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_BLOCK_DYNAMIC_SMEM_HPP__ 47 #define __OPENCV_CUDEV_BLOCK_DYNAMIC_SMEM_HPP__ 48 49 #include "../common.hpp" 50 51 namespace cv { namespace cudev { 52 53 //! @addtogroup cudev 54 //! @{ 55 56 template <class T> struct DynamicSharedMem 57 { operator T*cv::cudev::DynamicSharedMem58 __device__ __forceinline__ operator T*() 59 { 60 extern __shared__ int __smem[]; 61 return (T*) __smem; 62 } 63 operator const T*cv::cudev::DynamicSharedMem64 __device__ __forceinline__ operator const T*() const 65 { 66 extern __shared__ int __smem[]; 67 return (T*) __smem; 68 } 69 }; 70 71 // specialize for double to avoid unaligned memory access compile errors 72 template <> struct DynamicSharedMem<double> 73 { operator double*cv::cudev::DynamicSharedMem74 __device__ __forceinline__ operator double*() 75 { 76 extern __shared__ double __smem_d[]; 77 return (double*) __smem_d; 78 } 79 operator const double*cv::cudev::DynamicSharedMem80 __device__ __forceinline__ operator const double*() const 81 { 82 extern __shared__ double __smem_d[]; 83 return (double*) __smem_d; 84 } 85 }; 86 87 //! @} 88 89 }} 90 91 #endif 92