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#ifndef __OPENCV_CUDA_SHARED_HPP__
#define __OPENCV_CUDA_SHARED_HPP__

#include "opencv2/gpu/devmem2d.hpp"
#include "safe_call.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;

        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& src, DevMem2D dst, int depth, const DevMem2D& mask, int channels, const cudaStream_t & stream = 0);

            extern "C" void set_to_without_mask (DevMem2D dst, int depth, const double *scalar, int channels, const cudaStream_t & stream = 0);
            extern "C" void set_to_with_mask    (DevMem2D dst, 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, int channels, double alpha, double beta, const cudaStream_t & stream = 0);
        }

        template<class T> 
        inline void uploadConstant(const char* name, const T& value) { cudaSafeCall( cudaMemcpyToSymbol(name, &value, sizeof(T)) ); }

    }
}


#endif /* __OPENCV_CUDA_SHARED_HPP__ */