src/video/SDL_blit_N.c
author Sam Lantinga <slouken@libsdl.org>
Fri, 11 Feb 2011 14:51:04 -0800
changeset 5259 6a65c1fc07af
parent 3697 f7b03b6838cb
child 5262 b530ef003506
permissions -rw-r--r--
Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2010 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#include "SDL_video.h"
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#include "SDL_endian.h"
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#include "SDL_cpuinfo.h"
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#include "SDL_blit.h"
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/* Functions to blit from N-bit surfaces to other surfaces */
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/* Feature 1 is has-MMX */
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#define GetBlitFeatures() ((Uint32)(SDL_HasMMX() ? 1 : 0))
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/* This is now endian dependent */
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#if SDL_BYTEORDER == SDL_LIL_ENDIAN
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#define HI	1
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#define LO	0
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#else /* SDL_BYTEORDER == SDL_BIG_ENDIAN */
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#define HI	0
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#define LO	1
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#endif
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/* Special optimized blit for RGB 8-8-8 --> RGB 3-3-2 */
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#define RGB888_RGB332(dst, src) { \
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	dst = (Uint8)((((src)&0x00E00000)>>16)| \
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	              (((src)&0x0000E000)>>11)| \
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	              (((src)&0x000000C0)>>6)); \
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}
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static void
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Blit_RGB888_index8(SDL_BlitInfo * info)
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{
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#ifndef USE_DUFFS_LOOP
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    int c;
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#endif
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    int width, height;
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    Uint32 *src;
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    const Uint8 *map;
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    Uint8 *dst;
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    int srcskip, dstskip;
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    /* Set up some basic variables */
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    width = info->dst_w;
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    height = info->dst_h;
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    src = (Uint32 *) info->src;
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    srcskip = info->src_skip / 4;
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    dst = info->dst;
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    dstskip = info->dst_skip;
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    map = info->table;
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    if (map == NULL) {
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        while (height--) {
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#ifdef USE_DUFFS_LOOP
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			/* *INDENT-OFF* */
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			DUFFS_LOOP(
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				RGB888_RGB332(*dst++, *src);
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			, width);
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			/* *INDENT-ON* */
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#else
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            for (c = width / 4; c; --c) {
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                /* Pack RGB into 8bit pixel */
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                ++src;
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                RGB888_RGB332(*dst++, *src);
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                ++src;
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                RGB888_RGB332(*dst++, *src);
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                ++src;
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                RGB888_RGB332(*dst++, *src);
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                ++src;
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            }
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            switch (width & 3) {
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            case 3:
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                RGB888_RGB332(*dst++, *src);
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                ++src;
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            case 2:
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                RGB888_RGB332(*dst++, *src);
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                ++src;
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            case 1:
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                RGB888_RGB332(*dst++, *src);
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                ++src;
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            }
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#endif /* USE_DUFFS_LOOP */
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            src += srcskip;
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            dst += dstskip;
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        }
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    } else {
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        int Pixel;
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        while (height--) {
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#ifdef USE_DUFFS_LOOP
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			/* *INDENT-OFF* */
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			DUFFS_LOOP(
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				RGB888_RGB332(Pixel, *src);
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				*dst++ = map[Pixel];
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				++src;
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			, width);
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			/* *INDENT-ON* */
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#else
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            for (c = width / 4; c; --c) {
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                /* Pack RGB into 8bit pixel */
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                RGB888_RGB332(Pixel, *src);
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                *dst++ = map[Pixel];
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                ++src;
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                RGB888_RGB332(Pixel, *src);
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                *dst++ = map[Pixel];
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                ++src;
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                RGB888_RGB332(Pixel, *src);
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                *dst++ = map[Pixel];
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                ++src;
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                RGB888_RGB332(Pixel, *src);
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                *dst++ = map[Pixel];
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                ++src;
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            }
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            switch (width & 3) {
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            case 3:
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                RGB888_RGB332(Pixel, *src);
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                *dst++ = map[Pixel];
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                ++src;
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            case 2:
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                RGB888_RGB332(Pixel, *src);
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                *dst++ = map[Pixel];
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                ++src;
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            case 1:
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                RGB888_RGB332(Pixel, *src);
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                *dst++ = map[Pixel];
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                ++src;
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            }
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#endif /* USE_DUFFS_LOOP */
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            src += srcskip;
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            dst += dstskip;
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        }
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    }
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}
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/* Special optimized blit for RGB 8-8-8 --> RGB 5-5-5 */
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#define RGB888_RGB555(dst, src) { \
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	*(Uint16 *)(dst) = (Uint16)((((*src)&0x00F80000)>>9)| \
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	                            (((*src)&0x0000F800)>>6)| \
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	                            (((*src)&0x000000F8)>>3)); \
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}
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#define RGB888_RGB555_TWO(dst, src) { \
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	*(Uint32 *)(dst) = (((((src[HI])&0x00F80000)>>9)| \
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	                     (((src[HI])&0x0000F800)>>6)| \
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	                     (((src[HI])&0x000000F8)>>3))<<16)| \
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	                     (((src[LO])&0x00F80000)>>9)| \
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	                     (((src[LO])&0x0000F800)>>6)| \
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	                     (((src[LO])&0x000000F8)>>3); \
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}
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static void
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Blit_RGB888_RGB555(SDL_BlitInfo * info)
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{
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#ifndef USE_DUFFS_LOOP
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    int c;
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#endif
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    int width, height;
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    Uint32 *src;
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    Uint16 *dst;
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    int srcskip, dstskip;
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    /* Set up some basic variables */
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    width = info->dst_w;
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    height = info->dst_h;
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    src = (Uint32 *) info->src;
