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comparison src/video/SDL_blit_N.c @ 739:22dbf364c017

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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
author Sam Lantinga <slouken@libsdl.org>
date Tue, 18 Nov 2003 01:27:06 +0000
parents 41cadcba32e8
children b8d311d90021
comparison
equal deleted inserted replaced
738:82b85b731fe3 739:22dbf364c017
29 29
30 #include "SDL_types.h" 30 #include "SDL_types.h"
31 #include "SDL_video.h" 31 #include "SDL_video.h"
32 #include "SDL_blit.h" 32 #include "SDL_blit.h"
33 #include "SDL_byteorder.h" 33 #include "SDL_byteorder.h"
34 34 #include "SDL_cpuinfo.h"
35 /* Function to check the CPU flags */
36 #define MMX_CPU 0x800000
37 #ifdef USE_ASMBLIT
38 #define CPU_Flags() Hermes_X86_CPU()
39 #else
40 #define CPU_Flags() 0L
41 #endif
42 35
43 /* Functions to blit from N-bit surfaces to other surfaces */ 36 /* Functions to blit from N-bit surfaces to other surfaces */
44 37
45 #ifdef USE_ASMBLIT 38 #ifdef USE_ASMBLIT
46 39
1427 /* Normal N to N optimized blitters */ 1420 /* Normal N to N optimized blitters */
1428 struct blit_table { 1421 struct blit_table {
1429 Uint32 srcR, srcG, srcB; 1422 Uint32 srcR, srcG, srcB;
1430 int dstbpp; 1423 int dstbpp;
1431 Uint32 dstR, dstG, dstB; 1424 Uint32 dstR, dstG, dstB;
1432 Uint32 cpu_flags; 1425 SDL_bool cpu_mmx;
1433 void *aux_data; 1426 void *aux_data;
1434 SDL_loblit blitfunc; 1427 SDL_loblit blitfunc;
1435 enum { NO_ALPHA, SET_ALPHA, COPY_ALPHA } alpha; 1428 enum { NO_ALPHA, SET_ALPHA, COPY_ALPHA } alpha;
1436 }; 1429 };
1437 static const struct blit_table normal_blit_1[] = { 1430 static const struct blit_table normal_blit_1[] = {
1464 { 0,0,0, 0, 0,0,0, 0, NULL, BlitNtoN, 0 } 1457 { 0,0,0, 0, 0,0,0, 0, NULL, BlitNtoN, 0 }
1465 }; 1458 };
1466 static const struct blit_table normal_blit_4[] = { 1459 static const struct blit_table normal_blit_4[] = {
1467 #ifdef USE_ASMBLIT 1460 #ifdef USE_ASMBLIT
1468 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000F800,0x000007E0,0x0000001F, 1461 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000F800,0x000007E0,0x0000001F,
1469 MMX_CPU, ConvertMMXpII32_16RGB565, ConvertMMX, NO_ALPHA }, 1462 1, ConvertMMXpII32_16RGB565, ConvertMMX, NO_ALPHA },
1470 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000F800,0x000007E0,0x0000001F, 1463 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000F800,0x000007E0,0x0000001F,
1471 0, ConvertX86p32_16RGB565, ConvertX86, NO_ALPHA }, 1464 0, ConvertX86p32_16RGB565, ConvertX86, NO_ALPHA },
1472 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000007E0,0x0000F800, 1465 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000007E0,0x0000F800,
1473 MMX_CPU, ConvertMMXpII32_16BGR565, ConvertMMX, NO_ALPHA }, 1466 1, ConvertMMXpII32_16BGR565, ConvertMMX, NO_ALPHA },
1474 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000007E0,0x0000F800, 1467 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000007E0,0x0000F800,
1475 0, ConvertX86p32_16BGR565, ConvertX86, NO_ALPHA }, 1468 0, ConvertX86p32_16BGR565, ConvertX86, NO_ALPHA },
1476 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x00007C00,0x000003E0,0x0000001F, 1469 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x00007C00,0x000003E0,0x0000001F,
1477 MMX_CPU, ConvertMMXpII32_16RGB555, ConvertMMX, NO_ALPHA }, 1470 1, ConvertMMXpII32_16RGB555, ConvertMMX, NO_ALPHA },
1478 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x00007C00,0x000003E0,0x0000001F, 1471 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x00007C00,0x000003E0,0x0000001F,
1479 0, ConvertX86p32_16RGB555, ConvertX86, NO_ALPHA }, 1472 0, ConvertX86p32_16RGB555, ConvertX86, NO_ALPHA },
1480 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000003E0,0x00007C00, 1473 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000003E0,0x00007C00,
1481 MMX_CPU, ConvertMMXpII32_16BGR555, ConvertMMX, NO_ALPHA }, 1474 1, ConvertMMXpII32_16BGR555, ConvertMMX, NO_ALPHA },
1482 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000003E0,0x00007C00, 1475 { 0x00FF0000,0x0000FF00,0x000000FF, 2, 0x0000001F,0x000003E0,0x00007C00,
1483 0, ConvertX86p32_16BGR555, ConvertX86, NO_ALPHA }, 1476 0, ConvertX86p32_16BGR555, ConvertX86, NO_ALPHA },
1484 { 0x00FF0000,0x0000FF00,0x000000FF, 3, 0x00FF0000,0x0000FF00,0x000000FF, 1477 { 0x00FF0000,0x0000FF00,0x000000FF, 3, 0x00FF0000,0x0000FF00,0x000000FF,
1485 0, ConvertX86p32_24RGB888, ConvertX86, NO_ALPHA }, 1478 0, ConvertX86p32_24RGB888, ConvertX86, NO_ALPHA },
1486 { 0x00FF0000,0x0000FF00,0x000000FF, 3, 0x000000FF,0x0000FF00,0x00FF0000, 1479 { 0x00FF0000,0x0000FF00,0x000000FF, 3, 0x000000FF,0x0000FF00,0x00FF0000,
1579 dstfmt->BytesPerPixel == table[which].dstbpp && 1572 dstfmt->BytesPerPixel == table[which].dstbpp &&
1580 dstfmt->Rmask == table[which].dstR && 1573 dstfmt->Rmask == table[which].dstR &&
1581 dstfmt->Gmask == table[which].dstG && 1574 dstfmt->Gmask == table[which].dstG &&
1582 dstfmt->Bmask == table[which].dstB && 1575 dstfmt->Bmask == table[which].dstB &&
1583 (a_need & table[which].alpha) == a_need && 1576 (a_need & table[which].alpha) == a_need &&
1584 (CPU_Flags()&table[which].cpu_flags) == 1577 (table[which].cpu_mmx == SDL_HasMMX()))
1585 table[which].cpu_flags )
1586 break; 1578 break;
1587 } 1579 }
1588 sdata->aux_data = table[which].aux_data; 1580 sdata->aux_data = table[which].aux_data;
1589 blitfun = table[which].blitfunc; 1581 blitfun = table[which].blitfunc;
1590 if(a_need == COPY_ALPHA && blitfun == BlitNtoN) 1582 if(a_need == COPY_ALPHA && blitfun == BlitNtoN)