sdl-ios-xcode: src/video/SDL_blit

annotate src/video/SDL_blit_N.c @ 1047:ffaaf7ecf685

Altivec-optimized blitters! Vast majority of this work is compliments of Bob Ippolito. http://www.devolution.com/pipermail/sdl/2005-February/067466.html and many other posts.

author	Ryan C. Gordon <icculus@icculus.org>
date	Sun, 17 Apr 2005 10:19:22 +0000
parents	b8d311d90021
children	f596fa4f17a6

rev	line source
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1 /*
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2 SDL - Simple DirectMedia Layer
769 b8d311d90021 Updated copyright information for 2004 (Happy New Year!) Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	3 Copyright (C) 1997-2004 Sam Lantinga
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	4
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	5 This library is free software; you can redistribute it and/or
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	6 modify it under the terms of the GNU Library General Public
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	7 License as published by the Free Software Foundation; either
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	8 version 2 of the License, or (at your option) any later version.
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	9
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	13 Library General Public License for more details.
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	14
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	15 You should have received a copy of the GNU Library General Public
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	16 License along with this library; if not, write to the Free
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	18
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	19 Sam Lantinga
252 e8157fcb3114 Updated the source with the correct e-mail address Sam Lantinga <slouken@libsdl.org> parents: 91 diff changeset	20 slouken@libsdl.org
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	21 */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	22
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	23 #ifdef SAVE_RCSID
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	24 static char rcsid =
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	25 "@(#) $Id$";
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	26 #endif
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	27
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	28 #include <stdio.h>
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	29
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	30 #include "SDL_types.h"
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	31 #include "SDL_video.h"
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	32 #include "SDL_blit.h"
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	33 #include "SDL_byteorder.h"
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 431 diff changeset	34 #include "SDL_cpuinfo.h"
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	35
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	36 /* Functions to blit from N-bit surfaces to other surfaces */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	37
1047 ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	38 #ifdef USE_ALTIVEC_BLITTERS
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	39 #include <assert.h>
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	40 #ifdef MACOSX
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	41 #include <sys/sysctl.h>
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	42 #include <stdlib.h>
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	43 static size_t GetL3CacheSize( void )
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	44 {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	45 const char key[] = "hw.l3cachesize";
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	46 u_int64_t result = 0;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	47 size_t typeSize = sizeof( result );
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	48
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	49
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	50 int err = sysctlbyname( key, &result, &typeSize, NULL, 0 );
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	51 if( 0 != err ) return 0;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	52
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	53 return result;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	54 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	55 #else
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	56 static size_t GetL3CacheSize( void )
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	57 {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	58 /* XXX: Just guess G4 */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	59 return 2097152;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	60 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	61 #endif /* MACOSX */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	62
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	63 #define UNALIGNED_PTR(x) (((size_t) x) & 0x0000000F)
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	64 #define VSWIZZLE32(a,b,c,d) (vector unsigned char) \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	65 ( 0x00+a, 0x00+b, 0x00+c, 0x00+d, \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	66 0x04+a, 0x04+b, 0x04+c, 0x04+d, \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	67 0x08+a, 0x08+b, 0x08+c, 0x08+d, \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	68 0x0C+a, 0x0C+b, 0x0C+c, 0x0C+d )
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	69
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	70 #define MAKE8888(dstfmt, r, g, b, a) \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	71 ( ((r<<dstfmt->Rshift)&dstfmt->Rmask) \| \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	72 ((g<<dstfmt->Gshift)&dstfmt->Gmask) \| \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	73 ((b<<dstfmt->Bshift)&dstfmt->Bmask) \| \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	74 ((a<<dstfmt->Ashift)&dstfmt->Amask) )
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	75
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	76 /*
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	77 * Data Stream Touch...Altivec cache prefetching.
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	78 *
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	79 * Don't use this on a G5...however, the speed boost is very significant
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	80 * on a G4.
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	81 */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	82 #define DST_CHAN_SRC 1
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	83 #define DST_CHAN_DEST 2
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	84
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	85 /* macro to set DST control word value... */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	86 #define DST_CTRL(size, count, stride) \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	87 (((size) << 24) \| ((count) << 16) \| (stride))
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	88
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	89 #define VEC_ALIGNER(src) ((UNALIGNED_PTR(src)) \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	90 ? vec_lvsl(0, src) \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	91 : vec_add(vec_lvsl(8, src), vec_splat_u8(8)))
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	92
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	93 /* Calculate the permute vector used for 32->32 swizzling */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	94 static vector unsigned char calc_swizzle32(const SDL_PixelFormat *srcfmt,
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	95 const SDL_PixelFormat *dstfmt)
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	96 {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	97 /*
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	98 * We have to assume that the bits that aren't used by other
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	99 * colors is alpha, and it's one complete byte, since some formats
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	100 * leave alpha with a zero mask, but we should still swizzle the bits.
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	101 */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	102 /* ARGB */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	103 const static struct SDL_PixelFormat default_pixel_format = {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	104 NULL, 0, 0,
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	105 0, 0, 0, 0,
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	106 16, 8, 0, 24,
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	107 0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000,
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	108 0, 0};
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	109 if (!srcfmt) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	110 srcfmt = &default_pixel_format;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	111 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	112 if (!dstfmt) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	113 dstfmt = &default_pixel_format;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	114 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	115 vector unsigned char plus = (vector unsigned char)( 0x00, 0x00, 0x00, 0x00,
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	116 0x04, 0x04, 0x04, 0x04,
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	117 0x08, 0x08, 0x08, 0x08,
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	118 0x0C, 0x0C, 0x0C, 0x0C );
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	119 vector unsigned char vswiz;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	120 vector unsigned int srcvec;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	121 #define RESHIFT(X) (3 - ((X) >> 3))
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	122 Uint32 rmask = RESHIFT(srcfmt->Rshift) << (dstfmt->Rshift);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	123 Uint32 gmask = RESHIFT(srcfmt->Gshift) << (dstfmt->Gshift);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	124 Uint32 bmask = RESHIFT(srcfmt->Bshift) << (dstfmt->Bshift);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	125 Uint32 amask;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	126 /* Use zero for alpha if either surface doesn't have alpha */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	127 if (dstfmt->Amask) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	128 amask = ((srcfmt->Amask) ? RESHIFT(srcfmt->Ashift) : 0x10) << (dstfmt->Ashift);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	129 } else {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	130 amask = 0x10101010 & ((dstfmt->Rmask \| dstfmt->Gmask \| dstfmt->Bmask) ^ 0xFFFFFFFF);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	131 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	132 #undef RESHIFT
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	133 ((unsigned int *)&srcvec)[0] = (rmask \| gmask \| bmask \| amask);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	134 vswiz = vec_add(plus, (vector unsigned char)vec_splat(srcvec, 0));
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	135 return(vswiz);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	136 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	137
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	138 static void Blit_RGB888_RGB565(SDL_BlitInfo *info);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	139 static void Blit_RGB888_RGB565Altivec(SDL_BlitInfo *info) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	140 int height = info->d_height;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	141 Uint8 src = (Uint8 ) info->s_pixels;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	142 int srcskip = info->s_skip;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	143 Uint8 dst = (Uint8 ) info->d_pixels;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	144 int dstskip = info->d_skip;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	145 SDL_PixelFormat *srcfmt = info->src;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	146 vector unsigned char valpha = vec_splat_u8(0);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	147 vector unsigned char vpermute = calc_swizzle32(srcfmt, NULL);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	148 vector unsigned char vgmerge = (vector unsigned char)(
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	149 0x00, 0x02, 0x00, 0x06,
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	150 0x00, 0x0a, 0x00, 0x0e,
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	151 0x00, 0x12, 0x00, 0x16,
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	152 0x00, 0x1a, 0x00, 0x1e);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	153 vector unsigned short v1 = vec_splat_u16(1);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	154 vector unsigned short v3 = vec_splat_u16(3);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	155 vector unsigned short v3f = (vector unsigned short)(
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	156 0x003f, 0x003f, 0x003f, 0x003f,
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	157 0x003f, 0x003f, 0x003f, 0x003f);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	158 vector unsigned short vfc = (vector unsigned short)(
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	159 0x00fc, 0x00fc, 0x00fc, 0x00fc,
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	160 0x00fc, 0x00fc, 0x00fc, 0x00fc);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	161 vector unsigned short vf800 = (vector unsigned short)vec_splat_u8(-7);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	162 vf800 = vec_sl(vf800, vec_splat_u16(8));
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	163
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	164 while (height--) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	165 vector unsigned char valigner;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	166 vector unsigned char voverflow;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	167 vector unsigned char vsrc;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	168
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	169 int width = info->d_width;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	170 int extrawidth;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	171
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	172 /* do scalar until we can align... */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	173 #define ONE_PIXEL_BLEND(condition, widthvar) \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	174 while (condition) { \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	175 Uint32 pixel; \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	176 unsigned sR, sG, sB, sA; \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	177 DISEMBLE_RGBA((Uint8 *)src, 4, srcfmt, pixel, \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	178 sR, sG, sB, sA); \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	179 (Uint16 )(dst) = (((sR << 8) & 0x0000F800) \| \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	180 ((sG << 3) & 0x000007E0) \| \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	181 ((sB >> 3) & 0x0000001F)); \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	182 dst += 2; \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	183 src += 4; \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	184 widthvar--; \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	185 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	186
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	187 ONE_PIXEL_BLEND(((UNALIGNED_PTR(dst)) && (width)), width);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	188
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	189 /* After all that work, here's the vector part! */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	190 extrawidth = (width % 8); /* trailing unaligned stores */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	191 width -= extrawidth;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	192 vsrc = vec_ld(0, src);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	193 valigner = VEC_ALIGNER(src);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	194
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	195 while (width) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	196 vector unsigned short vpixel, vrpixel, vgpixel, vbpixel;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	197 vector unsigned int vsrc1, vsrc2;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	198 vector unsigned char vdst;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	199
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	200 voverflow = vec_ld(15, src);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	201 vsrc = vec_perm(vsrc, voverflow, valigner);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	202 vsrc1 = (vector unsigned int)vec_perm(vsrc, valpha, vpermute);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	203 src += 16;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	204 vsrc = voverflow;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	205 voverflow = vec_ld(15, src);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	206 vsrc = vec_perm(vsrc, voverflow, valigner);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	207 vsrc2 = (vector unsigned int)vec_perm(vsrc, valpha, vpermute);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	208 /* 1555 */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	209 vpixel = (vector unsigned short)vec_packpx(vsrc1, vsrc2);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	210 vgpixel = (vector unsigned short)vec_perm(vsrc1, vsrc2, vgmerge);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	211 vgpixel = vec_and(vgpixel, vfc);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	212 vgpixel = vec_sl(vgpixel, v3);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	213 vrpixel = vec_sl(vpixel, v1);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	214 vrpixel = vec_and(vrpixel, vf800);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	215 vbpixel = vec_and(vpixel, v3f);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	216 vdst = vec_or((vector unsigned char)vrpixel, (vector unsigned char)vgpixel);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	217 /* 565 */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	218 vdst = vec_or(vdst, (vector unsigned char)vbpixel);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	219 vec_st(vdst, 0, dst);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	220
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	221 width -= 8;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	222 src += 16;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	223 dst += 16;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	224 vsrc = voverflow;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	225 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	226
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	227 assert(width == 0);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	228
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	229
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	230 /* do scalar until we can align... */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	231 ONE_PIXEL_BLEND((extrawidth), extrawidth);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	232 #undef ONE_PIXEL_BLEND
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	233
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	234 src += srcskip; /* move to next row, accounting for pitch. */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	235 dst += dstskip;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	236 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	237
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	238
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	239 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	240
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	241 static void Blit_RGB565_32Altivec(SDL_BlitInfo *info) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	242 int height = info->d_height;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	243 Uint8 src = (Uint8 ) info->s_pixels;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	244 int srcskip = info->s_skip;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	245 Uint8 dst = (Uint8 ) info->d_pixels;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	246 int dstskip = info->d_skip;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	247 SDL_PixelFormat *srcfmt = info->src;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	248 SDL_PixelFormat *dstfmt = info->dst;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	249 unsigned alpha;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	250 vector unsigned char valpha;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	251 vector unsigned char vpermute;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	252 vector unsigned short vf800;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	253 vector unsigned int v8 = vec_splat_u32(8);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	254 vector unsigned int v16 = vec_add(v8, v8);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	255 vector unsigned short v2 = vec_splat_u16(2);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	256 vector unsigned short v3 = vec_splat_u16(3);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	257 /*
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	258 0x10 - 0x1f is the alpha
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	259 0x00 - 0x0e evens are the red
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	260 0x01 - 0x0f odds are zero
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	261 */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	262 vector unsigned char vredalpha1 = (vector unsigned char)(
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	263 0x10, 0x00, 0x01, 0x01,
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	264 0x10, 0x02, 0x01, 0x01,
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	265 0x10, 0x04, 0x01, 0x01,
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	266 0x10, 0x06, 0x01, 0x01
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	267 );
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	268 vector unsigned char vredalpha2 = (vector unsigned char)(
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	269 vec_add((vector unsigned int)vredalpha1, vec_sl(v8, v16))
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	270 );
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	271 /*
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	272 0x00 - 0x0f is ARxx ARxx ARxx ARxx
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	273 0x11 - 0x0f odds are blue
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	274 */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	275 vector unsigned char vblue1 = (vector unsigned char)(
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	276 0x00, 0x01, 0x02, 0x11,
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	277 0x04, 0x05, 0x06, 0x13,
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	278 0x08, 0x09, 0x0a, 0x15,
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	279 0x0c, 0x0d, 0x0e, 0x17
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	280 );
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	281 vector unsigned char vblue2 = (vector unsigned char)(
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	282 vec_add((vector unsigned int)vblue1, v8)
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	283 );
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	284 /*
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	285 0x00 - 0x0f is ARxB ARxB ARxB ARxB
