#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++;
}
}
+/* TODO: MMX optimization */
void rgb32to24(uint8_t *src,uint8_t *dst,uint32_t src_size)
{
uint8_t *dest = dst;
#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++;
}
}
+/* TODO: MMX optimization */
void rgb32to24(uint8_t *src,uint8_t *dst,uint32_t src_size)
{
uint8_t *dest = dst;