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Optimize OpenCL LUT function

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This commit is contained in:
vbystricky
2014-05-19 13:58:14 +04:00
parent 72727111c7
commit 6667cea0f4
1 changed files with 3 additions and 3 deletions
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6
modules/core/src/convert.cpp
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@@ -1550,9 +1550,8 @@ static bool ocl_LUT(InputArray _src, InputArray _lut, OutputArray _dst)
_dst.create(src.size(), CV_MAKETYPE(ddepth, dcn)); _dst.create(src.size(), CV_MAKETYPE(ddepth, dcn));
UMat dst = _dst.getUMat(); UMat dst = _dst.getUMat();
size_t globalSize[2] = { dst.cols, (dst.rows + 3) / 4}; ocl::Kernel k("LUT", ocl::core::lut_oclsrc,
format("-D dcn=%d -D lcn=%d -D srcT=%s -D dstT=%s", dcn, lcn,
ocl::Kernel k("LUT", ocl::core::lut_oclsrc, format("-D dcn=%d -D lcn=%d -D srcT=%s -D dstT=%s", dcn, lcn,
ocl::typeToStr(sdepth), ocl::memopTypeToStr(ddepth) ocl::typeToStr(sdepth), ocl::memopTypeToStr(ddepth)
)); ));
if (k.empty()) if (k.empty())
@@ -1561,6 +1560,7 @@ static bool ocl_LUT(InputArray _src, InputArray _lut, OutputArray _dst)
k.args(ocl::KernelArg::ReadOnlyNoSize(src), ocl::KernelArg::ReadOnlyNoSize(lut), k.args(ocl::KernelArg::ReadOnlyNoSize(src), ocl::KernelArg::ReadOnlyNoSize(lut),
ocl::KernelArg::WriteOnly(dst)); ocl::KernelArg::WriteOnly(dst));
size_t globalSize[2] = { dst.cols, (dst.rows + 3) / 4};
return k.run(2, globalSize, NULL, false); return k.run(2, globalSize, NULL, false);
} }