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	286 0x10 - 0x0e evens are green
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	287 */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	288 vector unsigned char vgreen1 = (vector unsigned char)(
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	289 0x00, 0x01, 0x10, 0x03,
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	290 0x04, 0x05, 0x12, 0x07,
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	291 0x08, 0x09, 0x14, 0x0b,
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	292 0x0c, 0x0d, 0x16, 0x0f
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	293 );
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	294 vector unsigned char vgreen2 = (vector unsigned char)(
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	295 vec_add((vector unsigned int)vgreen1, vec_sl(v8, v8))
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	296 );
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	297
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	298
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	299 assert(srcfmt->BytesPerPixel == 2);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	300 assert(dstfmt->BytesPerPixel == 4);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	301
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	302 vf800 = (vector unsigned short)vec_splat_u8(-7);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	303 vf800 = vec_sl(vf800, vec_splat_u16(8));
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	304
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	305 if (dstfmt->Amask && srcfmt->alpha) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	306 ((unsigned char *)&valpha)[0] = alpha = srcfmt->alpha;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	307 valpha = vec_splat(valpha, 0);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	308 } else {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	309 alpha = 0;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	310 valpha = vec_splat_u8(0);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	311 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	312
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	313 vpermute = calc_swizzle32(NULL, dstfmt);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	314 while (height--) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	315 vector unsigned char valigner;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	316 vector unsigned char voverflow;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	317 vector unsigned char vsrc;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	318
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	319 int width = info->d_width;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	320 int extrawidth;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	321
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	322 /* do scalar until we can align... */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	323 #define ONE_PIXEL_BLEND(condition, widthvar) \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	324 while (condition) { \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	325 unsigned sR, sG, sB; \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	326 unsigned short pixel = ((unsigned short )src); \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	327 sR = (pixel >> 8) & 0xf8; \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	328 sG = (pixel >> 3) & 0xfc; \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	329 sB = (pixel << 3) & 0xf8; \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	330 ASSEMBLE_RGBA(dst, 4, dstfmt, sR, sG, sB, alpha); \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	331 src += 2; \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	332 dst += 4; \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	333 widthvar--; \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	334 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	335 ONE_PIXEL_BLEND(((UNALIGNED_PTR(dst)) && (width)), width);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	336
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	337 /* After all that work, here's the vector part! */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	338 extrawidth = (width % 8); /* trailing unaligned stores */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	339 width -= extrawidth;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	340 vsrc = vec_ld(0, src);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	341 valigner = VEC_ALIGNER(src);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	342
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	343 while (width) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	344 vector unsigned short vR, vG, vB;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	345 vector unsigned char vdst1, vdst2;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	346
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	347 voverflow = vec_ld(15, src);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	348 vsrc = vec_perm(vsrc, voverflow, valigner);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	349
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	350 vR = vec_and((vector unsigned short)vsrc, vf800);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	351 vB = vec_sl((vector unsigned short)vsrc, v3);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	352 vG = vec_sl(vB, v2);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	353
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	354 vdst1 = (vector unsigned char)vec_perm((vector unsigned char)vR, valpha, vredalpha1);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	355 vdst1 = vec_perm(vdst1, (vector unsigned char)vB, vblue1);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	356 vdst1 = vec_perm(vdst1, (vector unsigned char)vG, vgreen1);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	357 vdst1 = vec_perm(vdst1, valpha, vpermute);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	358 vec_st(vdst1, 0, dst);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	359
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	360 vdst2 = (vector unsigned char)vec_perm((vector unsigned char)vR, valpha, vredalpha2);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	361 vdst2 = vec_perm(vdst2, (vector unsigned char)vB, vblue2);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	362 vdst2 = vec_perm(vdst2, (vector unsigned char)vG, vgreen2);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	363 vdst2 = vec_perm(vdst2, valpha, vpermute);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	364 vec_st(vdst2, 16, dst);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	365
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	366 width -= 8;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	367 dst += 32;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	368 src += 16;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	369 vsrc = voverflow;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	370 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	371
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	372 assert(width == 0);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	373
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	374
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	375 /* do scalar until we can align... */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	376 ONE_PIXEL_BLEND((extrawidth), extrawidth);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	377 #undef ONE_PIXEL_BLEND
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	378
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	379 src += srcskip; /* move to next row, accounting for pitch. */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	380 dst += dstskip;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	381 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	382
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	383 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	384
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	385 static void BlitNtoNKey(SDL_BlitInfo *info);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	386 static void BlitNtoNKeyCopyAlpha(SDL_BlitInfo *info);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	387 static void Blit32to32KeyAltivec(SDL_BlitInfo *info)
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	388 {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	389 int height = info->d_height;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	390 Uint32 srcp = (Uint32 ) info->s_pixels;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	391 int srcskip = info->s_skip;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	392 Uint32 dstp = (Uint32 ) info->d_pixels;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	393 int dstskip = info->d_skip;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	394 SDL_PixelFormat *srcfmt = info->src;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	395 int srcbpp = srcfmt->BytesPerPixel;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	396 SDL_PixelFormat *dstfmt = info->dst;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	397 int dstbpp = dstfmt->BytesPerPixel;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	398 int copy_alpha = (srcfmt->Amask && dstfmt->Amask);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	399 unsigned alpha = dstfmt->Amask ? srcfmt->alpha : 0;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	400 Uint32 rgbmask = srcfmt->Rmask \| srcfmt->Gmask \| srcfmt->Bmask;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	401 Uint32 ckey = info->src->colorkey;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	402 vector unsigned int valpha;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	403 vector unsigned char vpermute;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	404 vector unsigned char vzero;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	405 vector unsigned int vckey;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	406 vector unsigned int vrgbmask;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	407 vpermute = calc_swizzle32(srcfmt, dstfmt);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	408 if (info->d_width < 16) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	409 if(copy_alpha) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	410 return BlitNtoNKeyCopyAlpha(info);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	411 } else {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	412 return BlitNtoNKey(info);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	413 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	414 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	415 vzero = vec_splat_u8(0);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	416 if (alpha) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	417 ((unsigned char *)&valpha)[0] = (unsigned char)alpha;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	418 valpha = (vector unsigned int)vec_splat((vector unsigned char)valpha, 0);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	419 } else {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	420 valpha = (vector unsigned int)vzero;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	421 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	422 ckey &= rgbmask;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	423 ((unsigned int *)&vckey)[0] = ckey;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	424 vckey = vec_splat(vckey, 0);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	425 ((unsigned int *)&vrgbmask)[0] = rgbmask;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	426 vrgbmask = vec_splat(vrgbmask, 0);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	427
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	428 while (height--) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	429 #define ONE_PIXEL_BLEND(condition, widthvar) \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	430 if (copy_alpha) { \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	431 while (condition) { \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	432 Uint32 pixel; \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	433 unsigned sR, sG, sB, sA; \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	434 DISEMBLE_RGBA((Uint8 *)srcp, srcbpp, srcfmt, pixel, \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	435 sR, sG, sB, sA); \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	436 if ( (pixel & rgbmask) != ckey ) { \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	437 ASSEMBLE_RGBA((Uint8 *)dstp, dstbpp, dstfmt, \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	438 sR, sG, sB, sA); \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	439 } \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	440 ((Uint8 *)dstp) += dstbpp; \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	441 ((Uint8 *)srcp) += srcbpp; \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	442 widthvar--; \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	443 } \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	444 } else { \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	445 while (condition) { \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	446 Uint32 pixel; \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	447 unsigned sR, sG, sB; \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	448 RETRIEVE_RGB_PIXEL((Uint8 *)srcp, srcbpp, pixel); \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	449 if ( pixel != ckey ) { \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	450 RGB_FROM_PIXEL(pixel, srcfmt, sR, sG, sB); \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	451 ASSEMBLE_RGBA((Uint8 *)dstp, dstbpp, dstfmt, \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	452 sR, sG, sB, alpha); \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	453 } \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	454 ((Uint8 *)dstp) += dstbpp; \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	455 ((Uint8 *)srcp) += srcbpp; \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	456 widthvar--; \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	457 } \
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	458 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	459 int width = info->d_width;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	460 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	461 assert(width > 0);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	462 if (width > 0) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	463 int extrawidth = (width % 4);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	464 vector unsigned char valigner = VEC_ALIGNER(srcp);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	465 vector unsigned int vs = vec_ld(0, srcp);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	466 width -= extrawidth;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	467 assert(width >= 4);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	468 while (width) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	469 vector unsigned char vsel;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	470 vector unsigned int vd;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	471 vector unsigned int voverflow = vec_ld(15, srcp);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	472 /* load the source vec */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	473 vs = vec_perm(vs, voverflow, valigner);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	474 /* vsel is set for items that match the key */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	475 vsel = (vector unsigned char)vec_and(vs, vrgbmask);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	476 vsel = (vector unsigned char)vec_cmpeq(vs, vckey);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	477 /* permute the src vec to the dest format */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	478 vs = vec_perm(vs, valpha, vpermute);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	479 /* load the destination vec */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	480 vd = vec_ld(0, dstp);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	481 /* select the source and dest into vs */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	482 vd = (vector unsigned int)vec_sel((vector unsigned char)vs, (vector unsigned char)vd, vsel);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	483
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	484 vec_st(vd, 0, dstp);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	485 srcp += 4;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	486 width -= 4;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	487 dstp += 4;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	488 vs = voverflow;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	489 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	490 ONE_PIXEL_BLEND((extrawidth), extrawidth);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	491 #undef ONE_PIXEL_BLEND
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	492 srcp += srcskip >> 2;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	493 dstp += dstskip >> 2;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	494 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	495 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	496 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	497
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	498 /* Altivec code to swizzle one 32-bit surface to a different 32-bit format. */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	499 /* Use this on a G5 */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	500 static void ConvertAltivec32to32_noprefetch(SDL_BlitInfo *info)
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	501 {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	502 int height = info->d_height;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	503 Uint32 src = (Uint32 ) info->s_pixels;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	504 int srcskip = info->s_skip;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	505 Uint32 dst = (Uint32 ) info->d_pixels;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	506 int dstskip = info->d_skip;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	507 SDL_PixelFormat *srcfmt = info->src;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	508 int srcbpp = srcfmt->BytesPerPixel;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	509 SDL_PixelFormat *dstfmt = info->dst;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	510 int dstbpp = dstfmt->BytesPerPixel;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	511 vector unsigned int vzero = vec_splat_u32(0);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	512 vector unsigned char vpermute = calc_swizzle32(srcfmt, dstfmt);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	513 if (dstfmt->Amask && !srcfmt->Amask) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	514 if (srcfmt->alpha) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	515 vector unsigned char valpha;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	516 ((unsigned char *)&valpha)[0] = srcfmt->alpha;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	517 vzero = (vector unsigned int)vec_splat(valpha, 0);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	518 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	519 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	520
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	521 assert(srcbpp == 4);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	522 assert(dstbpp == 4);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	523
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	524 while (height--) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	525 vector unsigned char valigner;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	526 vector unsigned int vbits;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	527 vector unsigned int voverflow;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	528 Uint32 bits;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	529 Uint8 r, g, b, a;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	530
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	531 int width = info->d_width;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	532 int extrawidth;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	533
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	534 /* do scalar until we can align... */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	535 while ((UNALIGNED_PTR(dst)) && (width)) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	536 bits = *(src++);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	537 RGBA_FROM_8888(bits, srcfmt, r, g, b, a);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	538 *(dst++) = MAKE8888(dstfmt, r, g, b, a);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	539 width--;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	540 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	541
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	542 /* After all that work, here's the vector part! */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	543 extrawidth = (width % 4);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	544 width -= extrawidth;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	545 valigner = VEC_ALIGNER(src);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	546 vbits = vec_ld(0, src);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	547
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	548 while (width) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	549 voverflow = vec_ld(15, src);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	550 src += 4;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	551 width -= 4;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	552 vbits = vec_perm(vbits, voverflow, valigner); /* src is ready. */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	553 vbits = vec_perm(vbits, vzero, vpermute); /* swizzle it. */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	554 vec_st(vbits, 0, dst); /* store it back out. */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	555 dst += 4;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	556 vbits = voverflow;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	557 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	558
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	559 assert(width == 0);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	560
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	561 /* cover pixels at the end of the row that didn't fit in 16 bytes. */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	562 while (extrawidth) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	563 bits = (src++); / max 7 pixels, don't bother with prefetch. */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	564 RGBA_FROM_8888(bits, srcfmt, r, g, b, a);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	565 *(dst++) = MAKE8888(dstfmt, r, g, b, a);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	566 extrawidth--;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	567 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	568
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	569 src += srcskip >> 2; /* move to next row, accounting for pitch. */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	570 dst += dstskip >> 2;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	571 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	572
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	573 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	574
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	575 /* Altivec code to swizzle one 32-bit surface to a different 32-bit format. */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	576 /* Use this on a G4 */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	577 static void ConvertAltivec32to32_prefetch(SDL_BlitInfo *info)
