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43 
44 #pragma once
45 
46 #ifndef __OPENCV_CUDEV_GRID_TRANSPOSE_HPP__
47 #define __OPENCV_CUDEV_GRID_TRANSPOSE_HPP__
48 
49 #include "../common.hpp"
50 #include "../ptr2d/traits.hpp"
51 #include "../ptr2d/gpumat.hpp"
52 #include "../ptr2d/glob.hpp"
53 #include "detail/transpose.hpp"
54 
55 namespace cv { namespace cudev {
56 
57 //! @addtogroup cudev
58 //! @{
59 
60 template <class Policy, class SrcPtr, typename DstType>
gridTranspose_(const SrcPtr & src,GpuMat_<DstType> & dst,Stream & stream=Stream::Null ())61 __host__ void gridTranspose_(const SrcPtr& src, GpuMat_<DstType>& dst, Stream& stream = Stream::Null())
62 {
63     const int rows = getRows(src);
64     const int cols = getCols(src);
65 
66     dst.create(cols, rows);
67 
68     transpose_detail::transpose<Policy>(shrinkPtr(src), shrinkPtr(dst), rows, cols, StreamAccessor::getStream(stream));
69 }
70 
71 template <class Policy, class SrcPtr, typename DstType>
gridTranspose_(const SrcPtr & src,const GlobPtrSz<DstType> & dst,Stream & stream=Stream::Null ())72 __host__ void gridTranspose_(const SrcPtr& src, const GlobPtrSz<DstType>& dst, Stream& stream = Stream::Null())
73 {
74     const int rows = getRows(src);
75     const int cols = getCols(src);
76 
77     CV_Assert( getRows(dst) == cols && getCols(dst) == rows );
78 
79     transpose_detail::transpose<Policy>(shrinkPtr(src), shrinkPtr(dst), rows, cols, StreamAccessor::getStream(stream));
80 }
81 
82 // Default Policy
83 
84 struct DefaultTransposePolicy
85 {
86     enum {
87         tile_dim    = 16,
88         block_dim_y = 16
89     };
90 };
91 
92 template <class SrcPtr, typename DstType>
gridTranspose(const SrcPtr & src,GpuMat_<DstType> & dst,Stream & stream=Stream::Null ())93 __host__ void gridTranspose(const SrcPtr& src, GpuMat_<DstType>& dst, Stream& stream = Stream::Null())
94 {
95     gridTranspose_<DefaultTransposePolicy>(src, dst, stream);
96 }
97 
98 template <class SrcPtr, typename DstType>
gridTranspose(const SrcPtr & src,const GlobPtrSz<DstType> & dst,Stream & stream=Stream::Null ())99 __host__ void gridTranspose(const SrcPtr& src, const GlobPtrSz<DstType>& dst, Stream& stream = Stream::Null())
100 {
101     gridTranspose_<DefaultTransposePolicy>(src, dst, stream);
102 }
103 
104 //! @}
105 
106 }}
107 
108 #endif
109