2035 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2036 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2037 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	2038 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	2039 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	2040 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2041 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2042 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	2043 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	2044 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	2045 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2046 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2047 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	2048 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2049 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2050 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2051 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2052 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2053 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2054 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2055 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2056
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2057 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	2058 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2059 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2060 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2061 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2062 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2063 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2064 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2065 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2066 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2067
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2068 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2069 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2070 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	2071 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	2072
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2073 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2074 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2075 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2076 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2077 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2078 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2079 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2080 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2081 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2082 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2083 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2084 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2085 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2086 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2087 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2088 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2089 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	2090 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2091 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2092 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	2093 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2094 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	2095 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	2096 /* 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	2097 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2098 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2099 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2100 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2101 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2102 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	2103 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2104 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2105 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	2106 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	2107 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	2108 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2109 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2110 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	2111 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	2112 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	2113 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2114 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2115 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	2116 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2117 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2118 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2119 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2120 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2121 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2122 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2123 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2124
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2125 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	2126 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2127 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2128 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2129 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2130 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2131 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2132 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2133 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2134
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2135 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2136 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2137 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2138 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2139 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2140 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2141 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	2142 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	2143 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2144 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2145 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2146 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2147 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	2148 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2149 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2150 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	2151 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2152 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2153 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2154 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2155 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2156 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2157 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2158 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2159
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2160 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	2161 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2162 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2163 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2164 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2165 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2166 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2167 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2168 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2169 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2170 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2171 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2172
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2173 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2174 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2175 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	2176 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	2177
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2178 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2179 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2180 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2181 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2182 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2183 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2184 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2185 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2186 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2187 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2188 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2189 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2190 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2191 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2192 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2193 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2194 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	2195 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2196 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2197 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	2198 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	2199 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2200 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2201 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2202 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2203 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	2204 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2205 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2206 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	2207 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2208 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2209 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2210 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2211 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2212 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2213 }
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
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2216 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	2217 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2218 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2219 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2220 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2221 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2222 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2223 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2224 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2225 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2226 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2227
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2228 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2229 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2230 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2231 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2232 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2233 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2234 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	2235 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2236 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	2237 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	2238 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2239 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2240 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2241 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2242 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	2243 srcA = (srcA * modulateA) / 255;
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 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	2246 /* 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	2247 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2248 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2249 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2250 srcB = (srcB * srcA) / 255;
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 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	2253 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2254 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2255 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	2256 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	2257 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	2258 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2259 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2260 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	2261 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	2262 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	2263 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2264 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2265 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	2266 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2267 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2268 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2269 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2270 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2271 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2272 }
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 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	2276 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2277 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2278 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2279 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2280 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2281 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2282 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2283 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2284 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2285 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2286 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2287 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2288 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2289
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2290 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2291 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2292 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	2293 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	2294
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2295 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2296 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2297 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2298 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2299 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2300 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2301 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2302 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2303 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2304 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2305 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2306 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2307 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2308 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2309 posx -= 0x10000L;
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 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	2312 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2313 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2314 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	2315 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2316 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	2317 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	2318 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2319 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2320 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2321 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2322 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	2323 srcA = (srcA * modulateA) / 255;
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 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	2326 /* 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	2327 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2328 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2329 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2330 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2331 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2332 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	2333 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2334 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2335 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	2336 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	2337 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	2338 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2339 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2340 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	2341 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	2342 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	2343 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2344 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2345 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	2346 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2347 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2348 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2349 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2350 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2351 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	2352 }
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
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	2355 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	2356 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2357 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	2358 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2359 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	2360 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2361 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2362 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2363
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2364 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2365 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2366 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	2367 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	2368
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2369 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2370 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2371 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	2372 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	2373 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2374 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2375 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2376 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2377 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2378 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2379 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2380 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2381 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2382 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2383 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2384 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2385 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	2386 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2387 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2388 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	2389 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	2390 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2391 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2392 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2393 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2394 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2395 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	2396 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2397 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2398
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	2399 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	2400 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2401 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	2402 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2403 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	2404 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2405 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	2406
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2407 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2408 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	2409 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	2410 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	2411 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2412 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2413 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	2414 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2415 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	2416 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	2417 /* 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	2418 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2419 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2420 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2421 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2422 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2423 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	2424 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2425 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2426 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	2427 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	2428 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	2429 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2430 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2431 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	2432 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	2433 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	2434 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2435 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2436 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	2437 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2438 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2439 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2440 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2441 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	2442 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	2443 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2444 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2445
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	2446 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	2447 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2448 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	2449 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2450 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	2451 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2452 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	2453 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2454 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2455 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2456
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2457 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2458 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2459 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	2460 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	2461
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2462 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2463 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2464 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	2465 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	2466 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2467 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2468 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2469 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2470 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2471 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2472 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2473 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2474 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2475 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2476 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2477 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2478 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	2479 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2480 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2481 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	2482 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2483 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	2484 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	2485 /* 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	2486 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2487 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2488 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2489 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2490 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2491 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	2492 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2493 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2494 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	2495 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	2496 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	2497 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2498 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2499 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	2500 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	2501 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	2502 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2503 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2504 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	2505 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2506 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2507 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2508 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2509 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2510 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	2511 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2512 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2513
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	2514 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	2515 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2516 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	2517 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	2518 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	2519 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	2520 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	2521 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2522 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	2523
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2524 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2525 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	2526 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	2527 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	2528 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2529 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2530 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	2531 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	2532 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2533 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2534 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2535 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2536 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	2537 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2538 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2539 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	2540 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2541 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2542 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2543 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2544 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	2545 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	2546 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2547 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2548
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	2549 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	2550 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2551 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	2552 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	2553 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	2554 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	2555 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	2556 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2557 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	2558 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2559 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2560 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2561
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2562 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2563 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2564 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	2565 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	2566
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2567 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2568 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2569 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	2570 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	2571 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2572 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2573 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2574 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2575 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2576 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2577 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2578 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2579 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2580 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2581 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2582 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2583 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	2584 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2585 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2586 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	2587 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	2588 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2589 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2590 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2591 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2592 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	2593 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2594 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2595 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	2596 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2597 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2598 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2599 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2600 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2601 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	2602 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2603 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2604
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	2605 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	2606 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2607 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	2608 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	2609 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	2610 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	2611 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	2612 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2613 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	2614 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2615 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	2616
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2617 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2618 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	2619 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	2620 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	2621 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2622 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2623 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	2624 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2625 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	2626 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	2627 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2628 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2629 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2630 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2631 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	2632 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2633 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2634 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	2635 /* 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	2636 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2637 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2638 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2639 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2640 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2641 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	2642 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2643 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2644 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	2645 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	2646 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	2647 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2648 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2649 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	2650 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	2651 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	2652 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2653 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2654 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	2655 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2656 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2657 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2658 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2659 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	2660 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	2661 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2662 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2663
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	2664 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	2665 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2666 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	2667 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	2668 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	2669 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	2670 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	2671 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2672 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	2673 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2674 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	2675 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2676 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2677 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2678
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2679 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2680 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2681 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	2682 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	2683
