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// -*- c++ -*-
#ifdef IS_SSE2
//sse2 code deleted for now
#else
// Version for non-SSE2
#ifdef SKIP_SEARCH
"movq %%mm6, %%mm0\n\t" // just use the results of our wierd bob
#else
// JA 9/Dec/2002
// failed experiment
// but leave in placeholder for me to play about
#ifdef DONT_USE_STRANGE_BOB
// Use the best weave if diffs less than 10 as that
// means the image is still or moving cleanly
// if there is motion we will clip which will catch anything
"psubusb "_FOURS", %%mm7\n\t" // sets bits to zero if weave diff < 4
"pxor %%mm0, %%mm0\n\t"
"pcmpeqb %%mm0, %%mm7\n\t" // all ff where weave better, else 00
"pcmpeqb %%mm7, %%mm0\n\t" // all ff where bob better, else 00
"pand %%mm6, %%mm0\n\t" // use bob for these pixel values
"pand %%mm5, %%mm7\n\t" // use weave for these
"por %%mm7, %%mm0\n\t" // combine both
#else
// Use the better of bob or weave
// pminub mm4, TENS // the most we care about
V_PMINUB ("%%mm4", _TENS, "%%mm0") // the most we care about
"psubusb %%mm4, %%mm7\n\t" // foregive that much from weave est?
"psubusb "_FOURS", %%mm7\n\t" // bias it a bit toward weave
"pxor %%mm0, %%mm0\n\t"
"pcmpeqb %%mm0, %%mm7\n\t" // all ff where weave better, else 00
"pcmpeqb %%mm7, %%mm0\n\t" // all ff where bob better, else 00
"pand %%mm6, %%mm0\n\t" // use bob for these pixel values
"pand %%mm5, %%mm7\n\t" // use weave for these
"por %%mm7, %%mm0\n\t" // combine both
#endif
// pminub mm0, Max_Vals // but clip to catch the stray error
V_PMINUB ("%%mm0", _Max_Vals, "%%mm1") // but clip to catch the stray error
// pmaxub mm0, Min_Vals
V_PMAXUB ("%%mm0", _Min_Vals)
#endif
"movl "_pDest", %%eax\n\t"
#ifdef USE_VERTICAL_FILTER
"movq %%mm0, %%mm1\n\t"
// pavgb mm0, qword ptr[ebx]
V_PAVGB ("%%mm0", "(%%ebx)", "%%mm2", _ShiftMask)
// movntq qword ptr[eax+edx], mm0
V_MOVNTQ ("(%%eax, %%edx)", "%%mm0")
// pavgb mm1, qword ptr[ebx+ecx]
V_PAVGB ("%%mm1", "(%%ebx, %%ecx)", "%%mm2", _ShiftMask)
"addl "_dst_pitchw", %%eax"
// movntq qword ptr[eax+edx], mm1
V_MOVNTQ ("(%%eax, %%edx)", "%%mm1")
#else
// movntq qword ptr[eax+edx], mm0
V_MOVNTQ ("(%%eax, %%edx)", "%%mm0")
#endif
"leal 8(%%edx), %%edx\n\t" // bump offset pointer
"cmpl "_Last8", %%edx\n\t" // done with line?
"jb 1b\n\t" // y
#endif
"popl %%ebx\n\t"
: /* no outputs */
: "m"(pBob),
"m"(src_pitch2),
"m"(ShiftMask),
"m"(pDest),
"m"(dst_pitchw),
"m"(Last8),
"m"(pSrc),
"m"(pSrcP),
"m"(pBobP),
"m"(DiffThres[0]),
"m"(Min_Vals[0]),
"m"(Max_Vals[0]),
"m"(FOURS[0]),
"m"(TENS[0]),
"m"(ONES[0]),
"m"(UVMask[0]),
"m"(Max_Mov[0]),
"m"(YMask[0])
: "eax", "ecx", "edx", "esi", "edi",
"st", "st(1)", "st(2)", "st(3)", "st(4)", "st(5)", "st(6)", "st(7)",
"mm0", "mm1", "mm2", "mm3", "mm4", "mm5", "mm6", "mm7",
"memory", "cc"
);
#undef _pBob
#undef _src_pitch2
#undef _ShiftMask
#undef _pDest
#undef _dst_pitchw
#undef _Last8
#undef _pSrc
#undef _pSrcP
#undef _pBobP
#undef _DiffThres
#undef _Min_Vals
#undef _Max_Vals
#undef _FOURS
#undef _TENS
#undef _ONES
#undef _UVMask
#undef _Max_Mov
#undef _YMask
// adjust for next line
pSrc += src_pitch2;
pSrcP += src_pitch2;
pDest += dst_pitch2;
pBob += src_pitch2;
pBobP += src_pitch2;
}
return 0;
|