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    srcskip = info->src_skip / 4;
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    dst = (Uint16 *) info->dst;
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    dstskip = info->dst_skip / 2;
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#ifdef USE_DUFFS_LOOP
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    while (height--) {
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		/* *INDENT-OFF* */
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		DUFFS_LOOP(
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			RGB888_RGB555(dst, src);
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			++src;
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			++dst;
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		, width);
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		/* *INDENT-ON* */
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        src += srcskip;
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        dst += dstskip;
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    }
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#else
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    /* Memory align at 4-byte boundary, if necessary */
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    if ((long) dst & 0x03) {
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        /* Don't do anything if width is 0 */
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        if (width == 0) {
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            return;
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        }
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        --width;
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        while (height--) {
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            /* Perform copy alignment */
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            RGB888_RGB555(dst, src);
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            ++src;
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            ++dst;
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            /* Copy in 4 pixel chunks */
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            for (c = width / 4; c; --c) {
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                RGB888_RGB555_TWO(dst, src);
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                src += 2;
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                dst += 2;
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                RGB888_RGB555_TWO(dst, src);
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                src += 2;
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                dst += 2;
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            }
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            /* Get any leftovers */
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            switch (width & 3) {
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            case 3:
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                RGB888_RGB555(dst, src);
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                ++src;
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                ++dst;
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            case 2:
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                RGB888_RGB555_TWO(dst, src);
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                src += 2;
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                dst += 2;
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                break;
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            case 1:
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                RGB888_RGB555(dst, src);
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                ++src;
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                ++dst;
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                break;
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            }
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            src += srcskip;
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            dst += dstskip;
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        }
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    } else {
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        while (height--) {
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            /* Copy in 4 pixel chunks */
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            for (c = width / 4; c; --c) {
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                RGB888_RGB555_TWO(dst, src);
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                src += 2;
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                dst += 2;
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                RGB888_RGB555_TWO(dst, src);
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                src += 2;
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                dst += 2;
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            }
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            /* Get any leftovers */
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            switch (width & 3) {
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            case 3:
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                RGB888_RGB555(dst, src);
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                ++src;
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                ++dst;
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            case 2:
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                RGB888_RGB555_TWO(dst, src);
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                src += 2;
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                dst += 2;
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                break;
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            case 1:
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                RGB888_RGB555(dst, src);
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                ++src;
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                ++dst;
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                break;
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            }
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            src += srcskip;
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            dst += dstskip;
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        }
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    }
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#endif /* USE_DUFFS_LOOP */
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}
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/* Special optimized blit for RGB 8-8-8 --> RGB 5-6-5 */
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#define RGB888_RGB565(dst, src) { \
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	*(Uint16 *)(dst) = (Uint16)((((*src)&0x00F80000)>>8)| \
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	                            (((*src)&0x0000FC00)>>5)| \
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	                            (((*src)&0x000000F8)>>3)); \
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}
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#define RGB888_RGB565_TWO(dst, src) { \
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	*(Uint32 *)(dst) = (((((src[HI])&0x00F80000)>>8)| \
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	                     (((src[HI])&0x0000FC00)>>5)| \
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	                     (((src[HI])&0x000000F8)>>3))<<16)| \
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	                     (((src[LO])&0x00F80000)>>8)| \
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	                     (((src[LO])&0x0000FC00)>>5)| \
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	                     (((src[LO])&0x000000F8)>>3); \
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}
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static void
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Blit_RGB888_RGB565(SDL_BlitInfo * info)
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{
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#ifndef USE_DUFFS_LOOP
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    int c;
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#endif
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    int width, height;
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    Uint32 *src;
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    Uint16 *dst;
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    int srcskip, dstskip;
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    /* Set up some basic variables */
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    width = info->dst_w;
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    height = info->dst_h;
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    src = (Uint32 *) info->src;
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    srcskip = info->src_skip / 4;
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    dst = (Uint16 *) info->dst;
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    dstskip = info->dst_skip / 2;
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#ifdef USE_DUFFS_LOOP
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    while (height--) {
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		/* *INDENT-OFF* */
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		DUFFS_LOOP(
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			RGB888_RGB565(dst, src);
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			++src;
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			++dst;
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		, width);
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		/* *INDENT-ON* */
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        src += srcskip;
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        dst += dstskip;
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    }
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#else
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   323
    /* Memory align at 4-byte boundary, if necessary */
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   324
    if ((long) dst & 0x03) {
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   325
        /* Don't do anything if width is 0 */
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   326
        if (width == 0) {
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   327
            return;
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   328
        }
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   329
        --width;
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   330
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   331
        while (height--) {
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            /* Perform copy alignment */
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            RGB888_RGB565(dst, src);
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   334
            ++src;
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   335
            ++dst;
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   336
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   337
            /* Copy in 4 pixel chunks */
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   338
            for (c = width / 4; c; --c) {
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   339
                RGB888_RGB565_TWO(dst, src);
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   340
                src += 2;
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   341
