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Fix https://github.com/opencv/opencv/issues/8693

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Dmitry Kurtaev
2017-09-05 16:17:06 +03:00
parent 1caca2112b
commit 8b094755fa
3 changed files with 24 additions and 0 deletions
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modules/core/src/matrix.cpp
+5
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@@ -4021,6 +4021,11 @@ void cv::reduce(InputArray _src, OutputArray _dst, int dim, int op, int dtype)
CV_OCL_RUN(_dst.isUMat(),
ocl_reduce(_src, _dst, dim, op, op0, stype, dtype))
// Fake reference to source. Resolves issue 8693 in case of src == dst.
UMat srcUMat;
if (_src.isUMat())
srcUMat = _src.getUMat();
Mat src = _src.getMat();
_dst.create(dim == 0 ? 1 : src.rows, dim == 0 ? src.cols : 1, dtype);
Mat dst = _dst.getMat(), temp = dst;