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Removed storing of zeros in local memory

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This commit is contained in:
Alexander Karsakov
2014-06-11 15:15:15 +04:00
parent 8e54845049
commit 06fb5da7c8
2 changed files with 49 additions and 122 deletions
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16
modules/imgproc/src/pyramids.cpp
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@@ -467,7 +467,7 @@ static bool ocl_pyrUp( InputArray _src, OutputArray _dst, const Size& _dsz, int
UMat dst = _dst.getUMat();
int float_depth = depth == CV_64F ? CV_64F : CV_32F;
int local_size = 8;
const int local_size = 16;
char cvt[2][50];
String buildOptions = format(
"-D T=%s -D FT=%s -D convertToT=%s -D convertToFT=%s%s "
@@ -478,25 +478,21 @@ static bool ocl_pyrUp( InputArray _src, OutputArray _dst, const Size& _dsz, int
doubleSupport ? " -D DOUBLE_SUPPORT" : "",
ocl::typeToStr(depth), channels, local_size
);
size_t globalThreads[2];
size_t globalThreads[2] = { dst.cols, dst.rows };
size_t localThreads[2] = { local_size, local_size };
ocl::Kernel k;
if (ocl::Device::getDefault().isIntel() && channels == 1)
{
k.create("pyrUp_unrolled", ocl::imgproc::pyr_up_oclsrc, buildOptions);
globalThreads[0] = dst.cols/2; globalThreads[1] = dst.rows/2;
}
else
{
k.create("pyrUp", ocl::imgproc::pyr_up_oclsrc, buildOptions);
local_size = 16;
globalThreads[0] = dst.cols; globalThreads[1] = dst.rows;
}
else
k.create("pyrUp", ocl::imgproc::pyr_up_oclsrc, buildOptions);
if (k.empty())
return false;
k.args(ocl::KernelArg::ReadOnly(src), ocl::KernelArg::WriteOnly(dst));
size_t localThreads[2] = {local_size, local_size};
return k.run(2, globalThreads, localThreads, false);
}