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2684 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2685 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2686 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	2687 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	2688 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2689 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2690 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2691 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2692 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2693 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2694 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2695 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2696 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2697 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2698 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2699 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2700 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	2701 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2702 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2703 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	2704 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2705 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	2706 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	2707 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2708 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2709 srcB = (srcB * modulateB) / 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 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	2712 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2713 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2714 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	2715 /* 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	2716 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2717 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2718 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2719 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2720 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2721 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	2722 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2723 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2724 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	2725 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	2726 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	2727 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2728 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2729 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	2730 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	2731 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	2732 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2733 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2734 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	2735 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2736 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2737 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2738 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2739 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2740 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	2741 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2742 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2743
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	2744 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	2745 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2746 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	2747 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2748 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	2749 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2750 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2751 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2752
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2753 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2754 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2755 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	2756 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	2757
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2758 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2759 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2760 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	2761 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	2762 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2763 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2764 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2765 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2766 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2767 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2768 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2769 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2770 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2771 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2772 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2773 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2774 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	2775 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2776 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2777 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	2778 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	2779 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2780 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2781 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2782 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2783 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2784 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	2785 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2786 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2787
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	2788 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	2789 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2790 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	2791 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2792 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	2793 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2794 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	2795
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2796 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2797 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	2798 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	2799 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	2800 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2801 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2802 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	2803 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2804 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	2805 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	2806 /* 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	2807 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2808 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2809 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2810 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2811 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2812 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	2813 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2814 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2815 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	2816 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	2817 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	2818 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2819 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2820 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	2821 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	2822 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	2823 break;
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 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	2826 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2827 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2828 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2829 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2830 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	2831 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	2832 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2833 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2834
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	2835 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	2836 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2837 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	2838 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2839 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	2840 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2841 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	2842 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2843 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2844 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2845
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2846 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2847 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2848 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	2849 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	2850
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2851 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2852 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2853 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	2854 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	2855 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2856 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2857 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2858 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2859 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2860 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2861 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2862 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2863 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2864 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2865 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2866 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2867 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	2868 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2869 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2870 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	2871 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2872 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	2873 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	2874 /* 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	2875 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2876 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2877 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2878 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2879 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2880 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	2881 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2882 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2883 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	2884 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	2885 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	2886 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2887 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2888 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	2889 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	2890 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	2891 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2892 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2893 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	2894 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2895 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2896 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2897 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2898 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2899 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	2900 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2901 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2902
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	2903 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	2904 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2905 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	2906 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	2907 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	2908 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	2909 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	2910 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2911 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	2912
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2913 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2914 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	2915 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	2916 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	2917 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2918 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2919 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	2920 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	2921 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2922 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2923 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2924 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2925 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	2926 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2927 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2928 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	2929 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2930 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2931 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2932 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2933 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	2934 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	2935 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2936 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2937
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	2938 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	2939 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2940 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	2941 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	2942 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	2943 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	2944 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	2945 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2946 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	2947 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2948 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2949 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2950
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2951 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2952 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2953 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	2954 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	2955
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2956 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2957 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2958 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	2959 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	2960 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2961 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2962 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2963 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2964 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2965 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2966 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2967 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2968 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2969 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2970 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2971 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2972 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	2973 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2974 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2975 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	2976 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	2977 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2978 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2979 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2980 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2981 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	2982 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2983 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2984 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	2985 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2986 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2987 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2988 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2989 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2990 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	2991 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2992 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2993
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	2994 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	2995 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2996 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	2997 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	2998 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	2999 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	3000 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	3001 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3002 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	3003 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3004 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	3005
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3006 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3007 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	3008 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	3009 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	3010 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3011 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3012 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	3013 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3014 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	3015 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	3016 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3017 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3018 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3019 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3020 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	3021 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3022 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3023 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	3024 /* 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	3025 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3026 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3027 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3028 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3029 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3030 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	3031 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3032 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3033 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	3034 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	3035 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	3036 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3037 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3038 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	3039 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	3040 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	3041 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3042 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3043 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	3044 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3045 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3046 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3047 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3048 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	3049 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	3050 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3051 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3052
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	3053 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	3054 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3055 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	3056 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	3057 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	3058 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	3059 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	3060 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3061 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	3062 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3063 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	3064 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3065 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3066 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3067
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3068 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3069 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3070 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	3071 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	3072
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3073 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3074 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3075 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	3076 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	3077 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3078 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3079 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3080 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3081 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3082 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3083 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3084 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3085 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3086 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3087 posx -= 0x10000L;
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 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	3090 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3091 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3092 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	3093 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3094 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	3095 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	3096 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3097 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3098 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3099 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3100 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	3101 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3102 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3103 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	3104 /* 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	3105 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3106 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3107 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3108 srcB = (srcB * srcA) / 255;
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 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	3111 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3112 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3113 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	3114 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	3115 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	3116 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3117 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3118 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	3119 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	3120 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	3121 break;
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 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	3124 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3125 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3126 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3127 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3128 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3129 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	3130 }
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
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3133 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	3134 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3135 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3136 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3137 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3138 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3139
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3140 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3141 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3142 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	3143 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	3144
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3145 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3146 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3147 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3148 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3149 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3150 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3151 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3152 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3153 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3154 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3155 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3156 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3157 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3158 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3159 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3160 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3161 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	3162 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3163 dst = src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3164 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3165 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3166 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3167 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3168 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3169 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3170 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3171
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3172 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	3173 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3174 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3175 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3176 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3177 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3178 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3179
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3180 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3181 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3182 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3183 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3184 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3185 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3186 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	3187 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3188 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	3189 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	3190 /* 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	3191 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3192 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3193 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3194 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3195 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3196 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	3197 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3198 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3199 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	3200 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	3201 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	3202 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3203 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3204 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	3205 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	3206 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	3207 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3208 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3209 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	3210 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3211 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3212 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3213 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3214 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3215 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3216 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3217 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3218
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3219 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	3220 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3221 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3222 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3223 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3224 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3225 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3226 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3227 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3228 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3229
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3230 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3231 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3232 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	3233 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	3234
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3235 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3236 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3237 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3238 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3239 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3240 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3241 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3242 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3243 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3244 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3245 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3246 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3247 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3248 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3249 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3250 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3251 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	3252 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3253 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3254 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	3255 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3256 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	3257 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	3258 /* 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	3259 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3260 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3261 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3262 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3263 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3264 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	3265 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3266 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3267 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	3268 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	3269 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	3270 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3271 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3272 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	3273 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	3274 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	3275 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3276 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3277 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	3278 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3279 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3280 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3281 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3282 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3283 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3284 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3285 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3286
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3287 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	3288 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3289 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3290 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3291 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3292 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3293 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3294 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3295 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3296
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3297 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3298 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3299 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3300 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3301 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3302 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3303 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	3304 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	3305 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3306 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3307 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3308 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3309 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	3310 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3311 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3312 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	3313 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3314 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3315 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3316 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3317 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3318 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3319 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3320 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3321
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3322 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	3323 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3324 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3325 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3326 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3327 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3328 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3329 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3330 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3331 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3332 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3333 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3334
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3335 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3336 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3337 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	3338 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	3339
