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43
44#pragma once
45
46#ifndef __OPENCV_CUDEV_PTR2D_ZIP_HPP__
47#define __OPENCV_CUDEV_PTR2D_ZIP_HPP__
48
49#include "../common.hpp"
50#include "../util/tuple.hpp"
51#include "traits.hpp"
52
53namespace cv { namespace cudev {
54
55//! @addtogroup cudev
56//! @{
57
58template <class PtrTuple> struct ZipPtr;
59
60template <class Ptr0, class Ptr1> struct ZipPtr< tuple<Ptr0, Ptr1> > : tuple<Ptr0, Ptr1>
61{
62    typedef tuple<typename PtrTraits<Ptr0>::value_type,
63                  typename PtrTraits<Ptr1>::value_type> value_type;
64    typedef typename PtrTraits<Ptr0>::index_type        index_type;
65
66    __host__ __device__ __forceinline__ ZipPtr() {}
67    __host__ __device__ __forceinline__ ZipPtr(const tuple<Ptr0, Ptr1>& t) : tuple<Ptr0, Ptr1>(t) {}
68
69    __device__ __forceinline__ value_type operator ()(index_type y, index_type x) const
70    {
71        return make_tuple(cv::cudev::get<0>(*this)(y, x), cv::cudev::get<1>(*this)(y, x));
72    }
73};
74
75template <class Ptr0, class Ptr1, class Ptr2> struct ZipPtr< tuple<Ptr0, Ptr1, Ptr2> > : tuple<Ptr0, Ptr1, Ptr2>
76{
77    typedef tuple<typename PtrTraits<Ptr0>::value_type,
78                  typename PtrTraits<Ptr1>::value_type,
79                  typename PtrTraits<Ptr2>::value_type> value_type;
80    typedef typename PtrTraits<Ptr0>::index_type        index_type;
81
82    __host__ __device__ __forceinline__ ZipPtr() {}
83    __host__ __device__ __forceinline__ ZipPtr(const tuple<Ptr0, Ptr1, Ptr2>& t) : tuple<Ptr0, Ptr1, Ptr2>(t) {}
84
85    __device__ __forceinline__ value_type operator ()(index_type y, index_type x) const
86    {
87        return make_tuple(cv::cudev::get<0>(*this)(y, x), cv::cudev::get<1>(*this)(y, x), cv::cudev::get<2>(*this)(y, x));
88    }
89};
90
91template <class Ptr0, class Ptr1, class Ptr2, class Ptr3> struct ZipPtr< tuple<Ptr0, Ptr1, Ptr2, Ptr3> > : tuple<Ptr0, Ptr1, Ptr2, Ptr3>
92{
93    typedef tuple<typename PtrTraits<Ptr0>::value_type,
94                  typename PtrTraits<Ptr1>::value_type,
95                  typename PtrTraits<Ptr2>::value_type,
96                  typename PtrTraits<Ptr3>::value_type> value_type;
97    typedef typename PtrTraits<Ptr0>::index_type        index_type;
98
99    __host__ __device__ __forceinline__ ZipPtr() {}
100    __host__ __device__ __forceinline__ ZipPtr(const tuple<Ptr0, Ptr1, Ptr2, Ptr3>& t) : tuple<Ptr0, Ptr1, Ptr2, Ptr3>(t) {}
101
102    __device__ __forceinline__ value_type operator ()(index_type y, index_type x) const
103    {
104        return make_tuple(cv::cudev::get<0>(*this)(y, x), cv::cudev::get<1>(*this)(y, x), cv::cudev::get<2>(*this)(y, x), cv::cudev::get<3>(*this)(y, x));
105    }
106};
107
108template <class PtrTuple> struct ZipPtrSz : ZipPtr<PtrTuple>
109{
110    int rows, cols;
111
112    __host__ __device__ __forceinline__ ZipPtrSz() {}
113    __host__ __device__ __forceinline__ ZipPtrSz(const PtrTuple& t) : ZipPtr<PtrTuple>(t) {}
114};
115
116template <class Ptr0, class Ptr1>
117__host__ ZipPtrSz< tuple<typename PtrTraits<Ptr0>::ptr_type, typename PtrTraits<Ptr1>::ptr_type> >
118zipPtr(const Ptr0& ptr0, const Ptr1& ptr1)
119{
120    const int rows = getRows(ptr0);
121    const int cols = getCols(ptr0);
122
123    CV_Assert( getRows(ptr1) == rows && getCols(ptr1) == cols );
124
125    ZipPtrSz< tuple<typename PtrTraits<Ptr0>::ptr_type, typename PtrTraits<Ptr1>::ptr_type> >
126            z(make_tuple(shrinkPtr(ptr0), shrinkPtr(ptr1)));
127    z.rows = rows;
128    z.cols = cols;
129
130    return z;
131}
132
133template <class Ptr0, class Ptr1, class Ptr2>
134__host__ ZipPtrSz< tuple<typename PtrTraits<Ptr0>::ptr_type, typename PtrTraits<Ptr1>::ptr_type, typename PtrTraits<Ptr2>::ptr_type> >
135zipPtr(const Ptr0& ptr0, const Ptr1& ptr1, const Ptr2& ptr2)
136{
137    const int rows = getRows(ptr0);
138    const int cols = getCols(ptr0);
139
140    CV_Assert( getRows(ptr1) == rows && getCols(ptr1) == cols );
141    CV_Assert( getRows(ptr2) == rows && getCols(ptr2) == cols );
142
143    ZipPtrSz< tuple<typename PtrTraits<Ptr0>::ptr_type, typename PtrTraits<Ptr1>::ptr_type, typename PtrTraits<Ptr2>::ptr_type> >
144            z(make_tuple(shrinkPtr(ptr0), shrinkPtr(ptr1), shrinkPtr(ptr2)));
145    z.rows = rows;
146    z.cols = cols;
147
148    return z;
149}
150
151template <class Ptr0, class Ptr1, class Ptr2, class Ptr3>
152__host__ ZipPtrSz< tuple<typename PtrTraits<Ptr0>::ptr_type, typename PtrTraits<Ptr1>::ptr_type, typename PtrTraits<Ptr2>::ptr_type, typename PtrTraits<Ptr3>::ptr_type> >
153zipPtr(const Ptr0& ptr0, const Ptr1& ptr1, const Ptr2& ptr2, const Ptr3& ptr3)
154{
155    const int rows = getRows(ptr0);
156    const int cols = getCols(ptr0);
157
158    CV_Assert( getRows(ptr1) == rows && getCols(ptr1) == cols );
159    CV_Assert( getRows(ptr2) == rows && getCols(ptr2) == cols );
160    CV_Assert( getRows(ptr3) == rows && getCols(ptr3) == cols );
161
162    ZipPtrSz< tuple<typename PtrTraits<Ptr0>::ptr_type, typename PtrTraits<Ptr1>::ptr_type, typename PtrTraits<Ptr2>::ptr_type, typename PtrTraits<Ptr3>::ptr_type> >
163            z(make_tuple(shrinkPtr(ptr0), shrinkPtr(ptr1), shrinkPtr(ptr2), shrinkPtr(ptr3)));
164    z.rows = rows;
165    z.cols = cols;
166
167    return z;
168}
169
170template <class PtrTuple> struct PtrTraits< ZipPtrSz<PtrTuple> > : PtrTraitsBase<ZipPtrSz<PtrTuple>, ZipPtr<PtrTuple> >
171{
172};
173
174//! @}
175
176}}
177
178#endif
179