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	578 {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	579 const int scalar_dst_lead = sizeof (Uint32) * 4;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	580 const int vector_dst_lead = sizeof (Uint32) * 16;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	581
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	582 int height = info->d_height;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	583 Uint32 src = (Uint32 ) info->s_pixels;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	584 int srcskip = info->s_skip;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	585 Uint32 dst = (Uint32 ) info->d_pixels;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	586 int dstskip = info->d_skip;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	587 SDL_PixelFormat *srcfmt = info->src;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	588 int srcbpp = srcfmt->BytesPerPixel;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	589 SDL_PixelFormat *dstfmt = info->dst;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	590 int dstbpp = dstfmt->BytesPerPixel;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	591 vector unsigned int vzero = vec_splat_u32(0);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	592 vector unsigned char vpermute = calc_swizzle32(srcfmt, dstfmt);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	593 if (dstfmt->Amask && !srcfmt->Amask) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	594 if (srcfmt->alpha) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	595 vector unsigned char valpha;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	596 ((unsigned char *)&valpha)[0] = srcfmt->alpha;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	597 vzero = (vector unsigned int)vec_splat(valpha, 0);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	598 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	599 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	600
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	601 assert(srcbpp == 4);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	602 assert(dstbpp == 4);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	603
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	604 while (height--) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	605 vector unsigned char valigner;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	606 vector unsigned int vbits;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	607 vector unsigned int voverflow;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	608 Uint32 bits;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	609 Uint8 r, g, b, a;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	610
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	611 int width = info->d_width;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	612 int extrawidth;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	613
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	614 /* do scalar until we can align... */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	615 while ((UNALIGNED_PTR(dst)) && (width)) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	616 vec_dstt(src+scalar_dst_lead, DST_CTRL(2,32,1024), DST_CHAN_SRC);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	617 vec_dstst(dst+scalar_dst_lead, DST_CTRL(2,32,1024), DST_CHAN_DEST);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	618 bits = *(src++);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	619 RGBA_FROM_8888(bits, srcfmt, r, g, b, a);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	620 *(dst++) = MAKE8888(dstfmt, r, g, b, a);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	621 width--;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	622 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	623
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	624 /* After all that work, here's the vector part! */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	625 extrawidth = (width % 4);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	626 width -= extrawidth;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	627 valigner = VEC_ALIGNER(src);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	628 vbits = vec_ld(0, src);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	629
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	630 while (width) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	631 vec_dstt(src+vector_dst_lead, DST_CTRL(2,32,1024), DST_CHAN_SRC);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	632 vec_dstst(dst+vector_dst_lead, DST_CTRL(2,32,1024), DST_CHAN_DEST);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	633 voverflow = vec_ld(15, src);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	634 src += 4;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	635 width -= 4;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	636 vbits = vec_perm(vbits, voverflow, valigner); /* src is ready. */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	637 vbits = vec_perm(vbits, vzero, vpermute); /* swizzle it. */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	638 vec_st(vbits, 0, dst); /* store it back out. */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	639 dst += 4;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	640 vbits = voverflow;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	641 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	642
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	643 assert(width == 0);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	644
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	645 /* cover pixels at the end of the row that didn't fit in 16 bytes. */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	646 while (extrawidth) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	647 bits = (src++); / max 7 pixels, don't bother with prefetch. */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	648 RGBA_FROM_8888(bits, srcfmt, r, g, b, a);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	649 *(dst++) = MAKE8888(dstfmt, r, g, b, a);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	650 extrawidth--;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	651 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	652
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	653 src += srcskip >> 2; /* move to next row, accounting for pitch. */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	654 dst += dstskip >> 2;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	655 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	656
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	657 vec_dss(DST_CHAN_SRC);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	658 vec_dss(DST_CHAN_DEST);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	659 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	660
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	661 static Uint32 GetBlitFeatures( void )
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	662 {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	663 static Uint32 features = 0xffffffff;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	664 if (features == 0xffffffff) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	665 /* Provide an override for testing .. */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	666 char *override = getenv("SDL_ALTIVEC_BLIT_FEATURES");
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	667 if (override) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	668 features = 0;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	669 sscanf(override, "%u", &features);
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	670 } else {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	671 features = ( 0
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	672 /* Feature 1 is has-MMX */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	673 \| ((SDL_HasMMX()) ? 1 : 0)
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	674 /* Feature 2 is has-AltiVec */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	675 \| ((SDL_HasAltiVec()) ? 2 : 0)
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	676 /* Feature 4 is dont-use-prefetch */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	677 \| ((GetL3CacheSize() == 0) ? 4 : 0)
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	678 );
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	679 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	680 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	681 return features;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	682 }
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	683 #else
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	684 /* Feature 1 is has-MMX */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	685 #define GetBlitFeatures() ((Uint32)(SDL_HasMMX() ? 1 : 0))
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	686 #endif
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	687
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	688 #ifdef USE_ASMBLIT
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	689
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	690 /* Heheheh, we coerce Hermes into using SDL blit information */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	691 #define X86_ASSEMBLER
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	692 #define HermesConverterInterface SDL_BlitInfo
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	693 #define HermesClearInterface void
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	694 #define STACKCALL
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	695
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	696 #include "HeadMMX.h"
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	697 #include "HeadX86.h"
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	698
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	699 #else
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	700
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	701 /* This is now endian dependent */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	702 #if ( SDL_BYTEORDER == SDL_LIL_ENDIAN )
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	703 #define HI 1
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	704 #define LO 0
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	705 #else /* ( SDL_BYTEORDER == SDL_BIG_ENDIAN ) */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	706 #define HI 0
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	707 #define LO 1
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	708 #endif
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	709
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	710 /* Special optimized blit for RGB 8-8-8 --> RGB 3-3-2 */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	711 #define RGB888_RGB332(dst, src) { \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	712 dst = (((src)&0x00E00000)>>16)\| \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	713 (((src)&0x0000E000)>>11)\| \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	714 (((src)&0x000000C0)>>6); \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	715 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	716 static void Blit_RGB888_index8(SDL_BlitInfo *info)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	717 {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	718 #ifndef USE_DUFFS_LOOP
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	719 int c;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	720 #endif
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	721 int width, height;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	722 Uint32 *src;
91 e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	723 const Uint8 *map;
e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	724 Uint8 *dst;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	725 int srcskip, dstskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	726
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	727 /* Set up some basic variables */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	728 width = info->d_width;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	729 height = info->d_height;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	730 src = (Uint32 *)info->s_pixels;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	731 srcskip = info->s_skip/4;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	732 dst = info->d_pixels;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	733 dstskip = info->d_skip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	734 map = info->table;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	735
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	736 if ( map == NULL ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	737 while ( height-- ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	738 #ifdef USE_DUFFS_LOOP
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	739 DUFFS_LOOP(
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	740 RGB888_RGB332(dst++, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	741 , width);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	742 #else
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	743 for ( c=width/4; c; --c ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	744 /* Pack RGB into 8bit pixel */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	745 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	746 RGB888_RGB332(dst++, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	747 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	748 RGB888_RGB332(dst++, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	749 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	750 RGB888_RGB332(dst++, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	751 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	752 }
91 e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	753 switch ( width & 3 ) {
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	754 case 3:
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	755 RGB888_RGB332(dst++, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	756 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	757 case 2:
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	758 RGB888_RGB332(dst++, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	759 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	760 case 1:
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	761 RGB888_RGB332(dst++, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	762 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	763 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	764 #endif /* USE_DUFFS_LOOP */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	765 src += srcskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	766 dst += dstskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	767 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	768 } else {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	769 int pixel;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	770
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	771 while ( height-- ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	772 #ifdef USE_DUFFS_LOOP
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	773 DUFFS_LOOP(
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	774 RGB888_RGB332(pixel, *src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	775 *dst++ = map[pixel];
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	776 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	777 , width);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	778 #else
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	779 for ( c=width/4; c; --c ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	780 /* Pack RGB into 8bit pixel */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	781 RGB888_RGB332(pixel, *src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	782 *dst++ = map[pixel];
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	783 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	784 RGB888_RGB332(pixel, *src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	785 *dst++ = map[pixel];
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	786 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	787 RGB888_RGB332(pixel, *src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	788 *dst++ = map[pixel];
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	789 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	790 RGB888_RGB332(pixel, *src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	791 *dst++ = map[pixel];
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	792 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	793 }
91 e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	794 switch ( width & 3 ) {
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	795 case 3:
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	796 RGB888_RGB332(pixel, *src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	797 *dst++ = map[pixel];
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	798 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	799 case 2:
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	800 RGB888_RGB332(pixel, *src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	801 *dst++ = map[pixel];
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	802 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	803 case 1:
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	804 RGB888_RGB332(pixel, *src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	805 *dst++ = map[pixel];
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	806 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	807 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	808 #endif /* USE_DUFFS_LOOP */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	809 src += srcskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	810 dst += dstskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	811 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	812 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	813 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	814 /* Special optimized blit for RGB 8-8-8 --> RGB 5-5-5 */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	815 #define RGB888_RGB555(dst, src) { \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	816 (Uint16 )(dst) = (((*src)&0x00F80000)>>9)\| \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	817 (((*src)&0x0000F800)>>6)\| \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	818 (((*src)&0x000000F8)>>3); \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	819 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	820 #define RGB888_RGB555_TWO(dst, src) { \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	821 (Uint32 )(dst) = (((((src[HI])&0x00F80000)>>9)\| \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	822 (((src[HI])&0x0000F800)>>6)\| \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	823 (((src[HI])&0x000000F8)>>3))<<16)\| \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	824 (((src[LO])&0x00F80000)>>9)\| \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	825 (((src[LO])&0x0000F800)>>6)\| \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	826 (((src[LO])&0x000000F8)>>3); \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	827 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	828 static void Blit_RGB888_RGB555(SDL_BlitInfo *info)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	829 {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	830 #ifndef USE_DUFFS_LOOP
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	831 int c;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	832 #endif
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	833 int width, height;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	834 Uint32 *src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	835 Uint16 *dst;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	836 int srcskip, dstskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	837
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	838 /* Set up some basic variables */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	839 width = info->d_width;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	840 height = info->d_height;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	841 src = (Uint32 *)info->s_pixels;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	842 srcskip = info->s_skip/4;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	843 dst = (Uint16 *)info->d_pixels;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	844 dstskip = info->d_skip/2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	845
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	846 #ifdef USE_DUFFS_LOOP
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	847 while ( height-- ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	848 DUFFS_LOOP(
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	849 RGB888_RGB555(dst, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	850 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	851 ++dst;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	852 , width);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	853 src += srcskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	854 dst += dstskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	855 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	856 #else
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	857 /* Memory align at 4-byte boundary, if necessary */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	858 if ( (long)dst & 0x03 ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	859 /* Don't do anything if width is 0 */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	860 if ( width == 0 ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	861 return;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	862 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	863 --width;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	864
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	865 while ( height-- ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	866 /* Perform copy alignment */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	867 RGB888_RGB555(dst, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	868 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	869 ++dst;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	870
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	871 /* Copy in 4 pixel chunks */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	872 for ( c=width/4; c; --c ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	873 RGB888_RGB555_TWO(dst, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	874 src += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	875 dst += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	876 RGB888_RGB555_TWO(dst, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	877 src += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	878 dst += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	879 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	880 /* Get any leftovers */
91 e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	881 switch (width & 3) {
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	882 case 3:
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	883 RGB888_RGB555(dst, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	884 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	885 ++dst;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	886 case 2:
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	887 RGB888_RGB555_TWO(dst, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	888 src += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	889 dst += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	890 break;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	891 case 1:
