61 lines
1.6 KiB
C++
61 lines
1.6 KiB
C++
#if !defined(_x86_vc_mmxfrag_H)
|
|
# define _x86_vc_mmxfrag_H (1)
|
|
# include <stddef.h>
|
|
# include "x86int.h"
|
|
|
|
#if defined(OC_X86_ASM)
|
|
|
|
/*Copies an 8x8 block of pixels from _src to _dst, assuming _ystride bytes
|
|
between rows.*/
|
|
#define OC_FRAG_COPY_MMX(_dst,_src,_ystride) \
|
|
do{ \
|
|
const unsigned char *src; \
|
|
unsigned char *dst; \
|
|
src=(_src); \
|
|
dst=(_dst); \
|
|
__asm mov SRC,src \
|
|
__asm mov DST,dst \
|
|
__asm mov YSTRIDE,_ystride \
|
|
/*src+0*ystride*/ \
|
|
__asm movq mm0,[SRC] \
|
|
/*src+1*ystride*/ \
|
|
__asm movq mm1,[SRC+YSTRIDE] \
|
|
/*ystride3=ystride*3*/ \
|
|
__asm lea YSTRIDE3,[YSTRIDE+YSTRIDE*2] \
|
|
/*src+2*ystride*/ \
|
|
__asm movq mm2,[SRC+YSTRIDE*2] \
|
|
/*src+3*ystride*/ \
|
|
__asm movq mm3,[SRC+YSTRIDE3] \
|
|
/*dst+0*ystride*/ \
|
|
__asm movq [DST],mm0 \
|
|
/*dst+1*ystride*/ \
|
|
__asm movq [DST+YSTRIDE],mm1 \
|
|
/*Pointer to next 4.*/ \
|
|
__asm lea SRC,[SRC+YSTRIDE*4] \
|
|
/*dst+2*ystride*/ \
|
|
__asm movq [DST+YSTRIDE*2],mm2 \
|
|
/*dst+3*ystride*/ \
|
|
__asm movq [DST+YSTRIDE3],mm3 \
|
|
/*Pointer to next 4.*/ \
|
|
__asm lea DST,[DST+YSTRIDE*4] \
|
|
/*src+0*ystride*/ \
|
|
__asm movq mm0,[SRC] \
|
|
/*src+1*ystride*/ \
|
|
__asm movq mm1,[SRC+YSTRIDE] \
|
|
/*src+2*ystride*/ \
|
|
__asm movq mm2,[SRC+YSTRIDE*2] \
|
|
/*src+3*ystride*/ \
|
|
__asm movq mm3,[SRC+YSTRIDE3] \
|
|
/*dst+0*ystride*/ \
|
|
__asm movq [DST],mm0 \
|
|
/*dst+1*ystride*/ \
|
|
__asm movq [DST+YSTRIDE],mm1 \
|
|
/*dst+2*ystride*/ \
|
|
__asm movq [DST+YSTRIDE*2],mm2 \
|
|
/*dst+3*ystride*/ \
|
|
__asm movq [DST+YSTRIDE3],mm3 \
|
|
} \
|
|
while(0)
|
|
|
|
# endif
|
|
#endif
|