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/*M///////////////////////////////////////////////////////////////////////////////////////
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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// By downloading, copying, installing or using the software you agree to this license.
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// If you do not agree to this license, do not download, install,
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// copy or use the software.
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// For Open Source Computer Vision Library
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// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
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// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
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// Third party copyrights are property of their respective owners.
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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// * Redistribution's of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistribution's in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * The name of the copyright holders may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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// This software is provided by the copyright holders and contributors "as is" and
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// any express or implied warranties, including, but not limited to, the implied
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
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// In no event shall the Intel Corporation or contributors be liable for any direct,
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// indirect, incidental, special, exemplary, or consequential damages
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// (including, but not limited to, procurement of substitute goods or services;
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// loss of use, data, or profits; or business interruption) however caused
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// and on any theory of liability, whether in contract, strict liability,
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// or tort (including negligence or otherwise) arising in any way out of
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// the use of this software, even if advised of the possibility of such damage.
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#include "opencv2/opencv_modules.hpp"
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#ifndef HAVE_OPENCV_CUDEV
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#error "opencv_cudev is required"
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#include "opencv2/cudev.hpp"
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using namespace cv::cudev;
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void absDiffScalar(const GpuMat& src, cv::Scalar val, bool, GpuMat& dst, const GpuMat&, double, Stream& stream, int);
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template <typename T, typename S> struct AbsDiffScalarOp : unary_function<T, T>
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__device__ __forceinline__ T operator ()(T a) const
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return saturate_cast<T>(f(a - val));
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template <typename ScalarDepth> struct TransformPolicy : DefaultTransformPolicy
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template <> struct TransformPolicy<double> : DefaultTransformPolicy
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template <typename SrcType, typename ScalarDepth>
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void absDiffScalarImpl(const GpuMat& src, double value, GpuMat& dst, Stream& stream)
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AbsDiffScalarOp<SrcType, ScalarDepth> op;
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op.val = static_cast<ScalarDepth>(value);
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gridTransformUnary_< TransformPolicy<ScalarDepth> >(globPtr<SrcType>(src), globPtr<SrcType>(dst), op, stream);
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void absDiffScalar(const GpuMat& src, cv::Scalar val, bool, GpuMat& dst, const GpuMat&, double, Stream& stream, int)
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typedef void (*func_t)(const GpuMat& src, double val, GpuMat& dst, Stream& stream);
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static const func_t funcs[] =
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absDiffScalarImpl<uchar, float>,
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absDiffScalarImpl<schar, float>,
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absDiffScalarImpl<ushort, float>,
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absDiffScalarImpl<short, float>,
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absDiffScalarImpl<int, float>,
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absDiffScalarImpl<float, float>,
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absDiffScalarImpl<double, double>
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const int depth = src.depth();
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CV_DbgAssert( depth <= CV_64F );
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funcs[depth](src, val[0], dst, stream);