1 /*
2 * Copyright (c) 2017-2020 Arm Limited.
3 *
4 * SPDX-License-Identifier: MIT
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to
8 * deal in the Software without restriction, including without limitation the
9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in all
14 * copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 */
24 #include "src/core/AccessWindowAutoPadding.h"
25
26 #include "arm_compute/core/ITensorInfo.h"
27 #include "arm_compute/core/Window.h"
28
29 using namespace arm_compute;
30
AccessWindowAutoPadding(ITensorInfo * info)31 AccessWindowAutoPadding::AccessWindowAutoPadding(ITensorInfo *info)
32 : _info(info)
33 {
34 }
35
compute_valid_region(const Window & window,ValidRegion input_valid_region,bool border_undefined,BorderSize border_size) const36 ValidRegion AccessWindowAutoPadding::compute_valid_region(const Window &window, ValidRegion input_valid_region, bool border_undefined, BorderSize border_size) const
37 {
38 ARM_COMPUTE_UNUSED(window);
39 ARM_COMPUTE_UNUSED(input_valid_region);
40 ARM_COMPUTE_UNUSED(border_undefined);
41 ARM_COMPUTE_UNUSED(border_size);
42
43 return compute_valid_region();
44 }
45
compute_valid_region() const46 ValidRegion AccessWindowAutoPadding::compute_valid_region() const
47 {
48 if(_info == nullptr)
49 {
50 return ValidRegion{};
51 }
52
53 return ValidRegion{ Coordinates(), _info->tensor_shape() };
54 }
55
set_valid_region()56 void AccessWindowAutoPadding::set_valid_region()
57 {
58 if(_info == nullptr)
59 {
60 return;
61 }
62
63 _info->set_valid_region(compute_valid_region());
64 }
65
update_window_if_needed(Window & window) const66 bool AccessWindowAutoPadding::update_window_if_needed(Window &window) const
67 {
68 ARM_COMPUTE_UNUSED(window);
69
70 return false;
71 }
72
update_padding_if_needed(const Window & window)73 bool AccessWindowAutoPadding::update_padding_if_needed(const Window &window)
74 {
75 ARM_COMPUTE_UNUSED(window);
76
77 // Only update the padding if the tensor allows it
78 if(_info == nullptr || !_info->is_resizable())
79 {
80 return false;
81 }
82
83 // Update strides in tensor info
84 return _info->auto_padding();
85 }
86