📄 rgb2rgb_template.c
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"pand %%mm6, %%mm3 \n\t"
"pmaddwd %%mm7, %%mm0 \n\t"
"pmaddwd %%mm7, %%mm3 \n\t"
"pand %%mm5, %%mm1 \n\t"
"pand %%mm5, %%mm4 \n\t"
"por %%mm1, %%mm0 \n\t"
"por %%mm4, %%mm3 \n\t"
"psrld $5, %%mm0 \n\t"
"pslld $11, %%mm3 \n\t"
"por %%mm3, %%mm0 \n\t"
MOVNTQ" %%mm0, (%0) \n\t"
"add $16, %1 \n\t"
"add $8, %0 \n\t"
"2: \n\t"
"cmp %2, %1 \n\t"
" jb 1b \n\t"
: "+r" (d), "+r"(s)
: "r" (mm_end), "m" (mask3216g), "m" (mask3216br), "m" (mul3216)
);
#else
__asm __volatile(PREFETCH" %0"::"m"(*src):"memory");
__asm __volatile(
"movq %0, %%mm7 \n\t"
"movq %1, %%mm6 \n\t"
::"m"(red_16mask),"m"(green_16mask));
while (s < mm_end)
{
__asm __volatile(
PREFETCH" 32%1 \n\t"
"movd %1, %%mm0 \n\t"
"movd 4%1, %%mm3 \n\t"
"punpckldq 8%1, %%mm0 \n\t"
"punpckldq 12%1, %%mm3 \n\t"
"movq %%mm0, %%mm1 \n\t"
"movq %%mm0, %%mm2 \n\t"
"movq %%mm3, %%mm4 \n\t"
"movq %%mm3, %%mm5 \n\t"
"psrlq $3, %%mm0 \n\t"
"psrlq $3, %%mm3 \n\t"
"pand %2, %%mm0 \n\t"
"pand %2, %%mm3 \n\t"
"psrlq $5, %%mm1 \n\t"
"psrlq $5, %%mm4 \n\t"
"pand %%mm6, %%mm1 \n\t"
"pand %%mm6, %%mm4 \n\t"
"psrlq $8, %%mm2 \n\t"
"psrlq $8, %%mm5 \n\t"
"pand %%mm7, %%mm2 \n\t"
"pand %%mm7, %%mm5 \n\t"
"por %%mm1, %%mm0 \n\t"
"por %%mm4, %%mm3 \n\t"
"por %%mm2, %%mm0 \n\t"
"por %%mm5, %%mm3 \n\t"
"psllq $16, %%mm3 \n\t"
"por %%mm3, %%mm0 \n\t"
MOVNTQ" %%mm0, %0 \n\t"
:"=m"(*d):"m"(*s),"m"(blue_16mask):"memory");
d += 4;
s += 16;
}
#endif
__asm __volatile(SFENCE:::"memory");
__asm __volatile(EMMS:::"memory");
#endif
while (s < end)
{
register int rgb = *(uint32_t*)s; s += 4;
*d++ = ((rgb&0xFF)>>3) + ((rgb&0xFC00)>>5) + ((rgb&0xF80000)>>8);
}
}
static inline void RENAME(rgb32tobgr16)(const uint8_t *src, uint8_t *dst, long src_size)
{
const uint8_t *s = src;
const uint8_t *end;
#ifdef HAVE_MMX
const uint8_t *mm_end;
#endif
uint16_t *d = (uint16_t *)dst;
end = s + src_size;
#ifdef HAVE_MMX
__asm __volatile(PREFETCH" %0"::"m"(*src):"memory");
__asm __volatile(
"movq %0, %%mm7 \n\t"
"movq %1, %%mm6 \n\t"
::"m"(red_16mask),"m"(green_16mask));
mm_end = end - 15;
while (s < mm_end)
{
__asm __volatile(
PREFETCH" 32%1 \n\t"