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	892 RGB888_RGB555(dst, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	893 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	894 ++dst;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	895 break;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	896 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	897 src += srcskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	898 dst += dstskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	899 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	900 } else {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	901 while ( height-- ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	902 /* Copy in 4 pixel chunks */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	903 for ( c=width/4; c; --c ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	904 RGB888_RGB555_TWO(dst, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	905 src += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	906 dst += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	907 RGB888_RGB555_TWO(dst, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	908 src += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	909 dst += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	910 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	911 /* Get any leftovers */
91 e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	912 switch (width & 3) {
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	913 case 3:
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	914 RGB888_RGB555(dst, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	915 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	916 ++dst;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	917 case 2:
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	918 RGB888_RGB555_TWO(dst, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	919 src += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	920 dst += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	921 break;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	922 case 1:
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	923 RGB888_RGB555(dst, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	924 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	925 ++dst;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	926 break;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	927 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	928 src += srcskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	929 dst += dstskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	930 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	931 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	932 #endif /* USE_DUFFS_LOOP */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	933 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	934 /* Special optimized blit for RGB 8-8-8 --> RGB 5-6-5 */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	935 #define RGB888_RGB565(dst, src) { \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	936 (Uint16 )(dst) = (((*src)&0x00F80000)>>8)\| \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	937 (((*src)&0x0000FC00)>>5)\| \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	938 (((*src)&0x000000F8)>>3); \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	939 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	940 #define RGB888_RGB565_TWO(dst, src) { \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	941 (Uint32 )(dst) = (((((src[HI])&0x00F80000)>>8)\| \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	942 (((src[HI])&0x0000FC00)>>5)\| \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	943 (((src[HI])&0x000000F8)>>3))<<16)\| \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	944 (((src[LO])&0x00F80000)>>8)\| \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	945 (((src[LO])&0x0000FC00)>>5)\| \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	946 (((src[LO])&0x000000F8)>>3); \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	947 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	948 static void Blit_RGB888_RGB565(SDL_BlitInfo *info)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	949 {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	950 #ifndef USE_DUFFS_LOOP
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	951 int c;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	952 #endif
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	953 int width, height;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	954 Uint32 *src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	955 Uint16 *dst;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	956 int srcskip, dstskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	957
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	958 /* Set up some basic variables */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	959 width = info->d_width;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	960 height = info->d_height;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	961 src = (Uint32 *)info->s_pixels;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	962 srcskip = info->s_skip/4;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	963 dst = (Uint16 *)info->d_pixels;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	964 dstskip = info->d_skip/2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	965
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	966 #ifdef USE_DUFFS_LOOP
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	967 while ( height-- ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	968 DUFFS_LOOP(
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	969 RGB888_RGB565(dst, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	970 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	971 ++dst;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	972 , width);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	973 src += srcskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	974 dst += dstskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	975 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	976 #else
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	977 /* Memory align at 4-byte boundary, if necessary */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	978 if ( (long)dst & 0x03 ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	979 /* Don't do anything if width is 0 */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	980 if ( width == 0 ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	981 return;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	982 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	983 --width;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	984
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	985 while ( height-- ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	986 /* Perform copy alignment */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	987 RGB888_RGB565(dst, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	988 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	989 ++dst;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	990
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	991 /* Copy in 4 pixel chunks */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	992 for ( c=width/4; c; --c ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	993 RGB888_RGB565_TWO(dst, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	994 src += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	995 dst += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	996 RGB888_RGB565_TWO(dst, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	997 src += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	998 dst += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	999 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1000 /* Get any leftovers */
91 e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	1001 switch (width & 3) {
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1002 case 3:
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1003 RGB888_RGB565(dst, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1004 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1005 ++dst;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1006 case 2:
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1007 RGB888_RGB565_TWO(dst, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1008 src += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1009 dst += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1010 break;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1011 case 1:
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1012 RGB888_RGB565(dst, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1013 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1014 ++dst;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1015 break;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1016 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1017 src += srcskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1018 dst += dstskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1019 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1020 } else {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1021 while ( height-- ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1022 /* Copy in 4 pixel chunks */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1023 for ( c=width/4; c; --c ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1024 RGB888_RGB565_TWO(dst, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1025 src += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1026 dst += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1027 RGB888_RGB565_TWO(dst, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1028 src += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1029 dst += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1030 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1031 /* Get any leftovers */
91 e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	1032 switch (width & 3) {
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1033 case 3:
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1034 RGB888_RGB565(dst, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1035 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1036 ++dst;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1037 case 2:
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1038 RGB888_RGB565_TWO(dst, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1039 src += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1040 dst += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1041 break;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1042 case 1:
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1043 RGB888_RGB565(dst, src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1044 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1045 ++dst;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1046 break;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1047 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1048 src += srcskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1049 dst += dstskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1050 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1051 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1052 #endif /* USE_DUFFS_LOOP */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1053 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1054
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1055 #endif /* USE_ASMBLIT */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1056
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1057
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1058 /* Special optimized blit for RGB 5-6-5 --> 32-bit RGB surfaces */
1047 ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	1059 #define RGB565_32(dst, src, map) (map[src[LO]2] + map[src[HI]2+1])
91 e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	1060 static void Blit_RGB565_32(SDL_BlitInfo info, const Uint32 map)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1061 {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1062 #ifndef USE_DUFFS_LOOP
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1063 int c;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1064 #endif
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1065 int width, height;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1066 Uint8 *src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1067 Uint32 *dst;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1068 int srcskip, dstskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1069
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1070 /* Set up some basic variables */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1071 width = info->d_width;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1072 height = info->d_height;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1073 src = (Uint8 *)info->s_pixels;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1074 srcskip = info->s_skip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1075 dst = (Uint32 *)info->d_pixels;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1076 dstskip = info->d_skip/4;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1077
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1078 #ifdef USE_DUFFS_LOOP
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1079 while ( height-- ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1080 DUFFS_LOOP(
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1081 {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1082 *dst++ = RGB565_32(dst, src, map);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1083 src += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1084 },
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1085 width);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1086 src += srcskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1087 dst += dstskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1088 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1089 #else
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1090 while ( height-- ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1091 /* Copy in 4 pixel chunks */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1092 for ( c=width/4; c; --c ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1093 *dst++ = RGB565_32(dst, src, map);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1094 src += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1095 *dst++ = RGB565_32(dst, src, map);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1096 src += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1097 *dst++ = RGB565_32(dst, src, map);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1098 src += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1099 *dst++ = RGB565_32(dst, src, map);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1100 src += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1101 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1102 /* Get any leftovers */
91 e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	1103 switch (width & 3) {
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1104 case 3:
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1105 *dst++ = RGB565_32(dst, src, map);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1106 src += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1107 case 2:
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1108 *dst++ = RGB565_32(dst, src, map);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1109 src += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1110 case 1:
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1111 *dst++ = RGB565_32(dst, src, map);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1112 src += 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1113 break;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1114 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1115 src += srcskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1116 dst += dstskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1117 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1118 #endif /* USE_DUFFS_LOOP */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1119 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1120
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1121 /* Special optimized blit for RGB 5-6-5 --> ARGB 8-8-8-8 */
91 e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	1122 static const Uint32 RGB565_ARGB8888_LUT[512] = {
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1123 0x00000000, 0xff000000, 0x00000008, 0xff002000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1124 0x00000010, 0xff004000, 0x00000018, 0xff006100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1125 0x00000020, 0xff008100, 0x00000029, 0xff00a100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1126 0x00000031, 0xff00c200, 0x00000039, 0xff00e200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1127 0x00000041, 0xff080000, 0x0000004a, 0xff082000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1128 0x00000052, 0xff084000, 0x0000005a, 0xff086100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1129 0x00000062, 0xff088100, 0x0000006a, 0xff08a100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1130 0x00000073, 0xff08c200, 0x0000007b, 0xff08e200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1131 0x00000083, 0xff100000, 0x0000008b, 0xff102000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1132 0x00000094, 0xff104000, 0x0000009c, 0xff106100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1133 0x000000a4, 0xff108100, 0x000000ac, 0xff10a100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1134 0x000000b4, 0xff10c200, 0x000000bd, 0xff10e200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1135 0x000000c5, 0xff180000, 0x000000cd, 0xff182000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1136 0x000000d5, 0xff184000, 0x000000de, 0xff186100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1137 0x000000e6, 0xff188100, 0x000000ee, 0xff18a100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1138 0x000000f6, 0xff18c200, 0x000000ff, 0xff18e200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1139 0x00000400, 0xff200000, 0x00000408, 0xff202000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1140 0x00000410, 0xff204000, 0x00000418, 0xff206100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1141 0x00000420, 0xff208100, 0x00000429, 0xff20a100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1142 0x00000431, 0xff20c200, 0x00000439, 0xff20e200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1143 0x00000441, 0xff290000, 0x0000044a, 0xff292000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1144 0x00000452, 0xff294000, 0x0000045a, 0xff296100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1145 0x00000462, 0xff298100, 0x0000046a, 0xff29a100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1146 0x00000473, 0xff29c200, 0x0000047b, 0xff29e200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1147 0x00000483, 0xff310000, 0x0000048b, 0xff312000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1148 0x00000494, 0xff314000, 0x0000049c, 0xff316100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1149 0x000004a4, 0xff318100, 0x000004ac, 0xff31a100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1150 0x000004b4, 0xff31c200, 0x000004bd, 0xff31e200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1151 0x000004c5, 0xff390000, 0x000004cd, 0xff392000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1152 0x000004d5, 0xff394000, 0x000004de, 0xff396100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1153 0x000004e6, 0xff398100, 0x000004ee, 0xff39a100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1154 0x000004f6, 0xff39c200, 0x000004ff, 0xff39e200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1155 0x00000800, 0xff410000, 0x00000808, 0xff412000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1156 0x00000810, 0xff414000, 0x00000818, 0xff416100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1157 0x00000820, 0xff418100, 0x00000829, 0xff41a100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1158 0x00000831, 0xff41c200, 0x00000839, 0xff41e200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1159 0x00000841, 0xff4a0000, 0x0000084a, 0xff4a2000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1160 0x00000852, 0xff4a4000, 0x0000085a, 0xff4a6100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1161 0x00000862, 0xff4a8100, 0x0000086a, 0xff4aa100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1162 0x00000873, 0xff4ac200, 0x0000087b, 0xff4ae200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1163 0x00000883, 0xff520000, 0x0000088b, 0xff522000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1164 0x00000894, 0xff524000, 0x0000089c, 0xff526100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1165 0x000008a4, 0xff528100, 0x000008ac, 0xff52a100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1166 0x000008b4, 0xff52c200, 0x000008bd, 0xff52e200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1167 0x000008c5, 0xff5a0000, 0x000008cd, 0xff5a2000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1168 0x000008d5, 0xff5a4000, 0x000008de, 0xff5a6100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1169 0x000008e6, 0xff5a8100, 0x000008ee, 0xff5aa100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1170 0x000008f6, 0xff5ac200, 0x000008ff, 0xff5ae200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1171 0x00000c00, 0xff620000, 0x00000c08, 0xff622000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1172 0x00000c10, 0xff624000, 0x00000c18, 0xff626100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1173 0x00000c20, 0xff628100, 0x00000c29, 0xff62a100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1174 0x00000c31, 0xff62c200, 0x00000c39, 0xff62e200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1175 0x00000c41, 0xff6a0000, 0x00000c4a, 0xff6a2000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1176 0x00000c52, 0xff6a4000, 0x00000c5a, 0xff6a6100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1177 0x00000c62, 0xff6a8100, 0x00000c6a, 0xff6aa100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1178 0x00000c73, 0xff6ac200, 0x00000c7b, 0xff6ae200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1179 0x00000c83, 0xff730000, 0x00000c8b, 0xff732000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1180 0x00000c94, 0xff734000, 0x00000c9c, 0xff736100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1181 0x00000ca4, 0xff738100, 0x00000cac, 0xff73a100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1182 0x00000cb4, 0xff73c200, 0x00000cbd, 0xff73e200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1183 0x00000cc5, 0xff7b0000, 0x00000ccd, 0xff7b2000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1184 0x00000cd5, 0xff7b4000, 0x00000cde, 0xff7b6100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1185 0x00000ce6, 0xff7b8100, 0x00000cee, 0xff7ba100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1186 0x00000cf6, 0xff7bc200, 0x00000cff, 0xff7be200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1187 0x00001000, 0xff830000, 0x00001008, 0xff832000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1188 0x00001010, 0xff834000, 0x00001018, 0xff836100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1189 0x00001020, 0xff838100, 0x00001029, 0xff83a100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1190 0x00001031, 0xff83c200, 0x00001039, 0xff83e200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1191 0x00001041, 0xff8b0000, 0x0000104a, 0xff8b2000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1192 0x00001052, 0xff8b4000, 0x0000105a, 0xff8b6100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1193 0x00001062, 0xff8b8100, 0x0000106a, 0xff8ba100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1194 0x00001073, 0xff8bc200, 0x0000107b, 0xff8be200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1195 0x00001083, 0xff940000, 0x0000108b, 0xff942000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1196 0x00001094, 0xff944000, 0x0000109c, 0xff946100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1197 