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fixed possible runtime error

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This commit is contained in:
Ilya Lavrenov 2014-06-09 16:48:59 +04:00
parent ed1c56e063
commit cf72d2695c
1 changed files with 7 additions and 2 deletions
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9
modules/imgproc/src/histogram.cpp
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@ -3436,8 +3436,13 @@ static bool ocl_equalizeHist(InputArray _src, OutputArray _dst)
return false; return false;
UMat lut(1, 256, CV_8UC1); UMat lut(1, 256, CV_8UC1);
ocl::Kernel k("calcLUT", ocl::imgproc::histogram_oclsrc, format("-D BINS=%d -D HISTS_COUNT=1 -D WGS=%d", BINS, (int)wgs)); ocl::Kernel k("calcLUT", ocl::imgproc::histogram_oclsrc,
k.args(ocl::KernelArg::PtrWriteOnly(lut), ocl::KernelArg::PtrReadOnly(hist), (int)_src.total()); format("-D BINS=%d -D HISTS_COUNT=1 -D WGS=%d", BINS, (int)wgs));
if (k.empty())
return false;
k.args(ocl::KernelArg::PtrWriteOnly(lut),
ocl::KernelArg::PtrReadOnly(hist), (int)_src.total());
// calculation of LUT // calculation of LUT
if (!k.run(1, &wgs, &wgs, false)) if (!k.run(1, &wgs, &wgs, false))