diff options
Diffstat (limited to 'thirdparty/libtheora/x86/mmxfrag.c')
| -rw-r--r-- | thirdparty/libtheora/x86/mmxfrag.c | 81 |
1 files changed, 78 insertions, 3 deletions
diff --git a/thirdparty/libtheora/x86/mmxfrag.c b/thirdparty/libtheora/x86/mmxfrag.c index 2c732939c3..b3ec508956 100644 --- a/thirdparty/libtheora/x86/mmxfrag.c +++ b/thirdparty/libtheora/x86/mmxfrag.c @@ -11,7 +11,7 @@ ******************************************************************** function: - last mod: $Id: mmxfrag.c 16503 2009-08-22 18:14:02Z giles $ + last mod: $Id$ ********************************************************************/ @@ -22,17 +22,92 @@ 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; \ + ptrdiff_t ystride3; \ + src=(_src); \ + dst=(_dst); \ + __asm__ __volatile__( \ + /*src+0*ystride*/ \ + "movq (%[src]),%%mm0\n\t" \ + /*src+1*ystride*/ \ + "movq (%[src],%[ystride]),%%mm1\n\t" \ + /*ystride3=ystride*3*/ \ + "lea (%[ystride],%[ystride],2),%[ystride3]\n\t" \ + /*src+2*ystride*/ \ + "movq (%[src],%[ystride],2),%%mm2\n\t" \ + /*src+3*ystride*/ \ + "movq (%[src],%[ystride3]),%%mm3\n\t" \ + /*dst+0*ystride*/ \ + "movq %%mm0,(%[dst])\n\t" \ + /*dst+1*ystride*/ \ + "movq %%mm1,(%[dst],%[ystride])\n\t" \ + /*Pointer to next 4.*/ \ + "lea (%[src],%[ystride],4),%[src]\n\t" \ + /*dst+2*ystride*/ \ + "movq %%mm2,(%[dst],%[ystride],2)\n\t" \ + /*dst+3*ystride*/ \ + "movq %%mm3,(%[dst],%[ystride3])\n\t" \ + /*Pointer to next 4.*/ \ + "lea (%[dst],%[ystride],4),%[dst]\n\t" \ + /*src+0*ystride*/ \ + "movq (%[src]),%%mm0\n\t" \ + /*src+1*ystride*/ \ + "movq (%[src],%[ystride]),%%mm1\n\t" \ + /*src+2*ystride*/ \ + "movq (%[src],%[ystride],2),%%mm2\n\t" \ + /*src+3*ystride*/ \ + "movq (%[src],%[ystride3]),%%mm3\n\t" \ + /*dst+0*ystride*/ \ + "movq %%mm0,(%[dst])\n\t" \ + /*dst+1*ystride*/ \ + "movq %%mm1,(%[dst],%[ystride])\n\t" \ + /*dst+2*ystride*/ \ + "movq %%mm2,(%[dst],%[ystride],2)\n\t" \ + /*dst+3*ystride*/ \ + "movq %%mm3,(%[dst],%[ystride3])\n\t" \ + :[dst]"+r"(dst),[src]"+r"(src),[ystride3]"=&r"(ystride3) \ + :[ystride]"r"((ptrdiff_t)(_ystride)) \ + :"memory" \ + ); \ + } \ + 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){ OC_FRAG_COPY_MMX(_dst,_src,_ystride); } +/*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]]; + OC_FRAG_COPY_MMX(_dst_frame+frag_buf_off, + _src_frame+frag_buf_off,_ystride); + } +} + + void oc_frag_recon_intra_mmx(unsigned char *_dst,int _ystride, const ogg_int16_t *_residue){ __asm__ __volatile__( @@ -280,7 +355,7 @@ void oc_frag_recon_inter2_mmx(unsigned char *_dst,const unsigned char *_src1, /*Advance dest ptr.*/ "lea (%[dst],%[ystride],2),%[dst]\n\t" :[dst]"+r"(_dst),[residue]"+r"(_residue), - [src1]"+%r"(_src1),[src2]"+r"(_src2) + [src1]"+r"(_src1),[src2]"+r"(_src2) :[ystride]"r"((ptrdiff_t)_ystride) :"memory" ); |