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Added OpenVX based processing to LUT

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This commit is contained in:
Vitaly Tuzov
2016-11-01 21:14:21 +03:00
parent 3ae1990727
commit ced81f72bc
2 changed files with 206 additions and 0 deletions
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modules/core/src/convert.cpp
+40
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@@ -5374,6 +5374,41 @@ static bool ocl_LUT(InputArray _src, InputArray _lut, OutputArray _dst)
#endif
#ifdef HAVE_OPENVX
static bool openvx_LUT(Mat src, Mat dst, Mat _lut)
{
if (src.type() != CV_8UC1 || dst.type() != src.type() || _lut.type() != src.type() || !_lut.isContinuous())
return false;
try
{
ivx::Context ctx = ivx::Context::create();
ivx::Image
ia = ivx::Image::createFromHandle(ctx, VX_DF_IMAGE_U8,
ivx::Image::createAddressing(src.cols, src.rows, 1, (vx_int32)(src.step)), src.data),
ib = ivx::Image::createFromHandle(ctx, VX_DF_IMAGE_U8,
ivx::Image::createAddressing(dst.cols, dst.rows, 1, (vx_int32)(dst.step)), dst.data);
ivx::LUT lut = ivx::LUT::create(ctx);
lut.copyFrom(_lut);
ivx::IVX_CHECK_STATUS(vxuTableLookup(ctx, ia, lut, ib));
}
catch (ivx::RuntimeError & e)
{
CV_Error(CV_StsInternal, e.what());
return false;
}
catch (ivx::WrapperError & e)
{
CV_Error(CV_StsInternal, e.what());
return false;
}
return true;
}
#endif
#if defined(HAVE_IPP)
namespace ipp {
@@ -5639,6 +5674,11 @@ void cv::LUT( InputArray _src, InputArray _lut, OutputArray _dst )
_dst.create(src.dims, src.size, CV_MAKETYPE(_lut.depth(), cn));
Mat dst = _dst.getMat();
#ifdef HAVE_OPENVX
if (openvx_LUT(src, dst, lut))
return;
#endif
CV_IPP_RUN(_src.dims() <= 2, ipp_lut(src, lut, dst));
if (_src.dims() <= 2)