CVS: main/postproc swscale.c,1.77,1.78 swscale_template.c,1.69,1.70
Update of /cvsroot/mplayer/main/postproc In directory mplayer:/var/tmp.root/cvs-serv17461 Modified Files: swscale.c swscale_template.c Log Message: bgr24toY in MMX Index: swscale.c =================================================================== RCS file: /cvsroot/mplayer/main/postproc/swscale.c,v retrieving revision 1.77 retrieving revision 1.78 diff -u -r1.77 -r1.78 --- swscale.c 8 Feb 2002 15:54:56 -0000 1.77 +++ swscale.c 9 Feb 2002 17:03:53 -0000 1.78 @@ -68,6 +68,8 @@ //#undef ARCH_X86 #define DITHER1XBPP +#define FAST_BGR2YV12 // use 7 bit coeffs instead of 15bit + #define RET 0xC3 //near return opcode for X86 #ifdef MP_DEBUG @@ -177,6 +179,14 @@ static uint64_t __attribute__((aligned(8))) M24A= 0x00FF0000FF0000FFLL; static uint64_t __attribute__((aligned(8))) M24B= 0xFF0000FF0000FF00LL; static uint64_t __attribute__((aligned(8))) M24C= 0x0000FF0000FF0000LL; + +#ifdef FAST_BGR2YV12 +static const uint64_t bgr2YCoeff __attribute__((aligned(8))) = 0x000000210041000DULL; +#else +static const uint64_t bgr2YCoeff __attribute__((aligned(8))) = 0x000020E540830C8BULL; +#endif +static const uint64_t bgr2YOffset __attribute__((aligned(8))) = 0x1010101010101010ULL; +static const uint64_t w1111 __attribute__((aligned(8))) = 0x0001000100010001ULL; // FIXME remove static uint64_t __attribute__((aligned(8))) asm_yalpha1; Index: swscale_template.c =================================================================== RCS file: /cvsroot/mplayer/main/postproc/swscale_template.c,v retrieving revision 1.69 retrieving revision 1.70 diff -u -r1.69 -r1.70 --- swscale_template.c 8 Feb 2002 03:09:46 -0000 1.69 +++ swscale_template.c 9 Feb 2002 17:03:53 -0000 1.70 @@ -1635,7 +1635,76 @@ static inline void RENAME(bgr24ToY)(uint8_t *dst, uint8_t *src, int width) { -#ifdef HAVE_MMXFIXME +#ifdef HAVE_MMX + asm volatile( + "movl %2, %%eax \n\t" + "movq bgr2YCoeff, %%mm6 \n\t" + "movq w1111, %%mm5 \n\t" + "pxor %%mm7, %%mm7 \n\t" + "leal (%%eax, %%eax, 2), %%ebx \n\t" + ".balign 16 \n\t" + "1: \n\t" + PREFETCH" 64(%0, %%ebx) \n\t" + "movd (%0, %%ebx), %%mm0 \n\t" + "movd 3(%0, %%ebx), %%mm1 \n\t" + "punpcklbw %%mm7, %%mm0 \n\t" + "punpcklbw %%mm7, %%mm1 \n\t" + "movd 6(%0, %%ebx), %%mm2 \n\t" + "movd 9(%0, %%ebx), %%mm3 \n\t" + "punpcklbw %%mm7, %%mm2 \n\t" + "punpcklbw %%mm7, %%mm3 \n\t" + "pmaddwd %%mm6, %%mm0 \n\t" + "pmaddwd %%mm6, %%mm1 \n\t" + "pmaddwd %%mm6, %%mm2 \n\t" + "pmaddwd %%mm6, %%mm3 \n\t" +#ifndef FAST_BGR2YV12 + "psrad $8, %%mm0 \n\t" + "psrad $8, %%mm1 \n\t" + "psrad $8, %%mm2 \n\t" + "psrad $8, %%mm3 \n\t" +#endif + "packssdw %%mm1, %%mm0 \n\t" + "packssdw %%mm3, %%mm2 \n\t" + "pmaddwd %%mm5, %%mm0 \n\t" + "pmaddwd %%mm5, %%mm2 \n\t" + "packssdw %%mm2, %%mm0 \n\t" + "psraw $7, %%mm0 \n\t" + + "movd 12(%0, %%ebx), %%mm4 \n\t" + "movd 15(%0, %%ebx), %%mm1 \n\t" + "punpcklbw %%mm7, %%mm4 \n\t" + "punpcklbw %%mm7, %%mm1 \n\t" + "movd 18(%0, %%ebx), %%mm2 \n\t" + "movd 21(%0, %%ebx), %%mm3 \n\t" + "punpcklbw %%mm7, %%mm2 \n\t" + "punpcklbw %%mm7, %%mm3 \n\t" + "pmaddwd %%mm6, %%mm4 \n\t" + "pmaddwd %%mm6, %%mm1 \n\t" + "pmaddwd %%mm6, %%mm2 \n\t" + "pmaddwd %%mm6, %%mm3 \n\t" +#ifndef FAST_BGR2YV12 + "psrad $8, %%mm4 \n\t" + "psrad $8, %%mm1 \n\t" + "psrad $8, %%mm2 \n\t" + "psrad $8, %%mm3 \n\t" +#endif + "packssdw %%mm1, %%mm4 \n\t" + "packssdw %%mm3, %%mm2 \n\t" + "pmaddwd %%mm5, %%mm4 \n\t" + "pmaddwd %%mm5, %%mm2 \n\t" + "addl $24, %%ebx \n\t" + "packssdw %%mm2, %%mm4 \n\t" + "psraw $7, %%mm4 \n\t" + + "packuswb %%mm4, %%mm0 \n\t" + "paddusb bgr2YOffset, %%mm0 \n\t" + + MOVNTQ(%%mm0, (%1, %%eax)) + "addl $8, %%eax \n\t" + " js 1b \n\t" + : : "r" (src+width*3), "r" (dst+width), "g" (-width) + : "%eax", "%ebx" + ); #else int i; for(i=0; i<width; i++)
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Michael Niedermayer