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3340 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3341 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3342 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3343 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3344 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3345 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3346 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3347 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3348 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3349 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3350 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3351 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3352 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3353 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3354 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3355 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3356 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	3357 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3358 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3359 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	3360 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	3361 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3362 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3363 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3364 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3365 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	3366 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3367 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3368 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	3369 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3370 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3371 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3372 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3373 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3374 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3375 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3376 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3377
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3378 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	3379 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3380 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3381 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3382 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3383 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3384 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3385 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3386 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3387 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3388 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3389
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3390 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3391 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3392 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3393 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3394 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3395 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3396 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	3397 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3398 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	3399 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	3400 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3401 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3402 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3403 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3404 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	3405 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3406 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3407 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	3408 /* 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	3409 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3410 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3411 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3412 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3413 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3414 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	3415 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3416 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3417 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	3418 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	3419 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	3420 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3421 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3422 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	3423 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	3424 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	3425 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3426 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3427 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	3428 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3429 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3430 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3431 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3432 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3433 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3434 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3435 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3436
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3437 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	3438 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3439 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3440 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3441 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3442 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3443 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3444 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3445 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3446 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3447 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3448 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3449 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3450 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3451
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3452 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3453 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3454 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	3455 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	3456
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3457 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3458 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3459 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3460 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3461 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3462 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3463 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3464 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3465 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3466 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3467 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3468 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3469 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3470 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3471 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3472 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3473 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	3474 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3475 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3476 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	3477 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3478 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	3479 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	3480 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3481 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3482 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3483 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3484 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	3485 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3486 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3487 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	3488 /* 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	3489 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3490 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3491 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3492 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3493 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3494 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	3495 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3496 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3497 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	3498 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	3499 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	3500 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3501 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3502 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	3503 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	3504 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	3505 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3506 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3507 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	3508 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3509 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3510 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3511 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3512 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3513 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3514 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3515 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	3516
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	3517 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	3518 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3519 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	3520 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3521 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	3522 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3523 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3524 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3525
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3526 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3527 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3528 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	3529 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	3530
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3531 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3532 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3533 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	3534 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	3535 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3536 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3537 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3538 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3539 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3540 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3541 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3542 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3543 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3544 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3545 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3546 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3547 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	3548 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3549 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3550 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	3551 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	3552 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3553 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3554 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3555 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3556 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3557 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	3558 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3559 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3560
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	3561 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	3562 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3563 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	3564 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3565 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	3566 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3567 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	3568
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3569 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3570 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	3571 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	3572 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	3573 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3574 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3575 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	3576 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3577 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	3578 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	3579 /* 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	3580 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3581 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3582 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3583 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3584 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3585 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	3586 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3587 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3588 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	3589 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	3590 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	3591 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3592 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3593 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	3594 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	3595 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	3596 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3597 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3598 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	3599 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3600 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3601 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3602 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3603 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	3604 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	3605 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3606 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3607
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	3608 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	3609 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3610 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	3611 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3612 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	3613 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3614 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	3615 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3616 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3617 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3618
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3619 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3620 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3621 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	3622 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	3623
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3624 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3625 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3626 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	3627 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	3628 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3629 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3630 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3631 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3632 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3633 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3634 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3635 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3636 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3637 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3638 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3639 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3640 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	3641 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3642 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3643 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	3644 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3645 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	3646 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	3647 /* 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	3648 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3649 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3650 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3651 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3652 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3653 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	3654 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3655 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3656 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	3657 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	3658 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	3659 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3660 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3661 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	3662 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	3663 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	3664 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3665 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3666 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	3667 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3668 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3669 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3670 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3671 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3672 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	3673 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3674 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3675
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	3676 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	3677 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3678 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	3679 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	3680 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	3681 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	3682 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	3683 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3684 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	3685
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3686 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3687 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	3688 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	3689 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	3690 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3691 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3692 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	3693 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	3694 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3695 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3696 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3697 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3698 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	3699 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3700 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3701 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	3702 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3703 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3704 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3705 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3706 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	3707 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	3708 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3709 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3710
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	3711 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	3712 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3713 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	3714 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	3715 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	3716 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	3717 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	3718 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3719 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	3720 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3721 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3722 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3723
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3724 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3725 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3726 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	3727 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	3728
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3729 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3730 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3731 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	3732 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	3733 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3734 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3735 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3736 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3737 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3738 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3739 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3740 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3741 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3742 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3743 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3744 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3745 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	3746 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3747 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3748 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	3749 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	3750 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3751 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3752 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3753 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3754 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	3755 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3756 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3757 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	3758 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3759 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3760 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3761 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3762 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3763 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	3764 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3765 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3766
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	3767 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	3768 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3769 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	3770 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	3771 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	3772 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	3773 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	3774 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3775 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	3776 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3777 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	3778
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3779 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3780 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	3781 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	3782 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	3783 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3784 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3785 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	3786 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3787 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	3788 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	3789 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3790 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3791 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3792 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3793 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	3794 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3795 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3796 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	3797 /* 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	3798 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3799 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3800 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3801 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3802 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3803 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	3804 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3805 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3806 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	3807 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	3808 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	3809 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3810 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3811 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	3812 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	3813 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	3814 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3815 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3816 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	3817 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3818 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3819 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3820 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3821 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	3822 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	3823 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3824 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3825
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	3826 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	3827 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3828 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	3829 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	3830 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	3831 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	3832 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	3833 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3834 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	3835 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3836 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	3837 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3838 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3839 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3840
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3841 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3842 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3843 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	3844 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	3845
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3846 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3847 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3848 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	3849 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	3850 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3851 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3852 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3853 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3854 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3855 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3856 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3857 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3858 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3859 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3860 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3861 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3862 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	3863 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3864 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3865 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	3866 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3867 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	3868 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	3869 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3870 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3871 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3872 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3873 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	3874 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3875 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3876 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	3877 /* 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	3878 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3879 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3880 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3881 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3882 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3883 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	3884 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3885 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3886 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	3887 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	3888 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	3889 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3890 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3891 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	3892 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	3893 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	3894 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3895 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3896 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	3897 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3898 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3899 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3900 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3901 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3902 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	3903 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3904 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3905
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	3906 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	3907 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3908 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	3909 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3910 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	3911 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3912 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3913 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3914
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3915 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3916 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3917 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	3918 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	3919
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3920 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3921 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3922 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	3923 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	3924 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3925 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3926 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3927 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3928 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3929 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3930 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3931 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3932 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3933 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3934 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3935 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3936 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	3937 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3938 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3939 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	3940 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	3941 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3942 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3943 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3944 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3945 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3946 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	3947 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3948 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3949
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	3950 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	3951 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3952 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	3953 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3954 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	3955 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3956 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	3957
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3958 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3959 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	3960 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	3961 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	3962 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3963 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3964 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	3965 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3966 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	3967 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	3968 /* 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	3969 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3970 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3971 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3972 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3973 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3974 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	3975 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3976 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3977 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	3978 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	3979 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	3980 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3981 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3982 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	3983 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	3984 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	3985 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3986 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3987 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	3988 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3989 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3990 ++dst;
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 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	3993 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	3994 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3995 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3996
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	3997 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	3998 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3999 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	4000 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4001 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	4002 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4003 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	4004 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4005 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4006 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4007
