243 lines
8.6 KiB
Plaintext
243 lines
8.6 KiB
Plaintext
/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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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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//
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//
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// License Agreement
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// For Open Source Computer Vision Library
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//
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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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//
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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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//
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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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//
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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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//
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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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//
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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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//
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//M*/
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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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#else
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#include "opencv2/cudev.hpp"
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using namespace cv::cudev;
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void divMat(const GpuMat& src1, const GpuMat& src2, GpuMat& dst, const GpuMat&, double scale, Stream& stream, int);
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void divMat_8uc4_32f(const GpuMat& src1, const GpuMat& src2, GpuMat& dst, Stream& stream);
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void divMat_16sc4_32f(const GpuMat& src1, const GpuMat& src2, GpuMat& dst, Stream& stream);
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namespace
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{
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template <typename T, typename D> struct DivOp : binary_function<T, T, D>
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{
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__device__ __forceinline__ D operator ()(T a, T b) const
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{
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return b != 0 ? saturate_cast<D>(a / b) : 0;
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}
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};
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template <typename T> struct DivOp<T, float> : binary_function<T, T, float>
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{
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__device__ __forceinline__ float operator ()(T a, T b) const
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{
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return b != 0 ? static_cast<float>(a) / b : 0.0f;
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}
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};
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template <typename T> struct DivOp<T, double> : binary_function<T, T, double>
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{
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__device__ __forceinline__ double operator ()(T a, T b) const
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{
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return b != 0 ? static_cast<double>(a) / b : 0.0;
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}
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};
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template <typename T, typename S, typename D> struct DivScaleOp : binary_function<T, T, D>
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{
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S scale;
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__device__ __forceinline__ D operator ()(T a, T b) const
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{
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return b != 0 ? saturate_cast<D>(scale * a / b) : 0;
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}
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};
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template <typename ScalarDepth> struct TransformPolicy : DefaultTransformPolicy
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{
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};
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template <> struct TransformPolicy<double> : DefaultTransformPolicy
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{
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enum {
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shift = 1
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};
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};
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template <typename T, typename S, typename D>
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void divMatImpl(const GpuMat& src1, const GpuMat& src2, const GpuMat& dst, double scale, Stream& stream)
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{
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if (scale == 1)
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{
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DivOp<T, D> op;
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gridTransformBinary_< TransformPolicy<S> >(globPtr<T>(src1), globPtr<T>(src2), globPtr<D>(dst), op, stream);
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}
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else
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{
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DivScaleOp<T, S, D> op;
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op.scale = static_cast<S>(scale);
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gridTransformBinary_< TransformPolicy<S> >(globPtr<T>(src1), globPtr<T>(src2), globPtr<D>(dst), op, stream);
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}
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}
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}
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void divMat(const GpuMat& src1, const GpuMat& src2, GpuMat& dst, const GpuMat&, double scale, Stream& stream, int)
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{
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typedef void (*func_t)(const GpuMat& src1, const GpuMat& src2, const GpuMat& dst, double scale, Stream& stream);
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static const func_t funcs[7][7] =
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{
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{
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divMatImpl<uchar, float, uchar>,
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divMatImpl<uchar, float, schar>,
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divMatImpl<uchar, float, ushort>,
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divMatImpl<uchar, float, short>,
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divMatImpl<uchar, float, int>,
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divMatImpl<uchar, float, float>,
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divMatImpl<uchar, double, double>
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},
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{
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divMatImpl<schar, float, uchar>,
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divMatImpl<schar, float, schar>,
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divMatImpl<schar, float, ushort>,
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divMatImpl<schar, float, short>,
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divMatImpl<schar, float, int>,
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divMatImpl<schar, float, float>,
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divMatImpl<schar, double, double>
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},
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{
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0 /*divMatImpl<ushort, float, uchar>*/,
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0 /*divMatImpl<ushort, float, schar>*/,
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divMatImpl<ushort, float, ushort>,
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divMatImpl<ushort, float, short>,
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divMatImpl<ushort, float, int>,
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divMatImpl<ushort, float, float>,
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divMatImpl<ushort, double, double>
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},
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{
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0 /*divMatImpl<short, float, uchar>*/,
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0 /*divMatImpl<short, float, schar>*/,
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divMatImpl<short, float, ushort>,
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divMatImpl<short, float, short>,
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divMatImpl<short, float, int>,
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divMatImpl<short, float, float>,
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divMatImpl<short, double, double>
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},
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{
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0 /*divMatImpl<int, float, uchar>*/,
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0 /*divMatImpl<int, float, schar>*/,
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0 /*divMatImpl<int, float, ushort>*/,
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0 /*divMatImpl<int, float, short>*/,
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divMatImpl<int, float, int>,
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divMatImpl<int, float, float>,
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divMatImpl<int, double, double>
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},
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{
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0 /*divMatImpl<float, float, uchar>*/,
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0 /*divMatImpl<float, float, schar>*/,
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0 /*divMatImpl<float, float, ushort>*/,
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0 /*divMatImpl<float, float, short>*/,
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0 /*divMatImpl<float, float, int>*/,
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divMatImpl<float, float, float>,
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divMatImpl<float, double, double>
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},
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{
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0 /*divMatImpl<double, double, uchar>*/,
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0 /*divMatImpl<double, double, schar>*/,
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0 /*divMatImpl<double, double, ushort>*/,
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0 /*divMatImpl<double, double, short>*/,
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0 /*divMatImpl<double, double, int>*/,
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0 /*divMatImpl<double, double, float>*/,
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divMatImpl<double, double, double>
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}
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};
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const int sdepth = src1.depth();
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const int ddepth = dst.depth();
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CV_DbgAssert( sdepth <= CV_64F && ddepth <= CV_64F );
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GpuMat src1_ = src1.reshape(1);
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GpuMat src2_ = src2.reshape(1);
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GpuMat dst_ = dst.reshape(1);
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const func_t func = funcs[sdepth][ddepth];
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if (!func)
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CV_Error(cv::Error::StsUnsupportedFormat, "Unsupported combination of source and destination types");
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func(src1_, src2_, dst_, scale, stream);
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}
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namespace
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{
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template <typename T>
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struct DivOpSpecial : binary_function<T, float, T>
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{
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__device__ __forceinline__ T operator ()(const T& a, float b) const
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{
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typedef typename VecTraits<T>::elem_type elem_type;
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T res = VecTraits<T>::all(0);
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if (b != 0)
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{
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b = 1.0f / b;
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res.x = saturate_cast<elem_type>(a.x * b);
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res.y = saturate_cast<elem_type>(a.y * b);
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res.z = saturate_cast<elem_type>(a.z * b);
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res.w = saturate_cast<elem_type>(a.w * b);
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}
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return res;
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}
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};
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}
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void divMat_8uc4_32f(const GpuMat& src1, const GpuMat& src2, GpuMat& dst, Stream& stream)
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{
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gridTransformBinary(globPtr<uchar4>(src1), globPtr<float>(src2), globPtr<uchar4>(dst), DivOpSpecial<uchar4>(), stream);
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}
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void divMat_16sc4_32f(const GpuMat& src1, const GpuMat& src2, GpuMat& dst, Stream& stream)
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{
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gridTransformBinary(globPtr<short4>(src1), globPtr<float>(src2), globPtr<short4>(dst), DivOpSpecial<short4>(), stream);
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}
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#endif
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