0x000010a4, 0xff948100, 0x000010ac, 0xff94a100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1198 0x000010b4, 0xff94c200, 0x000010bd, 0xff94e200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1199 0x000010c5, 0xff9c0000, 0x000010cd, 0xff9c2000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1200 0x000010d5, 0xff9c4000, 0x000010de, 0xff9c6100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1201 0x000010e6, 0xff9c8100, 0x000010ee, 0xff9ca100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1202 0x000010f6, 0xff9cc200, 0x000010ff, 0xff9ce200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1203 0x00001400, 0xffa40000, 0x00001408, 0xffa42000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1204 0x00001410, 0xffa44000, 0x00001418, 0xffa46100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1205 0x00001420, 0xffa48100, 0x00001429, 0xffa4a100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1206 0x00001431, 0xffa4c200, 0x00001439, 0xffa4e200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1207 0x00001441, 0xffac0000, 0x0000144a, 0xffac2000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1208 0x00001452, 0xffac4000, 0x0000145a, 0xffac6100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1209 0x00001462, 0xffac8100, 0x0000146a, 0xffaca100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1210 0x00001473, 0xffacc200, 0x0000147b, 0xfface200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1211 0x00001483, 0xffb40000, 0x0000148b, 0xffb42000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1212 0x00001494, 0xffb44000, 0x0000149c, 0xffb46100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1213 0x000014a4, 0xffb48100, 0x000014ac, 0xffb4a100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1214 0x000014b4, 0xffb4c200, 0x000014bd, 0xffb4e200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1215 0x000014c5, 0xffbd0000, 0x000014cd, 0xffbd2000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1216 0x000014d5, 0xffbd4000, 0x000014de, 0xffbd6100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1217 0x000014e6, 0xffbd8100, 0x000014ee, 0xffbda100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1218 0x000014f6, 0xffbdc200, 0x000014ff, 0xffbde200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1219 0x00001800, 0xffc50000, 0x00001808, 0xffc52000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1220 0x00001810, 0xffc54000, 0x00001818, 0xffc56100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1221 0x00001820, 0xffc58100, 0x00001829, 0xffc5a100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1222 0x00001831, 0xffc5c200, 0x00001839, 0xffc5e200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1223 0x00001841, 0xffcd0000, 0x0000184a, 0xffcd2000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1224 0x00001852, 0xffcd4000, 0x0000185a, 0xffcd6100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1225 0x00001862, 0xffcd8100, 0x0000186a, 0xffcda100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1226 0x00001873, 0xffcdc200, 0x0000187b, 0xffcde200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1227 0x00001883, 0xffd50000, 0x0000188b, 0xffd52000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1228 0x00001894, 0xffd54000, 0x0000189c, 0xffd56100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1229 0x000018a4, 0xffd58100, 0x000018ac, 0xffd5a100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1230 0x000018b4, 0xffd5c200, 0x000018bd, 0xffd5e200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1231 0x000018c5, 0xffde0000, 0x000018cd, 0xffde2000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1232 0x000018d5, 0xffde4000, 0x000018de, 0xffde6100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1233 0x000018e6, 0xffde8100, 0x000018ee, 0xffdea100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1234 0x000018f6, 0xffdec200, 0x000018ff, 0xffdee200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1235 0x00001c00, 0xffe60000, 0x00001c08, 0xffe62000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1236 0x00001c10, 0xffe64000, 0x00001c18, 0xffe66100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1237 0x00001c20, 0xffe68100, 0x00001c29, 0xffe6a100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1238 0x00001c31, 0xffe6c200, 0x00001c39, 0xffe6e200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1239 0x00001c41, 0xffee0000, 0x00001c4a, 0xffee2000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1240 0x00001c52, 0xffee4000, 0x00001c5a, 0xffee6100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1241 0x00001c62, 0xffee8100, 0x00001c6a, 0xffeea100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1242 0x00001c73, 0xffeec200, 0x00001c7b, 0xffeee200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1243 0x00001c83, 0xfff60000, 0x00001c8b, 0xfff62000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1244 0x00001c94, 0xfff64000, 0x00001c9c, 0xfff66100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1245 0x00001ca4, 0xfff68100, 0x00001cac, 0xfff6a100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1246 0x00001cb4, 0xfff6c200, 0x00001cbd, 0xfff6e200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1247 0x00001cc5, 0xffff0000, 0x00001ccd, 0xffff2000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1248 0x00001cd5, 0xffff4000, 0x00001cde, 0xffff6100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1249 0x00001ce6, 0xffff8100, 0x00001cee, 0xffffa100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1250 0x00001cf6, 0xffffc200, 0x00001cff, 0xffffe200
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1251 };
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1252 static void Blit_RGB565_ARGB8888(SDL_BlitInfo *info)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1253 {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1254 Blit_RGB565_32(info, RGB565_ARGB8888_LUT);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1255 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1256
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1257 /* Special optimized blit for RGB 5-6-5 --> ABGR 8-8-8-8 */
91 e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	1258 static const Uint32 RGB565_ABGR8888_LUT[512] = {
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1259 0xff000000, 0x00000000, 0xff080000, 0x00002000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1260 0xff100000, 0x00004000, 0xff180000, 0x00006100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1261 0xff200000, 0x00008100, 0xff290000, 0x0000a100,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1262 0xff310000, 0x0000c200, 0xff390000, 0x0000e200,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1263 0xff410000, 0x00000008, 0xff4a0000, 0x00002008,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1264 0xff520000, 0x00004008, 0xff5a0000, 0x00006108,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1265 0xff620000, 0x00008108, 0xff6a0000, 0x0000a108,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1266 0xff730000, 0x0000c208, 0xff7b0000, 0x0000e208,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1267 0xff830000, 0x00000010, 0xff8b0000, 0x00002010,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1268 0xff940000, 0x00004010, 0xff9c0000, 0x00006110,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1269 0xffa40000, 0x00008110, 0xffac0000, 0x0000a110,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1270 0xffb40000, 0x0000c210, 0xffbd0000, 0x0000e210,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1271 0xffc50000, 0x00000018, 0xffcd0000, 0x00002018,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1272 0xffd50000, 0x00004018, 0xffde0000, 0x00006118,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1273 0xffe60000, 0x00008118, 0xffee0000, 0x0000a118,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1274 0xfff60000, 0x0000c218, 0xffff0000, 0x0000e218,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1275 0xff000400, 0x00000020, 0xff080400, 0x00002020,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1276 0xff100400, 0x00004020, 0xff180400, 0x00006120,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1277 0xff200400, 0x00008120, 0xff290400, 0x0000a120,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1278 0xff310400, 0x0000c220, 0xff390400, 0x0000e220,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1279 0xff410400, 0x00000029, 0xff4a0400, 0x00002029,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1280 0xff520400, 0x00004029, 0xff5a0400, 0x00006129,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1281 0xff620400, 0x00008129, 0xff6a0400, 0x0000a129,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1282 0xff730400, 0x0000c229, 0xff7b0400, 0x0000e229,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1283 0xff830400, 0x00000031, 0xff8b0400, 0x00002031,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1284 0xff940400, 0x00004031, 0xff9c0400, 0x00006131,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1285 0xffa40400, 0x00008131, 0xffac0400, 0x0000a131,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1286 0xffb40400, 0x0000c231, 0xffbd0400, 0x0000e231,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1287 0xffc50400, 0x00000039, 0xffcd0400, 0x00002039,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1288 0xffd50400, 0x00004039, 0xffde0400, 0x00006139,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1289 0xffe60400, 0x00008139, 0xffee0400, 0x0000a139,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1290 0xfff60400, 0x0000c239, 0xffff0400, 0x0000e239,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1291 0xff000800, 0x00000041, 0xff080800, 0x00002041,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1292 0xff100800, 0x00004041, 0xff180800, 0x00006141,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1293 0xff200800, 0x00008141, 0xff290800, 0x0000a141,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1294 0xff310800, 0x0000c241, 0xff390800, 0x0000e241,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1295 0xff410800, 0x0000004a, 0xff4a0800, 0x0000204a,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1296 0xff520800, 0x0000404a, 0xff5a0800, 0x0000614a,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1297 0xff620800, 0x0000814a, 0xff6a0800, 0x0000a14a,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1298 0xff730800, 0x0000c24a, 0xff7b0800, 0x0000e24a,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1299 0xff830800, 0x00000052, 0xff8b0800, 0x00002052,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1300 0xff940800, 0x00004052, 0xff9c0800, 0x00006152,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1301 0xffa40800, 0x00008152, 0xffac0800, 0x0000a152,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1302 0xffb40800, 0x0000c252, 0xffbd0800, 0x0000e252,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1303 0xffc50800, 0x0000005a, 0xffcd0800, 0x0000205a,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1304 0xffd50800, 0x0000405a, 0xffde0800, 0x0000615a,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1305 0xffe60800, 0x0000815a, 0xffee0800, 0x0000a15a,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1306 0xfff60800, 0x0000c25a, 0xffff0800, 0x0000e25a,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1307 0xff000c00, 0x00000062, 0xff080c00, 0x00002062,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1308 0xff100c00, 0x00004062, 0xff180c00, 0x00006162,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1309 0xff200c00, 0x00008162, 0xff290c00, 0x0000a162,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1310 0xff310c00, 0x0000c262, 0xff390c00, 0x0000e262,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1311 0xff410c00, 0x0000006a, 0xff4a0c00, 0x0000206a,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1312 0xff520c00, 0x0000406a, 0xff5a0c00, 0x0000616a,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1313 0xff620c00, 0x0000816a, 0xff6a0c00, 0x0000a16a,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1314 0xff730c00, 0x0000c26a, 0xff7b0c00, 0x0000e26a,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1315 0xff830c00, 0x00000073, 0xff8b0c00, 0x00002073,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1316 0xff940c00, 0x00004073, 0xff9c0c00, 0x00006173,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1317 0xffa40c00, 0x00008173, 0xffac0c00, 0x0000a173,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1318 0xffb40c00, 0x0000c273, 0xffbd0c00, 0x0000e273,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1319 0xffc50c00, 0x0000007b, 0xffcd0c00, 0x0000207b,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1320 0xffd50c00, 0x0000407b, 0xffde0c00, 0x0000617b,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1321 0xffe60c00, 0x0000817b, 0xffee0c00, 0x0000a17b,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1322 0xfff60c00, 0x0000c27b, 0xffff0c00, 0x0000e27b,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1323 0xff001000, 0x00000083, 0xff081000, 0x00002083,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1324 0xff101000, 0x00004083, 0xff181000, 0x00006183,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1325 0xff201000, 0x00008183, 0xff291000, 0x0000a183,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1326 0xff311000, 0x0000c283, 0xff391000, 0x0000e283,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1327 0xff411000, 0x0000008b, 0xff4a1000, 0x0000208b,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1328 0xff521000, 0x0000408b, 0xff5a1000, 0x0000618b,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1329 0xff621000, 0x0000818b, 0xff6a1000, 0x0000a18b,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1330 0xff731000, 0x0000c28b, 0xff7b1000, 0x0000e28b,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1331 0xff831000, 0x00000094, 0xff8b1000, 0x00002094,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1332 0xff941000, 0x00004094, 0xff9c1000, 0x00006194,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1333 0xffa41000, 0x00008194, 0xffac1000, 0x0000a194,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1334 0xffb41000, 0x0000c294, 0xffbd1000, 0x0000e294,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1335 0xffc51000, 0x0000009c, 0xffcd1000, 0x0000209c,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1336 0xffd51000, 0x0000409c, 0xffde1000, 0x0000619c,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1337 0xffe61000, 0x0000819c, 0xffee1000, 0x0000a19c,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1338 0xfff61000, 0x0000c29c, 0xffff1000, 0x0000e29c,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1339 0xff001400, 0x000000a4, 0xff081400, 0x000020a4,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1340 0xff101400, 0x000040a4, 0xff181400, 0x000061a4,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1341 0xff201400, 0x000081a4, 0xff291400, 0x0000a1a4,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1342 0xff311400, 0x0000c2a4, 0xff391400, 0x0000e2a4,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1343 0xff411400, 0x000000ac, 0xff4a1400, 0x000020ac,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1344 0xff521400, 0x000040ac, 0xff5a1400, 0x000061ac,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1345 0xff621400, 0x000081ac, 0xff6a1400, 0x0000a1ac,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1346 0xff731400, 0x0000c2ac, 0xff7b1400, 0x0000e2ac,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1347 0xff831400, 0x000000b4, 0xff8b1400, 0x000020b4,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1348 0xff941400, 0x000040b4, 0xff9c1400, 0x000061b4,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1349 0xffa41400, 0x000081b4, 0xffac1400, 0x0000a1b4,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1350 0xffb41400, 0x0000c2b4, 0xffbd1400, 0x0000e2b4,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1351 0xffc51400, 0x000000bd, 0xffcd1400, 0x000020bd,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1352 0xffd51400, 0x000040bd, 0xffde1400, 0x000061bd,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1353 0xffe61400, 0x000081bd, 0xffee1400, 0x0000a1bd,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1354 0xfff61400, 0x0000c2bd, 0xffff1400, 0x0000e2bd,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1355 0xff001800, 0x000000c5, 0xff081800, 0x000020c5,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1356 0xff101800, 0x000040c5, 0xff181800, 0x000061c5,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1357 0xff201800, 0x000081c5, 0xff291800, 0x0000a1c5,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1358 0xff311800, 0x0000c2c5, 0xff391800, 0x0000e2c5,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1359 0xff411800, 0x000000cd, 0xff4a1800, 0x000020cd,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1360 0xff521800, 0x000040cd, 0xff5a1800, 0x000061cd,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1361 0xff621800, 0x000081cd, 0xff6a1800, 0x0000a1cd,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1362 0xff731800, 0x0000c2cd, 0xff7b1800, 0x0000e2cd,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1363 0xff831800, 0x000000d5, 0xff8b1800, 0x000020d5,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1364 0xff941800, 0x000040d5, 0xff9c1800, 0x000061d5,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1365 0xffa41800, 0x000081d5, 0xffac1800, 0x0000a1d5,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1366 0xffb41800, 0x0000c2d5, 0xffbd1800, 0x0000e2d5,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1367 0xffc51800, 0x000000de, 0xffcd1800, 0x000020de,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1368 0xffd51800, 0x000040de, 0xffde1800, 0x000061de,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1369 0xffe61800, 0x000081de, 0xffee1800, 0x0000a1de,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1370 0xfff61800, 0x0000c2de, 0xffff1800, 0x0000e2de,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1371 0xff001c00, 0x000000e6, 0xff081c00, 0x000020e6,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1372 0xff101c00, 0x000040e6, 0xff181c00, 0x000061e6,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1373 0xff201c00, 0x000081e6, 0xff291c00, 0x0000a1e6,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1374 0xff311c00, 0x0000c2e6, 0xff391c00, 0x0000e2e6,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1375 0xff411c00, 0x000000ee, 0xff4a1c00, 0x000020ee,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1376 0xff521c00, 0x000040ee, 0xff5a1c00, 0x000061ee,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1377 0xff621c00, 0x000081ee, 0xff6a1c00, 0x0000a1ee,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1378 0xff731c00, 0x0000c2ee, 0xff7b1c00, 0x0000e2ee,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1379 0xff831c00, 0x000000f6, 0xff8b1c00, 0x000020f6,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1380 0xff941c00, 0x000040f6, 0xff9c1c00, 0x000061f6,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1381 0xffa41c00, 0x000081f6, 0xffac1c00, 0x0000a1f6,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1382 0xffb41c00, 0x0000c2f6, 0xffbd1c00, 0x0000e2f6,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1383 0xffc51c00, 0x000000ff, 0xffcd1c00, 0x000020ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1384 0xffd51c00, 0x000040ff, 0xffde1c00, 0x000061ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1385 0xffe61c00, 0x000081ff, 0xffee1c00, 0x0000a1ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1386 0xfff61c00, 0x0000c2ff, 0xffff1c00, 0x0000e2ff
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1387 };
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1388 static void Blit_RGB565_ABGR8888(SDL_BlitInfo *info)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1389 {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1390 Blit_RGB565_32(info, RGB565_ABGR8888_LUT);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1391 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1392
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1393 /* Special optimized blit for RGB 5-6-5 --> RGBA 8-8-8-8 */
91 e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	1394 static const Uint32 RGB565_RGBA8888_LUT[512] = {
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1395 0x000000ff, 0x00000000, 0x000008ff, 0x00200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1396 0x000010ff, 0x00400000, 0x000018ff, 0x00610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1397 0x000020ff, 0x00810000, 0x000029ff, 0x00a10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1398 0x000031ff, 0x00c20000, 0x000039ff, 0x00e20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1399 0x000041ff, 0x08000000, 0x00004aff, 0x08200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1400 0x000052ff, 0x08400000, 0x00005aff, 0x08610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1401 0x000062ff, 0x08810000, 0x00006aff, 0x08a10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1402 0x000073ff, 0x08c20000, 0x00007bff, 0x08e20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1403 0x000083ff, 0x10000000, 0x00008bff, 0x10200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1404 0x000094ff, 0x10400000, 0x00009cff, 0x10610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1405 0x0000a4ff, 0x10810000, 0x0000acff, 0x10a10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1406 0x0000b4ff, 0x10c20000, 0x0000bdff, 0x10e20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1407 0x0000c5ff, 0x18000000, 0x0000cdff, 0x18200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1408 0x0000d5ff, 0x18400000, 0x0000deff, 0x18610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1409 0x0000e6ff, 0x18810000, 0x0000eeff, 0x18a10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1410 0x0000f6ff, 0x18c20000, 0x0000ffff, 0x18e20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1411 0x000400ff, 0x20000000, 0x000408ff, 0x20200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1412 0x000410ff, 0x20400000, 0x000418ff, 0x20610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1413 0x000420ff, 0x20810000, 0x000429ff, 0x20a10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1414 0x000431ff, 0x20c20000, 0x000439ff, 0x20e20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1415 0x000441ff, 0x29000000, 0x00044aff, 0x29200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1416 0x000452ff, 0x29400000, 0x00045aff, 0x29610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1417 0x000462ff, 0x29810000, 0x00046aff, 0x29a10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1418 0x000473ff, 0x29c20000, 0x00047bff, 0x29e20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1419 0x000483ff, 0x31000000, 0x00048bff, 0x31200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1420 0x000494ff, 0x31400000, 0x00049cff, 0x31610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1421 0x0004a4ff, 0x31810000, 0x0004acff, 0x31a10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1422 0x0004b4ff, 0x31c20000, 0x0004bdff, 0x31e20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1423 0x0004c5ff, 0x39000000, 0x0004cdff, 0x39200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1424 0x0004d5ff, 0x39400000, 0x0004deff, 0x39610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1425 0x0004e6ff, 0x39810000, 0x0004eeff, 0x39a10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1426 0x0004f6ff, 0x39c20000, 0x0004ffff, 0x39e20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1427 0x000800ff, 0x41000000, 0x000808ff, 0x41200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1428 0x000810ff, 0x41400000, 0x000818ff, 0x41610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1429 0x000820ff, 0x41810000, 0x000829ff, 0x41a10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1430 0x000831ff, 0x41c20000, 0x000839ff, 0x41e20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1431 0x000841ff, 0x4a000000, 0x00084aff, 0x4a200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1432 0x000852ff, 0x4a400000, 0x00085aff, 0x4a610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1433 0x000862ff, 0x4a810000, 0x00086aff, 0x4aa10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1434 0x000873ff, 0x4ac20000, 0x00087bff, 