1 /*M///////////////////////////////////////////////////////////////////////////////////////
2 //
3 // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
4 //
5 // By downloading, copying, installing or using the software you agree to this license.
6 // If you do not agree to this license, do not download, install,
7 // copy or use the software.
8 //
9 //
10 // License Agreement
11 // For Open Source Computer Vision Library
12 //
13 // Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
14 // Copyright (C) 2009, Willow Garage Inc., all rights reserved.
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41 //M*/
42
43 #include "opencv2/opencv_modules.hpp"
44
45 #ifndef HAVE_OPENCV_CUDEV
46
47 #error "opencv_cudev is required"
48
49 #else
50
51 #include "opencv2/cudaarithm.hpp"
52 #include "opencv2/cudev.hpp"
53 #include "opencv2/core/private.cuda.hpp"
54
55 using namespace cv;
56 using namespace cv::cuda;
57 using namespace cv::cudev;
58
transpose(InputArray _src,OutputArray _dst,Stream & stream)59 void cv::cuda::transpose(InputArray _src, OutputArray _dst, Stream& stream)
60 {
61 GpuMat src = getInputMat(_src, stream);
62
63 const size_t elemSize = src.elemSize();
64
65 CV_Assert( elemSize == 1 || elemSize == 4 || elemSize == 8 );
66
67 GpuMat dst = getOutputMat(_dst, src.cols, src.rows, src.type(), stream);
68
69 if (elemSize == 1)
70 {
71 NppStreamHandler h(StreamAccessor::getStream(stream));
72
73 NppiSize sz;
74 sz.width = src.cols;
75 sz.height = src.rows;
76
77 nppSafeCall( nppiTranspose_8u_C1R(src.ptr<Npp8u>(), static_cast<int>(src.step),
78 dst.ptr<Npp8u>(), static_cast<int>(dst.step), sz) );
79
80 if (!stream)
81 CV_CUDEV_SAFE_CALL( cudaDeviceSynchronize() );
82 }
83 else if (elemSize == 4)
84 {
85 gridTranspose(globPtr<int>(src), globPtr<int>(dst), stream);
86 }
87 else // if (elemSize == 8)
88 {
89 gridTranspose(globPtr<double>(src), globPtr<double>(dst), stream);
90 }
91
92 syncOutput(dst, _dst, stream);
93 }
94
95 #endif
96