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integrated patch with some SSE2/SSE4.2 optimizations from Grigory Frolov

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This commit is contained in:
Vadim Pisarevsky
2012-07-24 17:24:31 +04:00
parent 54d68da8e7
commit b782d8bb53
7 changed files with 220 additions and 10 deletions
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62
modules/core/src/copy.cpp
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@@ -78,6 +78,66 @@ copyMask_(const uchar* _src, size_t sstep, const uchar* mask, size_t mstep, ucha
}
}
template<> static void
copyMask_<uchar>(const uchar* _src, size_t sstep, const uchar* mask, size_t mstep, uchar* _dst, size_t dstep, Size size)
{
for( ; size.height--; mask += mstep, _src += sstep, _dst += dstep )
{
const uchar* src = (const uchar*)_src;
uchar* dst = (uchar*)_dst;
int x = 0;
#if CV_SSE4_2
if(USE_SSE4_2)//
{
__m128i zero = _mm_setzero_si128 ();
for( ; x <= size.width - 16; x += 16 )
{
const __m128i rSrc = _mm_lddqu_si128((const __m128i*)(src+x));
__m128i _mask = _mm_lddqu_si128((const __m128i*)(mask+x));
__m128i rDst = _mm_lddqu_si128((__m128i*)(dst+x));
__m128i _negMask = _mm_cmpeq_epi8(_mask, zero);
rDst = _mm_blendv_epi8(rSrc, rDst, _negMask);
_mm_storeu_si128((__m128i*)(dst + x), rDst);
}
}
#endif
for( ; x < size.width; x++ )
if( mask[x] )
dst[x] = src[x];
}
}
template<> static void
copyMask_<ushort>(const uchar* _src, size_t sstep, const uchar* mask, size_t mstep, uchar* _dst, size_t dstep, Size size)
{
for( ; size.height--; mask += mstep, _src += sstep, _dst += dstep )
{
const ushort* src = (const ushort*)_src;
ushort* dst = (ushort*)_dst;
int x = 0;
#if CV_SSE4_2
if(USE_SSE4_2)//
{
__m128i zero = _mm_setzero_si128 ();
for( ; x <= size.width - 8; x += 8 )
{
const __m128i rSrc =_mm_lddqu_si128((const __m128i*)(src+x));
__m128i _mask = _mm_loadl_epi64((const __m128i*)(mask+x));
_mask = _mm_unpacklo_epi8(_mask, _mask);
__m128i rDst = _mm_lddqu_si128((const __m128i*)(dst+x));
__m128i _negMask = _mm_cmpeq_epi8(_mask, zero);
rDst = _mm_blendv_epi8(rSrc, rDst, _negMask);
_mm_storeu_si128((__m128i*)(dst + x), rDst);
}
}
#endif
for( ; x < size.width; x++ )
if( mask[x] )
dst[x] = src[x];
}
}
static void
copyMaskGeneric(const uchar* _src, size_t sstep, const uchar* mask, size_t mstep, uchar* _dst, size_t dstep, Size size, void* _esz)
{
@@ -567,4 +627,4 @@ cvRepeat( const CvArr* srcarr, CvArr* dstarr )
cv::repeat(src, dst.rows/src.rows, dst.cols/src.cols, dst);
}
/* End of file. */
/* End of file. */