0x4ae20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1435 0x000883ff, 0x52000000, 0x00088bff, 0x52200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1436 0x000894ff, 0x52400000, 0x00089cff, 0x52610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1437 0x0008a4ff, 0x52810000, 0x0008acff, 0x52a10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1438 0x0008b4ff, 0x52c20000, 0x0008bdff, 0x52e20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1439 0x0008c5ff, 0x5a000000, 0x0008cdff, 0x5a200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1440 0x0008d5ff, 0x5a400000, 0x0008deff, 0x5a610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1441 0x0008e6ff, 0x5a810000, 0x0008eeff, 0x5aa10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1442 0x0008f6ff, 0x5ac20000, 0x0008ffff, 0x5ae20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1443 0x000c00ff, 0x62000000, 0x000c08ff, 0x62200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1444 0x000c10ff, 0x62400000, 0x000c18ff, 0x62610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1445 0x000c20ff, 0x62810000, 0x000c29ff, 0x62a10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1446 0x000c31ff, 0x62c20000, 0x000c39ff, 0x62e20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1447 0x000c41ff, 0x6a000000, 0x000c4aff, 0x6a200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1448 0x000c52ff, 0x6a400000, 0x000c5aff, 0x6a610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1449 0x000c62ff, 0x6a810000, 0x000c6aff, 0x6aa10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1450 0x000c73ff, 0x6ac20000, 0x000c7bff, 0x6ae20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1451 0x000c83ff, 0x73000000, 0x000c8bff, 0x73200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1452 0x000c94ff, 0x73400000, 0x000c9cff, 0x73610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1453 0x000ca4ff, 0x73810000, 0x000cacff, 0x73a10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1454 0x000cb4ff, 0x73c20000, 0x000cbdff, 0x73e20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1455 0x000cc5ff, 0x7b000000, 0x000ccdff, 0x7b200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1456 0x000cd5ff, 0x7b400000, 0x000cdeff, 0x7b610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1457 0x000ce6ff, 0x7b810000, 0x000ceeff, 0x7ba10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1458 0x000cf6ff, 0x7bc20000, 0x000cffff, 0x7be20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1459 0x001000ff, 0x83000000, 0x001008ff, 0x83200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1460 0x001010ff, 0x83400000, 0x001018ff, 0x83610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1461 0x001020ff, 0x83810000, 0x001029ff, 0x83a10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1462 0x001031ff, 0x83c20000, 0x001039ff, 0x83e20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1463 0x001041ff, 0x8b000000, 0x00104aff, 0x8b200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1464 0x001052ff, 0x8b400000, 0x00105aff, 0x8b610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1465 0x001062ff, 0x8b810000, 0x00106aff, 0x8ba10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1466 0x001073ff, 0x8bc20000, 0x00107bff, 0x8be20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1467 0x001083ff, 0x94000000, 0x00108bff, 0x94200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1468 0x001094ff, 0x94400000, 0x00109cff, 0x94610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1469 0x0010a4ff, 0x94810000, 0x0010acff, 0x94a10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1470 0x0010b4ff, 0x94c20000, 0x0010bdff, 0x94e20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1471 0x0010c5ff, 0x9c000000, 0x0010cdff, 0x9c200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1472 0x0010d5ff, 0x9c400000, 0x0010deff, 0x9c610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1473 0x0010e6ff, 0x9c810000, 0x0010eeff, 0x9ca10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1474 0x0010f6ff, 0x9cc20000, 0x0010ffff, 0x9ce20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1475 0x001400ff, 0xa4000000, 0x001408ff, 0xa4200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1476 0x001410ff, 0xa4400000, 0x001418ff, 0xa4610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1477 0x001420ff, 0xa4810000, 0x001429ff, 0xa4a10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1478 0x001431ff, 0xa4c20000, 0x001439ff, 0xa4e20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1479 0x001441ff, 0xac000000, 0x00144aff, 0xac200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1480 0x001452ff, 0xac400000, 0x00145aff, 0xac610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1481 0x001462ff, 0xac810000, 0x00146aff, 0xaca10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1482 0x001473ff, 0xacc20000, 0x00147bff, 0xace20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1483 0x001483ff, 0xb4000000, 0x00148bff, 0xb4200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1484 0x001494ff, 0xb4400000, 0x00149cff, 0xb4610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1485 0x0014a4ff, 0xb4810000, 0x0014acff, 0xb4a10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1486 0x0014b4ff, 0xb4c20000, 0x0014bdff, 0xb4e20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1487 0x0014c5ff, 0xbd000000, 0x0014cdff, 0xbd200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1488 0x0014d5ff, 0xbd400000, 0x0014deff, 0xbd610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1489 0x0014e6ff, 0xbd810000, 0x0014eeff, 0xbda10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1490 0x0014f6ff, 0xbdc20000, 0x0014ffff, 0xbde20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1491 0x001800ff, 0xc5000000, 0x001808ff, 0xc5200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1492 0x001810ff, 0xc5400000, 0x001818ff, 0xc5610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1493 0x001820ff, 0xc5810000, 0x001829ff, 0xc5a10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1494 0x001831ff, 0xc5c20000, 0x001839ff, 0xc5e20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1495 0x001841ff, 0xcd000000, 0x00184aff, 0xcd200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1496 0x001852ff, 0xcd400000, 0x00185aff, 0xcd610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1497 0x001862ff, 0xcd810000, 0x00186aff, 0xcda10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1498 0x001873ff, 0xcdc20000, 0x00187bff, 0xcde20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1499 0x001883ff, 0xd5000000, 0x00188bff, 0xd5200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1500 0x001894ff, 0xd5400000, 0x00189cff, 0xd5610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1501 0x0018a4ff, 0xd5810000, 0x0018acff, 0xd5a10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1502 0x0018b4ff, 0xd5c20000, 0x0018bdff, 0xd5e20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1503 0x0018c5ff, 0xde000000, 0x0018cdff, 0xde200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1504 0x0018d5ff, 0xde400000, 0x0018deff, 0xde610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1505 0x0018e6ff, 0xde810000, 0x0018eeff, 0xdea10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1506 0x0018f6ff, 0xdec20000, 0x0018ffff, 0xdee20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1507 0x001c00ff, 0xe6000000, 0x001c08ff, 0xe6200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1508 0x001c10ff, 0xe6400000, 0x001c18ff, 0xe6610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1509 0x001c20ff, 0xe6810000, 0x001c29ff, 0xe6a10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1510 0x001c31ff, 0xe6c20000, 0x001c39ff, 0xe6e20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1511 0x001c41ff, 0xee000000, 0x001c4aff, 0xee200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1512 0x001c52ff, 0xee400000, 0x001c5aff, 0xee610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1513 0x001c62ff, 0xee810000, 0x001c6aff, 0xeea10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1514 0x001c73ff, 0xeec20000, 0x001c7bff, 0xeee20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1515 0x001c83ff, 0xf6000000, 0x001c8bff, 0xf6200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1516 0x001c94ff, 0xf6400000, 0x001c9cff, 0xf6610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1517 0x001ca4ff, 0xf6810000, 0x001cacff, 0xf6a10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1518 0x001cb4ff, 0xf6c20000, 0x001cbdff, 0xf6e20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1519 0x001cc5ff, 0xff000000, 0x001ccdff, 0xff200000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1520 0x001cd5ff, 0xff400000, 0x001cdeff, 0xff610000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1521 0x001ce6ff, 0xff810000, 0x001ceeff, 0xffa10000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1522 0x001cf6ff, 0xffc20000, 0x001cffff, 0xffe20000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1523 };
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1524 static void Blit_RGB565_RGBA8888(SDL_BlitInfo *info)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1525 {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1526 Blit_RGB565_32(info, RGB565_RGBA8888_LUT);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1527 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1528
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1529 /* Special optimized blit for RGB 5-6-5 --> BGRA 8-8-8-8 */
91 e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	1530 static const Uint32 RGB565_BGRA8888_LUT[512] = {
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1531 0x00000000, 0x000000ff, 0x08000000, 0x002000ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1532 0x10000000, 0x004000ff, 0x18000000, 0x006100ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1533 0x20000000, 0x008100ff, 0x29000000, 0x00a100ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1534 0x31000000, 0x00c200ff, 0x39000000, 0x00e200ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1535 0x41000000, 0x000008ff, 0x4a000000, 0x002008ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1536 0x52000000, 0x004008ff, 0x5a000000, 0x006108ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1537 0x62000000, 0x008108ff, 0x6a000000, 0x00a108ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1538 0x73000000, 0x00c208ff, 0x7b000000, 0x00e208ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1539 0x83000000, 0x000010ff, 0x8b000000, 0x002010ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1540 0x94000000, 0x004010ff, 0x9c000000, 0x006110ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1541 0xa4000000, 0x008110ff, 0xac000000, 0x00a110ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1542 0xb4000000, 0x00c210ff, 0xbd000000, 0x00e210ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1543 0xc5000000, 0x000018ff, 0xcd000000, 0x002018ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1544 0xd5000000, 0x004018ff, 0xde000000, 0x006118ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1545 0xe6000000, 0x008118ff, 0xee000000, 0x00a118ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1546 0xf6000000, 0x00c218ff, 0xff000000, 0x00e218ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1547 0x00040000, 0x000020ff, 0x08040000, 0x002020ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1548 0x10040000, 0x004020ff, 0x18040000, 0x006120ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1549 0x20040000, 0x008120ff, 0x29040000, 0x00a120ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1550 0x31040000, 0x00c220ff, 0x39040000, 0x00e220ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1551 0x41040000, 0x000029ff, 0x4a040000, 0x002029ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1552 0x52040000, 0x004029ff, 0x5a040000, 0x006129ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1553 0x62040000, 0x008129ff, 0x6a040000, 0x00a129ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1554 0x73040000, 0x00c229ff, 0x7b040000, 0x00e229ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1555 0x83040000, 0x000031ff, 0x8b040000, 0x002031ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1556 0x94040000, 0x004031ff, 0x9c040000, 0x006131ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1557 0xa4040000, 0x008131ff, 0xac040000, 0x00a131ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1558 0xb4040000, 0x00c231ff, 0xbd040000, 0x00e231ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1559 0xc5040000, 0x000039ff, 0xcd040000, 0x002039ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1560 0xd5040000, 0x004039ff, 0xde040000, 0x006139ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1561 0xe6040000, 0x008139ff, 0xee040000, 0x00a139ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1562 0xf6040000, 0x00c239ff, 0xff040000, 0x00e239ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1563 0x00080000, 0x000041ff, 0x08080000, 0x002041ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1564 0x10080000, 0x004041ff, 0x18080000, 0x006141ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1565 0x20080000, 0x008141ff, 0x29080000, 0x00a141ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1566 0x31080000, 0x00c241ff, 0x39080000, 0x00e241ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1567 0x41080000, 0x00004aff, 0x4a080000, 0x00204aff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1568 0x52080000, 0x00404aff, 0x5a080000, 0x00614aff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1569 0x62080000, 0x00814aff, 0x6a080000, 0x00a14aff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1570 0x73080000, 0x00c24aff, 0x7b080000, 0x00e24aff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1571 0x83080000, 0x000052ff, 0x8b080000, 0x002052ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1572 0x94080000, 0x004052ff, 0x9c080000, 0x006152ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1573 0xa4080000, 0x008152ff, 0xac080000, 0x00a152ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1574 0xb4080000, 0x00c252ff, 0xbd080000, 0x00e252ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1575 0xc5080000, 0x00005aff, 0xcd080000, 0x00205aff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1576 0xd5080000, 0x00405aff, 0xde080000, 0x00615aff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1577 0xe6080000, 0x00815aff, 0xee080000, 0x00a15aff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1578 0xf6080000, 0x00c25aff, 0xff080000, 0x00e25aff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1579 0x000c0000, 0x000062ff, 0x080c0000, 0x002062ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1580 0x100c0000, 0x004062ff, 0x180c0000, 0x006162ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1581 0x200c0000, 0x008162ff, 0x290c0000, 0x00a162ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1582 0x310c0000, 0x00c262ff, 0x390c0000, 0x00e262ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1583 0x410c0000, 0x00006aff, 0x4a0c0000, 0x00206aff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1584 0x520c0000, 0x00406aff, 0x5a0c0000, 0x00616aff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1585 0x620c0000, 0x00816aff, 0x6a0c0000, 0x00a16aff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1586 0x730c0000, 0x00c26aff, 0x7b0c0000, 0x00e26aff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1587 0x830c0000, 0x000073ff, 0x8b0c0000, 0x002073ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1588 0x940c0000, 0x004073ff, 0x9c0c0000, 0x006173ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1589 0xa40c0000, 0x008173ff, 0xac0c0000, 0x00a173ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1590 0xb40c0000, 0x00c273ff, 0xbd0c0000, 0x00e273ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1591 0xc50c0000, 0x00007bff, 0xcd0c0000, 0x00207bff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1592 0xd50c0000, 0x00407bff, 0xde0c0000, 0x00617bff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1593 0xe60c0000, 0x00817bff, 0xee0c0000, 0x00a17bff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1594 0xf60c0000, 0x00c27bff, 0xff0c0000, 0x00e27bff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1595 0x00100000, 0x000083ff, 0x08100000, 0x002083ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1596 0x10100000, 0x004083ff, 0x18100000, 0x006183ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1597 0x20100000, 0x008183ff, 0x29100000, 0x00a183ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1598 0x31100000, 0x00c283ff, 0x39100000, 0x00e283ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1599 0x41100000, 0x00008bff, 0x4a100000, 0x00208bff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1600 0x52100000, 0x00408bff, 0x5a100000, 0x00618bff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1601 0x62100000, 0x00818bff, 0x6a100000, 0x00a18bff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1602 0x73100000, 0x00c28bff, 0x7b100000, 0x00e28bff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1603 0x83100000, 0x000094ff, 0x8b100000, 0x002094ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1604 0x94100000, 0x004094ff, 0x9c100000, 0x006194ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1605 0xa4100000, 0x008194ff, 0xac100000, 0x00a194ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1606 0xb4100000, 0x00c294ff, 0xbd100000, 0x00e294ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1607 0xc5100000, 0x00009cff, 0xcd100000, 0x00209cff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1608 0xd5100000, 0x00409cff, 0xde100000, 0x00619cff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1609 0xe6100000, 0x00819cff, 0xee100000, 0x00a19cff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1610 0xf6100000, 0x00c29cff, 0xff100000, 0x00e29cff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1611 0x00140000, 0x0000a4ff, 0x08140000, 0x0020a4ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1612 0x10140000, 0x0040a4ff, 0x18140000, 0x0061a4ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1613 0x20140000, 0x0081a4ff, 0x29140000, 0x00a1a4ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1614 0x31140000, 0x00c2a4ff, 0x39140000, 0x00e2a4ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1615 0x41140000, 0x0000acff, 0x4a140000, 0x0020acff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1616 0x52140000, 0x0040acff, 0x5a140000, 0x0061acff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1617 0x62140000, 0x0081acff, 0x6a140000, 0x00a1acff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1618 0x73140000, 0x00c2acff, 0x7b140000, 0x00e2acff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1619 0x83140000, 0x0000b4ff, 0x8b140000, 0x0020b4ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1620 0x94140000, 0x0040b4ff, 0x9c140000, 0x0061b4ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1621 0xa4140000, 0x0081b4ff, 0xac140000, 0x00a1b4ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1622 0xb4140000, 0x00c2b4ff, 0xbd140000, 0x00e2b4ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1623 0xc5140000, 0x0000bdff, 0xcd140000, 0x0020bdff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1624 0xd5140000, 0x0040bdff, 0xde140000, 0x0061bdff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1625 0xe6140000, 0x0081bdff, 0xee140000, 0x00a1bdff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1626 0xf6140000, 0x00c2bdff, 0xff140000, 0x00e2bdff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1627 0x00180000, 0x0000c5ff, 0x08180000, 0x0020c5ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1628 0x10180000, 0x0040c5ff, 0x18180000, 0x0061c5ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1629 0x20180000, 0x0081c5ff, 0x29180000, 0x00a1c5ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1630 0x31180000, 0x00c2c5ff, 0x39180000, 0x00e2c5ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1631 0x41180000, 0x0000cdff, 0x4a180000, 0x0020cdff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1632 0x52180000, 0x0040cdff, 0x5a180000, 0x0061cdff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1633 0x62180000, 0x0081cdff, 0x6a180000, 0x00a1cdff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1634 0x73180000, 0x00c2cdff, 0x7b180000, 0x00e2cdff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1635 0x83180000, 0x0000d5ff, 0x8b180000, 0x0020d5ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1636 0x94180000, 0x0040d5ff, 0x9c180000, 0x0061d5ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1637 0xa4180000, 0x0081d5ff, 0xac180000, 0x00a1d5ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1638 0xb4180000, 0x00c2d5ff, 0xbd180000, 0x00e2d5ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1639 0xc5180000, 0x0000deff, 0xcd180000, 0x0020deff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1640 0xd5180000, 0x0040deff, 0xde180000, 0x0061deff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1641 0xe6180000, 0x0081deff, 0xee180000, 0x00a1deff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1642 0xf6180000, 0x00c2deff, 0xff180000, 0x00e2deff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1643 0x001c0000, 0x0000e6ff, 0x081c0000, 0x0020e6ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1644 0x101c0000, 0x0040e6ff, 0x181c0000, 0x0061e6ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1645 0x201c0000, 0x0081e6ff, 0x291c0000, 0x00a1e6ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1646 0x311c0000, 0x00c2e6ff, 0x391c0000, 0x00e2e6ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1647 0x411c0000, 0x0000eeff, 0x4a1c0000, 0x0020eeff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1648 0x521c0000, 0x0040eeff, 0x5a1c0000, 0x0061eeff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1649 0x621c0000, 0x0081eeff, 0x6a1c0000, 0x00a1eeff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1650 0x731c0000, 0x00c2eeff, 0x7b1c0000, 0x00e2eeff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1651 0x831c0000, 0x0000f6ff, 0x8b1c0000, 0x0020f6ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1652 0x941c0000, 0x0040f6ff, 0x9c1c0000, 0x0061f6ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1653 0xa41c0000, 0x0081f6ff, 0xac1c0000, 0x00a1f6ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1654 0xb41c0000, 0x00c2f6ff, 0xbd1c0000, 0x00e2f6ff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1655 0xc51c0000, 0x0000ffff, 0xcd1c0000, 0x0020ffff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1656 0xd51c0000, 0x0040ffff, 0xde1c0000, 0x0061ffff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1657 0xe61c0000, 0x0081ffff, 0xee1c0000, 0x00a1ffff,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1658 0xf61c0000, 0x00c2ffff, 0xff1c0000, 0x00e2ffff
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1659 };
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1660 static void Blit_RGB565_BGRA8888(SDL_BlitInfo *info)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1661 {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1662 Blit_RGB565_32(info, RGB565_BGRA8888_LUT);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1663 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1664
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1665 /* Special optimized blit for RGB 8-8-8 --> RGB 3-3-2 */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1666 #ifndef RGB888_RGB332
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1667 #define RGB888_RGB332(dst, src) { \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1668 dst = (((src)&0x00E00000)>>16)\| \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1669 (((src)&0x0000E000)>>11)\| \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1670 (((src)&0x000000C0)>>6); \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1671 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1672 #endif
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1673 static void Blit_RGB888_index8_map(SDL_BlitInfo *info)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1674 {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1675 #ifndef USE_DUFFS_LOOP
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1676 int c;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1677 #endif
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1678 int pixel;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1679 int width, height;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1680 Uint32 *src;
