diff options
Diffstat (limited to 'thirdparty/libtheora/x86_vc/mmxfrag.c')
| -rw-r--r-- | thirdparty/libtheora/x86_vc/mmxfrag.c | 83 |
1 files changed, 81 insertions, 2 deletions
diff --git a/thirdparty/libtheora/x86_vc/mmxfrag.c b/thirdparty/libtheora/x86_vc/mmxfrag.c index 4eb2084dc6..248312ff90 100644 --- a/thirdparty/libtheora/x86_vc/mmxfrag.c +++ b/thirdparty/libtheora/x86_vc/mmxfrag.c @@ -11,7 +11,7 @@ ******************************************************************** function: - last mod: $Id: mmxfrag.c 16578 2009-09-25 19:50:48Z cristianadam $ + last mod: $Id$ ********************************************************************/ @@ -22,12 +22,63 @@ The iteration each instruction belongs to is marked in the comments as #i.*/ #include <stddef.h> #include "x86int.h" -#include "mmxfrag.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) + +/*Copies an 8x8 block of pixels from _src to _dst, assuming _ystride bytes + between rows.*/ void oc_frag_copy_mmx(unsigned char *_dst, const unsigned char *_src,int _ystride){ #define SRC edx @@ -41,6 +92,34 @@ void oc_frag_copy_mmx(unsigned char *_dst, #undef YSTRIDE3 } +/*Copies the fragments specified by the lists of fragment indices from one + frame to another. + _dst_frame: The reference frame to copy to. + _src_frame: The reference frame to copy from. + _ystride: The row stride of the reference frames. + _fragis: A pointer to a list of fragment indices. + _nfragis: The number of fragment indices to copy. + _frag_buf_offs: The offsets of fragments in the reference frames.*/ +void oc_frag_copy_list_mmx(unsigned char *_dst_frame, + const unsigned char *_src_frame,int _ystride, + const ptrdiff_t *_fragis,ptrdiff_t _nfragis,const ptrdiff_t *_frag_buf_offs){ + ptrdiff_t fragii; + for(fragii=0;fragii<_nfragis;fragii++){ + ptrdiff_t frag_buf_off; + frag_buf_off=_frag_buf_offs[_fragis[fragii]]; +#define SRC edx +#define DST eax +#define YSTRIDE ecx +#define YSTRIDE3 edi + OC_FRAG_COPY_MMX(_dst_frame+frag_buf_off, + _src_frame+frag_buf_off,_ystride); +#undef SRC +#undef DST +#undef YSTRIDE +#undef YSTRIDE3 + } +} + void oc_frag_recon_intra_mmx(unsigned char *_dst,int _ystride, const ogg_int16_t *_residue){ __asm{ |