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comparison src/video/SDL_blit_N.c @ 1428:5f52867ba65c

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Update for Visual C++ 6.0
author Sam Lantinga <slouken@libsdl.org>
date Fri, 24 Feb 2006 18:24:57 +0000
parents d910939febfa
children 9ebbbb4ae53b
comparison
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1427:5f5a74d29d18 1428:5f52867ba65c
856 856
857 #else 857 #else
858 858
859 /* Special optimized blit for RGB 8-8-8 --> RGB 3-3-2 */ 859 /* Special optimized blit for RGB 8-8-8 --> RGB 3-3-2 */
860 #define RGB888_RGB332(dst, src) { \ 860 #define RGB888_RGB332(dst, src) { \
861 dst = (((src)&0x00E00000)>>16)| \ 861 dst = (Uint8)((((src)&0x00E00000)>>16)| \
862 (((src)&0x0000E000)>>11)| \ 862 (((src)&0x0000E000)>>11)| \
863 (((src)&0x000000C0)>>6); \ 863 (((src)&0x000000C0)>>6)); \
864 } 864 }
865 static void Blit_RGB888_index8(SDL_BlitInfo *info) 865 static void Blit_RGB888_index8(SDL_BlitInfo *info)
866 { 866 {
867 #ifndef USE_DUFFS_LOOP 867 #ifndef USE_DUFFS_LOOP
868 int c; 868 int c;
960 } 960 }
961 } 961 }
962 } 962 }
963 /* Special optimized blit for RGB 8-8-8 --> RGB 5-5-5 */ 963 /* Special optimized blit for RGB 8-8-8 --> RGB 5-5-5 */
964 #define RGB888_RGB555(dst, src) { \ 964 #define RGB888_RGB555(dst, src) { \
965 *(Uint16 *)(dst) = (((*src)&0x00F80000)>>9)| \ 965 *(Uint16 *)(dst) = (Uint16)((((*src)&0x00F80000)>>9)| \
966 (((*src)&0x0000F800)>>6)| \ 966 (((*src)&0x0000F800)>>6)| \
967 (((*src)&0x000000F8)>>3); \ 967 (((*src)&0x000000F8)>>3)); \
968 } 968 }
969 #define RGB888_RGB555_TWO(dst, src) { \ 969 #define RGB888_RGB555_TWO(dst, src) { \
970 *(Uint32 *)(dst) = (((((src[HI])&0x00F80000)>>9)| \ 970 *(Uint32 *)(dst) = (((((src[HI])&0x00F80000)>>9)| \
971 (((src[HI])&0x0000F800)>>6)| \ 971 (((src[HI])&0x0000F800)>>6)| \
972 (((src[HI])&0x000000F8)>>3))<<16)| \ 972 (((src[HI])&0x000000F8)>>3))<<16)| \
1080 } 1080 }
1081 #endif /* USE_DUFFS_LOOP */ 1081 #endif /* USE_DUFFS_LOOP */
1082 } 1082 }
1083 /* Special optimized blit for RGB 8-8-8 --> RGB 5-6-5 */ 1083 /* Special optimized blit for RGB 8-8-8 --> RGB 5-6-5 */
1084 #define RGB888_RGB565(dst, src) { \ 1084 #define RGB888_RGB565(dst, src) { \
1085 *(Uint16 *)(dst) = (((*src)&0x00F80000)>>8)| \ 1085 *(Uint16 *)(dst) = (Uint16)((((*src)&0x00F80000)>>8)| \
1086 (((*src)&0x0000FC00)>>5)| \ 1086 (((*src)&0x0000FC00)>>5)| \
1087 (((*src)&0x000000F8)>>3); \ 1087 (((*src)&0x000000F8)>>3)); \
1088 } 1088 }
1089 #define RGB888_RGB565_TWO(dst, src) { \ 1089 #define RGB888_RGB565_TWO(dst, src) { \