91 e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	1681 const Uint8 *map;
e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	1682 Uint8 *dst;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1683 int srcskip, dstskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1684
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1685 /* Set up some basic variables */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1686 width = info->d_width;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1687 height = info->d_height;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1688 src = (Uint32 *)info->s_pixels;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1689 srcskip = info->s_skip/4;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1690 dst = info->d_pixels;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1691 dstskip = info->d_skip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1692 map = info->table;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1693
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1694 #ifdef USE_DUFFS_LOOP
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1695 while ( height-- ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1696 DUFFS_LOOP(
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1697 RGB888_RGB332(pixel, *src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1698 *dst++ = map[pixel];
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1699 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1700 , width);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1701 src += srcskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1702 dst += dstskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1703 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1704 #else
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1705 while ( height-- ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1706 for ( c=width/4; c; --c ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1707 /* Pack RGB into 8bit pixel */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1708 RGB888_RGB332(pixel, *src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1709 *dst++ = map[pixel];
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1710 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1711 RGB888_RGB332(pixel, *src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1712 *dst++ = map[pixel];
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1713 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1714 RGB888_RGB332(pixel, *src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1715 *dst++ = map[pixel];
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1716 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1717 RGB888_RGB332(pixel, *src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1718 *dst++ = map[pixel];
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1719 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1720 }
91 e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	1721 switch ( width & 3 ) {
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1722 case 3:
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1723 RGB888_RGB332(pixel, *src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1724 *dst++ = map[pixel];
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1725 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1726 case 2:
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1727 RGB888_RGB332(pixel, *src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1728 *dst++ = map[pixel];
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1729 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1730 case 1:
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1731 RGB888_RGB332(pixel, *src);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1732 *dst++ = map[pixel];
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1733 ++src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1734 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1735 src += srcskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1736 dst += dstskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1737 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1738 #endif /* USE_DUFFS_LOOP */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1739 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1740 static void BlitNto1(SDL_BlitInfo *info)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1741 {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1742 #ifndef USE_DUFFS_LOOP
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1743 int c;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1744 #endif
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1745 int width, height;
91 e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	1746 Uint8 *src;
e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	1747 const Uint8 *map;
e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	1748 Uint8 *dst;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1749 int srcskip, dstskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1750 int srcbpp;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1751 Uint32 pixel;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1752 int sR, sG, sB;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1753 SDL_PixelFormat *srcfmt;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1754
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1755 /* Set up some basic variables */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1756 width = info->d_width;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1757 height = info->d_height;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1758 src = info->s_pixels;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1759 srcskip = info->s_skip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1760 dst = info->d_pixels;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1761 dstskip = info->d_skip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1762 map = info->table;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1763 srcfmt = info->src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1764 srcbpp = srcfmt->BytesPerPixel;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1765
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1766 if ( map == NULL ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1767 while ( height-- ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1768 #ifdef USE_DUFFS_LOOP
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1769 DUFFS_LOOP(
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1770 DISEMBLE_RGB(src, srcbpp, srcfmt, pixel,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1771 sR, sG, sB);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1772 if ( 1 ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1773 /* Pack RGB into 8bit pixel */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1774 *dst = ((sR>>5)<<(3+2))\|
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1775 ((sG>>5)<<(2)) \|
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1776 ((sB>>6)<<(0)) ;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1777 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1778 dst++;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1779 src += srcbpp;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1780 , width);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1781 #else
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1782 for ( c=width; c; --c ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1783 DISEMBLE_RGB(src, srcbpp, srcfmt, pixel,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1784 sR, sG, sB);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1785 if ( 1 ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1786 /* Pack RGB into 8bit pixel */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1787 *dst = ((sR>>5)<<(3+2))\|
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1788 ((sG>>5)<<(2)) \|
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1789 ((sB>>6)<<(0)) ;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1790 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1791 dst++;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1792 src += srcbpp;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1793 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1794 #endif
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1795 src += srcskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1796 dst += dstskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1797 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1798 } else {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1799 while ( height-- ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1800 #ifdef USE_DUFFS_LOOP
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1801 DUFFS_LOOP(
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1802 DISEMBLE_RGB(src, srcbpp, srcfmt, pixel,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1803 sR, sG, sB);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1804 if ( 1 ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1805 /* Pack RGB into 8bit pixel */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1806 *dst = map[((sR>>5)<<(3+2))\|
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1807 ((sG>>5)<<(2)) \|
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1808 ((sB>>6)<<(0)) ];
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1809 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1810 dst++;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1811 src += srcbpp;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1812 , width);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1813 #else
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1814 for ( c=width; c; --c ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1815 DISEMBLE_RGB(src, srcbpp, srcfmt, pixel,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1816 sR, sG, sB);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1817 if ( 1 ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1818 /* Pack RGB into 8bit pixel */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1819 *dst = map[((sR>>5)<<(3+2))\|
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1820 ((sG>>5)<<(2)) \|
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1821 ((sB>>6)<<(0)) ];
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1822 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1823 dst++;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1824 src += srcbpp;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1825 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1826 #endif /* USE_DUFFS_LOOP */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1827 src += srcskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1828 dst += dstskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1829 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1830 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1831 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1832 static void BlitNtoN(SDL_BlitInfo *info)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1833 {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1834 int width = info->d_width;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1835 int height = info->d_height;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1836 Uint8 *src = info->s_pixels;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1837 int srcskip = info->s_skip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1838 Uint8 *dst = info->d_pixels;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1839 int dstskip = info->d_skip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1840 SDL_PixelFormat *srcfmt = info->src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1841 int srcbpp = srcfmt->BytesPerPixel;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1842 SDL_PixelFormat *dstfmt = info->dst;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1843 int dstbpp = dstfmt->BytesPerPixel;
431 41cadcba32e8 Fixed SDL_DisplayFormatAlpha() on RGB surfaces with alpha Sam Lantinga <slouken@libsdl.org> parents: 366 diff changeset	1844 unsigned alpha = dstfmt->Amask ? srcfmt->alpha : 0;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1845
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1846 while ( height-- ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1847 DUFFS_LOOP(
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1848 {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1849 Uint32 pixel;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1850 unsigned sR;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1851 unsigned sG;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1852 unsigned sB;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1853 DISEMBLE_RGB(src, srcbpp, srcfmt, pixel, sR, sG, sB);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1854 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, sR, sG, sB, alpha);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1855 dst += dstbpp;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1856 src += srcbpp;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1857 },
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1858 width);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1859 src += srcskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1860 dst += dstskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1861 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1862 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1863
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1864 static void BlitNtoNCopyAlpha(SDL_BlitInfo *info)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1865 {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1866 int width = info->d_width;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1867 int height = info->d_height;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1868 Uint8 *src = info->s_pixels;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1869 int srcskip = info->s_skip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1870 Uint8 *dst = info->d_pixels;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1871 int dstskip = info->d_skip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1872 SDL_PixelFormat *srcfmt = info->src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1873 int srcbpp = srcfmt->BytesPerPixel;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1874 SDL_PixelFormat *dstfmt = info->dst;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1875 int dstbpp = dstfmt->BytesPerPixel;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1876 int c;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1877
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1878 /* FIXME: should map alpha to [0..255] correctly! */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1879 while ( height-- ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1880 for ( c=width; c; --c ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1881 Uint32 pixel;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1882 unsigned sR, sG, sB, sA;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1883 DISEMBLE_RGBA(src, srcbpp, srcfmt, pixel,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1884 sR, sG, sB, sA);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1885 ASSEMBLE_RGBA(dst, dstbpp, dstfmt,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1886 sR, sG, sB, sA);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1887 dst += dstbpp;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1888 src += srcbpp;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1889 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1890 src += srcskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1891 dst += dstskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1892 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1893 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1894
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1895 static void BlitNto1Key(SDL_BlitInfo *info)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1896 {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1897 int width = info->d_width;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1898 int height = info->d_height;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1899 Uint8 *src = info->s_pixels;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1900 int srcskip = info->s_skip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1901 Uint8 *dst = info->d_pixels;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1902 int dstskip = info->d_skip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1903 SDL_PixelFormat *srcfmt = info->src;
91 e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	1904 const Uint8 *palmap = info->table;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1905 Uint32 ckey = srcfmt->colorkey;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1906 Uint32 rgbmask = ~srcfmt->Amask;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1907 int srcbpp;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1908 Uint32 pixel;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1909 Uint8 sR, sG, sB;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1910
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1911 /* Set up some basic variables */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1912 srcbpp = srcfmt->BytesPerPixel;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1913 ckey &= rgbmask;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1914
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1915 if ( palmap == NULL ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1916 while ( height-- ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1917 DUFFS_LOOP(
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1918 {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1919 DISEMBLE_RGB(src, srcbpp, srcfmt, pixel,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1920 sR, sG, sB);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1921 if ( (pixel & rgbmask) != ckey ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1922 /* Pack RGB into 8bit pixel */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1923 *dst = ((sR>>5)<<(3+2))\|
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1924 ((sG>>5)<<(2)) \|
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1925 ((sB>>6)<<(0)) ;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1926 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1927 dst++;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1928 src += srcbpp;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1929 },
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1930 width);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1931 src += srcskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1932 dst += dstskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1933 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1934 } else {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1935 while ( height-- ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1936 DUFFS_LOOP(
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1937 {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1938 DISEMBLE_RGB(src, srcbpp, srcfmt, pixel,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1939 sR, sG, sB);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1940 if ( (pixel & rgbmask) != ckey ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1941 /* Pack RGB into 8bit pixel */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1942 *dst = palmap[((sR>>5)<<(3+2))\|
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1943 ((sG>>5)<<(2)) \|
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1944 ((sB>>6)<<(0)) ];
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1945 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1946 dst++;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1947 src += srcbpp;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1948 },
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1949 width);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1950 src += srcskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1951 dst += dstskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1952 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1953 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1954 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1955
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1956 static void Blit2to2Key(SDL_BlitInfo *info)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1957 {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1958 int width = info->d_width;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1959 int height = info->d_height;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1960 Uint16 srcp = (Uint16 )info->s_pixels;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1961 int srcskip = info->s_skip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1962 Uint16 dstp = (Uint16 )info->d_pixels;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1963 int dstskip = info->d_skip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1964 Uint32 ckey = info->src->colorkey;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1965 Uint32 rgbmask = ~info->src->Amask;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1966
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1967 /* Set up some basic variables */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1968 srcskip /= 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1969 dstskip /= 2;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1970 ckey &= rgbmask;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1971
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1972 while ( height-- ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1973 DUFFS_LOOP(
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1974 {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1975 if ( (*srcp & rgbmask) != ckey ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1976 dstp = srcp;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1977 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1978 dstp++;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1979 srcp++;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1980 },
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1981 width);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1982 srcp += srcskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1983 dstp += dstskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1984 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1985 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1986
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1987 static void BlitNtoNKey(SDL_BlitInfo *info)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1988 {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1989 int width = info->d_width;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1990 int height = info->d_height;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1991 Uint8 *src = info->s_pixels;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1992 int srcskip = info->s_skip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1993 Uint8 *dst = info->d_pixels;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1994 int dstskip = info->d_skip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1995 Uint32 ckey = info->src->colorkey;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1996 SDL_PixelFormat *srcfmt = info->src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1997 SDL_PixelFormat *dstfmt = info->dst;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1998 int srcbpp = srcfmt->BytesPerPixel;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1999 int dstbpp = dstfmt->BytesPerPixel;
431 41cadcba32e8 Fixed SDL_DisplayFormatAlpha() on RGB surfaces with alpha Sam Lantinga <slouken@libsdl.org> parents: 366 diff changeset	2000 unsigned alpha = dstfmt->Amask ? srcfmt->alpha : 0;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2001
