constant.hpp 3.1 KB

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  43. #pragma once
  44. #ifndef OPENCV_CUDEV_PTR2D_CONSTANT_HPP
  45. #define OPENCV_CUDEV_PTR2D_CONSTANT_HPP
  46. #include "../common.hpp"
  47. #include "traits.hpp"
  48. namespace cv { namespace cudev {
  49. //! @addtogroup cudev
  50. //! @{
  51. template <typename T> struct ConstantPtr
  52. {
  53. typedef T value_type;
  54. typedef int index_type;
  55. T value;
  56. __device__ __forceinline__ T operator ()(int, int) const { return value; }
  57. };
  58. template <typename T> struct ConstantPtrSz : ConstantPtr<T>
  59. {
  60. int rows, cols;
  61. };
  62. template <typename T>
  63. __host__ ConstantPtr<T> constantPtr(T value)
  64. {
  65. ConstantPtr<T> p;
  66. p.value = value;
  67. return p;
  68. }
  69. template <typename T> ConstantPtrSz<T>
  70. __host__ constantPtr(T value, int rows, int cols)
  71. {
  72. ConstantPtrSz<T> p;
  73. p.value = value;
  74. p.rows = rows;
  75. p.cols = cols;
  76. return p;
  77. }
  78. template <typename T> struct PtrTraits< ConstantPtrSz<T> > : PtrTraitsBase< ConstantPtrSz<T>, ConstantPtr<T> >
  79. {
  80. };
  81. //! @}
  82. }}
  83. #endif