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4008 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4009 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4010 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	4011 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	4012
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4013 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4014 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4015 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	4016 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	4017 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4018 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4019 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4020 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4021 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4022 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4023 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4024 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4025 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4026 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4027 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4028 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4029 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	4030 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4031 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4032 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	4033 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4034 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	4035 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	4036 /* 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	4037 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4038 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4039 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4040 srcB = (srcB * srcA) / 255;
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 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	4043 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4044 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4045 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	4046 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	4047 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	4048 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4049 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4050 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	4051 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	4052 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	4053 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4054 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4055 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	4056 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4057 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4058 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4059 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4060 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4061 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	4062 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4063 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4064
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	4065 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	4066 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4067 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	4068 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	4069 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	4070 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	4071 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	4072 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4073 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	4074
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4075 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4076 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	4077 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	4078 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	4079 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4080 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4081 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	4082 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	4083 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4084 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4085 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4086 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4087 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	4088 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4089 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4090 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	4091 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4092 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4093 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4094 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4095 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	4096 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	4097 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4098 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4099
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	4100 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	4101 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4102 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	4103 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	4104 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	4105 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	4106 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	4107 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4108 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	4109 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4110 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4111 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4112
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4113 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4114 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4115 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	4116 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	4117
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4118 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4119 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4120 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	4121 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	4122 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4123 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4124 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4125 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4126 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4127 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4128 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4129 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4130 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4131 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4132 posx -= 0x10000L;
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 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	4135 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4136 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4137 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	4138 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	4139 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4140 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4141 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4142 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4143 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	4144 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4145 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4146 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	4147 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4148 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4149 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4150 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4151 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4152 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	4153 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4154 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4155
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	4156 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	4157 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4158 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	4159 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	4160 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	4161 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	4162 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	4163 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4164 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	4165 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4166 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	4167
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4168 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4169 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	4170 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	4171 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	4172 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4173 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4174 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	4175 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4176 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	4177 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	4178 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4179 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4180 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4181 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4182 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	4183 srcA = (srcA * modulateA) / 255;
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 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	4186 /* 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	4187 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4188 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4189 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4190 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4191 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4192 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	4193 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4194 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4195 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	4196 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	4197 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	4198 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4199 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4200 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	4201 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	4202 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	4203 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4204 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4205 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	4206 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4207 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4208 ++dst;
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 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	4211 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	4212 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4213 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4214
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	4215 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	4216 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4217 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	4218 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	4219 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	4220 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	4221 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	4222 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4223 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	4224 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4225 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	4226 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4227 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4228 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4229
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4230 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4231 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4232 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	4233 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	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;
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 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4240 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4241 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4242 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4243 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4244 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4245 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4246 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4247 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4248 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4249 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4250 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4251 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	4252 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4253 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4254 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	4255 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4256 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	4257 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	4258 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4259 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4260 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4261 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4262 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	4263 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4264 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4265 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	4266 /* 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	4267 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4268 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4269 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4270 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4271 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4272 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	4273 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4274 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4275 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	4276 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	4277 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	4278 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4279 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4280 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	4281 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	4282 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	4283 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4284 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4285 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	4286 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4287 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4288 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4289 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4290 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4291 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	4292 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4293 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4294
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4295 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	4296 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4297 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4298 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4299 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4300 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4301 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4302 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4303
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4304 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4305 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4306 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	4307 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	4308
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4309 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4310 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4311 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4312 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4313 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4314 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4315 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4316 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4317 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4318 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4319 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4320 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4321 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4322 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4323 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4324 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4325 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	4326 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4327 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4328 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	4329 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	4330 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4331 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4332 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4333 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4334 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4335 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4336 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4337 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4338
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4339 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	4340 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4341 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4342 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4343 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4344 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4345 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4346
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4347 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4348 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4349 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4350 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4351 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4352 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4353 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	4354 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4355 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	4356 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	4357 /* 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	4358 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4359 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4360 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4361 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4362 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4363 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	4364 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4365 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4366 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	4367 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	4368 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	4369 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4370 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4371 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	4372 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	4373 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	4374 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4375 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4376 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	4377 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4378 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4379 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4380 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4381 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4382 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4383 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4384 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4385
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4386 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	4387 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4388 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4389 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4390 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4391 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4392 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4393 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4394 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4395 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4396
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4397 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4398 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4399 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	4400 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	4401
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4402 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4403 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4404 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4405 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4406 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4407 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4408 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4409 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4410 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4411 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4412 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4413 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4414 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4415 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4416 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4417 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4418 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	4419 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4420 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4421 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	4422 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4423 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	4424 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	4425 /* 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	4426 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4427 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4428 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4429 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4430 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4431 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	4432 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4433 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4434 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	4435 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	4436 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	4437 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4438 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4439 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	4440 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	4441 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	4442 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4443 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4444 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	4445 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4446 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4447 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4448 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4449 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4450 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4451 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4452 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4453
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4454 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	4455 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4456 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4457 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4458 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4459 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4460 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4461 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4462 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4463
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4464 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4465 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4466 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4467 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4468 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4469 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4470 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	4471 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	4472 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4473 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4474 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4475 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4476 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	4477 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4478 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4479 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	4480 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4481 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4482 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4483 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4484 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4485 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4486 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4487 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4488
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4489 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	4490 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4491 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4492 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4493 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4494 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4495 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4496 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4497 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4498 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4499 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4500 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4501
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4502 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4503 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4504 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	4505 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	4506
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4507 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4508 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4509 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4510 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4511 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4512 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4513 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4514 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4515 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4516 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4517 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4518 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4519 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4520 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4521 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4522 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4523 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	4524 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4525 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4526 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	4527 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	4528 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4529 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4530 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4531 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4532 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	4533 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4534 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4535 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	4536 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4537 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4538 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4539 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4540 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4541 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4542 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4543 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4544
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4545 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	4546 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4547 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4548 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4549 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4550 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4551 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4552 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4553 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4554 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4555 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4556
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4557 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4558 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4559 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4560 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4561 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4562 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4563 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	4564 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4565 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	4566 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	4567 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4568 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4569 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4570 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4571 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	4572 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4573 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4574 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	4575 /* 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	4576 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4577 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4578 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4579 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4580 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4581 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	4582 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4583 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4584 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	4585 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	4586 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	4587 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4588 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4589 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	4590 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	4591 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	4592 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4593 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4594 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	4595 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4596 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4597 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4598 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4599 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4600 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4601 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4602 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4603
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4604 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	4605 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4606 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4607 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4608 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4609 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4610 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4611 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4612 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4613 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4614 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4615 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4616 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4617 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4618
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4619 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4620 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4621 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	4622 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	4623
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4624 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4625 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4626 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4627 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4628 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4629 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4630 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4631 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4632 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4633 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4634 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4635 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4636 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4637 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4638 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4639 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4640 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	4641 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4642 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4643 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	4644 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4645 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	4646 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	4647 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4648 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4649 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4650 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4651 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	4652 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4653 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4654 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	4655 /* 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	4656 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4657 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4658 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4659 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4660 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4661 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	4662 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4663 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4664 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	4665 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	4666 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	4667 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4668 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4669 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	4670 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	4671 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	4672 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4673 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4674 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	4675 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4676 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4677 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4678 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4679 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4680 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4681 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4682 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	4683