1090 *(Uint32 *)(dst) = (((((src[HI])&0x00F80000)>>8)| \ 1090 *(Uint32 *)(dst) = (((((src[HI])&0x00F80000)>>8)| \
1091 (((src[HI])&0x0000FC00)>>5)| \ 1091 (((src[HI])&0x0000FC00)>>5)| \
1092 (((src[HI])&0x000000F8)>>3))<<16)| \ 1092 (((src[HI])&0x000000F8)>>3))<<16)| \
2099 const Uint8 *palmap = info->table; 2099 const Uint8 *palmap = info->table;
2100 Uint32 ckey = srcfmt->colorkey; 2100 Uint32 ckey = srcfmt->colorkey;
2101 Uint32 rgbmask = ~srcfmt->Amask; 2101 Uint32 rgbmask = ~srcfmt->Amask;
2102 int srcbpp; 2102 int srcbpp;
2103 Uint32 Pixel; 2103 Uint32 Pixel;
2104 Uint8 sR, sG, sB; 2104 unsigned sR, sG, sB;
2105 2105
2106 /* Set up some basic variables */ 2106 /* Set up some basic variables */
2107 srcbpp = srcfmt->BytesPerPixel; 2107 srcbpp = srcfmt->BytesPerPixel;
2108 ckey &= rgbmask; 2108 ckey &= rgbmask;
2109 2109
2113 { 2113 {
2114 DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, 2114 DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel,
2115 sR, sG, sB); 2115 sR, sG, sB);
2116 if ( (Pixel & rgbmask) != ckey ) { 2116 if ( (Pixel & rgbmask) != ckey ) {
2117 /* Pack RGB into 8bit pixel */ 2117 /* Pack RGB into 8bit pixel */
2118 *dst = ((sR>>5)<<(3+2))| 2118 *dst = (Uint8)(((sR>>5)<<(3+2))|
2119 ((sG>>5)<<(2)) | 2119 ((sG>>5)<<(2)) |
2120 ((sB>>6)<<(0)) ; 2120 ((sB>>6)<<(0)));
2121 } 2121 }
2122 dst++; 2122 dst++;
2123 src += srcbpp; 2123 src += srcbpp;
2124 }, 2124 },
2125 width); 2125 width);
2132 { 2132 {
2133 DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, 2133 DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel,
2134 sR, sG, sB); 2134 sR, sG, sB);
2135 if ( (Pixel & rgbmask) != ckey ) { 2135 if ( (Pixel & rgbmask) != ckey ) {
2136 /* Pack RGB into 8bit pixel */ 2136 /* Pack RGB into 8bit pixel */
2137 *dst = palmap[((sR>>5)<<(3+2))| 2137 *dst = (Uint8)palmap[((sR>>5)<<(3+2))|
2138 ((sG>>5)<<(2)) | 2138 ((sG>>5)<<(2)) |
2139 ((sB>>6)<<(0)) ]; 2139 ((sB>>6)<<(0)) ];
2140 } 2140 }
2141 dst++; 2141 dst++;
2142 src += srcbpp; 2142 src += srcbpp;
2143 }, 2143 },
2144 width); 2144 width);
2230 Uint32 rgbmask = ~srcfmt->Amask; 2230 Uint32 rgbmask = ~srcfmt->Amask;
2231 2231
2232 Uint8 srcbpp; 2232 Uint8 srcbpp;
2233 Uint8 dstbpp; 2233 Uint8 dstbpp;
2234 Uint32 Pixel; 2234 Uint32 Pixel;
2235 Uint8 sR, sG, sB, sA; 2235 unsigned sR, sG, sB, sA;
2236 2236
2237 /* Set up some basic variables */ 2237 /* Set up some basic variables */
2238 srcbpp = srcfmt->BytesPerPixel; 2238 srcbpp = srcfmt->BytesPerPixel;
2239 dstbpp = dstfmt->BytesPerPixel; 2239 dstbpp = dstfmt->BytesPerPixel;
2240 ckey &= rgbmask; 2240 ckey &= rgbmask;