"movd %1, %%mm0 \n\t"
"movd 4%1, %%mm3 \n\t"
"punpckldq 8%1, %%mm0 \n\t"
"punpckldq 12%1, %%mm3 \n\t"
"movq %%mm0, %%mm1 \n\t"
"movq %%mm0, %%mm2 \n\t"
"movq %%mm3, %%mm4 \n\t"
"movq %%mm3, %%mm5 \n\t"
"psllq $8, %%mm0 \n\t"
"psllq $8, %%mm3 \n\t"
"pand %%mm7, %%mm0 \n\t"
"pand %%mm7, %%mm3 \n\t"
"psrlq $5, %%mm1 \n\t"
"psrlq $5, %%mm4 \n\t"
"pand %%mm6, %%mm1 \n\t"
"pand %%mm6, %%mm4 \n\t"
"psrlq $19, %%mm2 \n\t"
"psrlq $19, %%mm5 \n\t"
"pand %2, %%mm2 \n\t"
"pand %2, %%mm5 \n\t"
"por %%mm1, %%mm0 \n\t"
"por %%mm4, %%mm3 \n\t"
"por %%mm2, %%mm0 \n\t"
"por %%mm5, %%mm3 \n\t"
"psllq $16, %%mm3 \n\t"
"por %%mm3, %%mm0 \n\t"
MOVNTQ" %%mm0, %0 \n\t"
:"=m"(*d):"m"(*s),"m"(blue_16mask):"memory");
d += 4;
s += 16;
}
__asm __volatile(SFENCE:::"memory");
__asm __volatile(EMMS:::"memory");
#endif
while (s < end)
{
register int rgb = *(uint32_t*)s; s += 4;
*d++ = ((rgb&0xF8)<<8) + ((rgb&0xFC00)>>5) + ((rgb&0xF80000)>>19);
}
}
static inline void RENAME(rgb32to15)(const uint8_t *src, uint8_t *dst, long src_size)
{
const uint8_t *s = src;
const uint8_t *end;
#ifdef HAVE_MMX
const uint8_t *mm_end;
#endif
uint16_t *d = (uint16_t *)dst;
end = s + src_size;
#ifdef HAVE_MMX
mm_end = end - 15;
#if 1 //is faster only if multiplies are reasonable fast (FIXME figure out on which CPUs this is faster, on Athlon it is slightly faster)
asm volatile(
"movq %3, %%mm5 \n\t"
"movq %4, %%mm6 \n\t"
"movq %5, %%mm7 \n\t"
"jmp 2f \n\t"
ASMALIGN(4)
"1: \n\t"
PREFETCH" 32(%1) \n\t"
"movd (%1), %%mm0 \n\t"
"movd 4(%1), %%mm3 \n\t"
"punpckldq 8(%1), %%mm0 \n\t"
"punpckldq 12(%1), %%mm3 \n\t"
"movq %%mm0, %%mm1 \n\t"
"movq %%mm3, %%mm4 \n\t"
"pand %%mm6, %%mm0 \n\t"
"pand %%mm6, %%mm3 \n\t"
"pmaddwd %%mm7, %%mm0 \n\t"
"pmaddwd %%mm7, %%mm3 \n\t"
"pand %%mm5, %%mm1 \n\t"
"pand %%mm5, %%mm4 \n\t"
"por %%mm1, %%mm0 \n\t"
"por %%mm4, %%mm3 \n\t"
"psrld $6, %%mm0 \n\t"
"pslld $10, %%mm3 \n\t"
"por %%mm3, %%mm0 \n\t"
MOVNTQ" %%mm0, (%0) \n\t"
"add $16, %1 \n\t"
"add $8, %0 \n\t"
"2: \n\t"
"cmp %2, %1 \n\t"
" jb 1b \n\t"
: "+r" (d), "+r"(s)
: "r" (mm_end), "m" (mask3215g), "m" (mask3216br), "m" (mul3215)
);
#else
__asm __volatile(PREFETCH" %0"::"m"(*src):"memory");
__asm __volatile(
"movq %0, %%mm7 \n\t"
