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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 
61 namespace cv { namespace cuda
62 {
63     class NppStStreamHandler
64     {
65     public:
NppStStreamHandler(cudaStream_t newStream=0)66         inline explicit NppStStreamHandler(cudaStream_t newStream = 0)
67         {
68             oldStream = nppStSetActiveCUDAstream(newStream);
69         }
70 
~NppStStreamHandler()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 
checkNcvError(int err,const char * file,const int line,const char * func)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