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43
44#pragma once
45
46#ifndef __OPENCV_CUDEV_PTR2D_CONSTANT_HPP__
47#define __OPENCV_CUDEV_PTR2D_CONSTANT_HPP__
48
49#include "../common.hpp"
50#include "traits.hpp"
51
52namespace cv { namespace cudev {
53
54//! @addtogroup cudev
55//! @{
56
57template <typename T> struct ConstantPtr
58{
59    typedef T   value_type;
60    typedef int index_type;
61
62    T value;
63
64    __device__ __forceinline__ T operator ()(int, int) const { return value; }
65};
66
67template <typename T> struct ConstantPtrSz : ConstantPtr<T>
68{
69    int rows, cols;
70};
71
72template <typename T>
73__host__ ConstantPtr<T> constantPtr(T value)
74{
75    ConstantPtr<T> p;
76    p.value = value;
77    return p;
78}
79
80template <typename T> ConstantPtrSz<T>
81__host__ constantPtr(T value, int rows, int cols)
82{
83    ConstantPtrSz<T> p;
84    p.value = value;
85    p.rows = rows;
86    p.cols = cols;
87    return p;
88}
89
90template <typename T> struct PtrTraits< ConstantPtrSz<T> > : PtrTraitsBase< ConstantPtrSz<T>, ConstantPtr<T> >
91{
92};
93
94//! @}
95
96}}
97
98#endif
99