                dst += 2;
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   342
                RGB888_RGB565_TWO(dst, src);
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   343
                src += 2;
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   344
                dst += 2;
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   345
            }
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   346
            /* Get any leftovers */
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   347
            switch (width & 3) {
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   348
            case 3:
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   349
                RGB888_RGB565(dst, src);
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   350
                ++src;
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   351
                ++dst;
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   352
            case 2:
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   353
                RGB888_RGB565_TWO(dst, src);
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   354
                src += 2;
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   355
                dst += 2;
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   356
                break;
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   357
            case 1:
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   358
                RGB888_RGB565(dst, src);
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   359
                ++src;
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   360
                ++dst;
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   361
                break;
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   362
            }
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   363
            src += srcskip;
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   364
            dst += dstskip;
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   365
        }
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   366
    } else {
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   367
        while (height--) {
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   368
            /* Copy in 4 pixel chunks */
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   369
            for (c = width / 4; c; --c) {
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   370
                RGB888_RGB565_TWO(dst, src);
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   371
                src += 2;
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   372
                dst += 2;
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   373
                RGB888_RGB565_TWO(dst, src);
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   374
                src += 2;
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   375
                dst += 2;
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   376
            }
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   377
            /* Get any leftovers */
slouken@1895
   378
            switch (width & 3) {
slouken@1895
   379
            case 3:
slouken@1895
   380
                RGB888_RGB565(dst, src);
slouken@1895
   381
                ++src;
slouken@1895
   382
                ++dst;
slouken@1895
   383
            case 2:
slouken@1895
   384
                RGB888_RGB565_TWO(dst, src);
slouken@1895
   385
                src += 2;
slouken@1895
   386
                dst += 2;
slouken@1895
   387
                break;
slouken@1895
   388
            case 1:
slouken@1895
   389
                RGB888_RGB565(dst, src);
slouken@1895
   390
                ++src;
slouken@1895
   391
                ++dst;
slouken@1895
   392
                break;
slouken@1895
   393
            }
slouken@1895
   394
            src += srcskip;
slouken@1895
   395
            dst += dstskip;
slouken@1895
   396
        }
slouken@1895
   397
    }
slouken@0
   398
#endif /* USE_DUFFS_LOOP */
slouken@0
   399
}
slouken@0
   400
slouken@0
   401
slouken@0
   402
/* Special optimized blit for RGB 5-6-5 --> 32-bit RGB surfaces */
icculus@1047
   403
#define RGB565_32(dst, src, map) (map[src[LO]*2] + map[src[HI]*2+1])
slouken@1895
   404
static void
slouken@1895
   405
Blit_RGB565_32(SDL_BlitInfo * info, const Uint32 * map)
slouken@0
   406
{
slouken@0
   407
#ifndef USE_DUFFS_LOOP
slouken@1895
   408
    int c;
slouken@0
   409
#endif
slouken@1895
   410
    int width, height;
slouken@1895
   411
    Uint8 *src;
slouken@1895
   412
    Uint32 *dst;
slouken@1895
   413
    int srcskip, dstskip;
slouken@0
   414
slouken@1895
   415
    /* Set up some basic variables */
slouken@2262
   416
    width = info->dst_w;
slouken@2262
   417
    height = info->dst_h;
slouken@2262
   418
    src = (Uint8 *) info->src;
slouken@2267
   419
    srcskip = info->src_skip;
slouken@2262
   420
    dst = (Uint32 *) info->dst;
slouken@2267
   421
    dstskip = info->dst_skip / 4;
slouken@0
   422
slouken@0
   423
#ifdef USE_DUFFS_LOOP
slouken@1895
   424
    while (height--) {
slouken@1895
   425
		/* *INDENT-OFF* */
slouken@0
   426
		DUFFS_LOOP(
slouken@0
   427
		{
slouken@0
   428
			*dst++ = RGB565_32(dst, src, map);
slouken@0
   429
			src += 2;
slouken@0
   430
		},
slouken@0
   431
		width);
slouken@1895
   432
		/* *INDENT-ON* */
slouken@1895
   433
        src += srcskip;
slouken@1895
   434
        dst += dstskip;
slouken@1895
   435
    }
slouken@0
   436
#else
slouken@1895
   437
    while (height--) {
slouken@1895
   438
        /* Copy in 4 pixel chunks */
slouken@1895
   439
        for (c = width / 4; c; --c) {
slouken@1895
   440
            *dst++ = RGB565_32(dst, src, map);
slouken@1895
   441
            src += 2;
slouken@1895
   442
            *dst++ = RGB565_32(dst, src, map);
slouken@1895
   443
            src += 2;
slouken@1895
   444
            *dst++ = RGB565_32(dst, src, map);
slouken@1895
   445
            src += 2;
slouken@1895
   446
            *dst++ = RGB565_32(dst, src, map);
slouken@1895
   447
            src += 2;
slouken@1895
   448
        }
slouken@1895
   449
        /* Get any leftovers */
slouken@1895
   450
        switch (width & 3) {
slouken@1895
   451
        case 3:
slouken@1895
   452
            *dst++ = RGB565_32(dst, src, map);
slouken@1895
   453
            src += 2;
slouken@1895
   454
        case 2:
slouken@1895
   455
            *dst++ = RGB565_32(dst, src, map);
slouken@1895
   456
            src += 2;
slouken@1895
   457
        case 1:
slouken@1895
   458
            *dst++ = RGB565_32(dst, src, map);
slouken@1895
   459
            src += 2;
slouken@1895
   460
            break;
slouken@1895
   461
        }
slouken@1895
   462
        src += srcskip;
slouken@1895
   463
        dst += dstskip;
slouken@1895
   464
    }
slouken@0
   465
#endif /* USE_DUFFS_LOOP */
slouken@0
   466
}
slouken@0
   467
slouken@0
   468
/* Special optimized blit for RGB 5-6-5 --> ARGB 8-8-8-8 */
slouken@91
   469
static const Uint32 RGB565_ARGB8888_LUT[512] = {
slouken@1895
   470
    0x00000000, 0xff000000, 0x00000008, 0xff002000,
slouken@1895
   471
    0x00000010, 0xff004000, 0x00000018, 0xff006100,
slouken@1895
   472
    0x00000020, 0xff008100, 0x00000029, 0xff00a100,
slouken@1895
   473
    0x00000031, 0xff00c200, 0x00000039, 0xff00e200,
slouken@1895
   474
    0x00000041, 0xff080000, 0x0000004a, 0xff082000,
slouken@1895
   475
    0x00000052, 0xff084000, 0x0000005a, 0xff086100,
slouken@1895
   476
    0x00000062, 0xff088100, 0x0000006a, 0xff08a100,
slouken@1895
   477
    0x00000073, 0xff08c200, 0x0000007b, 0xff08e200,
slouken@1895
   478
    0x00000083, 0xff100000, 0x0000008b, 0xff102000,
slouken@1895
   479
    0x00000094, 0xff104000, 0x0000009c, 0xff106100,
slouken@1895
   480
    0x000000a4, 0xff108100, 0x000000ac, 0xff10a100,
slouken@1895
   481
    0x000000b4, 0xff10c200, 0x000000bd, 0xff10e200,
slouken@1895
   482
    0x000000c5, 0xff180000, 0x000000cd, 0xff182000,
slouken@1895
   483
    0x000000d5, 0xff184000, 0x000000de, 0xff186100,
slouken@1895
   484
    0x000000e6, 0xff188100, 0x000000ee, 0xff18a100,
slouken@1895
   485
    0x000000f6, 0xff18c200, 0x000000ff, 0xff18e200,
slouken@1895
   486
    0x00000400, 0xff200000, 0x00000408, 0xff202000,
slouken@1895
   487
    0x00000410, 0xff204000, 0x00000418, 0xff206100,
slouken@1895
   488
    0x00000420, 0xff208100, 0x00000429, 0xff20a100,
slouken@1895
   489
    0x00000431, 0xff20c200, 0x00000439, 0xff20e200,
slouken@1895
   490
    0x00000441, 0xff290000, 0x0000044a, 0xff292000,
slouken@1895
   491
    0x00000452, 0xff294000, 0x0000045a, 0xff296100,
slouken@1895
   492
    0x00000462, 0xff298100, 0x0000046a, 0xff29a100,
slouken@1895
   493
    0x00000473, 0xff29c200, 0x0000047b, 0xff29e200,
slouken@1895
   494
    0x00000483, 0xff310000, 0x0000048b, 0xff312000,
slouken@1895
   495
    0x00000494, 0xff314000, 0x0000049c, 0xff316100,
slouken@1895
   496
    0x000004a4, 0xff318100, 0x000004ac, 0xff31a100,
slouken@1895
   497
    0x000004b4, 0xff31c200, 0x000004bd, 0xff31e200,
slouken@1895
   498
    0x000004c5, 0xff390000, 0x000004cd, 0xff392000,
slouken@1895
   499
    0x000004d5, 0xff394000, 0x000004de, 0xff396100,
slouken@1895
   500
    0x000004e6, 0xff398100, 0x000004ee, 0xff39a100,
slouken@1895
   501
    0x000004f6, 0xff39c200, 0x000004ff, 0xff39e200,
slouken@1895
   502
    0x00000800, 0xff410000, 0x00000808, 0xff412000,
slouken@1895
   503
    0x00000810, 0xff414000, 0x00000818, 0xff416100,
slouken@1895
   504
    0x00000820, 0xff418100, 0x00000829, 0xff41a100,
slouken@1895
   505
    0x00000831, 0xff41c200, 0x00000839, 0xff41e200,
slouken@1895
   506
    0x00000841, 0xff4a0000, 0x0000084a, 0xff4a2000,
slouken@1895
   507
    0x00000852, 0xff4a4000, 0x0000085a, 0xff4a6100,
slouken@1895
   508
    0x00000862, 0xff4a8100, 0x0000086a, 0xff4aa100,
slouken@1895
   509
    0x00000873, 0xff4ac200, 0x0000087b, 0xff4ae200,
slouken@1895
   510
    0x00000883, 0xff520000, 0x0000088b, 0xff522000,
slouken@1895
   511
    0x00000894, 0xff524000, 0x0000089c, 0xff526100,
slouken@1895
   512
    0x000008a4, 0xff528100, 0x000008ac, 0xff52a100,
slouken@1895
   513
    0x000008b4, 0xff52c200, 0x000008bd, 0xff52e200,
slouken@1895
   514
    0x000008c5, 0xff5a0000, 0x000008cd, 0xff5a2000,
slouken@1895
   515
    0x000008d5, 0xff5a4000, 0x000008de, 0xff5a6100,
slouken@1895
   516
    0x000008e6, 0xff5a8100, 0x000008ee, 0xff5aa100,
slouken@1895
   517
    0x000008f6, 0xff5ac200, 0x000008ff, 0xff5ae200,
slouken@1895
   518
    0x00000c00, 0xff620000, 0x00000c08, 0xff622000,
slouken@1895
   519
    0x00000c10, 0xff624000, 0x00000c18, 0xff626100,
slouken@1895
   520
    0x00000c20, 0xff628100, 0x00000c29, 0xff62a100,
slouken@1895
   521
    0x00000c31, 0xff62c200, 0x00000c39, 0xff62e200,
slouken@1895
   522
    0x00000c41, 0xff6a0000, 0x00000c4a, 0xff6a2000,
slouken@1895
   523
    0x00000c52, 0xff6a4000, 0x00000c5a, 0xff6a6100,
slouken@1895
   524
    0x00000c62, 0xff6a8100, 0x00000c6a, 0xff6aa100,
slouken@1895
   525
    0x00000c73, 0xff6ac200, 0x00000c7b, 0xff6ae200,
slouken@1895
   526
    0x00000c83, 0xff730000, 0x00000c8b, 0xff732000,
slouken@1895
   527
    0x00000c94, 0xff734000, 0x00000c9c, 0xff736100,
slouken@1895
   528
    0x00000ca4, 0xff738100, 0x00000cac, 0xff73a100,
slouken@1895
   529
    0x00000cb4, 0xff73c200, 0x00000cbd, 0xff73e200,
slouken@1895
   530
    0x00000cc5, 0xff7b0000, 0x00000ccd, 0xff7b2000,
slouken@1895
   531
    0x00000cd5, 0xff7b4000, 0x00000cde, 0xff7b6100,
slouken@1895
   532
    0x00000ce6, 0xff7b8100, 0x00000cee, 0xff7ba100,
slouken@1895
   533
    0x00000cf6, 0xff7bc200, 0x00000cff, 0xff7be200,
slouken@1895
   534
    0x00001000, 0xff830000, 0x00001008, 0xff832000,
slouken@1895
   535
    0x00001010, 0xff834000, 0x00001018, 0xff836100,
slouken@1895
   536
    0x00001020, 0xff838100, 0x00001029, 0xff83a100,
slouken@1895
   537
    0x00001031, 0xff83c200, 0x00001039, 0xff83e200,
slouken@1895
   538
    0x00001041, 0xff8b0000, 0x0000104a, 0xff8b2000,
slouken@1895
   539
    0x00001052, 0xff8b4000, 0x0000105a, 0xff8b6100,
slouken@1895
   540
    0x00001062, 0xff8b8100, 0x0000106a, 0xff8ba100,
slouken@1895
   541
    0x00001073, 0xff8bc200, 0x0000107b, 0xff8be200,
