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43 #ifndef OPENCV_CUDA_COMMON_HPP
44 #define OPENCV_CUDA_COMMON_HPP
46 #include <cuda_runtime.h>
47 #include "opencv2/core/cuda_types.hpp"
48 #include "opencv2/core/cvdef.h"
49 #include "opencv2/core/base.hpp"
52 * @deprecated Use @ref cudev instead.
59 #define CV_PI_F 3.14159265f
61 #define CV_PI_F ((float)CV_PI)
65 namespace cv { namespace cuda {
66 static inline void checkCudaError(cudaError_t err, const char* file, const int line, const char* func)
68 if (cudaSuccess != err) {
69 cudaGetLastError(); // reset the last stored error to cudaSuccess
70 cv::error(cv::Error::GpuApiCallError, cudaGetErrorString(err), func, file, line);
76 #define cudaSafeCall(expr) cv::cuda::checkCudaError(expr, __FILE__, __LINE__, CV_Func)
79 namespace cv { namespace cuda
81 template <typename T> static inline bool isAligned(const T* ptr, size_t size)
83 return reinterpret_cast<size_t>(ptr) % size == 0;
86 static inline bool isAligned(size_t step, size_t size)
88 return step % size == 0;
92 namespace cv { namespace cuda
96 __host__ __device__ __forceinline__ int divUp(int total, int grain)
98 return (total + grain - 1) / grain;
101 #if (CUDART_VERSION >= 12000)
102 template<class T> inline void bindTexture(const textureReference* tex, const PtrStepSz<T>& img) { CV_Error(cv::Error::GpuNotSupported, "Function removed in CUDA SDK 12"); }
103 template<class T> inline void createTextureObjectPitch2D(cudaTextureObject_t* tex, PtrStepSz<T>& img, const cudaTextureDesc& texDesc) {
104 CV_Error(cv::Error::GpuNotSupported, "Function removed in CUDA SDK 12"); }
106 //TODO: remove from OpenCV 5.x
107 template<class T> inline void bindTexture(const textureReference* tex, const PtrStepSz<T>& img)
109 cudaChannelFormatDesc desc = cudaCreateChannelDesc<T>();
110 cudaSafeCall( cudaBindTexture2D(0, tex, img.ptr(), &desc, img.cols, img.rows, img.step) );
113 template<class T> inline void createTextureObjectPitch2D(cudaTextureObject_t* tex, PtrStepSz<T>& img, const cudaTextureDesc& texDesc)
115 cudaResourceDesc resDesc;
116 memset(&resDesc, 0, sizeof(resDesc));
117 resDesc.resType = cudaResourceTypePitch2D;
118 resDesc.res.pitch2D.devPtr = static_cast<void*>(img.ptr());
119 resDesc.res.pitch2D.height = img.rows;
120 resDesc.res.pitch2D.width = img.cols;
121 resDesc.res.pitch2D.pitchInBytes = img.step;
122 resDesc.res.pitch2D.desc = cudaCreateChannelDesc<T>();
124 cudaSafeCall( cudaCreateTextureObject(tex, &resDesc, &texDesc, NULL) );
132 #endif // OPENCV_CUDA_COMMON_HPP