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rgb24->bgr24

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Originally committed as revision 5583 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Michael Niedermayer 2002-04-13 00:48:21 +00:00
parent 096172d435
commit 74d3583521
3 changed files with 88 additions and 0 deletions
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20
postproc/rgb2rgb.c
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@ -24,6 +24,9 @@ static const uint64_t mask32b __attribute__((aligned(8))) = 0x000000FF000000FFU
static const uint64_t mask32g __attribute__((aligned(8))) = 0x0000FF000000FF00ULL;
static const uint64_t mask32r __attribute__((aligned(8))) = 0x00FF000000FF0000ULL;
static const uint64_t mask32 __attribute__((aligned(8))) = 0x00FFFFFF00FFFFFFULL;
static const uint64_t mask24b __attribute__((aligned(8))) = 0x00FF0000FF0000FFULL;
static const uint64_t mask24g __attribute__((aligned(8))) = 0xFF0000FF0000FF00ULL;
static const uint64_t mask24r __attribute__((aligned(8))) = 0x0000FF0000FF0000ULL;
static const uint64_t mask24l __attribute__((aligned(8))) = 0x0000000000FFFFFFULL;
static const uint64_t mask24h __attribute__((aligned(8))) = 0x0000FFFFFF000000ULL;
static const uint64_t mask24hh __attribute__((aligned(8))) = 0xffff000000000000ULL;
@ -316,6 +319,23 @@ void rgb32tobgr32(const uint8_t *src, uint8_t *dst, unsigned int src_size)
#endif
}
void rgb24tobgr24(const uint8_t *src, uint8_t *dst, unsigned int src_size)
{
#ifdef CAN_COMPILE_X86_ASM
// ordered per speed fasterst first
if(gCpuCaps.hasMMX2)
rgb24tobgr24_MMX2(src, dst, src_size);
else if(gCpuCaps.has3DNow)
rgb24tobgr24_3DNow(src, dst, src_size);
else if(gCpuCaps.hasMMX)
rgb24tobgr24_MMX(src, dst, src_size);
else
rgb24tobgr24_C(src, dst, src_size);
#else
rgb24tobgr24_C(src, dst, src_size);
#endif
}
/**
*
* height should be a multiple of 2 and width should be a multiple of 16 (if this is a

1
postproc/rgb2rgb.h
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@ -17,6 +17,7 @@ extern void rgb32to15(const uint8_t *src,uint8_t *dst,unsigned src_size);
extern void rgb24to16(const uint8_t *src,uint8_t *dst,unsigned src_size);
extern void rgb24to15(const uint8_t *src,uint8_t *dst,unsigned src_size);
extern void rgb32tobgr32(const uint8_t *src, uint8_t *dst, unsigned src_size);
extern void rgb24tobgr24(const uint8_t *src, uint8_t *dst, unsigned src_size);
extern void palette8torgb32(const uint8_t *src, uint8_t *dst, unsigned num_pixels, const uint8_t *palette);

67
postproc/rgb2rgb_template.c
View File

@ -571,6 +571,73 @@ static inline void RENAME(rgb32tobgr32)(const uint8_t *src, uint8_t *dst, unsign
#endif
}
static inline void RENAME(rgb24tobgr24)(const uint8_t *src, uint8_t *dst, unsigned int src_size)
{
int i;
#ifdef HAVE_MMX
int mmx_size= 23 - src_size;
asm volatile (
"movq "MANGLE(mask24r)", %%mm5 \n\t"
"movq "MANGLE(mask24g)", %%mm6 \n\t"
"movq "MANGLE(mask24b)", %%mm7 \n\t"
".balign 16 \n\t"
"1: \n\t"
PREFETCH" 32(%1, %%eax) \n\t"
"movq (%1, %%eax), %%mm0 \n\t" // BGR BGR BG
"movq (%1, %%eax), %%mm1 \n\t" // BGR BGR BG
"movq 2(%1, %%eax), %%mm2 \n\t" // R BGR BGR B
"psllq $16, %%mm0 \n\t" // 00 BGR BGR
"pand %%mm5, %%mm0 \n\t"
"pand %%mm6, %%mm1 \n\t"
"pand %%mm7, %%mm2 \n\t"
"por %%mm0, %%mm1 \n\t"
"por %%mm2, %%mm1 \n\t"
"movq 6(%1, %%eax), %%mm0 \n\t" // BGR BGR BG
MOVNTQ" %%mm1, (%2, %%eax) \n\t" // RGB RGB RG
"movq 8(%1, %%eax), %%mm1 \n\t" // R BGR BGR B
"movq 10(%1, %%eax), %%mm2 \n\t" // GR BGR BGR
"pand %%mm7, %%mm0 \n\t"
"pand %%mm5, %%mm1 \n\t"
"pand %%mm6, %%mm2 \n\t"
"por %%mm0, %%mm1 \n\t"
"por %%mm2, %%mm1 \n\t"
"movq 14(%1, %%eax), %%mm0 \n\t" // R BGR BGR B
MOVNTQ" %%mm1, 8(%2, %%eax) \n\t" // B RGB RGB R
"movq 16(%1, %%eax), %%mm1 \n\t" // GR BGR BGR
"movq 18(%1, %%eax), %%mm2 \n\t" // BGR BGR BG
"pand %%mm6, %%mm0 \n\t"
"pand %%mm7, %%mm1 \n\t"
"pand %%mm5, %%mm2 \n\t"
"por %%mm0, %%mm1 \n\t"
"por %%mm2, %%mm1 \n\t"
MOVNTQ" %%mm1, 16(%2, %%eax) \n\t"
"addl $24, %%eax \n\t"
" js 1b \n\t"
: "+a" (mmx_size)
: "r" (src-mmx_size), "r"(dst-mmx_size)
);
__asm __volatile(SFENCE:::"memory");
__asm __volatile(EMMS:::"memory");
if(!mmx_size) return; //finihsed, was multiple of 8
src+= src_size;
dst+= src_size;
src_size= 24-mmx_size;
src-= src_size;
dst-= src_size;
#endif
for(i=0; i<src_size; i+=3)
{
register int x;
x = src[i + 2];
dst[i + 1] = src[i + 1];
dst[i + 2] = src[i + 0];
dst[i + 0] = x;
}
}
/**
*
* height should be a multiple of 2 and width should be a multiple of 16 (if this is a