slouken@1895
   542
    0x00001083, 0xff940000, 0x0000108b, 0xff942000,
slouken@1895
   543
    0x00001094, 0xff944000, 0x0000109c, 0xff946100,
slouken@1895
   544
    0x000010a4, 0xff948100, 0x000010ac, 0xff94a100,
slouken@1895
   545
    0x000010b4, 0xff94c200, 0x000010bd, 0xff94e200,
slouken@1895
   546
    0x000010c5, 0xff9c0000, 0x000010cd, 0xff9c2000,
slouken@1895
   547
    0x000010d5, 0xff9c4000, 0x000010de, 0xff9c6100,
slouken@1895
   548
    0x000010e6, 0xff9c8100, 0x000010ee, 0xff9ca100,
slouken@1895
   549
    0x000010f6, 0xff9cc200, 0x000010ff, 0xff9ce200,
slouken@1895
   550
    0x00001400, 0xffa40000, 0x00001408, 0xffa42000,
slouken@1895
   551
    0x00001410, 0xffa44000, 0x00001418, 0xffa46100,
slouken@1895
   552
    0x00001420, 0xffa48100, 0x00001429, 0xffa4a100,
slouken@1895
   553
    0x00001431, 0xffa4c200, 0x00001439, 0xffa4e200,
slouken@1895
   554
    0x00001441, 0xffac0000, 0x0000144a, 0xffac2000,
slouken@1895
   555
    0x00001452, 0xffac4000, 0x0000145a, 0xffac6100,
slouken@1895
   556
    0x00001462, 0xffac8100, 0x0000146a, 0xffaca100,
slouken@1895
   557
    0x00001473, 0xffacc200, 0x0000147b, 0xfface200,
slouken@1895
   558
    0x00001483, 0xffb40000, 0x0000148b, 0xffb42000,
slouken@1895
   559
    0x00001494, 0xffb44000, 0x0000149c, 0xffb46100,
slouken@1895
   560
    0x000014a4, 0xffb48100, 0x000014ac, 0xffb4a100,
slouken@1895
   561
    0x000014b4, 0xffb4c200, 0x000014bd, 0xffb4e200,
slouken@1895
   562
    0x000014c5, 0xffbd0000, 0x000014cd, 0xffbd2000,
slouken@1895
   563
    0x000014d5, 0xffbd4000, 0x000014de, 0xffbd6100,
slouken@1895
   564
    0x000014e6, 0xffbd8100, 0x000014ee, 0xffbda100,
slouken@1895
   565
    0x000014f6, 0xffbdc200, 0x000014ff, 0xffbde200,
slouken@1895
   566
    0x00001800, 0xffc50000, 0x00001808, 0xffc52000,
slouken@1895
   567
    0x00001810, 0xffc54000, 0x00001818, 0xffc56100,
slouken@1895
   568
    0x00001820, 0xffc58100, 0x00001829, 0xffc5a100,
slouken@1895
   569
    0x00001831, 0xffc5c200, 0x00001839, 0xffc5e200,
slouken@1895
   570
    0x00001841, 0xffcd0000, 0x0000184a, 0xffcd2000,
slouken@1895
   571
    0x00001852, 0xffcd4000, 0x0000185a, 0xffcd6100,
slouken@1895
   572
    0x00001862, 0xffcd8100, 0x0000186a, 0xffcda100,
slouken@1895
   573
    0x00001873, 0xffcdc200, 0x0000187b, 0xffcde200,
slouken@1895
   574
    0x00001883, 0xffd50000, 0x0000188b, 0xffd52000,
slouken@1895
   575
    0x00001894, 0xffd54000, 0x0000189c, 0xffd56100,
slouken@1895
   576
    0x000018a4, 0xffd58100, 0x000018ac, 0xffd5a100,
slouken@1895
   577
    0x000018b4, 0xffd5c200, 0x000018bd, 0xffd5e200,
slouken@1895
   578
    0x000018c5, 0xffde0000, 0x000018cd, 0xffde2000,
slouken@1895
   579
    0x000018d5, 0xffde4000, 0x000018de, 0xffde6100,
slouken@1895
   580
    0x000018e6, 0xffde8100, 0x000018ee, 0xffdea100,
slouken@1895
   581
    0x000018f6, 0xffdec200, 0x000018ff, 0xffdee200,
slouken@1895
   582
    0x00001c00, 0xffe60000, 0x00001c08, 0xffe62000,
slouken@1895
   583
    0x00001c10, 0xffe64000, 0x00001c18, 0xffe66100,
slouken@1895
   584
    0x00001c20, 0xffe68100, 0x00001c29, 0xffe6a100,
slouken@1895
   585
    0x00001c31, 0xffe6c200, 0x00001c39, 0xffe6e200,
slouken@1895
   586
    0x00001c41, 0xffee0000, 0x00001c4a, 0xffee2000,
slouken@1895
   587
    0x00001c52, 0xffee4000, 0x00001c5a, 0xffee6100,
slouken@1895
   588
    0x00001c62, 0xffee8100, 0x00001c6a, 0xffeea100,
slouken@1895
   589
    0x00001c73, 0xffeec200, 0x00001c7b, 0xffeee200,
slouken@1895
   590
    0x00001c83, 0xfff60000, 0x00001c8b, 0xfff62000,
slouken@1895
   591
    0x00001c94, 0xfff64000, 0x00001c9c, 0xfff66100,
slouken@1895
   592
    0x00001ca4, 0xfff68100, 0x00001cac, 0xfff6a100,
slouken@1895
   593
    0x00001cb4, 0xfff6c200, 0x00001cbd, 0xfff6e200,
slouken@1895
   594
    0x00001cc5, 0xffff0000, 0x00001ccd, 0xffff2000,
slouken@1895
   595
    0x00001cd5, 0xffff4000, 0x00001cde, 0xffff6100,
slouken@1895
   596
    0x00001ce6, 0xffff8100, 0x00001cee, 0xffffa100,
slouken@1895
   597
    0x00001cf6, 0xffffc200, 0x00001cff, 0xffffe200
slouken@0
   598
};
slouken@2735
   599
slouken@1895
   600
static void
slouken@1895
   601
Blit_RGB565_ARGB8888(SDL_BlitInfo * info)
slouken@0
   602
{
slouken@0
   603
    Blit_RGB565_32(info, RGB565_ARGB8888_LUT);
slouken@0
   604
}
slouken@0
   605
slouken@0
   606
/* Special optimized blit for RGB 5-6-5 --> ABGR 8-8-8-8 */
slouken@91
   607
static const Uint32 RGB565_ABGR8888_LUT[512] = {
slouken@1895
   608
    0xff000000, 0x00000000, 0xff080000, 0x00002000,
slouken@1895
   609
    0xff100000, 0x00004000, 0xff180000, 0x00006100,
slouken@1895
   610
    0xff200000, 0x00008100, 0xff290000, 0x0000a100,
slouken@1895
   611
    0xff310000, 0x0000c200, 0xff390000, 0x0000e200,
slouken@1895
   612
    0xff410000, 0x00000008, 0xff4a0000, 0x00002008,
slouken@1895
   613
    0xff520000, 0x00004008, 0xff5a0000, 0x00006108,
slouken@1895
   614
    0xff620000, 0x00008108, 0xff6a0000, 0x0000a108,
slouken@1895
   615
    0xff730000, 0x0000c208, 0xff7b0000, 0x0000e208,
slouken@1895
   616
    0xff830000, 0x00000010, 0xff8b0000, 0x00002010,
slouken@1895
   617
    0xff940000, 0x00004010, 0xff9c0000, 0x00006110,
slouken@1895
   618
    0xffa40000, 0x00008110, 0xffac0000, 0x0000a110,
slouken@1895
   619
    0xffb40000, 0x0000c210, 0xffbd0000, 0x0000e210,
slouken@1895
   620
    0xffc50000, 0x00000018, 0xffcd0000, 0x00002018,
slouken@1895
   621
    0xffd50000, 0x00004018, 0xffde0000, 0x00006118,
slouken@1895
   622
    0xffe60000, 0x00008118, 0xffee0000, 0x0000a118,
slouken@1895
   623
    0xfff60000, 0x0000c218, 0xffff0000, 0x0000e218,
slouken@1895
   624
    0xff000400, 0x00000020, 0xff080400, 0x00002020,
slouken@1895
   625
    0xff100400, 0x00004020, 0xff180400, 0x00006120,
slouken@1895
   626
    0xff200400, 0x00008120, 0xff290400, 0x0000a120,
slouken@1895
   627
    0xff310400, 0x0000c220, 0xff390400, 0x0000e220,
slouken@1895
   628
    0xff410400, 0x00000029, 0xff4a0400, 0x00002029,
slouken@1895
   629
    0xff520400, 0x00004029, 0xff5a0400, 0x00006129,
slouken@1895
   630
    0xff620400, 0x00008129, 0xff6a0400, 0x0000a129,
slouken@1895
   631
    0xff730400, 0x0000c229, 0xff7b0400, 0x0000e229,
slouken@1895
   632
    0xff830400, 0x00000031, 0xff8b0400, 0x00002031,
slouken@1895
   633
    0xff940400, 0x00004031, 0xff9c0400, 0x00006131,
slouken@1895
   634
    0xffa40400, 0x00008131, 0xffac0400, 0x0000a131,
slouken@1895
   635
    0xffb40400, 0x0000c231, 0xffbd0400, 0x0000e231,
slouken@1895
   636
    0xffc50400, 0x00000039, 0xffcd0400, 0x00002039,
slouken@1895
   637
    0xffd50400, 0x00004039, 0xffde0400, 0x00006139,
slouken@1895
   638
    0xffe60400, 0x00008139, 0xffee0400, 0x0000a139,
slouken@1895
   639
    0xfff60400, 0x0000c239, 0xffff0400, 0x0000e239,
slouken@1895
   640
    0xff000800, 0x00000041, 0xff080800, 0x00002041,
slouken@1895
   641
    0xff100800, 0x00004041, 0xff180800, 0x00006141,
slouken@1895
   642
    0xff200800, 0x00008141, 0xff290800, 0x0000a141,
slouken@1895
   643
    0xff310800, 0x0000c241, 0xff390800, 0x0000e241,
slouken@1895
   644
    0xff410800, 0x0000004a, 0xff4a0800, 0x0000204a,
slouken@1895
   645
    0xff520800, 0x0000404a, 0xff5a0800, 0x0000614a,
slouken@1895
   646
    0xff620800, 0x0000814a, 0xff6a0800, 0x0000a14a,
slouken@1895
   647
    0xff730800, 0x0000c24a, 0xff7b0800, 0x0000e24a,
slouken@1895
   648
    0xff830800, 0x00000052, 0xff8b0800, 0x00002052,
slouken@1895
   649
    0xff940800, 0x00004052, 0xff9c0800, 0x00006152,
slouken@1895
   650
    0xffa40800, 0x00008152, 0xffac0800, 0x0000a152,
slouken@1895
   651
    0xffb40800, 0x0000c252, 0xffbd0800, 0x0000e252,
slouken@1895
   652
    0xffc50800, 0x0000005a, 0xffcd0800, 0x0000205a,
slouken@1895
   653
    0xffd50800, 0x0000405a, 0xffde0800, 0x0000615a,
slouken@1895
   654
    0xffe60800, 0x0000815a, 0xffee0800, 0x0000a15a,
slouken@1895
   655
    0xfff60800, 0x0000c25a, 0xffff0800, 0x0000e25a,
slouken@1895
   656
    0xff000c00, 0x00000062, 0xff080c00, 0x00002062,
slouken@1895
   657
    0xff100c00, 0x00004062, 0xff180c00, 0x00006162,
slouken@1895
   658
    0xff200c00, 0x00008162, 0xff290c00, 0x0000a162,
slouken@1895
   659
    0xff310c00, 0x0000c262, 0xff390c00, 0x0000e262,
slouken@1895
   660
    0xff410c00, 0x0000006a, 0xff4a0c00, 0x0000206a,
slouken@1895
   661
    0xff520c00, 0x0000406a, 0xff5a0c00, 0x0000616a,
slouken@1895
   662
    0xff620c00, 0x0000816a, 0xff6a0c00, 0x0000a16a,
slouken@1895
   663
    0xff730c00, 0x0000c26a, 0xff7b0c00, 0x0000e26a,
slouken@1895
   664
    0xff830c00, 0x00000073, 0xff8b0c00, 0x00002073,
slouken@1895
   665
    0xff940c00, 0x00004073, 0xff9c0c00, 0x00006173,
slouken@1895
   666
    0xffa40c00, 0x00008173, 0xffac0c00, 0x0000a173,
slouken@1895
   667
    0xffb40c00, 0x0000c273, 0xffbd0c00, 0x0000e273,
slouken@1895
   668
    0xffc50c00, 0x0000007b, 0xffcd0c00, 0x0000207b,
slouken@1895
   669
    0xffd50c00, 0x0000407b, 0xffde0c00, 0x0000617b,
slouken@1895
   670
    0xffe60c00, 0x0000817b, 0xffee0c00, 0x0000a17b,
slouken@1895
   671
    0xfff60c00, 0x0000c27b, 0xffff0c00, 0x0000e27b,
slouken@1895
   672
    0xff001000, 0x00000083, 0xff081000, 0x00002083,
slouken@1895
   673
    0xff101000, 0x00004083, 0xff181000, 0x00006183,
slouken@1895
   674
    0xff201000, 0x00008183, 0xff291000, 0x0000a183,
slouken@1895
   675
    0xff311000, 0x0000c283, 0xff391000, 0x0000e283,
slouken@1895
   676
    0xff411000, 0x0000008b, 0xff4a1000, 0x0000208b,
slouken@1895
   677
    0xff521000, 0x0000408b, 0xff5a1000, 0x0000618b,
slouken@1895
   678
    0xff621000, 0x0000818b, 0xff6a1000, 0x0000a18b,
slouken@1895
   679
    0xff731000, 0x0000c28b, 0xff7b1000, 0x0000e28b,
slouken@1895
   680
    0xff831000, 0x00000094, 0xff8b1000, 0x00002094,
slouken@1895
   681
    0xff941000, 0x00004094, 0xff9c1000, 0x00006194,
slouken@1895
   682
    0xffa41000, 0x00008194, 0xffac1000, 0x0000a194,
slouken@1895
   683
    0xffb41000, 0x0000c294, 0xffbd1000, 0x0000e294,
slouken@1895
   684
    0xffc51000, 0x0000009c, 0xffcd1000, 0x0000209c,
slouken@1895
   685
    0xffd51000, 0x0000409c, 0xffde1000, 0x0000619c,
slouken@1895
   686
    0xffe61000, 0x0000819c, 0xffee1000, 0x0000a19c,
slouken@1895
   687
    0xfff61000, 0x0000c29c, 0xffff1000, 0x0000e29c,
slouken@1895
   688
    0xff001400, 0x000000a4, 0xff081400, 0x000020a4,
slouken@1895
   689
    0xff101400, 0x000040a4, 0xff181400, 0x000061a4,
slouken@1895
   690
    0xff201400, 0x000081a4, 0xff291400, 0x0000a1a4,
slouken@1895
   691
    0xff311400, 0x0000c2a4, 0xff391400, 0x0000e2a4,
slouken@1895
   692
    0xff411400, 0x000000ac, 0xff4a1400, 0x000020ac,
slouken@1895
   693
    0xff521400, 0x000040ac, 0xff5a1400, 0x000061ac,
slouken@1895
   694
    0xff621400, 0x000081ac, 0xff6a1400, 0x0000a1ac,
slouken@1895
   695
    0xff731400, 0x0000c2ac, 0xff7b1400, 0x0000e2ac,
slouken@1895
   696
    0xff831400, 0x000000b4, 0xff8b1400, 0x000020b4,
slouken@1895
   697
    0xff941400, 0x000040b4, 0xff9c1400, 0x000061b4,
slouken@1895
   698
    0xffa41400, 0x000081b4, 0xffac1400, 0x0000a1b4,
slouken@1895
   699
    0xffb41400, 0x0000c2b4, 0xffbd1400, 0x0000e2b4,
slouken@1895
   700
    0xffc51400, 0x000000bd, 0xffcd1400, 0x000020bd,
slouken@1895
   701
    0xffd51400, 0x000040bd, 0xffde1400, 0x000061bd,
slouken@1895
   702
    0xffe61400, 0x000081bd, 0xffee1400, 0x0000a1bd,
slouken@1895
   703
    0xfff61400, 0x0000c2bd, 0xffff1400, 0x0000e2bd,
slouken@1895
   704
    0xff001800, 0x000000c5, 0xff081800, 0x000020c5,
slouken@1895
   705
    0xff101800, 0x000040c5, 0xff181800, 0x000061c5,
slouken@1895
   706
    0xff201800, 0x000081c5, 0xff291800, 0x0000a1c5,
slouken@1895
   707
    0xff311800, 0x0000c2c5, 0xff391800, 0x0000e2c5,
slouken@1895
   708
    0xff411800, 0x000000cd, 0xff4a1800, 0x000020cd,
slouken@1895
   709
    0xff521800, 0x000040cd, 0xff5a1800, 0x000061cd,
slouken@1895
   710
    0xff621800, 0x000081cd, 0xff6a1800, 0x0000a1cd,
slouken@1895
   711
    0xff731800, 0x0000c2cd, 0xff7b1800, 0x0000e2cd,
slouken@1895
   712
    0xff831800, 0x000000d5, 0xff8b1800, 0x000020d5,
slouken@1895
   713
    0xff941800, 0x000040d5, 0xff9c1800, 0x000061d5,
slouken@1895
   714
    0xffa41800, 0x000081d5, 0xffac1800, 0x0000a1d5,
slouken@1895
   715
    0xffb41800, 0x0000c2d5, 0xffbd1800, 0x0000e2d5,
slouken@1895
   716
    0xffc51800, 0x000000de, 0xffcd1800, 0x000020de,
slouken@1895
   717
    0xffd51800, 0x000040de, 0xffde1800, 0x000061de,
slouken@1895
