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Merge pull request #2490 from ilya-lavrenov:ocl_sep_filters

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Andrey Pavlenko
2014-03-20 13:54:26 +04:00
committed by OpenCV Buildbot
parent 68c57a1e82 3940b6163b
commit 9c7ba6db90
3 changed files with 8 additions and 6 deletions
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6
modules/ocl/src/filtering.cpp
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@@ -774,12 +774,12 @@ static void sepFilter2D_SinglePass(const oclMat &src, oclMat &dst,
option += " -D KERNEL_MATRIX_X=";
for(int i=0; i<row_kernel.rows; i++)
option += cv::format("0x%x,", *reinterpret_cast<const unsigned int*>( &row_kernel.at<float>(i) ) );
option += cv::format("DIG(0x%x)", *reinterpret_cast<const unsigned int*>( &row_kernel.at<float>(i) ) );
option += "0x0";
option += " -D KERNEL_MATRIX_Y=";
for(int i=0; i<col_kernel.rows; i++)
option += cv::format("0x%x,", *reinterpret_cast<const unsigned int*>( &col_kernel.at<float>(i) ) );
option += cv::format("DIG(0x%x)", *reinterpret_cast<const unsigned int*>( &col_kernel.at<float>(i) ) );
option += "0x0";
switch(src.type())
@@ -1410,7 +1410,7 @@ Ptr<FilterEngine_GPU> cv::ocl::createSeparableLinearFilter_GPU(int srcType, int
//if image size is non-degenerate and large enough
//and if filter support is reasonable to satisfy larger local memory requirements,
//then we can use single pass routine to avoid extra runtime calls overhead
if( clCxt && clCxt->supportsFeature(FEATURE_CL_INTEL_DEVICE) &&
if( clCxt &&
rowKernel.rows <= 21 && columnKernel.rows <= 21 &&
(rowKernel.rows & 1) == 1 && (columnKernel.rows & 1) == 1 &&
imgSize.width > optimizedSepFilterLocalSize + (rowKernel.rows>>1) &&

2
modules/ocl/src/opencl/filtering_sep_filter_singlepass.cl
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@@ -84,6 +84,8 @@
#define DST(_x,_y) (((global DSTTYPE*)(Dst+DstOffset+(_y)*DstPitch))[_x])
#define DIG(a) a,
//horizontal and vertical filter kernels
//should be defined on host during compile time to avoid overhead
__constant uint mat_kernelX[] = {KERNEL_MATRIX_X};