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comparison src/video/SDL_RLEaccel.c @ 1456:84de7511f79f

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Fixed a bunch of 64-bit compatibility problems
author Sam Lantinga <slouken@libsdl.org>
date Wed, 01 Mar 2006 09:43:47 +0000
parents 5f52867ba65c
children 782fd950bd46 c121d94672cb a1b03ba2fcd0
comparison
equal deleted inserted replaced
1455:f487bb150acc 1456:84de7511f79f
585 #define ALPHA_BLIT16_50(to, from, length, bpp, alpha, mask) \ 585 #define ALPHA_BLIT16_50(to, from, length, bpp, alpha, mask) \
586 do { \ 586 do { \
587 unsigned n = (length); \ 587 unsigned n = (length); \
588 Uint16 *src = (Uint16 *)(from); \ 588 Uint16 *src = (Uint16 *)(from); \
589 Uint16 *dst = (Uint16 *)(to); \ 589 Uint16 *dst = (Uint16 *)(to); \
590 if(((unsigned long)src ^ (unsigned long)dst) & 3) { \ 590 if(((uintptr_t)src ^ (uintptr_t)dst) & 3) { \
591 /* source and destination not in phase, blit one by one */ \ 591 /* source and destination not in phase, blit one by one */ \
592 while(n--) \ 592 while(n--) \
593 BLEND16_50(dst, src, mask); \ 593 BLEND16_50(dst, src, mask); \
594 } else { \ 594 } else { \
595 if((unsigned long)src & 3) { \ 595 if((uintptr_t)src & 3) { \
596 /* first odd pixel */ \ 596 /* first odd pixel */ \
597 BLEND16_50(dst, src, mask); \ 597 BLEND16_50(dst, src, mask); \
598 n--; \ 598 n--; \
599 } \ 599 } \
600 for(; n > 1; n -= 2) { \ 600 for(; n > 1; n -= 2) { \
1053 } else if(!ofs) \ 1053 } else if(!ofs) \
1054 return; \ 1054 return; \
1055 } while(ofs < w); \ 1055 } while(ofs < w); \
1056 /* skip padding if necessary */ \ 1056 /* skip padding if necessary */ \
1057 if(sizeof(Ptype) == 2) \ 1057 if(sizeof(Ptype) == 2) \
1058 srcbuf += (unsigned long)srcbuf & 2; \ 1058 srcbuf += (uintptr_t)srcbuf & 2; \
1059 /* blit translucent pixels on the same line */ \ 1059 /* blit translucent pixels on the same line */ \
1060 ofs = 0; \ 1060 ofs = 0; \
1061 do { \ 1061 do { \
1062 unsigned run; \ 1062 unsigned run; \
1063 ofs += ((Uint16 *)srcbuf)[0]; \ 1063 ofs += ((Uint16 *)srcbuf)[0]; \
1145 } else if(!ofs) 1145 } else if(!ofs)
1146 goto done; 1146 goto done;
1147 } while(ofs < w); 1147 } while(ofs < w);
1148 1148
1149 /* skip padding */ 1149 /* skip padding */
1150 srcbuf += (unsigned long)srcbuf & 2; 1150 srcbuf += (uintptr_t)srcbuf & 2;
1151 1151
1152 /* skip translucent line */ 1152 /* skip translucent line */
1153 ofs = 0; 1153 ofs = 0;
1154 do { 1154 do {
1155 int run; 1155 int run;
1209 } else if(!ofs) \ 1209 } else if(!ofs) \
1210 goto done; \ 1210 goto done; \
1211 } while(ofs < w); \ 1211 } while(ofs < w); \
1212 /* skip padding if necessary */ \ 1212 /* skip padding if necessary */ \
1213 if(sizeof(Ptype) == 2) \ 1213 if(sizeof(Ptype) == 2) \
1214 srcbuf += (unsigned long)srcbuf & 2; \ 1214 srcbuf += (uintptr_t)srcbuf & 2; \
1215 /* blit translucent pixels on the same line */ \ 1215 /* blit translucent pixels on the same line */ \
1216 ofs = 0; \ 1216 ofs = 0; \
1217 do { \ 1217 do { \
1218 unsigned run; \ 1218 unsigned run; \
1219 ofs += ((Uint16 *)srcbuf)[0]; \ 1219 ofs += ((Uint16 *)srcbuf)[0]; \
1545 run -= len; 1545 run -= len;
1546 } 1546 }
1547 } while(x < w); 1547 } while(x < w);
1548 1548
1549 /* Make sure the next output address is 32-bit aligned */ 1549 /* Make sure the next output address is 32-bit aligned */
1550 dst += (unsigned long)dst & 2; 1550 dst += (uintptr_t)dst & 2;
1551 1551
1552 /* Next, encode all translucent pixels of the same scan line */ 1552 /* Next, encode all translucent pixels of the same scan line */
1553 x = 0; 1553 x = 0;
1554 do { 1554 do {
1555 int run, skip, len; 1555 int run, skip, len;
1872 return(SDL_TRUE); 1872 return(SDL_TRUE);
1873 } while(ofs < w); 1873 } while(ofs < w);
1874 1874
1875 /* skip padding if needed */ 1875 /* skip padding if needed */
1876 if(bpp == 2) 1876 if(bpp == 2)
1877 srcbuf += (unsigned long)srcbuf & 2; 1877 srcbuf += (uintptr_t)srcbuf & 2;
1878 1878
1879 /* copy translucent pixels */ 1879 /* copy translucent pixels */
1880 ofs = 0; 1880 ofs = 0;
1881 do { 1881 do {
1882 unsigned run; 1882 unsigned run;