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2002 while ( height-- ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2003 DUFFS_LOOP(
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2004 {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2005 Uint32 pixel;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2006 unsigned sR;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2007 unsigned sG;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2008 unsigned sB;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2009 RETRIEVE_RGB_PIXEL(src, srcbpp, pixel);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2010 if ( pixel != ckey ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2011 RGB_FROM_PIXEL(pixel, srcfmt, sR, sG, sB);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2012 ASSEMBLE_RGBA(dst, dstbpp, dstfmt,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2013 sR, sG, sB, alpha);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2014 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2015 dst += dstbpp;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2016 src += srcbpp;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2017 },
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2018 width);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2019 src += srcskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2020 dst += dstskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2021 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2022 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2023
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2024 static void BlitNtoNKeyCopyAlpha(SDL_BlitInfo *info)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2025 {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2026 int width = info->d_width;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2027 int height = info->d_height;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2028 Uint8 *src = info->s_pixels;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2029 int srcskip = info->s_skip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2030 Uint8 *dst = info->d_pixels;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2031 int dstskip = info->d_skip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2032 Uint32 ckey = info->src->colorkey;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2033 SDL_PixelFormat *srcfmt = info->src;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2034 SDL_PixelFormat *dstfmt = info->dst;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2035 Uint32 rgbmask = ~srcfmt->Amask;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2036
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2037 Uint8 srcbpp;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2038 Uint8 dstbpp;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2039 Uint32 pixel;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2040 Uint8 sR, sG, sB, sA;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2041
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2042 /* Set up some basic variables */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2043 srcbpp = srcfmt->BytesPerPixel;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2044 dstbpp = dstfmt->BytesPerPixel;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2045 ckey &= rgbmask;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2046
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2047 /* FIXME: should map alpha to [0..255] correctly! */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2048 while ( height-- ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2049 DUFFS_LOOP(
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2050 {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2051 DISEMBLE_RGBA(src, srcbpp, srcfmt, pixel,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2052 sR, sG, sB, sA);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2053 if ( (pixel & rgbmask) != ckey ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2054 ASSEMBLE_RGBA(dst, dstbpp, dstfmt,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2055 sR, sG, sB, sA);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2056 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2057 dst += dstbpp;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2058 src += srcbpp;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2059 },
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2060 width);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2061 src += srcskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2062 dst += dstskip;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2063 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2064 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2065
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2066 /* Normal N to N optimized blitters */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2067 struct blit_table {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2068 Uint32 srcR, srcG, srcB;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2069 int dstbpp;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2070 Uint32 dstR, dstG, dstB;
1047 ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2071 Uint32 blit_features;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2072 void *aux_data;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2073 SDL_loblit blitfunc;
1047 ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2074 enum { NO_ALPHA=1, SET_ALPHA=2, COPY_ALPHA=4 } alpha;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2075 };
91 e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	2076 static const struct blit_table normal_blit_1[] = {
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2077 /* Default for 8-bit RGB source, an invalid combination */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2078 { 0,0,0, 0, 0,0,0, 0, NULL, NULL },
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2079 };
91 e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	2080 static const struct blit_table normal_blit_2[] = {
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2081 #ifdef USE_ASMBLIT
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2082 { 0x0000F800,0x000007E0,0x0000001F, 2, 0x0000001F,0x000007E0,0x0000F800,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2083 0, ConvertX86p16_16BGR565, ConvertX86, NO_ALPHA },
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2084 { 0x0000F800,0x000007E0,0x0000001F, 2, 0x00007C00,0x000003E0,0x0000001F,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2085 0, ConvertX86p16_16RGB555, ConvertX86, NO_ALPHA },
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2086 { 0x0000F800,0x000007E0,0x0000001F, 2, 0x0000001F,0x000003E0,0x00007C00,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2087 0, ConvertX86p16_16BGR555, ConvertX86, NO_ALPHA },
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2088 #endif
1047 ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2089 #ifdef USE_ALTIVEC_BLITTERS
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2090 /* has-altivec */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2091 { 0x0000F800,0x000007E0,0x0000001F, 4, 0x00000000,0x00000000,0x00000000,
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2092 2, NULL, Blit_RGB565_32Altivec, NO_ALPHA \| COPY_ALPHA \| SET_ALPHA },
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2093 #endif
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2094 { 0x0000F800,0x000007E0,0x0000001F, 4, 0x00FF0000,0x0000FF00,0x000000FF,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2095 0, NULL, Blit_RGB565_ARGB8888, SET_ALPHA },
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2096 { 0x0000F800,0x000007E0,0x0000001F, 4, 0x000000FF,0x0000FF00,0x00FF0000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2097 0, NULL, Blit_RGB565_ABGR8888, SET_ALPHA },
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2098 { 0x0000F800,0x000007E0,0x0000001F, 4, 0xFF000000,0x00FF0000,0x0000FF00,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2099 0, NULL, Blit_RGB565_RGBA8888, SET_ALPHA },
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2100 { 0x0000F800,0x000007E0,0x0000001F, 4, 0x0000FF00,0x00FF0000,0xFF000000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2101 0, NULL, Blit_RGB565_BGRA8888, SET_ALPHA },
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2102
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2103 /* Default for 16-bit RGB source, used if no other blitter matches */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2104 { 0,0,0, 0, 0,0,0, 0, NULL, BlitNtoN, 0 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2105 };
91 e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	2106 static const struct blit_table normal_blit_3[] = {
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2107 /* Default for 24-bit RGB source, never optimized */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2108 { 0,0,0, 0, 0,0,0, 0, NULL, BlitNtoN, 0 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2109 };
91 e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	2110 static const struct blit_table normal_blit_4[] = {
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2111 #ifdef USE_ASMBLIT
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2112 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000F800,0x000007E0,0x0000001F,
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 431 diff changeset	2113 1, ConvertMMXpII32_16RGB565, ConvertMMX, NO_ALPHA },
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2114 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000F800,0x000007E0,0x0000001F,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2115 0, ConvertX86p32_16RGB565, ConvertX86, NO_ALPHA },
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2116 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000007E0,0x0000F800,
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 431 diff changeset	2117 1, ConvertMMXpII32_16BGR565, ConvertMMX, NO_ALPHA },
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2118 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000007E0,0x0000F800,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2119 0, ConvertX86p32_16BGR565, ConvertX86, NO_ALPHA },
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2120 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x00007C00,0x000003E0,0x0000001F,
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 431 diff changeset	2121 1, ConvertMMXpII32_16RGB555, ConvertMMX, NO_ALPHA },
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2122 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x00007C00,0x000003E0,0x0000001F,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2123 0, ConvertX86p32_16RGB555, ConvertX86, NO_ALPHA },
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2124 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000003E0,0x00007C00,
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: 431 diff changeset	2125 1, ConvertMMXpII32_16BGR555, ConvertMMX, NO_ALPHA },
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2126 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000003E0,0x00007C00,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2127 0, ConvertX86p32_16BGR555, ConvertX86, NO_ALPHA },
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2128 { 0x00FF0000,0x0000FF00,0x000000FF, 3, 0x00FF0000,0x0000FF00,0x000000FF,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2129 0, ConvertX86p32_24RGB888, ConvertX86, NO_ALPHA },
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2130 { 0x00FF0000,0x0000FF00,0x000000FF, 3, 0x000000FF,0x0000FF00,0x00FF0000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2131 0, ConvertX86p32_24BGR888, ConvertX86, NO_ALPHA },
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2132 { 0x00FF0000,0x0000FF00,0x000000FF, 4, 0x000000FF,0x0000FF00,0x00FF0000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2133 0, ConvertX86p32_32BGR888, ConvertX86, NO_ALPHA },
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2134 { 0x00FF0000,0x0000FF00,0x000000FF, 4, 0xFF000000,0x00FF0000,0x0000FF00,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2135 0, ConvertX86p32_32RGBA888, ConvertX86, NO_ALPHA },
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2136 { 0x00FF0000,0x0000FF00,0x000000FF, 4, 0x0000FF00,0x00FF0000,0xFF000000,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2137 0, ConvertX86p32_32BGRA888, ConvertX86, NO_ALPHA },
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2138 #else
1047 ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2139 #ifdef USE_ALTIVEC_BLITTERS
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2140 /* has-altivec \| dont-use-prefetch */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2141 { 0x00000000,0x00000000,0x00000000, 4, 0x00000000,0x00000000,0x00000000,
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2142 6, NULL, ConvertAltivec32to32_noprefetch, NO_ALPHA \| COPY_ALPHA \| SET_ALPHA },
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2143 /* has-altivec */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2144 { 0x00000000,0x00000000,0x00000000, 4, 0x00000000,0x00000000,0x00000000,
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2145 2, NULL, ConvertAltivec32to32_prefetch, NO_ALPHA \| COPY_ALPHA \| SET_ALPHA },
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2146 /* has-altivec */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2147 { 0x00000000,0x00000000,0x00000000, 2, 0x0000F800,0x000007E0,0x0000001F,
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2148 2, NULL, Blit_RGB888_RGB565Altivec, NO_ALPHA },
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2149 #endif
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2150 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000F800,0x000007E0,0x0000001F,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2151 0, NULL, Blit_RGB888_RGB565, NO_ALPHA },
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2152 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x00007C00,0x000003E0,0x0000001F,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2153 0, NULL, Blit_RGB888_RGB555, NO_ALPHA },
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2154 #endif
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2155 /* Default for 32-bit RGB source, used if no other blitter matches */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2156 { 0,0,0, 0, 0,0,0, 0, NULL, BlitNtoN, 0 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2157 };
91 e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	2158 static const struct blit_table *normal_blit[] = {
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2159 normal_blit_1, normal_blit_2, normal_blit_3, normal_blit_4
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2160 };
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2161
1047 ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2162 /* Mask matches table, or table entry is zero */
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2163 #define MASKOK(x, y) (((x) == (y)) \|\| ((y) == 0x00000000))
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2164
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2165 SDL_loblit SDL_CalculateBlitN(SDL_Surface *surface, int blit_index)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2166 {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2167 struct private_swaccel *sdata;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2168 SDL_PixelFormat *srcfmt;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2169 SDL_PixelFormat *dstfmt;
91 e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	2170 const struct blit_table *table;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2171 int which;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2172 SDL_loblit blitfun;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2173
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2174 /* Set up data for choosing the blit */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2175 sdata = surface->map->sw_data;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2176 srcfmt = surface->format;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2177 dstfmt = surface->map->dst->format;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2178
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2179 if ( blit_index & 2 ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2180 /* alpha or alpha+colorkey */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2181 return SDL_CalculateAlphaBlit(surface, blit_index);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2182 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2183
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2184 /* We don't support destinations less than 8-bits */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2185 if ( dstfmt->BitsPerPixel < 8 ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2186 return(NULL);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2187 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2188
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2189 if(blit_index == 1) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2190 /* colorkey blit: Here we don't have too many options, mostly
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2191 because RLE is the preferred fast way to deal with this.
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2192 If a particular case turns out to be useful we'll add it. */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2193
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2194 if(srcfmt->BytesPerPixel == 2
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2195 && surface->map->identity)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2196 return Blit2to2Key;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2197 else if(dstfmt->BytesPerPixel == 1)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2198 return BlitNto1Key;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2199 else {
1047 ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2200 #ifdef USE_ALTIVEC_BLITTERS
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2201 if((srcfmt->BytesPerPixel == 4) && (dstfmt->BytesPerPixel == 4) && SDL_HasAltiVec()) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2202 return Blit32to32KeyAltivec;
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2203 } else
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2204 #endif
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2205
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2206 if(srcfmt->Amask && dstfmt->Amask)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2207 return BlitNtoNKeyCopyAlpha;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2208 else
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2209 return BlitNtoNKey;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2210 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2211 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2212
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2213 blitfun = NULL;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2214 if ( dstfmt->BitsPerPixel == 8 ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2215 /* We assume 8-bit destinations are palettized */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2216 if ( (srcfmt->BytesPerPixel == 4) &&
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2217 (srcfmt->Rmask == 0x00FF0000) &&
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2218 (srcfmt->Gmask == 0x0000FF00) &&
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2219 (srcfmt->Bmask == 0x000000FF) ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2220 if ( surface->map->table ) {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2221 blitfun = Blit_RGB888_index8_map;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2222 } else {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2223 #ifdef USE_ASMBLIT
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2224 sdata->aux_data = ConvertX86p32_8RGB332;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2225 blitfun = ConvertX86;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2226 #else
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2227 blitfun = Blit_RGB888_index8;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2228 #endif
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2229 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2230 } else {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2231 blitfun = BlitNto1;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2232 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2233 } else {
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2234 /* Now the meat, choose the blitter we want */
1047 ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2235 int a_need = 0;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2236 if(dstfmt->Amask)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2237 a_need = srcfmt->Amask ? COPY_ALPHA : SET_ALPHA;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2238 table = normal_blit[srcfmt->BytesPerPixel-1];
1047 ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2239 for ( which=0; table[which].dstbpp; ++which ) {
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2240 if ( MASKOK(srcfmt->Rmask, table[which].srcR) &&
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2241 MASKOK(srcfmt->Gmask, table[which].srcG) &&
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2242 MASKOK(srcfmt->Bmask, table[which].srcB) &&
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2243 MASKOK(dstfmt->Rmask, table[which].dstR) &&
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2244 MASKOK(dstfmt->Gmask, table[which].dstG) &&
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2245 MASKOK(dstfmt->Bmask, table[which].dstB) &&
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2246 dstfmt->BytesPerPixel == table[which].dstbpp &&
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2247 (a_need & table[which].alpha) == a_need &&
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	2248 ((table[which].blit_features & GetBlitFeatures()) == table[which].blit_features) )
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2249 break;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2250 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2251 sdata->aux_data = table[which].aux_data;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2252 blitfun = table[which].blitfunc;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2253 if(a_need == COPY_ALPHA && blitfun == BlitNtoN)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2254 blitfun = BlitNtoNCopyAlpha;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2255 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2256
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2257 #ifdef DEBUG_ASM
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2258 #ifdef USE_ASMBLIT
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2259 if ( blitfun == ConvertMMX )
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2260 fprintf(stderr, "Using mmx blit\n");
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2261 else
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2262 if ( blitfun == ConvertX86 )
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2263 fprintf(stderr, "Using asm blit\n");
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2264 else
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2265 #endif
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2266 if ( (blitfun == SDL_BlitNtoN) \|\| (blitfun == SDL_BlitNto1) )
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2267 fprintf(stderr, "Using C blit\n");
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2268 else
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2269 fprintf(stderr, "Using optimized C blit\n");
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2270 #endif /* DEBUG_ASM */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2271
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2272 return(blitfun);
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2273 }

Mercurial > sdl-ios-xcode

annotate src/video/SDL_blit_N.c @ 1047:ffaaf7ecf685