   718
    0xffe61800, 0x000081de, 0xffee1800, 0x0000a1de,
slouken@1895
   719
    0xfff61800, 0x0000c2de, 0xffff1800, 0x0000e2de,
slouken@1895
   720
    0xff001c00, 0x000000e6, 0xff081c00, 0x000020e6,
slouken@1895
   721
    0xff101c00, 0x000040e6, 0xff181c00, 0x000061e6,
slouken@1895
   722
    0xff201c00, 0x000081e6, 0xff291c00, 0x0000a1e6,
slouken@1895
   723
    0xff311c00, 0x0000c2e6, 0xff391c00, 0x0000e2e6,
slouken@1895
   724
    0xff411c00, 0x000000ee, 0xff4a1c00, 0x000020ee,
slouken@1895
   725
    0xff521c00, 0x000040ee, 0xff5a1c00, 0x000061ee,
slouken@1895
   726
    0xff621c00, 0x000081ee, 0xff6a1c00, 0x0000a1ee,
slouken@1895
   727
    0xff731c00, 0x0000c2ee, 0xff7b1c00, 0x0000e2ee,
slouken@1895
   728
    0xff831c00, 0x000000f6, 0xff8b1c00, 0x000020f6,
slouken@1895
   729
    0xff941c00, 0x000040f6, 0xff9c1c00, 0x000061f6,
slouken@1895
   730
    0xffa41c00, 0x000081f6, 0xffac1c00, 0x0000a1f6,
slouken@1895
   731
    0xffb41c00, 0x0000c2f6, 0xffbd1c00, 0x0000e2f6,
slouken@1895
   732
    0xffc51c00, 0x000000ff, 0xffcd1c00, 0x000020ff,
slouken@1895
   733
    0xffd51c00, 0x000040ff, 0xffde1c00, 0x000061ff,
slouken@1895
   734
    0xffe61c00, 0x000081ff, 0xffee1c00, 0x0000a1ff,
slouken@1895
   735
    0xfff61c00, 0x0000c2ff, 0xffff1c00, 0x0000e2ff
slouken@0
   736
};
slouken@2735
   737
slouken@1895
   738
static void
slouken@1895
   739
Blit_RGB565_ABGR8888(SDL_BlitInfo * info)
slouken@0
   740
{
slouken@0
   741
    Blit_RGB565_32(info, RGB565_ABGR8888_LUT);
slouken@0
   742
}
slouken@0
   743
slouken@0
   744
/* Special optimized blit for RGB 5-6-5 --> RGBA 8-8-8-8 */
slouken@91
   745
static const Uint32 RGB565_RGBA8888_LUT[512] = {
slouken@1895
   746
    0x000000ff, 0x00000000, 0x000008ff, 0x00200000,
slouken@1895
   747
    0x000010ff, 0x00400000, 0x000018ff, 0x00610000,
slouken@1895
   748
    0x000020ff, 0x00810000, 0x000029ff, 0x00a10000,
slouken@1895
   749
    0x000031ff, 0x00c20000, 0x000039ff, 0x00e20000,
slouken@1895
   750
    0x000041ff, 0x08000000, 0x00004aff, 0x08200000,
slouken@1895
   751
    0x000052ff, 0x08400000, 0x00005aff, 0x08610000,
slouken@1895
   752
    0x000062ff, 0x08810000, 0x00006aff, 0x08a10000,
slouken@1895
   753
    0x000073ff, 0x08c20000, 0x00007bff, 0x08e20000,
slouken@1895
   754
    0x000083ff, 0x10000000, 0x00008bff, 0x10200000,
slouken@1895
   755
    0x000094ff, 0x10400000, 0x00009cff, 0x10610000,
slouken@1895
   756
    0x0000a4ff, 0x10810000, 0x0000acff, 0x10a10000,
slouken@1895
   757
    0x0000b4ff, 0x10c20000, 0x0000bdff, 0x10e20000,
slouken@1895
   758
    0x0000c5ff, 0x18000000, 0x0000cdff, 0x18200000,
slouken@1895
   759
    0x0000d5ff, 0x18400000, 0x0000deff, 0x18610000,
slouken@1895
   760
    0x0000e6ff, 0x18810000, 0x0000eeff, 0x18a10000,
slouken@1895
   761
    0x0000f6ff, 0x18c20000, 0x0000ffff, 0x18e20000,
slouken@1895
   762
    0x000400ff, 0x20000000, 0x000408ff, 0x20200000,
slouken@1895
   763
    0x000410ff, 0x20400000, 0x000418ff, 0x20610000,
slouken@1895
   764
    0x000420ff, 0x20810000, 0x000429ff, 0x20a10000,
slouken@1895
   765
    0x000431ff, 0x20c20000, 0x000439ff, 0x20e20000,
slouken@1895
   766
    0x000441ff, 0x29000000, 0x00044aff, 0x29200000,
slouken@1895
   767
    0x000452ff, 0x29400000, 0x00045aff, 0x29610000,
slouken@1895
   768
    0x000462ff, 0x29810000, 0x00046aff, 0x29a10000,
slouken@1895
   769
    0x000473ff, 0x29c20000, 0x00047bff, 0x29e20000,
slouken@1895
   770
    0x000483ff, 0x31000000, 0x00048bff, 0x31200000,
slouken@1895
   771
    0x000494ff, 0x31400000, 0x00049cff, 0x31610000,
slouken@1895
   772
    0x0004a4ff, 0x31810000, 0x0004acff, 0x31a10000,
slouken@1895
   773
    0x0004b4ff, 0x31c20000, 0x0004bdff, 0x31e20000,
slouken@1895
   774
    0x0004c5ff, 0x39000000, 0x0004cdff, 0x39200000,
slouken@1895
   775
    0x0004d5ff, 0x39400000, 0x0004deff, 0x39610000,
slouken@1895
   776
    0x0004e6ff, 0x39810000, 0x0004eeff, 0x39a10000,
slouken@1895
   777
    0x0004f6ff, 0x39c20000, 0x0004ffff, 0x39e20000,
slouken@1895
   778
    0x000800ff, 0x41000000, 0x000808ff, 0x41200000,
slouken@1895
   779
    0x000810ff, 0x41400000, 0x000818ff, 0x41610000,
slouken@1895
   780
    0x000820ff, 0x41810000, 0x000829ff, 0x41a10000,
slouken@1895
   781
    0x000831ff, 0x41c20000, 0x000839ff, 0x41e20000,
slouken@1895
   782
    0x000841ff, 0x4a000000, 0x00084aff, 0x4a200000,
slouken@1895
   783
    0x000852ff, 0x4a400000, 0x00085aff, 0x4a610000,
slouken@1895
   784
    0x000862ff, 0x4a810000, 0x00086aff, 0x4aa10000,
slouken@1895
   785
    0x000873ff, 0x4ac20000, 0x00087bff, 0x4ae20000,
slouken@1895
   786
    0x000883ff, 0x52000000, 0x00088bff, 0x52200000,
slouken@1895
   787
    0x000894ff, 0x52400000, 0x00089cff, 0x52610000,
slouken@1895
   788
    0x0008a4ff, 0x52810000, 0x0008acff, 0x52a10000,
slouken@1895
   789
    0x0008b4ff, 0x52c20000, 0x0008bdff, 0x52e20000,
slouken@1895
   790
    0x0008c5ff, 0x5a000000, 0x0008cdff, 0x5a200000,
slouken@1895
   791
    0x0008d5ff, 0x5a400000, 0x0008deff, 0x5a610000,
slouken@1895
   792
    0x0008e6ff, 0x5a810000, 0x0008eeff, 0x5aa10000,
slouken@1895
   793
    0x0008f6ff, 0x5ac20000, 0x0008ffff, 0x5ae20000,
slouken@1895
   794
    0x000c00ff, 0x62000000, 0x000c08ff, 0x62200000,
slouken@1895
   795
    0x000c10ff, 0x62400000, 0x000c18ff, 0x62610000,
slouken@1895
   796
    0x000c20ff, 0x62810000, 0x000c29ff, 0x62a10000,
slouken@1895
   797
    0x000c31ff, 0x62c20000, 0x000c39ff, 0x62e20000,
slouken@1895
   798
    0x000c41ff, 0x6a000000, 0x000c4aff, 0x6a200000,
slouken@1895
   799
    0x000c52ff, 0x6a400000, 0x000c5aff, 0x6a610000,
slouken@1895
   800
    0x000c62ff, 0x6a810000, 0x000c6aff, 0x6aa10000,
slouken@1895
   801
    0x000c73ff, 0x6ac20000, 0x000c7bff, 0x6ae20000,
slouken@1895
   802
    0x000c83ff, 0x73000000, 0x000c8bff, 0x73200000,
slouken@1895
   803
    0x000c94ff, 0x73400000, 0x000c9cff, 0x73610000,
slouken@1895
   804
    0x000ca4ff, 0x73810000, 0x000cacff, 0x73a10000,
slouken@1895
   805
    0x000cb4ff, 0x73c20000, 0x000cbdff, 0x73e20000,
slouken@1895
   806
    0x000cc5ff, 0x7b000000, 0x000ccdff, 0x7b200000,
slouken@1895
   807
    0x000cd5ff, 0x7b400000, 0x000cdeff, 0x7b610000,
slouken@1895
   808
    0x000ce6ff, 0x7b810000, 0x000ceeff, 0x7ba10000,
slouken@1895
   809
    0x000cf6ff, 0x7bc20000, 0x000cffff, 0x7be20000,
slouken@1895
   810
    0x001000ff, 0x83000000, 0x001008ff, 0x83200000,
slouken@1895
   811
    0x001010ff, 0x83400000, 0x001018ff, 0x83610000,
slouken@1895
   812
    0x001020ff, 0x83810000, 0x001029ff, 0x83a10000,
slouken@1895
   813
    0x001031ff, 0x83c20000, 0x001039ff, 0x83e20000,
slouken@1895
   814
    0x001041ff, 0x8b000000, 0x00104aff, 0x8b200000,
slouken@1895
   815
    0x001052ff, 0x8b400000, 0x00105aff, 0x8b610000,
slouken@1895
   816
    0x001062ff, 0x8b810000, 0x00106aff, 0x8ba10000,
slouken@1895
   817
    0x001073ff, 0x8bc20000, 0x00107bff, 0x8be20000,
slouken@1895
   818
    0x001083ff, 0x94000000, 0x00108bff, 0x94200000,
slouken@1895
   819
    0x001094ff, 0x94400000, 0x00109cff, 0x94610000,
slouken@1895
   820
    0x0010a4ff, 0x94810000, 0x0010acff, 0x94a10000,
slouken@1895
   821
    0x0010b4ff, 0x94c20000, 0x0010bdff, 0x94e20000,
slouken@1895
   822
    0x0010c5ff, 0x9c000000, 0x0010cdff, 0x9c200000,
slouken@1895
   823
    0x0010d5ff, 0x9c400000, 0x0010deff, 0x9c610000,
slouken@1895
   824
    0x0010e6ff, 0x9c810000, 0x0010eeff, 0x9ca10000,
slouken@1895
   825
    0x0010f6ff, 0x9cc20000, 0x0010ffff, 0x9ce20000,
slouken@1895
   826
    0x001400ff, 0xa4000000, 0x001408ff, 0xa4200000,
slouken@1895
   827
    0x001410ff, 0xa4400000, 0x001418ff, 0xa4610000,
slouken@1895
   828
    0x001420ff, 0xa4810000, 0x001429ff, 0xa4a10000,
slouken@1895
   829
    0x001431ff, 0xa4c20000, 0x001439ff, 0xa4e20000,
slouken@1895
   830
    0x001441ff, 0xac000000, 0x00144aff, 0xac200000,
slouken@1895
   831
    0x001452ff, 0xac400000, 0x00145aff, 0xac610000,
slouken@1895
   832
    0x001462ff, 0xac810000, 0x00146aff, 0xaca10000,
slouken@1895
   833
    0x001473ff, 0xacc20000, 0x00147bff, 0xace20000,
slouken@1895
   834
    0x001483ff, 0xb4000000, 0x00148bff, 0xb4200000,
slouken@1895
   835
    0x001494ff, 0xb4400000, 0x00149cff, 0xb4610000,
slouken@1895
   836
    0x0014a4ff, 0xb4810000, 0x0014acff, 0xb4a10000,
slouken@1895
   837
    0x0014b4ff, 0xb4c20000, 0x0014bdff, 0xb4e20000,
slouken@1895
   838
    0x0014c5ff, 0xbd000000, 0x0014cdff, 0xbd200000,
slouken@1895
   839
    0x0014d5ff, 0xbd400000, 0x0014deff, 0xbd610000,
slouken@1895
   840
    0x0014e6ff, 0xbd810000, 0x0014eeff, 0xbda10000,
slouken@1895
   841
    0x0014f6ff, 0xbdc20000, 0x0014ffff, 0xbde20000,
slouken@1895
   842
    0x001800ff, 0xc5000000, 0x001808ff, 0xc5200000,
slouken@1895
   843
    0x001810ff, 0xc5400000, 0x001818ff, 0xc5610000,
slouken@1895
   844
    0x001820ff, 0xc5810000, 0x001829ff, 0xc5a10000,
slouken@1895
   845
    0x001831ff, 0xc5c20000, 0x001839ff, 0xc5e20000,
slouken@1895
   846
    0x001841ff, 0xcd000000, 0x00184aff, 0xcd200000,
slouken@1895
   847
    0x001852ff, 0xcd400000, 0x00185aff, 0xcd610000,
slouken@1895
   848
    0x001862ff, 0xcd810000, 0x00186aff, 0xcda10000,
slouken@1895
   849
    0x001873ff, 0xcdc20000, 0x00187bff, 0xcde20000,
slouken@1895
   850
    0x001883ff, 0xd5000000, 0x00188bff, 0xd5200000,
slouken@1895
   851
    0x001894ff, 0xd5400000, 0x00189cff, 0xd5610000,
slouken@1895
   852
    0x0018a4ff, 0xd5810000, 0x0018acff, 0xd5a10000,
slouken@1895
   853
    0x0018b4ff, 0xd5c20000, 0x0018bdff, 0xd5e20000,
slouken@1895
   854
    0x0018c5ff, 0xde000000, 0x0018cdff, 0xde200000,
slouken@1895
   855
    0x0018d5ff, 0xde400000, 0x0018deff, 0xde610000,
slouken@1895
   856
    0x0018e6ff, 0xde810000, 0x0018eeff, 0xdea10000,
slouken@1895
   857
    0x0018f6ff, 0xdec20000, 0x0018ffff, 0xdee20000,
slouken@1895
   858
    0x001c00ff, 0xe6000000, 0x001c08ff, 0xe6200000,
slouken@1895
   859
    0x001c10ff, 0xe6400000, 0x001c18ff, 0xe6610000,
slouken@1895
   860
    0x001c20ff, 0xe6810000, 0x001c29ff, 0xe6a10000,
slouken@1895
   861
    0x001c31ff, 0xe6c20000, 0x001c39ff, 0xe6e20000,
slouken@1895
   862
    0x001c41ff, 0xee000000, 0x001c4aff, 0xee200000,
slouken@1895
   863
    0x001c52ff, 0xee400000, 0x001c5aff, 0xee610000,
slouken@1895
   864
    0x001c62ff, 0xee810000, 0x001c6aff, 0xeea10000,
slouken@1895
   865
    0x001c73ff, 0xeec20000, 0x001c7bff, 0xeee20000,
slouken@1895
   866
    0x001c83ff, 0xf6000000, 0x001c8bff, 0xf6200000,
slouken@1895
   867
    0x001c94ff, 0xf6400000, 0x001c9cff, 0xf6610000,
slouken@1895
   868
    0x001ca4ff, 0xf6810000, 0x001cacff, 0xf6a10000,
slouken@1895
   869
    0x001cb4ff, 0xf6c20000, 0x001cbdff, 0xf6e20000,
slouken@1895
   870
    0x001cc5ff, 0xff000000, 0x001ccdff, 0xff200000,
slouken@1895
   871
    0x001cd5ff, 0xff400000, 0x001cdeff, 0xff610000,
slouken@1895
   872
    0x001ce6ff, 0xff810000, 0x001ceeff, 0xffa10000,
slouken@1895
   873
    0x001cf6ff, 0xffc20000, 0x001cffff, 0xffe20000,
slouken@0
   874
};
slouken@2735
   875
slouken@1895
   876
static void
slouken@1895
   877
Blit_RGB565_RGBA8888(SDL_BlitInfo * info)
slouken@0
   878
{
slouken@0
   879
    Blit_RGB565_32(info, RGB565_RGBA8888_LUT);
slouken@0
   880
}
slouken@0
   881
slouken@0
   882
/* Special optimized blit for RGB 5-6-5 --> BGRA 8-8-8-8 */
slouken@91
   883
static const Uint32 RGB565_BGRA8888_LUT[512] = {
slouken@1895
   884
    0x00000000, 0x000000ff, 0x08000000, 0x002000ff,
slouken@1895
   885
    0x10000000, 0x004000ff, 0x18000000, 0x006100ff,
slouken@1895
   886
    0x20000000, 0x008100ff, 0x29000000, 0x00a100ff,
slouken@1895
   887
    0x31000000, 0x00c200ff, 0x39000000, 0x00e200ff,
slouken@1895
   888
    0x41000000, 0x000008ff, 0x4a000000, 0x002008ff,
slouken@1895
   889
    0x52000000, 0x004008ff, 0x5a000000, 0x006108ff,
slouken@1895
   890
    0x62000000, 0x008108ff, 0x6a000000, 0x00a108ff,
slouken@1895
   891
    0x73000000, 0x00c208ff, 0x7b000000, 0x00e208ff,
slouken@1895
   892
    0x83000000, 0x000010ff, 0x8b000000, 0x002010ff,
slouken@1895
   893
    0x94000000, 0x004010ff, 0x9c000000, 0x006110ff,
slouken@1895
   894
    0xa4000000, 0x008110ff, 0xac000000, 0x00a110ff,
slouken@1895
   895
    0xb4000000, 0x00c210ff, 0xbd000000, 0x00e210ff,
slouken@1895
   896
    0xc5000000, 0x000018ff, 0xcd000000, 0x002018ff,
slouken@1895
   897
    0xd5000000, 0x004018ff, 0xde000000, 0x006118ff,
slouken@1895
   898
    0xe6000000, 0x008118ff, 0xee000000, 0x00a118ff,
