1 /*M/////////////////////////////////////////////////////////////////////////////////////// 2 // 3 // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. 4 // 5 // By downloading, copying, installing or using the software you agree to this license. 6 // If you do not agree to this license, do not download, install, 7 // copy or use the software. 8 // 9 // 10 // License Agreement 11 // For Open Source Computer Vision Library 12 // 13 // Copyright (C) 2000-2008, Intel Corporation, all rights reserved. 14 // Copyright (C) 2009, Willow Garage Inc., all rights reserved. 15 // Copyright (C) 2013, OpenCV Foundation, all rights reserved. 16 // Third party copyrights are property of their respective owners. 17 // 18 // Redistribution and use in source and binary forms, with or without modification, 19 // are permitted provided that the following conditions are met: 20 // 21 // * Redistribution's of source code must retain the above copyright notice, 22 // this list of conditions and the following disclaimer. 23 // 24 // * Redistribution's in binary form must reproduce the above copyright notice, 25 // this list of conditions and the following disclaimer in the documentation 26 // and/or other materials provided with the distribution. 27 // 28 // * The name of the copyright holders may not be used to endorse or promote products 29 // derived from this software without specific prior written permission. 30 // 31 // This software is provided by the copyright holders and contributors "as is" and 32 // any express or implied warranties, including, but not limited to, the implied 33 // warranties of merchantability and fitness for a particular purpose are disclaimed. 34 // In no event shall the Intel Corporation or contributors be liable for any direct, 35 // indirect, incidental, special, exemplary, or consequential damages 36 // (including, but not limited to, procurement of substitute goods or services; 37 // loss of use, data, or profits; or business interruption) however caused 38 // and on any theory of liability, whether in contract, strict liability, 39 // or tort (including negligence or otherwise) arising in any way out of 40 // the use of this software, even if advised of the possibility of such damage. 41 // 42 //M*/ 43 44 #pragma once 45 46 #ifndef __OPENCV_CUDEV_PTR2D_TRANSFORM_HPP__ 47 #define __OPENCV_CUDEV_PTR2D_TRANSFORM_HPP__ 48 49 #include "../common.hpp" 50 #include "../grid/copy.hpp" 51 #include "traits.hpp" 52 #include "gpumat.hpp" 53 54 namespace cv { namespace cudev { 55 56 //! @addtogroup cudev 57 //! @{ 58 59 // UnaryTransformPtr 60 61 template <class SrcPtr, class Op> struct UnaryTransformPtr 62 { 63 typedef typename Op::result_type value_type; 64 typedef typename PtrTraits<SrcPtr>::index_type index_type; 65 66 SrcPtr src; 67 Op op; 68 69 __device__ __forceinline__ typename Op::result_type operator ()(typename PtrTraits<SrcPtr>::index_type y, typename PtrTraits<SrcPtr>::index_type x) const 70 { 71 return op(src(y, x)); 72 } 73 }; 74 75 template <class SrcPtr, class Op> struct UnaryTransformPtrSz : UnaryTransformPtr<SrcPtr, Op> 76 { 77 int rows, cols; 78 79 template <typename T> 80 __host__ void assignTo(GpuMat_<T>& dst, Stream& stream = Stream::Null()) const 81 { 82 gridCopy(*this, dst, stream); 83 } 84 }; 85 86 template <class SrcPtr, class Op> 87 __host__ UnaryTransformPtrSz<typename PtrTraits<SrcPtr>::ptr_type, Op> 88 transformPtr(const SrcPtr& src, const Op& op) 89 { 90 UnaryTransformPtrSz<typename PtrTraits<SrcPtr>::ptr_type, Op> ptr; 91 ptr.src = shrinkPtr(src); 92 ptr.op = op; 93 ptr.rows = getRows(src); 94 ptr.cols = getCols(src); 95 return ptr; 96 } 97 98 template <class SrcPtr, class Op> struct PtrTraits< UnaryTransformPtrSz<SrcPtr, Op> > : PtrTraitsBase<UnaryTransformPtrSz<SrcPtr, Op>, UnaryTransformPtr<SrcPtr, Op> > 99 { 100 }; 101 102 // BinaryTransformPtr 103 104 template <class Src1Ptr, class Src2Ptr, class Op> struct BinaryTransformPtr 105 { 106 typedef typename Op::result_type value_type; 107 typedef typename PtrTraits<Src1Ptr>::index_type index_type; 108 109 Src1Ptr src1; 110 Src2Ptr src2; 111 Op op; 112 113 __device__ __forceinline__ typename Op::result_type operator ()(typename PtrTraits<Src1Ptr>::index_type y, typename PtrTraits<Src1Ptr>::index_type x) const 114 { 115 return op(src1(y, x), src2(y, x)); 116 } 117 }; 118 119 template <class Src1Ptr, class Src2Ptr, class Op> struct BinaryTransformPtrSz : BinaryTransformPtr<Src1Ptr, Src2Ptr, Op> 120 { 121 int rows, cols; 122 123 template <typename T> 124 __host__ void assignTo(GpuMat_<T>& dst, Stream& stream = Stream::Null()) const 125 { 126 gridCopy(*this, dst, stream); 127 } 128 }; 129 130 template <class Src1Ptr, class Src2Ptr, class Op> 131 __host__ BinaryTransformPtrSz<typename PtrTraits<Src1Ptr>::ptr_type, typename PtrTraits<Src2Ptr>::ptr_type, Op> 132 transformPtr(const Src1Ptr& src1, const Src2Ptr& src2, const Op& op) 133 { 134 const int rows = getRows(src1); 135 const int cols = getCols(src1); 136 137 CV_Assert( getRows(src2) == rows && getCols(src2) == cols ); 138 139 BinaryTransformPtrSz<typename PtrTraits<Src1Ptr>::ptr_type, typename PtrTraits<Src2Ptr>::ptr_type, Op> ptr; 140 ptr.src1 = shrinkPtr(src1); 141 ptr.src2 = shrinkPtr(src2); 142 ptr.op = op; 143 ptr.rows = rows; 144 ptr.cols = cols; 145 return ptr; 146 } 147 148 template <class Src1Ptr, class Src2Ptr, class Op> struct PtrTraits< BinaryTransformPtrSz<Src1Ptr, Src2Ptr, Op> > : PtrTraitsBase<BinaryTransformPtrSz<Src1Ptr, Src2Ptr, Op>, BinaryTransformPtr<Src1Ptr, Src2Ptr, Op> > 149 { 150 }; 151 152 //! @} 153 154 }} 155 156 #endif 157