"movq %1, %%mm6 \n\t"
::"m"(red_15mask),"m"(green_15mask));
while (s < mm_end)
{
__asm __volatile(
PREFETCH" 32%1 \n\t"
"movd %1, %%mm0 \n\t"
"movd 4%1, %%mm3 \n\t"
"punpckldq 8%1, %%mm0 \n\t"
"punpckldq 12%1, %%mm3 \n\t"
"movq %%mm0, %%mm1 \n\t"
"movq %%mm0, %%mm2 \n\t"
"movq %%mm3, %%mm4 \n\t"
"movq %%mm3, %%mm5 \n\t"
"psrlq $3, %%mm0 \n\t"
"psrlq $3, %%mm3 \n\t"
"pand %2, %%mm0 \n\t"
"pand %2, %%mm3 \n\t"
"psrlq $6, %%mm1 \n\t"
"psrlq $6, %%mm4 \n\t"
"pand %%mm6, %%mm1 \n\t"
"pand %%mm6, %%mm4 \n\t"
"psrlq $9, %%mm2 \n\t"
"psrlq $9, %%mm5 \n\t"
"pand %%mm7, %%mm2 \n\t"
"pand %%mm7, %%mm5 \n\t"
"por %%mm1, %%mm0 \n\t"
"por %%mm4, %%mm3 \n\t"
"por %%mm2, %%mm0 \n\t"
"por %%mm5, %%mm3 \n\t"
"psllq $16, %%mm3 \n\t"
"por %%mm3, %%mm0 \n\t"
MOVNTQ" %%mm0, %0 \n\t"
:"=m"(*d):"m"(*s),"m"(blue_15mask):"memory");
d += 4;
s += 16;
}
#endif
__asm __volatile(SFENCE:::"memory");
__asm __volatile(EMMS:::"memory");
#endif
while (s < end)
{
register int rgb = *(uint32_t*)s; s += 4;
*d++ = ((rgb&0xFF)>>3) + ((rgb&0xF800)>>6) + ((rgb&0xF80000)>>9);
}
}
static inline void RENAME(rgb32tobgr15)(const uint8_t *src, uint8_t *dst, long src_size)
{
const uint8_t *s = src;
const uint8_t *end;
#ifdef HAVE_MMX
const uint8_t *mm_end;
#endif
uint16_t *d = (uint16_t *)dst;
end = s + src_size;
#ifdef HAVE_MMX
__asm __volatile(PREFETCH" %0"::"m"(*src):"memory");
__asm __volatile(
"movq %0, %%mm7 \n\t"
"movq %1, %%mm6 \n\t"
::"m"(red_15mask),"m"(green_15mask));
mm_end = end - 15;
while (s < mm_end)
{
__asm __volatile(
PREFETCH" 32%1 \n\t"
"movd %1, %%mm0 \n\t"
"movd 4%1, %%mm3 \n\t"
"punpckldq 8%1, %%mm0 \n\t"
"punpckldq 12%1, %%mm3 \n\t"
"movq %%mm0, %%mm1 \n\t"
"movq %%mm0, %%mm2 \n\t"
"movq %%mm3, %%mm4 \n\t"
"movq %%mm3, %%mm5 \n\t"
"psllq $7, %%mm0 \n\t"
"psllq $7, %%mm3 \n\t"
"pand %%mm7, %%mm0 \n\t"
"pand %%mm7, %%mm3 \n\t"
"psrlq $6, %%mm1 \n\t"
"psrlq $6, %%mm4 \n\t"
"pand %%mm6, %%mm1 \n\t"
"pand %%mm6, %%mm4 \n\t"
"psrlq $19, %%mm2 \n\t"
"psrlq $19, %%mm5 \n\t"
"pand %2, %%mm2 \n\t"
"pand %2, %%mm5 \n\t"
"por %%mm1, %%mm0 \n\t"
"por %%mm4, %%mm3 \n\t"
"por %%mm2, %%mm0 \n\t"
"por %%mm5, %%mm3 \n\t"
