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core(ipp): skip huge input in flip()

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- IPP/SSE4.2 works well
This commit is contained in:
Alexander Alekhin
2019-10-14 18:10:32 +03:00
parent dd4f591d54
commit 6a7d1c15d3
3 changed files with 22 additions and 1 deletions
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modules/core/src/copy.cpp
+7
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@@ -711,6 +711,13 @@ static bool ipp_flip(Mat &src, Mat &dst, int flip_mode)
#ifdef HAVE_IPP_IW
CV_INSTRUMENT_REGION_IPP();
// Details: https://github.com/opencv/opencv/issues/12943
if (flip_mode <= 0 /* swap rows */
&& cv::ipp::getIppTopFeatures() != ippCPUID_SSE42
&& (int64_t)(src.total()) * src.elemSize() >= CV_BIG_INT(0x80000000)/*2Gb*/
)
return false;
IppiAxis ippMode;
if(flip_mode < 0)
ippMode = ippAxsBoth;