slouken@1895
   899
    0xf6000000, 0x00c218ff, 0xff000000, 0x00e218ff,
slouken@1895
   900
    0x00040000, 0x000020ff, 0x08040000, 0x002020ff,
slouken@1895
   901
    0x10040000, 0x004020ff, 0x18040000, 0x006120ff,
slouken@1895
   902
    0x20040000, 0x008120ff, 0x29040000, 0x00a120ff,
slouken@1895
   903
    0x31040000, 0x00c220ff, 0x39040000, 0x00e220ff,
slouken@1895
   904
    0x41040000, 0x000029ff, 0x4a040000, 0x002029ff,
slouken@1895
   905
    0x52040000, 0x004029ff, 0x5a040000, 0x006129ff,
slouken@1895
   906
    0x62040000, 0x008129ff, 0x6a040000, 0x00a129ff,
slouken@1895
   907
    0x73040000, 0x00c229ff, 0x7b040000, 0x00e229ff,
slouken@1895
   908
    0x83040000, 0x000031ff, 0x8b040000, 0x002031ff,
slouken@1895
   909
    0x94040000, 0x004031ff, 0x9c040000, 0x006131ff,
slouken@1895
   910
    0xa4040000, 0x008131ff, 0xac040000, 0x00a131ff,
slouken@1895
   911
    0xb4040000, 0x00c231ff, 0xbd040000, 0x00e231ff,
slouken@1895
   912
    0xc5040000, 0x000039ff, 0xcd040000, 0x002039ff,
slouken@1895
   913
    0xd5040000, 0x004039ff, 0xde040000, 0x006139ff,
slouken@1895
   914
    0xe6040000, 0x008139ff, 0xee040000, 0x00a139ff,
slouken@1895
   915
    0xf6040000, 0x00c239ff, 0xff040000, 0x00e239ff,
slouken@1895
   916
    0x00080000, 0x000041ff, 0x08080000, 0x002041ff,
slouken@1895
   917
    0x10080000, 0x004041ff, 0x18080000, 0x006141ff,
slouken@1895
   918
    0x20080000, 0x008141ff, 0x29080000, 0x00a141ff,
slouken@1895
   919
    0x31080000, 0x00c241ff, 0x39080000, 0x00e241ff,
slouken@1895
   920
    0x41080000, 0x00004aff, 0x4a080000, 0x00204aff,
slouken@1895
   921
    0x52080000, 0x00404aff, 0x5a080000, 0x00614aff,
slouken@1895
   922
    0x62080000, 0x00814aff, 0x6a080000, 0x00a14aff,
slouken@1895
   923
    0x73080000, 0x00c24aff, 0x7b080000, 0x00e24aff,
slouken@1895
   924
    0x83080000, 0x000052ff, 0x8b080000, 0x002052ff,
slouken@1895
   925
    0x94080000, 0x004052ff, 0x9c080000, 0x006152ff,
slouken@1895
   926
    0xa4080000, 0x008152ff, 0xac080000, 0x00a152ff,
slouken@1895
   927
    0xb4080000, 0x00c252ff, 0xbd080000, 0x00e252ff,
slouken@1895
   928
    0xc5080000, 0x00005aff, 0xcd080000, 0x00205aff,
slouken@1895
   929
    0xd5080000, 0x00405aff, 0xde080000, 0x00615aff,
slouken@1895
   930
    0xe6080000, 0x00815aff, 0xee080000, 0x00a15aff,
slouken@1895
   931
    0xf6080000, 0x00c25aff, 0xff080000, 0x00e25aff,
slouken@1895
   932
    0x000c0000, 0x000062ff, 0x080c0000, 0x002062ff,
slouken@1895
   933
    0x100c0000, 0x004062ff, 0x180c0000, 0x006162ff,
slouken@1895
   934
    0x200c0000, 0x008162ff, 0x290c0000, 0x00a162ff,
slouken@1895
   935
    0x310c0000, 0x00c262ff, 0x390c0000, 0x00e262ff,
slouken@1895
   936
    0x410c0000, 0x00006aff, 0x4a0c0000, 0x00206aff,
slouken@1895
   937
    0x520c0000, 0x00406aff, 0x5a0c0000, 0x00616aff,
slouken@1895
   938
    0x620c0000, 0x00816aff, 0x6a0c0000, 0x00a16aff,
slouken@1895
   939
    0x730c0000, 0x00c26aff, 0x7b0c0000, 0x00e26aff,
slouken@1895
   940
    0x830c0000, 0x000073ff, 0x8b0c0000, 0x002073ff,
slouken@1895
   941
    0x940c0000, 0x004073ff, 0x9c0c0000, 0x006173ff,
slouken@1895
   942
    0xa40c0000, 0x008173ff, 0xac0c0000, 0x00a173ff,
slouken@1895
   943
    0xb40c0000, 0x00c273ff, 0xbd0c0000, 0x00e273ff,
slouken@1895
   944
    0xc50c0000, 0x00007bff, 0xcd0c0000, 0x00207bff,
slouken@1895
   945
    0xd50c0000, 0x00407bff, 0xde0c0000, 0x00617bff,
slouken@1895
   946
    0xe60c0000, 0x00817bff, 0xee0c0000, 0x00a17bff,
slouken@1895
   947
    0xf60c0000, 0x00c27bff, 0xff0c0000, 0x00e27bff,
slouken@1895
   948
    0x00100000, 0x000083ff, 0x08100000, 0x002083ff,
slouken@1895
   949
    0x10100000, 0x004083ff, 0x18100000, 0x006183ff,
slouken@1895
   950
    0x20100000, 0x008183ff, 0x29100000, 0x00a183ff,
slouken@1895
   951
    0x31100000, 0x00c283ff, 0x39100000, 0x00e283ff,
slouken@1895
   952
    0x41100000, 0x00008bff, 0x4a100000, 0x00208bff,
slouken@1895
   953
    0x52100000, 0x00408bff, 0x5a100000, 0x00618bff,
slouken@1895
   954
    0x62100000, 0x00818bff, 0x6a100000, 0x00a18bff,
slouken@1895
   955
    0x73100000, 0x00c28bff, 0x7b100000, 0x00e28bff,
slouken@1895
   956
    0x83100000, 0x000094ff, 0x8b100000, 0x002094ff,
slouken@1895
   957
    0x94100000, 0x004094ff, 0x9c100000, 0x006194ff,
slouken@1895
   958
    0xa4100000, 0x008194ff, 0xac100000, 0x00a194ff,
slouken@1895
   959
    0xb4100000, 0x00c294ff, 0xbd100000, 0x00e294ff,
slouken@1895
   960
    0xc5100000, 0x00009cff, 0xcd100000, 0x00209cff,
slouken@1895
   961
    0xd5100000, 0x00409cff, 0xde100000, 0x00619cff,
slouken@1895
   962
    0xe6100000, 0x00819cff, 0xee100000, 0x00a19cff,
slouken@1895
   963
    0xf6100000, 0x00c29cff, 0xff100000, 0x00e29cff,
slouken@1895
   964
    0x00140000, 0x0000a4ff, 0x08140000, 0x0020a4ff,
slouken@1895
   965
    0x10140000, 0x0040a4ff, 0x18140000, 0x0061a4ff,
slouken@1895
   966
    0x20140000, 0x0081a4ff, 0x29140000, 0x00a1a4ff,
slouken@1895
   967
    0x31140000, 0x00c2a4ff, 0x39140000, 0x00e2a4ff,
slouken@1895
   968
    0x41140000, 0x0000acff, 0x4a140000, 0x0020acff,
slouken@1895
   969
    0x52140000, 0x0040acff, 0x5a140000, 0x0061acff,
slouken@1895
   970
    0x62140000, 0x0081acff, 0x6a140000, 0x00a1acff,
slouken@1895
   971
    0x73140000, 0x00c2acff, 0x7b140000, 0x00e2acff,
slouken@1895
   972
    0x83140000, 0x0000b4ff, 0x8b140000, 0x0020b4ff,
slouken@1895
   973
    0x94140000, 0x0040b4ff, 0x9c140000, 0x0061b4ff,
slouken@1895
   974
    0xa4140000, 0x0081b4ff, 0xac140000, 0x00a1b4ff,
slouken@1895
   975
    0xb4140000, 0x00c2b4ff, 0xbd140000, 0x00e2b4ff,
slouken@1895
   976
    0xc5140000, 0x0000bdff, 0xcd140000, 0x0020bdff,
slouken@1895
   977
    0xd5140000, 0x0040bdff, 0xde140000, 0x0061bdff,
slouken@1895
   978
    0xe6140000, 0x0081bdff, 0xee140000, 0x00a1bdff,
slouken@1895
   979
    0xf6140000, 0x00c2bdff, 0xff140000, 0x00e2bdff,
slouken@1895
   980
    0x00180000, 0x0000c5ff, 0x08180000, 0x0020c5ff,
slouken@1895
   981
    0x10180000, 0x0040c5ff, 0x18180000, 0x0061c5ff,
slouken@1895
   982
    0x20180000, 0x0081c5ff, 0x29180000, 0x00a1c5ff,
slouken@1895
   983
    0x31180000, 0x00c2c5ff, 0x39180000, 0x00e2c5ff,
slouken@1895
   984
    0x41180000, 0x0000cdff, 0x4a180000, 0x0020cdff,
slouken@1895
   985
    0x52180000, 0x0040cdff, 0x5a180000, 0x0061cdff,
slouken@1895
   986
    0x62180000, 0x0081cdff, 0x6a180000, 0x00a1cdff,
slouken@1895
   987
    0x73180000, 0x00c2cdff, 0x7b180000, 0x00e2cdff,
slouken@1895
   988
    0x83180000, 0x0000d5ff, 0x8b180000, 0x0020d5ff,
slouken@1895
   989
    0x94180000, 0x0040d5ff, 0x9c180000, 0x0061d5ff,
slouken@1895
   990
    0xa4180000, 0x0081d5ff, 0xac180000, 0x00a1d5ff,
slouken@1895
   991
    0xb4180000, 0x00c2d5ff, 0xbd180000, 0x00e2d5ff,
slouken@1895
   992
    0xc5180000, 0x0000deff, 0xcd180000, 0x0020deff,
slouken@1895
   993
    0xd5180000, 0x0040deff, 0xde180000, 0x0061deff,
slouken@1895
   994
    0xe6180000, 0x0081deff, 0xee180000, 0x00a1deff,
slouken@1895
   995
    0xf6180000, 0x00c2deff, 0xff180000, 0x00e2deff,
slouken@1895
   996
    0x001c0000, 0x0000e6ff, 0x081c0000, 0x0020e6ff,
slouken@1895
   997
    0x101c0000, 0x0040e6ff, 0x181c0000, 0x0061e6ff,
slouken@1895
   998
    0x201c0000, 0x0081e6ff, 0x291c0000, 0x00a1e6ff,
slouken@1895
   999
    0x311c0000, 0x00c2e6ff, 0x391c0000, 0x00e2e6ff,
slouken@1895
  1000
    0x411c0000, 0x0000eeff, 0x4a1c0000, 0x0020eeff,
slouken@1895
  1001
    0x521c0000, 0x0040eeff, 0x5a1c0000, 0x0061eeff,
slouken@1895
  1002
    0x621c0000, 0x0081eeff, 0x6a1c0000, 0x00a1eeff,
slouken@1895
  1003
    0x731c0000, 0x00c2eeff, 0x7b1c0000, 0x00e2eeff,
slouken@1895
  1004
    0x831c0000, 0x0000f6ff, 0x8b1c0000, 0x0020f6ff,
slouken@1895
  1005
    0x941c0000, 0x0040f6ff, 0x9c1c0000, 0x0061f6ff,
slouken@1895
  1006
    0xa41c0000, 0x0081f6ff, 0xac1c0000, 0x00a1f6ff,
slouken@1895
  1007
    0xb41c0000, 0x00c2f6ff, 0xbd1c0000, 0x00e2f6ff,
slouken@1895
  1008
    0xc51c0000, 0x0000ffff, 0xcd1c0000, 0x0020ffff,
slouken@1895
  1009
    0xd51c0000, 0x0040ffff, 0xde1c0000, 0x0061ffff,
slouken@1895
  1010
    0xe61c0000, 0x0081ffff, 0xee1c0000, 0x00a1ffff,
slouken@1895
  1011
    0xf61c0000, 0x00c2ffff, 0xff1c0000, 0x00e2ffff
slouken@0
  1012
};
slouken@2735
  1013
slouken@1895
  1014
static void
slouken@1895
  1015
Blit_RGB565_BGRA8888(SDL_BlitInfo * info)
slouken@0
  1016
{
slouken@0
  1017
    Blit_RGB565_32(info, RGB565_BGRA8888_LUT);
slouken@0
  1018
}
slouken@0
  1019
slouken@0
  1020
/* Special optimized blit for RGB 8-8-8 --> RGB 3-3-2 */
slouken@0
  1021
#ifndef RGB888_RGB332
slouken@0
  1022
#define RGB888_RGB332(dst, src) { \
slouken@0
  1023
	dst = (((src)&0x00E00000)>>16)| \
slouken@0
  1024
	      (((src)&0x0000E000)>>11)| \
slouken@0
  1025
	      (((src)&0x000000C0)>>6); \
slouken@0
  1026
}
slouken@0
  1027
#endif
slouken@1895
  1028
static void
slouken@1895
  1029
Blit_RGB888_index8_map(SDL_BlitInfo * info)
slouken@0
  1030
{
slouken@0
  1031
#ifndef USE_DUFFS_LOOP
slouken@1895
  1032
    int c;
slouken@0
  1033
#endif
slouken@1895
  1034
    int Pixel;
slouken@1895
  1035
    int width, height;
slouken@1895
  1036
    Uint32 *src;
slouken@1895
  1037
    const Uint8 *map;
slouken@1895
  1038
    Uint8 *dst;
slouken@1895
  1039
    int srcskip, dstskip;
slouken@0
  1040
slouken@1895
  1041
    /* Set up some basic variables */
slouken@2262
  1042
    width = info->dst_w;
slouken@2262
  1043
    height = info->dst_h;
slouken@2262
  1044
    src = (Uint32 *) info->src;
slouken@2267
  1045
    srcskip = info->src_skip / 4;
slouken@2262
  1046
    dst = info->dst;
slouken@2267
  1047
    dstskip = info->dst_skip;
slouken@1895
  1048
    map = info->table;
slouken@0
  1049
slouken@0
  1050
#ifdef USE_DUFFS_LOOP
slouken@1895
  1051
    while (height--) {
slouken@1895
  1052
		/* *INDENT-OFF* */
slouken@0
  1053
		DUFFS_LOOP(
icculus@1162
  1054
			RGB888_RGB332(Pixel, *src);
icculus@1162
  1055
			*dst++ = map[Pixel];
slouken@0
  1056
			++src;
slouken@0
  1057
		, width);
slouken@1895
  1058
		/* *INDENT-ON* */
slouken@1895
  1059
        src += srcskip;
slouken@1895
  1060
        dst += dstskip;
slouken@1895
  1061
    }
slouken@0
  1062
#else
slouken@1895
  1063
    while (height--) {
slouken@1895
  1064
        for (c = width / 4; c; --c) {
slouken@1895
  1065
            /* Pack RGB into 8bit pixel */
slouken@1895
  1066
            RGB888_RGB332(Pixel, *src);
slouken@1895
  1067
            *dst++ = map[Pixel];
slouken@1895
  1068
            ++src;
slouken@1895
  1069
            RGB888_RGB332(Pixel, *src);
slouken@1895
  1070
            *dst++ = map[Pixel];
slouken@1895
  1071
            ++src;
slouken@1895
  1072
            RGB888_RGB332(Pixel, *src);
slouken@1895
  1073
            *dst++ = map[Pixel];
slouken@1895
  1074
            ++src;
slouken@1895
  1075
            RGB888_RGB332(Pixel, *src);
slouken@1895
  1076
            *dst++ = map[Pixel];
slouken@1895
  1077
            ++src;
slouken@1895
  1078
        }
slouken@1895
  1079
        switch (width & 3) {
slouken@1895
  1080
        case 3:
slouken@1895
  1081
            RGB888_RGB332(Pixel, *src);
slouken@1895
  1082
            *dst++ = map[Pixel];
slouken@1895
  1083
            ++src;
slouken@1895
  1084
        case 2:
slouken@1895
  1085
            RGB888_RGB332(Pixel, *src);
slouken@1895
  1086
            *dst++ = map[Pixel];
slouken@1895
  1087
            ++src;
slouken@1895
  1088
        case 1:
slouken@1895
  1089
            RGB888_RGB332(Pixel, *src);
slouken@1895
  1090
            *dst++ = map[Pixel];
slouken@1895
  1091
            ++src;
slouken@1895
  1092
        }
slouken@1895
  1093
        src += srcskip;
slouken@1895
  1094
        dst += dstskip;
slouken@1895
  1095
    }
slouken@0
  1096
#endif /* USE_DUFFS_LOOP */
slouken@0
  1097
}
slouken@2735
  1098
slouken@1895
  1099
static void
slouken@1895
  1100
BlitNto1(SDL_BlitInfo * info)
slouken@0
  1101
{
slouken@0
  1102
#ifndef USE_DUFFS_LOOP
slouken@1895
  1103
    int c;
slouken@0
  1104
#endif
slouken@1895
  1105
    int width, height;
slouken@1895
  1106
    Uint8 *src;
slouken@1895
  1107
    const Uint8 *map;
slouken@1895
  1108
    Uint8 *dst;
slouken@1895
  1109
    int srcskip, dstskip;
slouken@1895
  1110
    int srcbpp;
slouken@1895
  1111
    Uint32 Pixel;
slouken@1895
  1112
    int sR, sG, sB;
slouken@1895
  1113
    SDL_PixelFormat *srcfmt;
slouken@0
  1114
slouken@1895
  1115
    /* Set up some basic variables */