"psllq $16, %%mm3 \n\t"
"por %%mm3, %%mm0 \n\t"
MOVNTQ" %%mm0, %0 \n\t"
:"=m"(*d):"m"(*s),"m"(blue_15mask):"memory");
d += 4;
s += 16;
}
__asm __volatile(SFENCE:::"memory");
__asm __volatile(EMMS:::"memory");
#endif
while (s < end)
{
register int rgb = *(uint32_t*)s; s += 4;
*d++ = ((rgb&0xF8)<<7) + ((rgb&0xF800)>>6) + ((rgb&0xF80000)>>19);
}
}
static inline void RENAME(rgb24to16)(const uint8_t *src, uint8_t *dst, long src_size)
{
const uint8_t *s = src;
const uint8_t *end;
#ifdef HAVE_MMX
const uint8_t *mm_end;
#endif
uint16_t *d = (uint16_t *)dst;
end = s + src_size;
#ifdef HAVE_MMX
__asm __volatile(PREFETCH" %0"::"m"(*src):"memory");
__asm __volatile(
"movq %0, %%mm7 \n\t"
"movq %1, %%mm6 \n\t"
::"m"(red_16mask),"m"(green_16mask));
mm_end = end - 11;
while (s < mm_end)
{
__asm __volatile(
PREFETCH" 32%1 \n\t"
"movd %1, %%mm0 \n\t"
"movd 3%1, %%mm3 \n\t"
"punpckldq 6%1, %%mm0 \n\t"
"punpckldq 9%1, %%mm3 \n\t"
"movq %%mm0, %%mm1 \n\t"
"movq %%mm0, %%mm2 \n\t"
"movq %%mm3, %%mm4 \n\t"
"movq %%mm3, %%mm5 \n\t"
"psrlq $3, %%mm0 \n\t"
"psrlq $3, %%mm3 \n\t"
"pand %2, %%mm0 \n\t"
"pand %2, %%mm3 \n\t"
"psrlq $5, %%mm1 \n\t"
"psrlq $5, %%mm4 \n\t"
"pand %%mm6, %%mm1 \n\t"
"pand %%mm6, %%mm4 \n\t"
"psrlq $8, %%mm2 \n\t"
"psrlq $8, %%mm5 \n\t"
"pand %%mm7, %%mm2 \n\t"
"pand %%mm7, %%mm5 \n\t"
"por %%mm1, %%mm0 \n\t"
"por %%mm4, %%mm3 \n\t"
"por %%mm2, %%mm0 \n\t"
"por %%mm5, %%mm3 \n\t"
"psllq $16, %%mm3 \n\t"
"por %%mm3, %%mm0 \n\t"
MOVNTQ" %%mm0, %0 \n\t"
:"=m"(*d):"m"(*s),"m"(blue_16mask):"memory");
d += 4;
s += 12;
}
__asm __volatile(SFENCE:::"memory");
__asm __volatile(EMMS:::"memory");
#endif
while (s < end)
{
const int b = *s++;
const int g = *s++;
const int r = *s++;
*d++ = (b>>3) | ((g&0xFC)<<3) | ((r&0xF8)<<8);
}
}
static inline void RENAME(rgb24tobgr16)(const uint8_t *src, uint8_t *dst, long src_size)
{
const uint8_t *s = src;
const uint8_t *end;
#ifdef HAVE_MMX
const uint8_t *mm_end;
#endif
uint16_t *d = (uint16_t *)dst;
end = s + src_size;
#ifdef HAVE_MMX
__asm __volatile(PREFETCH" %0"::"m"(*src):"memory");
__asm __volatile(
"movq %0, %%mm7 \n\t"
"movq %1, %%mm6 \n\t"
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