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	4684 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	4685 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4686 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	4687 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4688 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	4689 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4690 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4691 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4692
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4693 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4694 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4695 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	4696 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	4697
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4698 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4699 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4700 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	4701 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	4702 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4703 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4704 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4705 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4706 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4707 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4708 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4709 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4710 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4711 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4712 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4713 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4714 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	4715 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4716 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4717 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	4718 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	4719 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4720 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4721 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4722 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4723 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4724 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	4725 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4726 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4727
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	4728 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	4729 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4730 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	4731 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4732 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	4733 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4734 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	4735
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4736 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4737 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	4738 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	4739 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	4740 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4741 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4742 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	4743 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4744 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	4745 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	4746 /* 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	4747 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4748 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4749 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4750 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4751 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4752 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	4753 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4754 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4755 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	4756 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	4757 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	4758 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4759 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4760 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	4761 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	4762 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	4763 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4764 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4765 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	4766 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4767 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4768 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4769 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4770 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	4771 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	4772 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4773 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4774
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	4775 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	4776 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4777 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	4778 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4779 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	4780 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4781 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	4782 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4783 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4784 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4785
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4786 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4787 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4788 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	4789 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	4790
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4791 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4792 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4793 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	4794 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	4795 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4796 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4797 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4798 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4799 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4800 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4801 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4802 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4803 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4804 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4805 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4806 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4807 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	4808 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4809 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4810 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	4811 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4812 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	4813 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	4814 /* 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	4815 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4816 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4817 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4818 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4819 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4820 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	4821 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4822 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4823 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	4824 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	4825 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	4826 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4827 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4828 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	4829 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	4830 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	4831 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4832 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4833 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	4834 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4835 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4836 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4837 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4838 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4839 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	4840 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4841 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4842
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	4843 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	4844 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4845 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	4846 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	4847 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	4848 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	4849 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	4850 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4851 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	4852
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4853 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4854 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	4855 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	4856 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	4857 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4858 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4859 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	4860 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	4861 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4862 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4863 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4864 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4865 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	4866 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4867 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4868 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	4869 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4870 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4871 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4872 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4873 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	4874 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	4875 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4876 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4877
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	4878 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	4879 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4880 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	4881 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	4882 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	4883 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	4884 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	4885 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4886 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	4887 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4888 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4889 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4890
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4891 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4892 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4893 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	4894 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	4895
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4896 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4897 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4898 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	4899 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	4900 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4901 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4902 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4903 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4904 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4905 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4906 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4907 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4908 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4909 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4910 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4911 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4912 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	4913 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4914 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4915 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	4916 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	4917 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4918 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4919 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4920 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4921 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	4922 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4923 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4924 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	4925 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4926 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4927 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4928 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4929 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4930 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	4931 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4932 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4933
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	4934 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	4935 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4936 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	4937 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	4938 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	4939 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	4940 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	4941 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4942 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	4943 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4944 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	4945
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4946 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4947 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	4948 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	4949 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	4950 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4951 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4952 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	4953 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4954 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	4955 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	4956 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4957 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4958 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4959 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4960 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	4961 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4962 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4963 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	4964 /* 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	4965 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4966 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4967 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4968 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4969 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4970 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	4971 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4972 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4973 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	4974 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	4975 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	4976 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4977 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4978 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	4979 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	4980 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	4981 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4982 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4983 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	4984 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4985 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4986 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4987 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4988 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	4989 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	4990 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4991 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4992
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	4993 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	4994 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4995 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	4996 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	4997 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	4998 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	4999 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	5000 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5001 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	5002 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5003 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	5004 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5005 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5006 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5007
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5008 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5009 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5010 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	5011 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	5012
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5013 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5014 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5015 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	5016 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	5017 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5018 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5019 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5020 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5021 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5022 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5023 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5024 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5025 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5026 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5027 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5028 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5029 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	5030 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5031 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5032 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	5033 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5034 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	5035 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	5036 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5037 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5038 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5039 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5040 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	5041 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5042 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5043 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	5044 /* 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	5045 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5046 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5047 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5048 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5049 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5050 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	5051 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5052 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5053 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	5054 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	5055 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	5056 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5057 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5058 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	5059 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	5060 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	5061 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5062 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5063 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	5064 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5065 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5066 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5067 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5068 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5069 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	5070 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5071 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5072
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	5073 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	5074 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5075 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	5076 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5077 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	5078 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5079 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5080 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5081
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5082 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5083 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5084 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	5085 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	5086
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5087 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5088 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5089 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	5090 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	5091 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5092 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5093 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5094 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5095 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5096 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5097 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5098 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5099 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5100 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5101 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5102 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5103 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	5104 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5105 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5106 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	5107 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	5108 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5109 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5110 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5111 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5112 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5113 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	5114 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5115 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5116
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	5117 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	5118 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5119 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	5120 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5121 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	5122 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5123 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	5124
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5125 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5126 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	5127 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	5128 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	5129 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5130 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5131 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	5132 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5133 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	5134 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	5135 /* 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	5136 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5137 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5138 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5139 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5140 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5141 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	5142 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5143 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5144 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	5145 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	5146 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	5147 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5148 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5149 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	5150 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	5151 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	5152 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5153 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5154 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	5155 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5156 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5157 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5158 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5159 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	5160 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	5161 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5162 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5163
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	5164 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	5165 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5166 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	5167 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5168 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	5169 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5170 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	5171 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5172 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5173 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5174
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5175 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5176 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5177 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	5178 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	5179
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5180 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5181 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5182 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	5183 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	5184 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5185 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5186 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5187 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5188 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5189 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5190 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5191 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5192 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5193 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5194 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5195 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5196 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	5197 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5198 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5199 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	5200 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5201 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	5202 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	5203 /* 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	5204 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5205 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5206 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5207 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5208 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5209 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	5210 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5211 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5212 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	5213 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	5214 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	5215 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5216 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5217 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	5218 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	5219 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	5220 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5221 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5222 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	5223 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5224 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5225 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5226 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5227 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5228 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	5229 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5230 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5231
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	5232 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	5233 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5234 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	5235 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	5236 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	5237 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	5238 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	5239 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5240 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	5241
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5242 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5243 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	5244 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	5245 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	5246 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5247 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5248 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	5249 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	5250 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5251 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5252 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5253 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5254 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	5255 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5256 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5257 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	5258 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5259 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5260 ++dst;
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 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	5263 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	5264 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5265 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5266
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	5267 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	5268 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5269 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	5270 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	5271 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	5272 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	5273 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	5274 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5275 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	5276 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5277 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5278 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5279
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5280 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5281 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5282 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	5283 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	5284
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5285 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5286 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5287 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	5288 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	5289 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5290 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5291 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5292 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5293 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5294 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5295 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5296 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5297 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5298 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5299 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5300 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5301 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	5302 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5303 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5304 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	5305 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	5306 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5307 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5308 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5309 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5310 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	5311 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5312 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5313 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	5314 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5315 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5316 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5317 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5318 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5319 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	5320 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5321 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5322
