generic-library/opencv
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fix

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This commit is contained in:
Konstantin Matskevich 2013-12-30 13:06:32 +04:00
parent a70a8e8680
commit 55634c1f52
3 changed files with 14 additions and 1 deletions
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1
modules/core/include/opencv2/core/ocl.hpp
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@ -489,6 +489,7 @@ public:
bool runTask(bool sync, const Queue& q=Queue());
size_t workGroupSize() const;
size_t preferedWorkGroupSizeMultiple() const;
bool compileWorkGroupSize(size_t wsz[]) const;
size_t localMemSize() const;

10
modules/core/src/ocl.cpp
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@ -2813,6 +2813,16 @@ size_t Kernel::workGroupSize() const
sizeof(val), &val, &retsz) >= 0 ? val : 0;
}
size_t Kernel::preferedWorkGroupSizeMultiple() const
{
if(!p)
return 0;
size_t val = 0, retsz = 0;
cl_device_id dev = (cl_device_id)Device::getDefault().ptr();
return clGetKernelWorkGroupInfo(p->handle, dev, CL_KERNEL_PREFERRED_WORK_GROUP_SIZE_MULTIPLE,
sizeof(val), &val, &retsz) >= 0 ? val : 0;
}
bool Kernel::compileWorkGroupSize(size_t wsz[]) const
{
if(!p || !wsz)

4
modules/imgproc/src/clahe.cpp
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@ -51,12 +51,14 @@ namespace clahe
const int tilesX, const int tilesY, const cv::Size tileSize,
const int clipLimit, const float lutScale)
{
cv::ocl::Kernel _k("calcLut", cv::ocl::imgproc::clahe_oclsrc);
bool is_cpu = cv::ocl::Device::getDefault().type() == cv::ocl::Device::TYPE_CPU;
cv::String opts;
if(is_cpu)
opts = "-D CPU ";
else
opts = cv::format("-D WAVE_SIZE=%d", cv::ocl::Device::getDefault().maxWorkGroupSize());
opts = cv::format("-D WAVE_SIZE=%d", _k.preferedWorkGroupSizeMultiple());
cv::ocl::Kernel k("calcLut", cv::ocl::imgproc::clahe_oclsrc, opts);
if(k.empty())