132 lines
4.8 KiB
C++
132 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_CUDA_COMMON_HPP
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#define OPENCV_CUDA_COMMON_HPP
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#include <cuda_runtime.h>
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#include "opencv2/core/cuda_types.hpp"
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#include "opencv2/core/cvdef.h"
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#include "opencv2/core/base.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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#ifndef CV_PI_F
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#ifndef CV_PI
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#define CV_PI_F 3.14159265f
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#else
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#define CV_PI_F ((float)CV_PI)
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#endif
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#endif
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namespace cv { namespace cuda {
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static inline void checkCudaError(cudaError_t err, const char* file, const int line, const char* func)
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{
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if (cudaSuccess != err) {
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cudaGetLastError(); // reset the last stored error to cudaSuccess
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cv::error(cv::Error::GpuApiCallError, cudaGetErrorString(err), func, file, line);
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}
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}
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}}
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#ifndef cudaSafeCall
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#define cudaSafeCall(expr) cv::cuda::checkCudaError(expr, __FILE__, __LINE__, CV_Func)
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#endif
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namespace cv { namespace cuda
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{
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template <typename T> static inline bool isAligned(const T* ptr, size_t size)
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{
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return reinterpret_cast<size_t>(ptr) % size == 0;
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}
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static inline bool isAligned(size_t step, size_t size)
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{
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return step % size == 0;
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}
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}}
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namespace cv { namespace cuda
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{
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namespace device
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{
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__host__ __device__ __forceinline__ int divUp(int total, int grain)
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{
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return (total + grain - 1) / grain;
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}
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#if (CUDART_VERSION >= 12000)
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template<class T> inline void createTextureObjectPitch2D(cudaTextureObject_t* tex, PtrStepSz<T>& img, const cudaTextureDesc& texDesc) {
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CV_Error(cv::Error::GpuNotSupported, "Function removed in CUDA SDK 12"); }
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#else
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//TODO: remove from OpenCV 5.x
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template<class T> inline void bindTexture(const textureReference* tex, const PtrStepSz<T>& img)
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{
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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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template<class T> inline void createTextureObjectPitch2D(cudaTextureObject_t* tex, PtrStepSz<T>& img, const cudaTextureDesc& texDesc)
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{
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cudaResourceDesc resDesc;
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memset(&resDesc, 0, sizeof(resDesc));
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resDesc.resType = cudaResourceTypePitch2D;
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resDesc.res.pitch2D.devPtr = static_cast<void*>(img.ptr());
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resDesc.res.pitch2D.height = img.rows;
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resDesc.res.pitch2D.width = img.cols;
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resDesc.res.pitch2D.pitchInBytes = img.step;
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resDesc.res.pitch2D.desc = cudaCreateChannelDesc<T>();
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cudaSafeCall( cudaCreateTextureObject(tex, &resDesc, &texDesc, NULL) );
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}
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#endif
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}
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}}
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//! @endcond
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#endif // OPENCV_CUDA_COMMON_HPP
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