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	5323 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	5324 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5325 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	5326 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	5327 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	5328 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	5329 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	5330 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5331 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	5332 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5333 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	5334
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5335 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5336 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	5337 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	5338 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	5339 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5340 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5341 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	5342 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5343 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	5344 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	5345 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5346 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5347 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5348 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5349 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	5350 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5351 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5352 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	5353 /* 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	5354 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5355 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5356 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5357 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5358 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5359 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	5360 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5361 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5362 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	5363 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	5364 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	5365 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5366 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5367 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	5368 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	5369 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	5370 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5371 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5372 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	5373 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5374 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5375 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5376 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5377 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	5378 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	5379 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5380 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5381
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	5382 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	5383 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5384 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	5385 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	5386 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	5387 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	5388 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	5389 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5390 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	5391 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5392 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	5393 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5394 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5395 int incy, incx;
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 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5398 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5399 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	5400 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	5401
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5402 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5403 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5404 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	5405 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	5406 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5407 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5408 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5409 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5410 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5411 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5412 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5413 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5414 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5415 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5416 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5417 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5418 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	5419 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5420 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5421 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	5422 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5423 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	5424 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	5425 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5426 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5427 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5428 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5429 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	5430 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5431 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5432 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	5433 /* 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	5434 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5435 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5436 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5437 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5438 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5439 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	5440 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5441 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5442 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	5443 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	5444 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	5445 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5446 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5447 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	5448 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	5449 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	5450 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5451 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5452 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	5453 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5454 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5455 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5456 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5457 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5458 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	5459 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5460 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5461
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5462 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	5463 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5464 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5465 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5466 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5467 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5468 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5469 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5470
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5471 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5472 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5473 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	5474 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	5475
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5476 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5477 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5478 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5479 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5480 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5481 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5482 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5483 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5484 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5485 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5486 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5487 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5488 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5489 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5490 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5491 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5492 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	5493 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5494 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5495 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	5496 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	5497 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5498 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5499 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5500 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5501 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5502 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5503 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5504 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5505
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5506 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	5507 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5508 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5509 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5510 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5511 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5512 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5513
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5514 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5515 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5516 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5517 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5518 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5519 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5520 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	5521 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5522 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	5523 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	5524 /* 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	5525 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5526 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5527 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5528 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5529 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5530 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	5531 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5532 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5533 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	5534 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	5535 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	5536 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5537 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5538 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	5539 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	5540 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	5541 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5542 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5543 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	5544 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5545 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5546 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5547 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5548 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5549 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5550 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5551 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5552
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5553 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	5554 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5555 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5556 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5557 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5558 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5559 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5560 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5561 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5562 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5563
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5564 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5565 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5566 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	5567 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	5568
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5569 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5570 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5571 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5572 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5573 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5574 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5575 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5576 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5577 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5578 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5579 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5580 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5581 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5582 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5583 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5584 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5585 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	5586 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5587 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5588 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	5589 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5590 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	5591 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	5592 /* 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	5593 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5594 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5595 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5596 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5597 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5598 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	5599 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5600 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5601 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	5602 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	5603 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	5604 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5605 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5606 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	5607 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	5608 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	5609 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5610 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5611 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	5612 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5613 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5614 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5615 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5616 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5617 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5618 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5619 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5620
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5621 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	5622 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5623 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5624 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5625 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5626 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5627 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5628 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5629 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5630
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5631 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5632 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5633 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5634 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5635 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5636 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5637 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	5638 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	5639 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5640 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5641 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5642 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5643 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	5644 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5645 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5646 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	5647 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5648 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5649 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5650 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5651 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5652 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5653 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5654 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5655
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5656 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	5657 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5658 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5659 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5660 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5661 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5662 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5663 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5664 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5665 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5666 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5667 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5668
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5669 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5670 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5671 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	5672 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	5673
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5674 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5675 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5676 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5677 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5678 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5679 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5680 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5681 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5682 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5683 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5684 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5685 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5686 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5687 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5688 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5689 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5690 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	5691 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5692 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5693 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	5694 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	5695 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5696 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5697 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5698 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5699 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	5700 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5701 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5702 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	5703 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5704 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5705 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5706 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5707 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5708 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5709 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5710 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5711
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5712 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	5713 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5714 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5715 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5716 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5717 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5718 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5719 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5720 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5721 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5722 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5723
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5724 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5725 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5726 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5727 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5728 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5729 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5730 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	5731 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5732 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	5733 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	5734 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5735 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5736 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5737 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5738 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	5739 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5740 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5741 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	5742 /* 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	5743 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5744 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5745 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5746 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5747 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5748 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	5749 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5750 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5751 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	5752 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	5753 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	5754 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5755 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5756 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	5757 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	5758 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	5759 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5760 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5761 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	5762 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5763 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5764 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5765 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5766 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5767 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5768 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5769 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5770
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5771 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	5772 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5773 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5774 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5775 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5776 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5777 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5778 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5779 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5780 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5781 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5782 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5783 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5784 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5785
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5786 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5787 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5788 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	5789 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	5790
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5791 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5792 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5793 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5794 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5795 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5796 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5797 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5798 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5799 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5800 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5801 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5802 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5803 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5804 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5805 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5806 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5807 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	5808 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5809 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5810 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	5811 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5812 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	5813 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	5814 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5815 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5816 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5817 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5818 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	5819 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5820 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5821 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	5822 /* 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	5823 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5824 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5825 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5826 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5827 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5828 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	5829 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5830 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5831 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	5832 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	5833 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	5834 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5835 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5836 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	5837 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	5838 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	5839 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5840 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5841 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	5842 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5843 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5844 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5845 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5846 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5847 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5848 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5849 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	5850
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	5851 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	5852 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5853 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	5854 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5855 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	5856 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5857 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5858 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5859
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5860 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5861 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5862 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	5863 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	5864
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5865 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5866 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5867 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	5868 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	5869 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5870 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5871 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5872 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5873 posy -= 0x10000L;
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 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5876 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5877 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5878 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5879 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5880 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5881 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	5882 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5883 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5884 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	5885 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	5886 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5887 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5888 ++dst;
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 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5891 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	5892 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5893 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5894
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	5895 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	5896 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5897 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	5898 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5899 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	5900 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5901 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	5902
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5903 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5904 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	5905 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	5906 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	5907 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5908 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5909 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	5910 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5911 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	5912 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	5913 /* 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	5914 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5915 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5916 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5917 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5918 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5919 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	5920 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5921 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5922 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	5923 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	5924 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	5925 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5926 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5927 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	5928 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	5929 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	5930 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5931 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5932 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	5933 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5934 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5935 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5936 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5937 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	5938 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	5939 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5940 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5941
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	5942 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	5943 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5944 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	5945 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5946 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	5947 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5948 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	5949 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5950 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5951 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5952
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5953 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5954 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5955 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	5956 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	5957