slouken@2262
  1116
    width = info->dst_w;
slouken@2262
  1117
    height = info->dst_h;
slouken@2262
  1118
    src = info->src;
slouken@2267
  1119
    srcskip = info->src_skip;
slouken@2262
  1120
    dst = info->dst;
slouken@2267
  1121
    dstskip = info->dst_skip;
slouken@1895
  1122
    map = info->table;
slouken@2267
  1123
    srcfmt = info->src_fmt;
slouken@1895
  1124
    srcbpp = srcfmt->BytesPerPixel;
slouken@0
  1125
slouken@1895
  1126
    if (map == NULL) {
slouken@1895
  1127
        while (height--) {
slouken@0
  1128
#ifdef USE_DUFFS_LOOP
slouken@1895
  1129
			/* *INDENT-OFF* */
slouken@0
  1130
			DUFFS_LOOP(
icculus@1162
  1131
				DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel,
slouken@0
  1132
								sR, sG, sB);
slouken@0
  1133
				if ( 1 ) {
slouken@0
  1134
				  	/* Pack RGB into 8bit pixel */
slouken@0
  1135
				  	*dst = ((sR>>5)<<(3+2))|
slouken@0
  1136
					        ((sG>>5)<<(2)) |
slouken@0
  1137
					        ((sB>>6)<<(0)) ;
slouken@0
  1138
				}
slouken@0
  1139
				dst++;
slouken@0
  1140
				src += srcbpp;
slouken@0
  1141
			, width);
slouken@1895
  1142
			/* *INDENT-ON* */
slouken@0
  1143
#else
slouken@1895
  1144
            for (c = width; c; --c) {
slouken@1895
  1145
                DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, sR, sG, sB);
slouken@1895
  1146
                if (1) {
slouken@1895
  1147
                    /* Pack RGB into 8bit pixel */
slouken@1895
  1148
                    *dst = ((sR >> 5) << (3 + 2)) |
slouken@1895
  1149
                        ((sG >> 5) << (2)) | ((sB >> 6) << (0));
slouken@1895
  1150
                }
slouken@1895
  1151
                dst++;
slouken@1895
  1152
                src += srcbpp;
slouken@1895
  1153
            }
slouken@0
  1154
#endif
slouken@1895
  1155
            src += srcskip;
slouken@1895
  1156
            dst += dstskip;
slouken@1895
  1157
        }
slouken@1895
  1158
    } else {
slouken@1895
  1159
        while (height--) {
slouken@0
  1160
#ifdef USE_DUFFS_LOOP
slouken@1895
  1161
			/* *INDENT-OFF* */
slouken@0
  1162
			DUFFS_LOOP(
icculus@1162
  1163
				DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel,
slouken@0
  1164
								sR, sG, sB);
slouken@0
  1165
				if ( 1 ) {
slouken@0
  1166
				  	/* Pack RGB into 8bit pixel */
slouken@0
  1167
				  	*dst = map[((sR>>5)<<(3+2))|
slouken@0
  1168
						   ((sG>>5)<<(2))  |
slouken@0
  1169
						   ((sB>>6)<<(0))  ];
slouken@0
  1170
				}
slouken@0
  1171
				dst++;
slouken@0
  1172
				src += srcbpp;
slouken@0
  1173
			, width);
slouken@1895
  1174
			/* *INDENT-ON* */
slouken@0
  1175
#else
slouken@1895
  1176
            for (c = width; c; --c) {
slouken@1895
  1177
                DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, sR, sG, sB);
slouken@1895
  1178
                if (1) {
slouken@1895
  1179
                    /* Pack RGB into 8bit pixel */
slouken@1895
  1180
                    *dst = map[((sR >> 5) << (3 + 2)) |
slouken@1895
  1181
                               ((sG >> 5) << (2)) | ((sB >> 6) << (0))];
slouken@1895
  1182
                }
slouken@1895
  1183
                dst++;
slouken@1895
  1184
                src += srcbpp;
slouken@1895
  1185
            }
slouken@0
  1186
#endif /* USE_DUFFS_LOOP */
slouken@1895
  1187
            src += srcskip;
slouken@1895
  1188
            dst += dstskip;
slouken@1895
  1189
        }
slouken@1895
  1190
    }
slouken@0
  1191
}
icculus@1232
  1192
icculus@1232
  1193
/* blits 32 bit RGB<->RGBA with both surfaces having the same R,G,B fields */
slouken@1895
  1194
static void
slouken@1895
  1195
Blit4to4MaskAlpha(SDL_BlitInfo * info)
icculus@1232
  1196
{
slouken@2262
  1197
    int width = info->dst_w;
slouken@2262
  1198
    int height = info->dst_h;
slouken@2262
  1199
    Uint32 *src = (Uint32 *) info->src;
slouken@2267
  1200
    int srcskip = info->src_skip;
slouken@2262
  1201
    Uint32 *dst = (Uint32 *) info->dst;
slouken@2267
  1202
    int dstskip = info->dst_skip;
slouken@2267
  1203
    SDL_PixelFormat *srcfmt = info->src_fmt;
slouken@2267
  1204
    SDL_PixelFormat *dstfmt = info->dst_fmt;
icculus@1232
  1205
slouken@1895
  1206
    if (dstfmt->Amask) {
slouken@1895
  1207
        /* RGB->RGBA, SET_ALPHA */
slouken@2267
  1208
        Uint32 mask = (info->a >> dstfmt->Aloss) << dstfmt->Ashift;
icculus@1232
  1209
slouken@1895
  1210
        while (height--) {
slouken@1895
  1211
			/* *INDENT-OFF* */
icculus@1232
  1212
			DUFFS_LOOP(
icculus@1232
  1213
			{
icculus@1232
  1214
				*dst = *src | mask;
icculus@1232
  1215
				++dst;
icculus@1232
  1216
				++src;
icculus@1232
  1217
			},
icculus@1232
  1218
			width);
slouken@1895
  1219
			/* *INDENT-ON* */
slouken@1895
  1220
            src = (Uint32 *) ((Uint8 *) src + srcskip);
slouken@1895
  1221
            dst = (Uint32 *) ((Uint8 *) dst + dstskip);
slouken@1895
  1222
        }
slouken@1895
  1223
    } else {
slouken@1895
  1224
        /* RGBA->RGB, NO_ALPHA */
slouken@1895
  1225
        Uint32 mask = srcfmt->Rmask | srcfmt->Gmask | srcfmt->Bmask;
icculus@1232
  1226
slouken@1895
  1227
        while (height--) {
slouken@1895
  1228
			/* *INDENT-OFF* */
icculus@1232
  1229
			DUFFS_LOOP(
icculus@1232
  1230
			{
icculus@1232
  1231
				*dst = *src & mask;
icculus@1232
  1232
				++dst;
icculus@1232
  1233
				++src;
icculus@1232
  1234
			},
icculus@1232
  1235
			width);
slouken@1895
  1236
			/* *INDENT-ON* */
slouken@1895
  1237
            src = (Uint32 *) ((Uint8 *) src + srcskip);
slouken@1895
  1238
            dst = (Uint32 *) ((Uint8 *) dst + dstskip);
slouken@1895
  1239
        }
slouken@1895
  1240
    }
icculus@1232
  1241
}
icculus@1232
  1242
slouken@1895
  1243
static void
slouken@1895
  1244
BlitNtoN(SDL_BlitInfo * info)
slouken@0
  1245
{
slouken@2262
  1246
    int width = info->dst_w;
slouken@2262
  1247
    int height = info->dst_h;
slouken@2262
  1248
    Uint8 *src = info->src;
slouken@2267
  1249
    int srcskip = info->src_skip;
slouken@2262
  1250
    Uint8 *dst = info->dst;
slouken@2267
  1251
    int dstskip = info->dst_skip;
slouken@2267
  1252
    SDL_PixelFormat *srcfmt = info->src_fmt;
slouken@1895
  1253
    int srcbpp = srcfmt->BytesPerPixel;
slouken@2267
  1254
    SDL_PixelFormat *dstfmt = info->dst_fmt;
slouken@1895
  1255
    int dstbpp = dstfmt->BytesPerPixel;
slouken@2267
  1256
    unsigned alpha = dstfmt->Amask ? info->a : 0;
slouken@0
  1257
slouken@1895
  1258
    while (height--) {
slouken@1895
  1259
		/* *INDENT-OFF* */
slouken@0
  1260
		DUFFS_LOOP(
slouken@0
  1261
		{
slouken@1985
  1262
            Uint32 Pixel;
slouken@0
  1263
			unsigned sR;
slouken@0
  1264
			unsigned sG;
slouken@0
  1265
			unsigned sB;
icculus@1162
  1266
			DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, sR, sG, sB);
slouken@0
  1267
			ASSEMBLE_RGBA(dst, dstbpp, dstfmt, sR, sG, sB, alpha);
slouken@0
  1268
			dst += dstbpp;
slouken@0
  1269
			src += srcbpp;
slouken@0
  1270
		},
slouken@0
  1271
		width);
slouken@1895
  1272
		/* *INDENT-ON* */
slouken@1895
  1273
        src += srcskip;
slouken@1895
  1274
        dst += dstskip;
slouken@1895
  1275
    }
slouken@0
  1276
}
slouken@0
  1277
slouken@1895
  1278
static void
slouken@1895
  1279
BlitNtoNCopyAlpha(SDL_BlitInfo * info)
slouken@0
  1280
{
slouken@2262
  1281
    int width = info->dst_w;
slouken@2262
  1282
    int height = info->dst_h;
slouken@2262
  1283
    Uint8 *src = info->src;
slouken@2267
  1284
    int srcskip = info->src_skip;
slouken@2262
  1285
    Uint8 *dst = info->dst;
slouken@2267
  1286
    int dstskip = info->dst_skip;
slouken@2267
  1287
    SDL_PixelFormat *srcfmt = info->src_fmt;
slouken@1895
  1288
    int srcbpp = srcfmt->BytesPerPixel;
slouken@2267
  1289
    SDL_PixelFormat *dstfmt = info->dst_fmt;
slouken@1895
  1290
    int dstbpp = dstfmt->BytesPerPixel;
slouken@1895
  1291
    int c;
slouken@0
  1292
slouken@1895
  1293
    /* FIXME: should map alpha to [0..255] correctly! */
slouken@1895
  1294
    while (height--) {
slouken@1895
  1295
        for (c = width; c; --c) {
slouken@1895
  1296
            Uint32 Pixel;
slouken@1895
  1297
            unsigned sR, sG, sB, sA;
slouken@1895
  1298
            DISEMBLE_RGBA(src, srcbpp, srcfmt, Pixel, sR, sG, sB, sA);
slouken@1895
  1299
            ASSEMBLE_RGBA(dst, dstbpp, dstfmt, sR, sG, sB, sA);
slouken@1895
  1300
            dst += dstbpp;
slouken@1895
  1301
            src += srcbpp;
slouken@1895
  1302
        }
slouken@1895
  1303
        src += srcskip;
slouken@1895
  1304
        dst += dstskip;
slouken@1895
  1305
    }
slouken@0
  1306
}
slouken@0
  1307
slouken@1895
  1308
static void
slouken@1895
  1309
BlitNto1Key(SDL_BlitInfo * info)
slouken@0
  1310
{
slouken@2262
  1311
    int width = info->dst_w;
slouken@2262
  1312
    int height = info->dst_h;
slouken@2262
  1313
    Uint8 *src = info->src;
slouken@2267
  1314
    int srcskip = info->src_skip;
slouken@2262
  1315
    Uint8 *dst = info->dst;
slouken@2267
  1316
    int dstskip = info->dst_skip;
slouken@2267
  1317
    SDL_PixelFormat *srcfmt = info->src_fmt;
slouken@1895
  1318
    const Uint8 *palmap = info->table;
slouken@2267
  1319
    Uint32 ckey = info->colorkey;
slouken@1895
  1320
    Uint32 rgbmask = ~srcfmt->Amask;
slouken@1895
  1321
    int srcbpp;
slouken@1895
  1322
    Uint32 Pixel;
slouken@1895
  1323
    unsigned sR, sG, sB;
slouken@0
  1324
slouken@1895
  1325
    /* Set up some basic variables */
slouken@1895
  1326
    srcbpp = srcfmt->BytesPerPixel;
slouken@1895
  1327
    ckey &= rgbmask;
slouken@0
  1328
slouken@1895
  1329
    if (palmap == NULL) {
slouken@1895
  1330
        while (height--) {
slouken@1895
  1331
			/* *INDENT-OFF* */
slouken@0
  1332
			DUFFS_LOOP(
slouken@0
  1333
			{
icculus@1162
  1334
				DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel,
slouken@0
  1335
								sR, sG, sB);
icculus@1162
  1336
				if ( (Pixel & rgbmask) != ckey ) {
slouken@0
  1337
				  	/* Pack RGB into 8bit pixel */
slouken@1428
  1338
				  	*dst = (Uint8)(((sR>>5)<<(3+2))|
slouken@1428
  1339
						           ((sG>>5)<<(2)) |
slouken@1428
  1340
						           ((sB>>6)<<(0)));
slouken@0
  1341
				}
slouken@0
  1342
				dst++;
slouken@0
  1343
				src += srcbpp;
slouken@0
  1344
			},
slouken@0
  1345
			width);
slouken@1895
  1346
			/* *INDENT-ON* */
slouken@1895
  1347
            src += srcskip;
slouken@1895
  1348
            dst += dstskip;
slouken@1895
  1349
        }
slouken@1895
  1350
    } else {
slouken@1895
  1351
        while (height--) {
slouken@1895
  1352
			/* *INDENT-OFF* */
slouken@0
  1353
			DUFFS_LOOP(
slouken@0
  1354
			{
icculus@1162
  1355
				DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel,
slouken@0
  1356
								sR, sG, sB);
icculus@1162
  1357
				if ( (Pixel & rgbmask) != ckey ) {
slouken@0
  1358
				  	/* Pack RGB into 8bit pixel */
slouken@1428
  1359
				  	*dst = (Uint8)palmap[((sR>>5)<<(3+2))|
slouken@1428
  1360
							             ((sG>>5)<<(2))  |
slouken@1428
  1361
							             ((sB>>6)<<(0))  ];
slouken@0
  1362
				}
slouken@0
  1363
				dst++;
slouken@0
  1364
				src += srcbpp;
slouken@0
  1365
			},
slouken@0
  1366
			width);
slouken@1895
  1367
			/* *INDENT-ON* */
slouken@1895
  1368
            src += srcskip;
slouken@1895
  1369
            dst += dstskip;
slouken@1895
  1370
        }
slouken@1895
  1371
    }
slouken@0
  1372
}
slouken@0
  1373
slouken@1895
  1374
static void
slouken@1895
  1375
Blit2to2Key(SDL_BlitInfo * info)
slouken@0
  1376
{
slouken@2262
  1377
    int width = info->dst_w;
slouken@2262
  1378
    int height = info->dst_h;
slouken@2262
  1379
    Uint16 *srcp = (Uint16 *) info->src;
slouken@2267
  1380
    int srcskip = info->src_skip;
slouken@2262
  1381
    Uint16 *dstp = (Uint16 *) info->dst;
slouken@2267
  1382
    int dstskip = info->dst_skip;
slouken@2267
  1383
    Uint32 ckey = info->colorkey;
slouken@2267
  1384
    Uint32 rgbmask = ~info->src_fmt->Amask;
slouken@0
  1385
slouken@1895
  1386
    /* Set up some basic variables */
slouken@1895
  1387
    srcskip /= 2;
slouken@1895
  1388
    dstskip /= 2;
slouken@1895
  1389
    ckey &= rgbmask;
slouken@0
  1390
slouken@1895
  1391
    while (height--) {
slouken@1895
  1392
		/* *INDENT-OFF* */
slouken@0
  1393
		DUFFS_LOOP(
slouken@0
