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added OpenVX call to equalizeHist() function

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This commit is contained in:
Rostislav Vasilikhin 2016-11-14 18:40:43 +03:00
parent 90b52cd9b8
commit 0ac934d09a
1 changed files with 52 additions and 0 deletions
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52
modules/imgproc/src/histogram.cpp
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@ -42,6 +42,12 @@
#include "precomp.hpp"
#include "opencl_kernels_imgproc.hpp"
#ifdef HAVE_OPENVX
#define IVX_USE_OPENCV
#define IVX_HIDE_INFO_WARNINGS
#include "ivx.hpp"
#endif
namespace cv
{
@ -3700,6 +3706,45 @@ static bool ocl_equalizeHist(InputArray _src, OutputArray _dst)
#endif
#ifdef HAVE_OPENVX
namespace cv
{
static bool openvx_equalize_hist(Mat srcMat, Mat dstMat)
{
using namespace ivx;
try
{
Context context = Context::create();
Image srcImage = Image::createFromHandle(context, Image::matTypeToFormat(srcMat.type()),
Image::createAddressing(srcMat), srcMat.data);
Image dstImage = Image::createFromHandle(context, Image::matTypeToFormat(dstMat.type()),
Image::createAddressing(dstMat), dstMat.data);
IVX_CHECK_STATUS(vxuEqualizeHist(context, srcImage, dstImage));
#ifdef VX_VERSION_1_1
//we should take user memory back before release
//(it's not done automatically according to standard)
srcImage.swapHandle(); dstImage.swapHandle();
#endif
}
catch (RuntimeError & e)
{
CV_Error(CV_StsInternal, e.what());
return false;
}
catch (WrapperError & e)
{
CV_Error(CV_StsInternal, e.what());
return false;
}
return true;
}
}
#endif
void cv::equalizeHist( InputArray _src, OutputArray _dst )
{
CV_INSTRUMENT_REGION()
@ -3716,6 +3761,13 @@ void cv::equalizeHist( InputArray _src, OutputArray _dst )
_dst.create( src.size(), src.type() );
Mat dst = _dst.getMat();
#ifdef HAVE_OPENVX
if(openvx_equalize_hist(src, dst))
{
return;
}
#endif
Mutex histogramLockInstance;
const int hist_sz = EqualizeHistCalcHist_Invoker::HIST_SZ;