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5958 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5959 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5960 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	5961 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	5962 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5963 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5964 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5965 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5966 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5967 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5968 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5969 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5970 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5971 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5972 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5973 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5974 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	5975 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5976 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5977 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	5978 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5979 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	5980 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	5981 /* 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	5982 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5983 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5984 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5985 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5986 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5987 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	5988 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5989 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5990 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	5991 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	5992 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	5993 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5994 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5995 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	5996 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	5997 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	5998 break;
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 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	6001 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6002 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6003 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6004 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6005 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6006 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	6007 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6008 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6009
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	6010 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	6011 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6012 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	6013 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	6014 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	6015 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	6016 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	6017 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6018 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	6019
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6020 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6021 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	6022 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	6023 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	6024 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6025 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6026 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	6027 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	6028 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6029 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6030 B = (B * modulateB) / 255;
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 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	6033 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6034 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6035 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	6036 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6037 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6038 ++dst;
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 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	6041 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	6042 }
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
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	6045 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	6046 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6047 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	6048 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	6049 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	6050 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	6051 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	6052 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6053 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	6054 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6055 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6056 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6057
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6058 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6059 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6060 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	6061 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	6062
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6063 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6064 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6065 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	6066 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	6067 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6068 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6069 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6070 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6071 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6072 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6073 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6074 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6075 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6076 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6077 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6078 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6079 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	6080 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6081 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6082 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	6083 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	6084 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6085 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6086 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6087 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6088 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	6089 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6090 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6091 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	6092 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6093 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6094 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6095 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6096 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6097 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	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
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	6101 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	6102 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6103 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	6104 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	6105 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	6106 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	6107 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	6108 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6109 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	6110 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6111 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	6112
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6113 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6114 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	6115 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	6116 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	6117 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6118 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6119 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	6120 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6121 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	6122 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	6123 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6124 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6125 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6126 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6127 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	6128 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6129 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6130 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	6131 /* 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	6132 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6133 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6134 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6135 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6136 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6137 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	6138 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6139 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6140 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	6141 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	6142 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	6143 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6144 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6145 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	6146 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	6147 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	6148 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6149 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6150 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	6151 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6152 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6153 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6154 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6155 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	6156 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	6157 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6158 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6159
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	6160 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	6161 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6162 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	6163 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	6164 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	6165 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	6166 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	6167 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6168 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	6169 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6170 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	6171 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6172 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6173 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6174
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6175 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6176 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6177 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	6178 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	6179
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6180 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6181 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6182 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	6183 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	6184 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6185 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6186 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6187 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6188 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6189 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6190 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6191 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6192 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6193 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6194 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6195 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6196 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	6197 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6198 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6199 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	6200 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6201 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	6202 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	6203 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6204 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6205 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6206 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6207 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	6208 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6209 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6210 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	6211 /* 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	6212 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6213 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6214 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6215 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6216 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6217 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	6218 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6219 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6220 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	6221 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	6222 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	6223 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6224 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6225 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	6226 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	6227 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	6228 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6229 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6230 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	6231 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6232 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6233 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6234 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6235 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6236 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	6237 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6238 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6239
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	6240 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	6241 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6242 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	6243 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6244 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	6245 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6246 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6247 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6248
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6249 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6250 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6251 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	6252 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	6253
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6254 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6255 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6256 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	6257 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	6258 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6259 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6260 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6261 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6262 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6263 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6264 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6265 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6266 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6267 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6268 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6269 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6270 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	6271 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6272 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6273 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	6274 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	6275 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6276 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6277 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6278 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6279 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6280 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	6281 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6282 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6283
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	6284 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	6285 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6286 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	6287 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6288 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	6289 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6290 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	6291
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6292 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6293 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	6294 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	6295 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	6296 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6297 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6298 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	6299 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6300 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	6301 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	6302 /* 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	6303 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6304 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6305 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6306 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6307 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6308 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	6309 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6310 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6311 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	6312 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	6313 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	6314 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6315 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6316 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	6317 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	6318 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	6319 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6320 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6321 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	6322 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6323 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6324 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6325 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6326 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	6327 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	6328 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6329 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6330
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	6331 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	6332 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6333 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	6334 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6335 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	6336 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6337 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	6338 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6339 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6340 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6341
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6342 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6343 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6344 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	6345 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	6346
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6347 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6348 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6349 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	6350 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	6351 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6352 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6353 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6354 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6355 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6356 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6357 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6358 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6359 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6360 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6361 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6362 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6363 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	6364 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6365 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6366 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	6367 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6368 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	6369 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	6370 /* 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	6371 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6372 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6373 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6374 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6375 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6376 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	6377 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6378 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6379 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	6380 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	6381 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	6382 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6383 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6384 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	6385 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	6386 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	6387 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6388 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6389 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	6390 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6391 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6392 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6393 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6394 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6395 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	6396 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6397 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6398
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	6399 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	6400 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6401 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	6402 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	6403 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	6404 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	6405 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	6406 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6407 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	6408
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6409 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6410 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	6411 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	6412 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	6413 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6414 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6415 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	6416 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	6417 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6418 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6419 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6420 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6421 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	6422 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6423 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6424 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	6425 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6426 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6427 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6428 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6429 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	6430 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	6431 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6432 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6433
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	6434 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	6435 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6436 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	6437 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	6438 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	6439 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	6440 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	6441 Uint32 pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6442 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	6443 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6444 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6445 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6446
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6447 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6448 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6449 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	6450 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	6451
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6452 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6453 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6454 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	6455 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	6456 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6457 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6458 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6459 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6460 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6461 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6462 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6463 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6464 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6465 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6466 posx -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6467 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6468 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	6469 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6470 pixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6471 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	6472 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	6473 R = (R * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6474 G = (G * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6475 B = (B * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6476 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6477 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	6478 A = (A * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6479 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6480 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	6481 *dst = pixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6482 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6483 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6484 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6485 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6486 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	6487 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6488 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6489
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	6490 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	6491 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6492 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	6493 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	6494 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	6495 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	6496 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	6497 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6498 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	6499 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6500 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	6501
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6502 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6503 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	6504 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	6505 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	6506 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6507 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6508 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	6509 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6510 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	6511 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	6512 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6513 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6514 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6515 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6516 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	6517 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6518 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6519 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	6520 /* 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	6521 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6522 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6523 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6524 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6525 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6526 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	6527 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6528 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6529 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	6530 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	6531 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	6532 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6533 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6534 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	6535 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	6536 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	6537 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6538 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6539 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	6540 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6541 ++src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6542 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6543 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6544 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	6545 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	6546 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6547 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6548
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	6549 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	6550 {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6551 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	6552 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	6553 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	6554 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	6555 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	6556 Uint32 srcpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6557 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	6558 Uint32 dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6559 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	6560 int srcy, srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6561 int posy, posx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6562 int incy, incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6563
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6564 srcy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6565 posy = 0;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6566 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	6567 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	6568
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6569 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6570 Uint32 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6571 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	6572 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	6573 srcx = -1;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6574 posx = 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6575 while (posy >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6576 ++srcy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6577 posy -= 0x10000L;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6578 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6579 while (n--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6580 if (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6581 while (posx >= 0x10000L) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6582 ++srcx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6583 posx -= 0x10000L;
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 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	6586 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6587 srcpixel = *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6588 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	6589 dstpixel = *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6590 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	6591 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	6592 srcR = (srcR * modulateR) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6593 srcG = (srcG * modulateG) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6594 srcB = (srcB * modulateB) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6595 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6596 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	6597 srcA = (srcA * modulateA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6598 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6599 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	6600 /* 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	6601 if (srcA < 255) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6602 srcR = (srcR * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6603 srcG = (srcG * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6604 srcB = (srcB * srcA) / 255;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6605 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6606 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	6607 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6608 case SDL_COPY_BLEND:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6609 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	6610 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	6611 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	6612 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6613 case SDL_COPY_ADD:
