mmx optimized 24to32

Originally committed as revision 2511 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
pull/126/head
Nick Kurshev 23 years ago
parent 607d7d0373
commit 49a0c6eec8
  1. 30
      postproc/rgb2rgb.c
  2. 30
      postproc/rgb2rgb_template.c

@ -3,14 +3,39 @@
#include "rgb2rgb.h"
#include "mmx.h"
/* TODO: MMX optimization */
void rgb24to32(uint8_t *src,uint8_t *dst,uint32_t src_size)
{
uint8_t *dest = dst;
uint8_t *s = src;
uint8_t *end;
#ifdef HAVE_MMX
const uint64_t mask32 = 0x00FFFFFF00FFFFFFULL;
uint8_t *mm_end;
#endif
end = s + src_size;
#ifdef HAVE_MMX
mm_end = (uint8_t*)((((unsigned long)end)/16)*16);
__asm __volatile("movq %0, %%mm7"::"m"(mask32):"memory");
while(s < mm_end)
{
__asm __volatile(
"movd %1, %%mm0\n\t"
"movd 3%1, %%mm1\n\t"
"movd 6%1, %%mm2\n\t"
"movd 9%1, %%mm3\n\t"
"punpckldq %%mm1, %%mm0\n\t"
"punpckldq %%mm3, %%mm2\n\t"
"pand %%mm7, %%mm0\n\t"
"pand %%mm7, %%mm2\n\t"
"movq %%mm0, %0\n\t"
"movq %%mm2, 8%0"
:"=m"(*dest)
:"m"(*s)
:"memory");
dest += 16;
s += 12;
}
#endif
while(s < end)
{
*dest++ = *s++;
@ -20,6 +45,7 @@ void rgb24to32(uint8_t *src,uint8_t *dst,uint32_t src_size)
}
}
/* TODO: MMX optimization */
void rgb32to24(uint8_t *src,uint8_t *dst,uint32_t src_size)
{
uint8_t *dest = dst;

@ -3,14 +3,39 @@
#include "rgb2rgb.h"
#include "mmx.h"
/* TODO: MMX optimization */
void rgb24to32(uint8_t *src,uint8_t *dst,uint32_t src_size)
{
uint8_t *dest = dst;
uint8_t *s = src;
uint8_t *end;
#ifdef HAVE_MMX
const uint64_t mask32 = 0x00FFFFFF00FFFFFFULL;
uint8_t *mm_end;
#endif
end = s + src_size;
#ifdef HAVE_MMX
mm_end = (uint8_t*)((((unsigned long)end)/16)*16);
__asm __volatile("movq %0, %%mm7"::"m"(mask32):"memory");
while(s < mm_end)
{
__asm __volatile(
"movd %1, %%mm0\n\t"
"movd 3%1, %%mm1\n\t"
"movd 6%1, %%mm2\n\t"
"movd 9%1, %%mm3\n\t"
"punpckldq %%mm1, %%mm0\n\t"
"punpckldq %%mm3, %%mm2\n\t"
"pand %%mm7, %%mm0\n\t"
"pand %%mm7, %%mm2\n\t"
"movq %%mm0, %0\n\t"
"movq %%mm2, 8%0"
:"=m"(*dest)
:"m"(*s)
:"memory");
dest += 16;
s += 12;
}
#endif
while(s < end)
{
*dest++ = *s++;
@ -20,6 +45,7 @@ void rgb24to32(uint8_t *src,uint8_t *dst,uint32_t src_size)
}
}
/* TODO: MMX optimization */
void rgb32to24(uint8_t *src,uint8_t *dst,uint32_t src_size)
{
uint8_t *dest = dst;

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