114 lines
4.6 KiB
C++
114 lines
4.6 KiB
C++
/*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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#ifndef OPENCV_CUDA_DATAMOV_UTILS_HPP
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#define OPENCV_CUDA_DATAMOV_UTILS_HPP
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#include "common.hpp"
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/** @file
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* @deprecated Use @ref cudev instead.
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*/
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//! @cond IGNORED
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namespace cv { namespace cuda { namespace device
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{
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#if defined __CUDA_ARCH__ && __CUDA_ARCH__ >= 200
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// for Fermi memory space is detected automatically
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template <typename T> struct ForceGlob
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{
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__device__ __forceinline__ static void Load(const T* ptr, int offset, T& val) { val = ptr[offset]; }
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};
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#else // __CUDA_ARCH__ >= 200
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#if defined(_WIN64) || defined(__LP64__)
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// 64-bit register modifier for inlined asm
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#define OPENCV_CUDA_ASM_PTR "l"
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#else
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// 32-bit register modifier for inlined asm
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#define OPENCV_CUDA_ASM_PTR "r"
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#endif
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template<class T> struct ForceGlob;
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#define OPENCV_CUDA_DEFINE_FORCE_GLOB(base_type, ptx_type, reg_mod) \
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template <> struct ForceGlob<base_type> \
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{ \
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__device__ __forceinline__ static void Load(const base_type* ptr, int offset, base_type& val) \
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{ \
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asm("ld.global."#ptx_type" %0, [%1];" : "="#reg_mod(val) : OPENCV_CUDA_ASM_PTR(ptr + offset)); \
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} \
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};
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#define OPENCV_CUDA_DEFINE_FORCE_GLOB_B(base_type, ptx_type) \
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template <> struct ForceGlob<base_type> \
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{ \
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__device__ __forceinline__ static void Load(const base_type* ptr, int offset, base_type& val) \
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{ \
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asm("ld.global."#ptx_type" %0, [%1];" : "=r"(*reinterpret_cast<uint*>(&val)) : OPENCV_CUDA_ASM_PTR(ptr + offset)); \
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} \
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};
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OPENCV_CUDA_DEFINE_FORCE_GLOB_B(uchar, u8)
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OPENCV_CUDA_DEFINE_FORCE_GLOB_B(schar, s8)
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OPENCV_CUDA_DEFINE_FORCE_GLOB_B(char, b8)
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OPENCV_CUDA_DEFINE_FORCE_GLOB (ushort, u16, h)
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OPENCV_CUDA_DEFINE_FORCE_GLOB (short, s16, h)
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OPENCV_CUDA_DEFINE_FORCE_GLOB (uint, u32, r)
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OPENCV_CUDA_DEFINE_FORCE_GLOB (int, s32, r)
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OPENCV_CUDA_DEFINE_FORCE_GLOB (float, f32, f)
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OPENCV_CUDA_DEFINE_FORCE_GLOB (double, f64, d)
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#undef OPENCV_CUDA_DEFINE_FORCE_GLOB
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#undef OPENCV_CUDA_DEFINE_FORCE_GLOB_B
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#undef OPENCV_CUDA_ASM_PTR
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#endif // __CUDA_ARCH__ >= 200
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}}} // namespace cv { namespace cuda { namespace cudev
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//! @endcond
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#endif // OPENCV_CUDA_DATAMOV_UTILS_HPP
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