  1394
		{
slouken@0
  1395
			if ( (*srcp & rgbmask) != ckey ) {
slouken@0
  1396
				*dstp = *srcp;
slouken@0
  1397
			}
slouken@0
  1398
			dstp++;
slouken@0
  1399
			srcp++;
slouken@0
  1400
		},
slouken@0
  1401
		width);
slouken@1895
  1402
		/* *INDENT-ON* */
slouken@1895
  1403
        srcp += srcskip;
slouken@1895
  1404
        dstp += dstskip;
slouken@1895
  1405
    }
slouken@0
  1406
}
slouken@0
  1407
slouken@1895
  1408
static void
slouken@1895
  1409
BlitNtoNKey(SDL_BlitInfo * info)
slouken@0
  1410
{
slouken@2262
  1411
    int width = info->dst_w;
slouken@2262
  1412
    int height = info->dst_h;
slouken@2262
  1413
    Uint8 *src = info->src;
slouken@2267
  1414
    int srcskip = info->src_skip;
slouken@2262
  1415
    Uint8 *dst = info->dst;
slouken@2267
  1416
    int dstskip = info->dst_skip;
slouken@2267
  1417
    Uint32 ckey = info->colorkey;
slouken@2267
  1418
    SDL_PixelFormat *srcfmt = info->src_fmt;
slouken@2267
  1419
    SDL_PixelFormat *dstfmt = info->dst_fmt;
slouken@1895
  1420
    int srcbpp = srcfmt->BytesPerPixel;
slouken@1895
  1421
    int dstbpp = dstfmt->BytesPerPixel;
slouken@2267
  1422
    unsigned alpha = dstfmt->Amask ? info->a : 0;
slouken@1895
  1423
    Uint32 rgbmask = ~srcfmt->Amask;
slouken@1543
  1424
slouken@1895
  1425
    /* Set up some basic variables */
slouken@1895
  1426
    ckey &= rgbmask;
slouken@0
  1427
slouken@1895
  1428
    while (height--) {
slouken@1895
  1429
		/* *INDENT-OFF* */
slouken@0
  1430
		DUFFS_LOOP(
slouken@0
  1431
		{
slouken@1985
  1432
            Uint32 Pixel;
slouken@0
  1433
			unsigned sR;
slouken@0
  1434
			unsigned sG;
slouken@0
  1435
			unsigned sB;
icculus@1162
  1436
			RETRIEVE_RGB_PIXEL(src, srcbpp, Pixel);
slouken@1543
  1437
			if ( (Pixel & rgbmask) != ckey ) {
slouken@1985
  1438
                RGB_FROM_PIXEL(Pixel, srcfmt, sR, sG, sB);
slouken@1985
  1439
				ASSEMBLE_RGBA(dst, dstbpp, dstfmt, sR, sG, sB, alpha);
slouken@0
  1440
			}
slouken@0
  1441
			dst += dstbpp;
slouken@0
  1442
			src += srcbpp;
slouken@0
  1443
		},
slouken@0
  1444
		width);
slouken@1895
  1445
		/* *INDENT-ON* */
slouken@1895
  1446
        src += srcskip;
slouken@1895
  1447
        dst += dstskip;
slouken@1895
  1448
    }
slouken@0
  1449
}
slouken@0
  1450
slouken@1895
  1451
static void
slouken@1895
  1452
BlitNtoNKeyCopyAlpha(SDL_BlitInfo * info)
slouken@0
  1453
{
slouken@2262
  1454
    int width = info->dst_w;
slouken@2262
  1455
    int height = info->dst_h;
slouken@2262
  1456
    Uint8 *src = info->src;
slouken@2267
  1457
    int srcskip = info->src_skip;
slouken@2262
  1458
    Uint8 *dst = info->dst;
slouken@2267
  1459
    int dstskip = info->dst_skip;
slouken@2267
  1460
    Uint32 ckey = info->colorkey;
slouken@2267
  1461
    SDL_PixelFormat *srcfmt = info->src_fmt;
slouken@2267
  1462
    SDL_PixelFormat *dstfmt = info->dst_fmt;
slouken@1895
  1463
    Uint32 rgbmask = ~srcfmt->Amask;
slouken@0
  1464
slouken@1895
  1465
    Uint8 srcbpp;
slouken@1895
  1466
    Uint8 dstbpp;
slouken@1895
  1467
    Uint32 Pixel;
slouken@1895
  1468
    unsigned sR, sG, sB, sA;
slouken@0
  1469
slouken@1895
  1470
    /* Set up some basic variables */
slouken@1895
  1471
    srcbpp = srcfmt->BytesPerPixel;
slouken@1895
  1472
    dstbpp = dstfmt->BytesPerPixel;
slouken@1895
  1473
    ckey &= rgbmask;
slouken@0
  1474
slouken@1895
  1475
    /* FIXME: should map alpha to [0..255] correctly! */
slouken@1895
  1476
    while (height--) {
slouken@1895
  1477
		/* *INDENT-OFF* */
slouken@0
  1478
		DUFFS_LOOP(
slouken@0
  1479
		{
slouken@1985
  1480
			DISEMBLE_RGBA(src, srcbpp, srcfmt, Pixel, sR, sG, sB, sA);
icculus@1162
  1481
			if ( (Pixel & rgbmask) != ckey ) {
slouken@1985
  1482
				  ASSEMBLE_RGBA(dst, dstbpp, dstfmt, sR, sG, sB, sA);
slouken@0
  1483
			}
slouken@0
  1484
			dst += dstbpp;
slouken@0
  1485
			src += srcbpp;
slouken@0
  1486
		},
slouken@0
  1487
		width);
slouken@1895
  1488
		/* *INDENT-ON* */
slouken@1895
  1489
        src += srcskip;
slouken@1895
  1490
        dst += dstskip;
slouken@1895
  1491
    }
slouken@0
  1492
}
slouken@0
  1493
slouken@0
  1494
/* Normal N to N optimized blitters */
slouken@1895
  1495
struct blit_table
slouken@1895
  1496
{
slouken@1895
  1497
    Uint32 srcR, srcG, srcB;
slouken@1895
  1498
    int dstbpp;
slouken@1895
  1499
    Uint32 dstR, dstG, dstB;
slouken@1895
  1500
    Uint32 blit_features;
slouken@2267
  1501
    SDL_BlitFunc blitfunc;
slouken@1895
  1502
    enum
slouken@1895
  1503
    { NO_ALPHA = 1, SET_ALPHA = 2, COPY_ALPHA = 4 } alpha;
slouken@0
  1504
};
slouken@91
  1505
static const struct blit_table normal_blit_1[] = {
slouken@1895
  1506
    /* Default for 8-bit RGB source, an invalid combination */
slouken@2257
  1507
    {0, 0, 0, 0, 0, 0, 0, 0, NULL},
slouken@0
  1508
};
slouken@2735
  1509
slouken@91
  1510
static const struct blit_table normal_blit_2[] = {
slouken@1895
  1511
    {0x0000F800, 0x000007E0, 0x0000001F, 4, 0x00FF0000, 0x0000FF00,
slouken@1895
  1512
     0x000000FF,
slouken@2257
  1513
     0, Blit_RGB565_ARGB8888, SET_ALPHA},
slouken@1895
  1514
    {0x0000F800, 0x000007E0, 0x0000001F, 4, 0x000000FF, 0x0000FF00,
slouken@1895
  1515
     0x00FF0000,
slouken@2257
  1516
     0, Blit_RGB565_ABGR8888, SET_ALPHA},
slouken@1895
  1517
    {0x0000F800, 0x000007E0, 0x0000001F, 4, 0xFF000000, 0x00FF0000,
slouken@1895
  1518
     0x0000FF00,
slouken@2257
  1519
     0, Blit_RGB565_RGBA8888, SET_ALPHA},
slouken@1895
  1520
    {0x0000F800, 0x000007E0, 0x0000001F, 4, 0x0000FF00, 0x00FF0000,
slouken@1895
  1521
     0xFF000000,
slouken@2257
  1522
     0, Blit_RGB565_BGRA8888, SET_ALPHA},
slouken@0
  1523
slouken@0
  1524
    /* Default for 16-bit RGB source, used if no other blitter matches */
slouken@2257
  1525
    {0, 0, 0, 0, 0, 0, 0, 0, BlitNtoN, 0}
slouken@0
  1526
};
slouken@2735
  1527
slouken@91
  1528
static const struct blit_table normal_blit_3[] = {
slouken@1895
  1529
    /* Default for 24-bit RGB source, never optimized */
slouken@2257
  1530
    {0, 0, 0, 0, 0, 0, 0, 0, BlitNtoN, 0}
slouken@0
  1531
};
slouken@2735
  1532
slouken@91
  1533
static const struct blit_table normal_blit_4[] = {
slouken@1895
  1534
    {0x00FF0000, 0x0000FF00, 0x000000FF, 2, 0x0000F800, 0x000007E0,
slouken@1895
  1535
     0x0000001F,
slouken@2257
  1536
     0, Blit_RGB888_RGB565, NO_ALPHA},
slouken@1895
  1537
    {0x00FF0000, 0x0000FF00, 0x000000FF, 2, 0x00007C00, 0x000003E0,
slouken@1895
  1538
     0x0000001F,
slouken@2257
  1539
     0, Blit_RGB888_RGB555, NO_ALPHA},
slouken@1895
  1540
    /* Default for 32-bit RGB source, used if no other blitter matches */
slouken@2257
  1541
    {0, 0, 0, 0, 0, 0, 0, 0, BlitNtoN, 0}
slouken@0
  1542
};
slouken@2735
  1543
slouken@3162
  1544
static const struct blit_table *const normal_blit[] = {
slouken@1895
  1545
    normal_blit_1, normal_blit_2, normal_blit_3, normal_blit_4
slouken@0
  1546
};
slouken@0
  1547
icculus@1047
  1548
/* Mask matches table, or table entry is zero */
icculus@1047
  1549
#define MASKOK(x, y) (((x) == (y)) || ((y) == 0x00000000))
icculus@1047
  1550
slouken@2267
  1551
SDL_BlitFunc
slouken@2267
  1552
SDL_CalculateBlitN(SDL_Surface * surface)
slouken@0
  1553
{
slouken@1895
  1554
    SDL_PixelFormat *srcfmt;
slouken@1895
  1555
    SDL_PixelFormat *dstfmt;
slouken@1895
  1556
    const struct blit_table *table;
slouken@1895
  1557
    int which;
slouken@2267
  1558
    SDL_BlitFunc blitfun;
slouken@0
  1559
slouken@1895
  1560
    /* Set up data for choosing the blit */
slouken@1895
  1561
    srcfmt = surface->format;
slouken@1895
  1562
    dstfmt = surface->map->dst->format;
slouken@0
  1563
slouken@1895
  1564
    /* We don't support destinations less than 8-bits */
slouken@1895
  1565
    if (dstfmt->BitsPerPixel < 8) {
slouken@1895
  1566
        return (NULL);
slouken@1895
  1567
    }
slouken@0
  1568
slouken@2853
  1569
    switch (surface->map->info.flags & ~SDL_COPY_RLE_MASK) {
slouken@2267
  1570
    case 0:
slouken@2267
  1571
        blitfun = NULL;
slouken@2267
  1572
        if (dstfmt->BitsPerPixel == 8) {
slouken@2267
  1573
            /* We assume 8-bit destinations are palettized */
slouken@2267
  1574
            if ((srcfmt->BytesPerPixel == 4) &&
slouken@2267
  1575
                (srcfmt->Rmask == 0x00FF0000) &&
slouken@2267
  1576
                (srcfmt->Gmask == 0x0000FF00) &&
slouken@2267
  1577
                (srcfmt->Bmask == 0x000000FF)) {
slouken@2267
  1578
                if (surface->map->info.table) {
slouken@2267
  1579
                    blitfun = Blit_RGB888_index8_map;
slouken@2267
  1580
                } else {
slouken@2267
  1581
                    blitfun = Blit_RGB888_index8;
slouken@2267
  1582
                }
slouken@2267
  1583
            } else {
slouken@2267
  1584
                blitfun = BlitNto1;
slouken@2267
  1585
            }
slouken@2267
  1586
        } else {
slouken@2267
  1587
            /* Now the meat, choose the blitter we want */
slouken@2267
  1588
            int a_need = NO_ALPHA;
slouken@2267
  1589
            if (dstfmt->Amask)
slouken@2267
  1590
                a_need = srcfmt->Amask ? COPY_ALPHA : SET_ALPHA;
slouken@2267
  1591
            table = normal_blit[srcfmt->BytesPerPixel - 1];
slouken@2267
  1592
            for (which = 0; table[which].dstbpp; ++which) {
slouken@2267
  1593
                if (MASKOK(srcfmt->Rmask, table[which].srcR) &&
slouken@2267
  1594
                    MASKOK(srcfmt->Gmask, table[which].srcG) &&
slouken@2267
  1595
                    MASKOK(srcfmt->Bmask, table[which].srcB) &&
slouken@2267
  1596
                    MASKOK(dstfmt->Rmask, table[which].dstR) &&
slouken@2267
  1597
                    MASKOK(dstfmt->Gmask, table[which].dstG) &&
slouken@2267
  1598
                    MASKOK(dstfmt->Bmask, table[which].dstB) &&
slouken@2267
  1599
                    dstfmt->BytesPerPixel == table[which].dstbpp &&
slouken@2267
  1600
                    (a_need & table[which].alpha) == a_need &&
slouken@2267
  1601
                    ((table[which].blit_features & GetBlitFeatures()) ==
slouken@2267
  1602
                     table[which].blit_features))
slouken@2267
  1603
                    break;
slouken@2267
  1604
            }
slouken@2267
  1605
            blitfun = table[which].blitfunc;
slouken@2267
  1606
slouken@2267
  1607
            if (blitfun == BlitNtoN) {  /* default C fallback catch-all. Slow! */
slouken@2267
  1608
                /* Fastpath C fallback: 32bit RGB<->RGBA blit with matching RGB */
slouken@2267
  1609
                if (srcfmt->BytesPerPixel == 4 && dstfmt->BytesPerPixel == 4
slouken@2267
  1610
                    && srcfmt->Rmask == dstfmt->Rmask
slouken@2267
  1611
                    && srcfmt->Gmask == dstfmt->Gmask
slouken@2267
  1612
                    && srcfmt->Bmask == dstfmt->Bmask) {
slouken@2267
  1613
                    blitfun = Blit4to4MaskAlpha;
slouken@2267
  1614
                } else if (a_need == COPY_ALPHA) {
slouken@2267
  1615
                    blitfun = BlitNtoNCopyAlpha;
slouken@2267
  1616
                }
slouken@2267
  1617
            }
slouken@2267
  1618
        }
slouken@2267
  1619
        return (blitfun);
slouken@2267
  1620
slouken@2267
  1621
    case SDL_COPY_COLORKEY:
slouken@1895
  1622
        /* colorkey blit: Here we don't have too many options, mostly
slouken@1895
  1623
           because RLE is the preferred fast way to deal with this.
slouken@1895
  1624
           If a particular case turns out to be useful we'll add it. */
slouken@1895
  1625
slouken@1895
  1626
        if (srcfmt->BytesPerPixel == 2 && surface->map->identity)
slouken@1895
  1627
            return Blit2to2Key;
slouken@1895
  1628
        else if (dstfmt->BytesPerPixel == 1)
slouken@1895
  1629
            return BlitNto1Key;
slouken@1895
  1630
        else {
slouken@2267
  1631
            if (srcfmt->Amask && dstfmt->Amask) {
slouken@1895
  1632
                return BlitNtoNKeyCopyAlpha;
slouken@2267
  1633
            } else {
slouken@1895
  1634
                return BlitNtoNKey;
slouken@1895
  1635
            }
slouken@1895
  1636
        }
slouken@1895
  1637
    }
slouken@0
  1638
slouken@2267
  1639
    return NULL;
slouken@0
  1640
}
slouken@1895
  1641
slouken@1895
  1642
/* vi: set ts=4 sw=4 expandtab: */