opencv/modules/gpu/src/cuda/cuda_shared.hpp

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#ifndef __OPENCV_CUDA_SHARED_HPP__
#define __OPENCV_CUDA_SHARED_HPP__

#include "opencv2/gpu/devmem2d.hpp"
#include "cuda_runtime_api.h"

namespace cv
{
    namespace gpu
    {
        typedef unsigned char uchar;
        typedef signed char schar;
        typedef unsigned short ushort;
        typedef unsigned int uint;

        extern "C" void error( const char *error_string, const char *file, const int line, const char *func = "");

        namespace impl
        {
            static inline int divUp(int a, int b) { return (a % b == 0) ? a/b : a/b + 1; }

            extern "C" void copy_to_with_mask(const DevMem2D& mat_src, const DevMem2D& mat_dst, int depth, const DevMem2D& mask, int channels, const cudaStream_t & stream = 0);

            extern "C" void set_to_without_mask (const DevMem2D& mat, int depth, const double * scalar, int channels, const cudaStream_t & stream = 0);
            extern "C" void set_to_with_mask    (const DevMem2D& mat, int depth, const double * scalar, const DevMem2D& mask, int channels, const cudaStream_t & stream = 0);

            extern "C" void convert_to(const DevMem2D& src, int sdepth, DevMem2D dst, int ddepth, size_t width, size_t height, double alpha, double beta, const cudaStream_t & stream = 0);
        }
    }
}

#if defined(__GNUC__)
    #define cudaSafeCall(expr)  ___cudaSafeCall(expr, __FILE__, __LINE__, __func__);
#else /* defined(__CUDACC__) || defined(__MSVC__) */
    #define cudaSafeCall(expr)  ___cudaSafeCall(expr, __FILE__, __LINE__)
#endif

    static inline void ___cudaSafeCall(cudaError_t err, const char *file, const int line, const char *func = "")
    {
        if( cudaSuccess != err)
            cv::gpu::error(cudaGetErrorString(err), file, line, func);
    }

#endif /* __OPENCV_CUDA_SHARED_HPP__ */