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43
44#ifndef __OPENCV_CORE_CUDALEGACY_PRIVATE_HPP__
45#define __OPENCV_CORE_CUDALEGACY_PRIVATE_HPP__
46
47#ifndef __OPENCV_BUILD
48#  error this is a private header which should not be used from outside of the OpenCV library
49#endif
50
51#include "opencv2/core/private.cuda.hpp"
52
53#ifndef HAVE_CUDA
54#  error cudalegacy module requires CUDA
55#endif
56
57#include "opencv2/cudalegacy.hpp"
58
59//! @cond IGNORED
60
61namespace cv { namespace cuda
62{
63    class NppStStreamHandler
64    {
65    public:
66        inline explicit NppStStreamHandler(cudaStream_t newStream = 0)
67        {
68            oldStream = nppStSetActiveCUDAstream(newStream);
69        }
70
71        inline ~NppStStreamHandler()
72        {
73            nppStSetActiveCUDAstream(oldStream);
74        }
75
76    private:
77        cudaStream_t oldStream;
78    };
79
80    CV_EXPORTS cv::String getNcvErrorMessage(int code);
81
82    static inline void checkNcvError(int err, const char* file, const int line, const char* func)
83    {
84        if (NCV_SUCCESS != err)
85        {
86            cv::String msg = getNcvErrorMessage(err);
87            cv::error(cv::Error::GpuApiCallError, msg, func, file, line);
88        }
89    }
90}}
91
92#define ncvSafeCall(expr)  cv::cuda::checkNcvError(expr, __FILE__, __LINE__, CV_Func)
93
94//! @endcond
95
96#endif // __OPENCV_CORE_CUDALEGACY_PRIVATE_HPP__
97