diff options
Diffstat (limited to 'postproc/postprocess.c')
| -rw-r--r-- | postproc/postprocess.c | 37 |
1 files changed, 20 insertions, 17 deletions
diff --git a/postproc/postprocess.c b/postproc/postprocess.c index e1b8bd2260..9835015566 100644 --- a/postproc/postprocess.c +++ b/postproc/postprocess.c @@ -1909,28 +1909,31 @@ static inline void blockCopy(uint8_t dst[], int dstStride, uint8_t src[], int sr "leal (%3,%3), %%ebx \n\t" "movq packedYOffset, %%mm2 \n\t" "movq packedYScale, %%mm3 \n\t" + "pxor %%mm4, %%mm4 \n\t" #define SCALED_CPY \ "movq (%0), %%mm0 \n\t"\ "movq (%0,%2), %%mm1 \n\t"\ "psubusb %%mm2, %%mm0 \n\t"\ "psubusb %%mm2, %%mm1 \n\t"\ - "pxor %%mm4, %%mm4 \n\t"\ - "pxor %%mm5, %%mm5 \n\t"\ - "punpcklbw %%mm0, %%mm4 \n\t"\ - "punpckhbw %%mm0, %%mm5 \n\t"\ - "pmulhuw %%mm3, %%mm4 \n\t"\ - "pmulhuw %%mm3, %%mm5 \n\t"\ - "packuswb %%mm5, %%mm4 \n\t"\ - "movq %%mm4, (%1) \n\t"\ - "pxor %%mm4, %%mm4 \n\t"\ - "pxor %%mm5, %%mm5 \n\t"\ - "punpcklbw %%mm1, %%mm4 \n\t"\ - "punpckhbw %%mm1, %%mm5 \n\t"\ - "pmulhuw %%mm3, %%mm4 \n\t"\ - "pmulhuw %%mm3, %%mm5 \n\t"\ - "packuswb %%mm5, %%mm4 \n\t"\ - "movq %%mm4, (%1, %3) \n\t"\ + "movq %%mm0, %%mm5 \n\t"\ + "punpcklbw %%mm4, %%mm0 \n\t"\ + "punpckhbw %%mm4, %%mm5 \n\t"\ + "psllw $7, %%mm0 \n\t"\ + "psllw $7, %%mm5 \n\t"\ + "pmulhw %%mm3, %%mm0 \n\t"\ + "pmulhw %%mm3, %%mm5 \n\t"\ + "packuswb %%mm5, %%mm0 \n\t"\ + "movq %%mm0, (%1) \n\t"\ + "movq %%mm1, %%mm5 \n\t"\ + "punpcklbw %%mm4, %%mm1 \n\t"\ + "punpckhbw %%mm4, %%mm5 \n\t"\ + "psllw $7, %%mm1 \n\t"\ + "psllw $7, %%mm5 \n\t"\ + "pmulhw %%mm3, %%mm1 \n\t"\ + "pmulhw %%mm3, %%mm5 \n\t"\ + "packuswb %%mm5, %%mm1 \n\t"\ + "movq %%mm1, (%1, %3) \n\t"\ "1: \n\t" SCALED_CPY @@ -2073,7 +2076,7 @@ void postProcess(uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int scale= (double)(maxAllowedY - minAllowedY) / (double)(white-black); - packedYScale= (uint16_t)(scale*256.0 + 0.5); + packedYScale= (uint16_t)(scale*512.0 + 0.5); packedYScale|= packedYScale<<32; packedYScale|= packedYScale<<16; } |