From cf72d2695cf770aacd10c75e08a21ffc8b2c00df Mon Sep 17 00:00:00 2001 From: Ilya Lavrenov Date: Mon, 9 Jun 2014 16:48:59 +0400 Subject: [PATCH] fixed possible runtime error --- modules/imgproc/src/histogram.cpp | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/modules/imgproc/src/histogram.cpp b/modules/imgproc/src/histogram.cpp index e7e03ceeb2..87b15fa06b 100644 --- a/modules/imgproc/src/histogram.cpp +++ b/modules/imgproc/src/histogram.cpp @@ -3436,8 +3436,13 @@ static bool ocl_equalizeHist(InputArray _src, OutputArray _dst) return false; 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)); - k.args(ocl::KernelArg::PtrWriteOnly(lut), ocl::KernelArg::PtrReadOnly(hist), (int)_src.total()); + ocl::Kernel k("calcLUT", ocl::imgproc::histogram_oclsrc, + 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 if (!k.run(1, &wgs, &wgs, false))