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174 lines
5.4 KiB
C++
174 lines
5.4 KiB
C++
// -*- c++ -*-
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// Version for non-SSE2
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#ifndef IS_C
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#ifdef SKIP_SEARCH
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"movq %%mm6, %%mm0\n\t" // just use the results of our weird bob
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#else
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// JA 9/Dec/2002
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// failed experiment
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// but leave in placeholder for me to play about
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#ifdef DONT_USE_STRANGE_BOB
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// Use the best weave if diffs less than 10 as that
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// means the image is still or moving cleanly
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// if there is motion we will clip which will catch anything
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"psubusb "_FOURS", %%mm7\n\t" // sets bits to zero if weave diff < 4
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"pxor %%mm0, %%mm0\n\t"
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"pcmpeqb %%mm0, %%mm7\n\t" // all ff where weave better, else 00
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"pcmpeqb %%mm7, %%mm0\n\t" // all ff where bob better, else 00
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"pand %%mm6, %%mm0\n\t" // use bob for these pixel values
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"pand %%mm5, %%mm7\n\t" // use weave for these
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"por %%mm7, %%mm0\n\t" // combine both
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#else
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// Use the better of bob or weave
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// pminub mm4, TENS // the most we care about
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V_PMINUB ("%%mm4", _TENS, "%%mm0") // the most we care about
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"psubusb %%mm4, %%mm7\n\t" // foregive that much from weave est?
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"psubusb "_FOURS", %%mm7\n\t" // bias it a bit toward weave
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"pxor %%mm0, %%mm0\n\t"
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"pcmpeqb %%mm0, %%mm7\n\t" // all ff where weave better, else 00
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"pcmpeqb %%mm7, %%mm0\n\t" // all ff where bob better, else 00
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"pand %%mm6, %%mm0\n\t" // use bob for these pixel values
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"pand %%mm5, %%mm7\n\t" // use weave for these
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"por %%mm7, %%mm0\n\t" // combine both
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#endif
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// pminub mm0, Max_Vals // but clip to catch the stray error
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V_PMINUB ("%%mm0", _Max_Vals, "%%mm1") // but clip to catch the stray error
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// pmaxub mm0, Min_Vals
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V_PMAXUB ("%%mm0", _Min_Vals)
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#endif
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MOVX" "_pDest", %%"XAX"\n\t"
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#ifdef USE_VERTICAL_FILTER
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"movq %%mm0, %%mm1\n\t"
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// pavgb mm0, qword ptr["XBX"]
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V_PAVGB ("%%mm0", "(%%"XBX")", "%%mm2", _ShiftMask)
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// movntq qword ptr["XAX"+"XDX"], mm0
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V_MOVNTQ ("(%"XAX", %%"XDX")", "%%mm0")
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// pavgb mm1, qword ptr["XBX"+"XCX"]
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V_PAVGB ("%%mm1", "(%%"XBX", %%"XCX")", "%%mm2", _ShiftMask)
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//FIXME: XDX or XAX!!
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"addq "_dst_pitchw", %%"XBX
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// movntq qword ptr["XAX"+"XDX"], mm1
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V_MOVNTQ ("(%%"XAX", %%"XDX")", "%%mm1")
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#else
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// movntq qword ptr["XAX"+"XDX"], mm0
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V_MOVNTQ ("(%%"XAX", %%"XDX")", "%%mm0")
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#endif
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LEAX" 8(%%"XDX"), %%"XDX"\n\t" // bump offset pointer
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CMPX" "_Last8", %%"XDX"\n\t" // done with line?
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"jb 1b\n\t" // y
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MOVX" "_oldbx", %%"XBX"\n\t"
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: /* no outputs */
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: "m"(pBob),
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"m"(src_pitch2),
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"m"(ShiftMask),
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"m"(pDest),
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"m"(dst_pitchw),
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"m"(Last8),
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"m"(pSrc),
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"m"(pSrcP),
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"m"(pBobP),
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"m"(DiffThres),
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"m"(Min_Vals),
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"m"(Max_Vals),
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"m"(FOURS),
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"m"(TENS),
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"m"(ONES),
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"m"(UVMask),
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"m"(Max_Mov),
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"m"(YMask),
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"m"(oldbx)
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: XAX, XCX, XDX, XSI, XDI,
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"st", "st(1)", "st(2)", "st(3)", "st(4)", "st(5)", "st(6)", "st(7)",
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#ifdef __MMX__
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"mm0", "mm1", "mm2", "mm3", "mm4", "mm5", "mm6", "mm7",
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#endif
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"memory", "cc"
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);
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// adjust for next line
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pSrc += src_pitch2;
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pSrcP += src_pitch2;
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pDest += dst_pitch2;
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pBob += src_pitch2;
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pBobP += src_pitch2;
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}
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return 0;
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#else
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#ifdef SKIP_SEARCH
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out[0] = best[0]; // just use the results of our weird bob
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out[1] = best[1];
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#else
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diff[0] = diff[0] - MIN (diff[0], 10) - 4;
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diff[1] = diff[1] - MIN (diff[1] - 10) - 4;
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if (diff[0] < 0)
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out[0] = weave[0];
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else
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out[0] = best[0];
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if (diff[1] < 0)
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out[1] = weave[1];
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else
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out[1] = best[1];
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out[0] = CLAMP (out[0], MinVals[0], MaxVals[0]);
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out[1] = CLAMP (out[1], MinVals[1], MaxVals[1]);
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#endif
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#ifdef USE_VERTICAL_FILTER
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pDest[x] = (out[0] + pBob[0]) / 2;
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pDest[x + dst_pitchw] = (pBob[src_pitch2] + out[0]) / 2;
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pDest[x + 1] = (out[1] + pBob[1]) / 2;
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pDest[x + 1 + dst_pitchw] = (pBob[src_pitch2 + 1] + out[1]) / 2;
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#else
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pDest[x] = out[0];
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pDest[x+1] = out[1];
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#endif
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pBob += 2;
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pBobP += 2;
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pSrc += 2;
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pSrcP += 2;
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}
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// adjust for next line
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pSrc = src_pitch2 * (y+1) + pWeaveSrc;
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pSrcP = src_pitch2 * (y+1) + pWeaveSrcP;
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pDest = dst_pitch2 * (y+1) + pWeaveDest + dst_pitch2;
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if (TopFirst)
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{
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pBob = pCopySrc + src_pitch2;
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pBobP = pCopySrcP + src_pitch2;
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}
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else
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{
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pBob = pCopySrc;
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pBobP = pCopySrcP;
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}
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pBob += src_pitch2 * (y+1);
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pBobP += src_pitch2 * (y+1);
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}
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return 0;
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#endif
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