49ec8ba742
changed buffer type in linear filters to float. added support of 1 channel image to linear filters. added support of BORDER_REFLECT101, BORDER_REPLICATE and BORDER_CONSTANT border type to gpu linear filters. minor fix in tests. update comments in gpu.hpp.
115 lines
4.8 KiB
C++
115 lines
4.8 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_internal_shared_HPP__
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#define __OPENCV_internal_shared_HPP__
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#include "opencv2/gpu/devmem2d.hpp"
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#include "safe_call.hpp"
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#include "cuda_runtime.h"
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namespace cv
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{
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namespace gpu
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{
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typedef unsigned char uchar;
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typedef signed char schar;
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typedef unsigned short ushort;
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typedef unsigned int uint;
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enum
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{
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BORDER_REFLECT101_GPU = 0,
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BORDER_REPLICATE_GPU,
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BORDER_CONSTANT_GPU
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};
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// Converts CPU border extrapolation mode into GPU internal analogue.
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// Returns true if the GPU analogue exists, false otherwise.
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bool tryConvertToGpuBorderType(int cpuBorderType, int& gpuBorderType);
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static inline int divUp(int total, int grain) { return (total + grain - 1) / grain; }
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template<class T> static inline void uploadConstant(const char* name, const T& value)
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{
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cudaSafeCall( cudaMemcpyToSymbol(name, &value, sizeof(T)) );
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}
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template<class T> static inline void uploadConstant(const char* name, const T& value, cudaStream_t stream)
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{
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cudaSafeCall( cudaMemcpyToSymbolAsync(name, &value, sizeof(T), 0, cudaMemcpyHostToDevice, stream) );
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}
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template<class T> static inline void bindTexture(const char* name, const DevMem2D_<T>& img/*, bool normalized = false,
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enum cudaTextureFilterMode filterMode = cudaFilterModePoint, enum cudaTextureAddressMode addrMode = cudaAddressModeClamp*/)
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{
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//!!!! const_cast is disabled!
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//!!!! Please use constructor of 'class texture' instead.
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//textureReference* tex;
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//cudaSafeCall( cudaGetTextureReference((const textureReference**)&tex, name) );
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//tex->normalized = normalized;
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//tex->filterMode = filterMode;
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//tex->addressMode[0] = addrMode;
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//tex->addressMode[1] = addrMode;
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const textureReference* tex;
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cudaSafeCall( cudaGetTextureReference(&tex, name) );
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cudaChannelFormatDesc desc = cudaCreateChannelDesc<T>();
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cudaSafeCall( cudaBindTexture2D(0, tex, img.ptr(), &desc, img.cols, img.rows, img.step) );
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}
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static inline void unbindTexture(const char *name)
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{
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const textureReference* tex;
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cudaSafeCall( cudaGetTextureReference(&tex, name) );
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cudaSafeCall( cudaUnbindTexture(tex) );
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}
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}
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}
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#endif /* __OPENCV_internal_shared_HPP__ */
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