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42 
43 #include "precomp.hpp"
44 
45 using namespace cv;
46 using namespace cv::cuda;
47 
48 #if !defined (HAVE_CUDA) || defined (CUDA_DISABLER)
49 
merge(const GpuMat *,size_t,OutputArray,Stream &)50 void cv::cuda::merge(const GpuMat*, size_t, OutputArray, Stream&) { throw_no_cuda(); }
merge(const std::vector<GpuMat> &,OutputArray,Stream &)51 void cv::cuda::merge(const std::vector<GpuMat>&, OutputArray, Stream&) { throw_no_cuda(); }
52 
split(InputArray,GpuMat *,Stream &)53 void cv::cuda::split(InputArray, GpuMat*, Stream&) { throw_no_cuda(); }
split(InputArray,std::vector<GpuMat> &,Stream &)54 void cv::cuda::split(InputArray, std::vector<GpuMat>&, Stream&) { throw_no_cuda(); }
55 
transpose(InputArray,OutputArray,Stream &)56 void cv::cuda::transpose(InputArray, OutputArray, Stream&) { throw_no_cuda(); }
57 
flip(InputArray,OutputArray,int,Stream &)58 void cv::cuda::flip(InputArray, OutputArray, int, Stream&) { throw_no_cuda(); }
59 
createLookUpTable(InputArray)60 Ptr<LookUpTable> cv::cuda::createLookUpTable(InputArray) { throw_no_cuda(); return Ptr<LookUpTable>(); }
61 
copyMakeBorder(InputArray,OutputArray,int,int,int,int,int,Scalar,Stream &)62 void cv::cuda::copyMakeBorder(InputArray, OutputArray, int, int, int, int, int, Scalar, Stream&) { throw_no_cuda(); }
63 
64 #else /* !defined (HAVE_CUDA) */
65 
66 ////////////////////////////////////////////////////////////////////////
67 // flip
68 
69 namespace
70 {
71     template<int DEPTH> struct NppTypeTraits;
72     template<> struct NppTypeTraits<CV_8U>  { typedef Npp8u npp_t; };
73     template<> struct NppTypeTraits<CV_8S>  { typedef Npp8s npp_t; };
74     template<> struct NppTypeTraits<CV_16U> { typedef Npp16u npp_t; };
75     template<> struct NppTypeTraits<CV_16S> { typedef Npp16s npp_t; };
76     template<> struct NppTypeTraits<CV_32S> { typedef Npp32s npp_t; };
77     template<> struct NppTypeTraits<CV_32F> { typedef Npp32f npp_t; };
78     template<> struct NppTypeTraits<CV_64F> { typedef Npp64f npp_t; };
79 
80     template <int DEPTH> struct NppMirrorFunc
81     {
82         typedef typename NppTypeTraits<DEPTH>::npp_t npp_t;
83 
84         typedef NppStatus (*func_t)(const npp_t* pSrc, int nSrcStep, npp_t* pDst, int nDstStep, NppiSize oROI, NppiAxis flip);
85     };
86 
87     template <int DEPTH, typename NppMirrorFunc<DEPTH>::func_t func> struct NppMirror
88     {
89         typedef typename NppMirrorFunc<DEPTH>::npp_t npp_t;
90 
call__anon495e0c080111::NppMirror91         static void call(const GpuMat& src, GpuMat& dst, int flipCode, cudaStream_t stream)
92         {
93             NppStreamHandler h(stream);
94 
95             NppiSize sz;
96             sz.width  = src.cols;
97             sz.height = src.rows;
98 
99             nppSafeCall( func(src.ptr<npp_t>(), static_cast<int>(src.step),
100                 dst.ptr<npp_t>(), static_cast<int>(dst.step), sz,
101                 (flipCode == 0 ? NPP_HORIZONTAL_AXIS : (flipCode > 0 ? NPP_VERTICAL_AXIS : NPP_BOTH_AXIS))) );
102 
103             if (stream == 0)
104                 cudaSafeCall( cudaDeviceSynchronize() );
105         }
106     };
107 }
108 
flip(InputArray _src,OutputArray _dst,int flipCode,Stream & stream)109 void cv::cuda::flip(InputArray _src, OutputArray _dst, int flipCode, Stream& stream)
110 {
111     typedef void (*func_t)(const GpuMat& src, GpuMat& dst, int flipCode, cudaStream_t stream);
112     static const func_t funcs[6][4] =
113     {
114         {NppMirror<CV_8U, nppiMirror_8u_C1R>::call, 0, NppMirror<CV_8U, nppiMirror_8u_C3R>::call, NppMirror<CV_8U, nppiMirror_8u_C4R>::call},
115         {0,0,0,0},
116         {NppMirror<CV_16U, nppiMirror_16u_C1R>::call, 0, NppMirror<CV_16U, nppiMirror_16u_C3R>::call, NppMirror<CV_16U, nppiMirror_16u_C4R>::call},
117         {0,0,0,0},
118         {NppMirror<CV_32S, nppiMirror_32s_C1R>::call, 0, NppMirror<CV_32S, nppiMirror_32s_C3R>::call, NppMirror<CV_32S, nppiMirror_32s_C4R>::call},
119         {NppMirror<CV_32F, nppiMirror_32f_C1R>::call, 0, NppMirror<CV_32F, nppiMirror_32f_C3R>::call, NppMirror<CV_32F, nppiMirror_32f_C4R>::call}
120     };
121 
122     GpuMat src = getInputMat(_src, stream);
123 
124     CV_Assert(src.depth() == CV_8U || src.depth() == CV_16U || src.depth() == CV_32S || src.depth() == CV_32F);
125     CV_Assert(src.channels() == 1 || src.channels() == 3 || src.channels() == 4);
126 
127     _dst.create(src.size(), src.type());
128     GpuMat dst = getOutputMat(_dst, src.size(), src.type(), stream);
129 
130     funcs[src.depth()][src.channels() - 1](src, dst, flipCode, StreamAccessor::getStream(stream));
131 
132     syncOutput(dst, _dst, stream);
133 }
134 
135 #endif /* !defined (HAVE_CUDA) */
136