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6614 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	6615 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	6616 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	6617 break;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6618 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6619 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	6620 *dst = dstpixel;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6621 posx += incx;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6622 ++dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6623 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6624 posy += incy;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6625 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	6626 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6627 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6628
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6629 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	6630 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6631 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6632 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6633 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6634 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6635 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6636 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6637
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6638 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6639 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6640 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	6641 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	6642
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6643 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6644 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6645 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6646 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6647 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6648 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6649 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6650 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6651 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6652 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6653 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6654 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6655 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6656 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6657 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6658 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6659 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	6660 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6661 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6662 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	6663 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	6664 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6665 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6666 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6667 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6668 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6669 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6670 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6671 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6672
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6673 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	6674 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6675 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6676 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6677 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6678 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6679 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6680
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6681 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6682 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6683 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6684 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6685 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6686 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6687 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	6688 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6689 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	6690 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	6691 /* 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	6692 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6693 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6694 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6695 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6696 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6697 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	6698 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6699 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6700 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	6701 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	6702 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	6703 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6704 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6705 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	6706 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	6707 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	6708 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6709 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6710 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	6711 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6712 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6713 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6714 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6715 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6716 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6717 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6718 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6719
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6720 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	6721 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6722 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6723 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6724 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6725 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6726 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6727 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6728 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6729 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6730
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6731 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6732 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6733 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	6734 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	6735
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6736 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6737 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6738 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6739 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6740 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6741 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6742 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6743 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6744 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6745 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6746 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6747 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6748 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6749 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6750 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6751 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6752 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	6753 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6754 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6755 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	6756 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6757 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	6758 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	6759 /* 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	6760 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6761 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6762 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6763 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6764 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6765 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	6766 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6767 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6768 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	6769 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	6770 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	6771 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6772 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6773 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	6774 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	6775 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	6776 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6777 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6778 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	6779 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6780 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6781 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6782 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6783 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6784 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6785 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6786 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6787
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6788 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	6789 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6790 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6791 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6792 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6793 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6794 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6795 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6796 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6797
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6798 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6799 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6800 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6801 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6802 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6803 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6804 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	6805 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	6806 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6807 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6808 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6809 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6810 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	6811 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6812 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6813 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	6814 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6815 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6816 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6817 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6818 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6819 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6820 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6821 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6822
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6823 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	6824 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6825 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6826 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6827 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6828 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6829 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6830 Uint32 pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6831 Uint32 R, G, B, A;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6832 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6833 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6834 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6835
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6836 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6837 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6838 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	6839 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	6840
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6841 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6842 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6843 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6844 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6845 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6846 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6847 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6848 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6849 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6850 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6851 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6852 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6853 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6854 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6855 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6856 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6857 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	6858 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6859 pixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6860 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	6861 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	6862 R = (R * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6863 G = (G * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6864 B = (B * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6865 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6866 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	6867 A = (A * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6868 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6869 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	6870 *dst = pixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6871 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6872 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6873 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6874 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6875 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6876 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6877 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6878
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6879 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	6880 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6881 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6882 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6883 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6884 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6885 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6886 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6887 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6888 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6889 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6890
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6891 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6892 Uint32 src = (Uint32 )info->src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6893 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6894 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6895 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6896 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6897 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	6898 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6899 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	6900 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	6901 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6902 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6903 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6904 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6905 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	6906 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6907 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6908 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	6909 /* 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	6910 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6911 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6912 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6913 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6914 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6915 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	6916 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6917 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6918 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	6919 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	6920 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	6921 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6922 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6923 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	6924 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	6925 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	6926 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6927 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6928 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	6929 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6930 ++src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6931 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6932 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6933 info->src += info->src_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6934 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6935 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6936 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6937
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6938 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	6939 {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6940 const int flags = info->flags;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6941 const Uint32 modulateR = info->r;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6942 const Uint32 modulateG = info->g;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6943 const Uint32 modulateB = info->b;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6944 const Uint32 modulateA = info->a;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6945 Uint32 srcpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6946 Uint32 srcR, srcG, srcB, srcA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6947 Uint32 dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6948 Uint32 dstR, dstG, dstB, dstA;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6949 int srcy, srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6950 int posy, posx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6951 int incy, incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6952
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6953 srcy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6954 posy = 0;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6955 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	6956 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	6957
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6958 while (info->dst_h--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6959 Uint32 *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6960 Uint32 dst = (Uint32 )info->dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6961 int n = info->dst_w;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6962 srcx = -1;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6963 posx = 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6964 while (posy >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6965 ++srcy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6966 posy -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6967 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6968 while (n--) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6969 if (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6970 while (posx >= 0x10000L) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6971 ++srcx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6972 posx -= 0x10000L;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6973 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6974 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	6975 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6976 srcpixel = *src;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6977 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	6978 dstpixel = *dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6979 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	6980 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	6981 srcR = (srcR * modulateR) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6982 srcG = (srcG * modulateG) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6983 srcB = (srcB * modulateB) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6984 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6985 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	6986 srcA = (srcA * modulateA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6987 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6988 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	6989 /* 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	6990 if (srcA < 255) {
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6991 srcR = (srcR * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6992 srcG = (srcG * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6993 srcB = (srcB * srcA) / 255;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6994 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6995 }
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	6996 switch (flags & (SDL_COPY_BLEND\|SDL_COPY_ADD)) {
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6997 case SDL_COPY_BLEND:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	6998 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	6999 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	7000 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	7001 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7002 case SDL_COPY_ADD:
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7003 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	7004 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	7005 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	7006 break;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7007 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7008 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	7009 *dst = dstpixel;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7010 posx += incx;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7011 ++dst;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7012 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7013 posy += incy;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7014 info->dst += info->dst_pitch;
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7015 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7016 }
8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7017
2267 c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	7018 SDL_BlitFuncEntry SDL_GeneratedBlitFuncTable[] = {
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7019 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Scale },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7020 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7021 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Blend_Scale },
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7022 { 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	7023 { 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 },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7024 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7025 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_RGB888_Modulate_Blend_Scale },
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7026 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Scale },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7027 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7028 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Blend_Scale },
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7029 { 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	7030 { 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 },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7031 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_RGB888_BGR888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7032 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD \| 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	7033 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_ARGB8888_Scale },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7034 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_RGB888_ARGB8888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7035 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGB888_ARGB8888_Blend_Scale },
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7036 { 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	7037 { 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 },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7038 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_RGB888_ARGB8888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7039 { SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD \| 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	7040 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Scale },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7041 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7042 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Blend_Scale },
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7043 { 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	7044 { 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 },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7045 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7046 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_RGB888_Modulate_Blend_Scale },
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7047 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Scale },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7048 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7049 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Blend_Scale },
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7050 { 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	7051 { 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 },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7052 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_BGR888_BGR888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7053 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD \| 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	7054 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_ARGB8888_Scale },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7055 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_BGR888_ARGB8888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7056 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGR888_ARGB8888_Blend_Scale },
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7057 { 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	7058 { 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 },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7059 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_BGR888_ARGB8888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7060 { SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD \| 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	7061 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Scale },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7062 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7063 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Blend_Scale },
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7064 { 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	7065 { 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 },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7066 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7067 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_RGB888_Modulate_Blend_Scale },
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7068 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Scale },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7069 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7070 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Blend_Scale },
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7071 { 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	7072 { 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 },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7073 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_ARGB8888_BGR888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7074 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD \| 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	7075 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Scale },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7076 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7077 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Blend_Scale },
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7078 { 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	7079 { 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 },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7080 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7081 { SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD \| 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	7082 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Scale },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7083 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7084 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Blend_Scale },
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7085 { 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	7086 { 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 },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7087 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7088 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_RGB888_Modulate_Blend_Scale },
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7089 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Scale },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7090 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7091 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Blend_Scale },
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7092 { 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	7093 { 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 },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7094 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_RGBA8888_BGR888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7095 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD \| 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	7096 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Scale },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7097 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7098 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Blend_Scale },
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7099 { 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	7100 { 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 },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7101 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7102 { SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD \| 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	7103 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Scale },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7104 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7105 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Blend_Scale },
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7106 { 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	7107 { 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 },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7108 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7109 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_RGB888_Modulate_Blend_Scale },
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7110 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Scale },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7111 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7112 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Blend_Scale },
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7113 { 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	7114 { 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 },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7115 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_ABGR8888_BGR888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7116 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD \| 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	7117 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Scale },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7118 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7119 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Blend_Scale },
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7120 { 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	7121 { 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 },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7122 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7123 { SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD \| 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	7124 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Scale },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7125 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7126 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Blend_Scale },
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7127 { 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	7128 { 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 },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7129 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7130 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_RGB888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_RGB888_Modulate_Blend_Scale },
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7131 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Scale },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7132 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7133 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Blend_Scale },
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7134 { 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	7135 { 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 },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7136 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_BGRA8888_BGR888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7137 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_BGR888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD \| 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	7138 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Scale },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7139 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7140 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Blend_Scale },
2800 8969da2ef606 Added ARGB8888 destination format (used on Mac OS X) Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	7141 { 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	7142 { 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 },
5143 e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7143 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Modulate_Blend },
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers. Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	7144 { SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA \| SDL_COPY_BLEND \| SDL_COPY_ADD \| 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	7145 { 0, 0, 0, 0, NULL }
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7146 };
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	7147
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7148 /* INDENT-ON */
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7149
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7150 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/video/SDL_blit_auto.c @ 5167:97423d858a1a