1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
/*
* Copyright (c) 2016-2020 Arm Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef ARM_COMPUTE_NEWARPKERNEL_H
#define ARM_COMPUTE_NEWARPKERNEL_H
#include "arm_compute/core/Types.h"
#include "src/core/NEON/INEKernel.h"
#include <array>
#include <cstdint>
namespace arm_compute
{
class ITensor;
/** Common interface for warp affine and warp perspective */
class INEWarpKernel : public INEKernel
{
public:
/** Default constructor */
INEWarpKernel();
/** Prevent instances of this class from being copied (As this class contains pointers) */
INEWarpKernel(const INEWarpKernel &) = delete;
/** Prevent instances of this class from being copied (As this class contains pointers) */
INEWarpKernel &operator=(const INEWarpKernel &) = delete;
/** Allow instances of this class to be moved */
INEWarpKernel(INEWarpKernel &&) = default;
/** Allow instances of this class to be moved */
INEWarpKernel &operator=(INEWarpKernel &&) = default;
/** Default destructor */
~INEWarpKernel() = default;
/** Initialise the kernel's input, output and border mode.
*
* @param[in] input Source tensor. Data type supported: U8.
* @param[out] output Destination tensor. Data type supported: U8.
* @param[in] matrix The perspective or affine matrix to use. Must be 2x3 for affine and 3x3 for perspective of type float.
* The matrix argument requires 9 values, for the affine case the last 3 values are ignored.
* @param[in] border_mode Strategy to use for borders
* @param[in] constant_border_value Constant value used for filling the border.
*/
virtual void configure(const ITensor *input, ITensor *output, const std::array<float, 9> &matrix, BorderMode border_mode, uint8_t constant_border_value);
// Inherited methods overridden:
void run(const Window &window, const ThreadInfo &info) override;
// Inherited methods overridden:
BorderSize border_size() const override;
protected:
/** function to perform warp affine or warp perspective on the given window when border mode == UNDEFINED
*
* @param[in] window Region on which to execute the kernel
*/
virtual void warp_undefined(const Window &window) = 0;
/** function to perform warp affine or warp perspective on the given window when border mode == CONSTANT
*
* @param[in] window Region on which to execute the kernel
*/
virtual void warp_constant(const Window &window) = 0;
/** function to perform warp affine or warp perspective on the given window when border mode == REPLICATE
*
* @param[in] window Region on which to execute the kernel
*/
virtual void warp_replicate(const Window &window) = 0;
/** Common signature for all the specialised warp functions
*
* @param[in] window Region on which to execute the kernel.
*/
void (INEWarpKernel::*_func)(const Window &window);
const ITensor *_input; /**< Input Tensor */
ITensor *_output; /**< Output Tensor */
uint8_t _constant_border_value; /**< Constant value used for filling the border. This value is used for those pixels out of the ROI when the border mode is CONSTANT */
std::array<float, 9> _matrix; /**< The affine or perspective matrix. Must be 2x3 for warp affine or 3x3 for warp perspective of type float. */
};
/** Template interface for the kernel to compute warp affine
*
*/
template <InterpolationPolicy interpolation>
class NEWarpAffineKernel : public INEWarpKernel
{
private:
const char *name() const override
{
return "NEWarpAffineKernel";
}
// Inherited methods overridden:
void warp_undefined(const Window &window) override;
void warp_constant(const Window &window) override;
void warp_replicate(const Window &window) override;
};
/** Template interface for the kernel to compute warp perspective
*
*/
template <InterpolationPolicy interpolation>
class NEWarpPerspectiveKernel : public INEWarpKernel
{
private:
const char *name() const override
{
return "NEWarpPerspectiveKernel";
}
// Inherited methods overridden:
void warp_undefined(const Window &window) override;
void warp_constant(const Window &window) override;
void warp_replicate(const Window &window) override;
};
} // namespace arm_compute
#endif /*ARM_COMPUTE_NEWARPKERNEL_H */
|
