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CV_USE_UNROLLED for imgproc

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Victoria Zhislina
2012-02-21 11:31:23 +00:00
parent ff2af7d8bb
commit 0630e7010e
10 changed files with 96 additions and 43 deletions
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modules/imgproc/src/imgwarp.cpp
+8 -4
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@@ -877,6 +877,7 @@ struct VResizeLinear
VecOp vecOp;
int x = vecOp((const uchar**)src, (uchar*)dst, (const uchar*)beta, width);
#if CV_ENABLE_UNROLLED
for( ; x <= width - 4; x += 4 )
{
WT t0, t1;
@@ -887,7 +888,7 @@ struct VResizeLinear
t1 = S0[x+3]*b0 + S1[x+3]*b1;
dst[x+2] = castOp(t0); dst[x+3] = castOp(t1);
}
#endif
for( ; x < width; x++ )
dst[x] = castOp(S0[x]*b0 + S1[x]*b1);
}
@@ -1033,7 +1034,7 @@ struct VResizeLanczos4
CastOp castOp;
VecOp vecOp;
int k, x = vecOp((const uchar**)src, (uchar*)dst, (const uchar*)beta, width);
#if CV_ENABLE_UNROLLED
for( ; x <= width - 4; x += 4 )
{
WT b = beta[0];
@@ -1050,7 +1051,7 @@ struct VResizeLanczos4
dst[x] = castOp(s0); dst[x+1] = castOp(s1);
dst[x+2] = castOp(s2); dst[x+3] = castOp(s3);
}
#endif
for( ; x < width; x++ )
{
dst[x] = castOp(src[0][x]*beta[0] + src[1][x]*beta[1] +
@@ -1161,8 +1162,11 @@ static void resizeAreaFast_( const Mat& src, Mat& dst, const int* ofs, const int
{
const T* S = (const T*)(src.data + src.step*sy0) + xofs[dx];
WT sum = 0;
for( k = 0; k <= area - 4; k += 4 )
k=0;
#if CV_ENABLE_UNROLLED
for( ; k <= area - 4; k += 4 )
sum += S[ofs[k]] + S[ofs[k+1]] + S[ofs[k+2]] + S[ofs[k+3]];
#endif
for( ; k < area; k++ )
sum += S[ofs[k]];