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_LUT_HPP__ 47 #define __OPENCV_CUDEV_PTR2D_LUT_HPP__ 48 49 #include "../common.hpp" 50 #include "../util/vec_traits.hpp" 51 #include "../grid/copy.hpp" 52 #include "traits.hpp" 53 #include "gpumat.hpp" 54 55 namespace cv { namespace cudev { 56 57 //! @addtogroup cudev 58 //! @{ 59 60 template <class SrcPtr, class TablePtr> struct LutPtr 61 { 62 typedef typename PtrTraits<TablePtr>::value_type value_type; 63 typedef typename PtrTraits<SrcPtr>::index_type index_type; 64 65 SrcPtr src; 66 TablePtr tbl; 67 68 __device__ __forceinline__ typename PtrTraits<TablePtr>::value_type operator ()(typename PtrTraits<SrcPtr>::index_type y, typename PtrTraits<SrcPtr>::index_type x) const 69 { 70 typedef typename PtrTraits<TablePtr>::index_type tbl_index_type; 71 return tbl(VecTraits<tbl_index_type>::all(0), src(y, x)); 72 } 73 }; 74 75 template <class SrcPtr, class TablePtr> struct LutPtrSz : LutPtr<SrcPtr, TablePtr> 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 TablePtr> 87 __host__ LutPtrSz<typename PtrTraits<SrcPtr>::ptr_type, typename PtrTraits<TablePtr>::ptr_type> lutPtr(const SrcPtr& src, const TablePtr& tbl) 88 { 89 LutPtrSz<typename PtrTraits<SrcPtr>::ptr_type, typename PtrTraits<TablePtr>::ptr_type> ptr; 90 ptr.src = shrinkPtr(src); 91 ptr.tbl = shrinkPtr(tbl); 92 ptr.rows = getRows(src); 93 ptr.cols = getCols(src); 94 return ptr; 95 } 96 97 template <class SrcPtr, class TablePtr> struct PtrTraits< LutPtrSz<SrcPtr, TablePtr> > : PtrTraitsBase<LutPtrSz<SrcPtr, TablePtr>, LutPtr<SrcPtr, TablePtr> > 98 { 99 }; 100 101 //! @} 102 103 }} 104 105 #endif 106
