Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2016, 2017 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 "arm_compute/core/Helpers.h" |
| 25 | |
| 26 | #include "arm_compute/core/Error.h" |
| 27 | #include "arm_compute/core/IKernel.h" |
| 28 | #include "arm_compute/core/ITensorInfo.h" |
| 29 | #include "arm_compute/core/Utils.h" |
| 30 | |
| 31 | #include <algorithm> |
| 32 | #include <cstdint> |
| 33 | |
| 34 | using namespace arm_compute; |
| 35 | |
| 36 | Window arm_compute::calculate_max_window(const ITensorInfo &info, const Steps &steps, bool skip_border, BorderSize border_size) |
| 37 | { |
| 38 | if(!skip_border) |
| 39 | { |
| 40 | border_size = BorderSize(0); |
| 41 | } |
| 42 | |
| 43 | const Coordinates &anchor = info.valid_region().anchor; |
| 44 | const TensorShape &shape = info.valid_region().shape; |
| 45 | |
| 46 | Window window; |
| 47 | |
| 48 | window.set(0, Window::Dimension( |
| 49 | // Skip the border left of the image |
| 50 | anchor[0] + border_size.left, |
| 51 | // Skip the border right of the image |
| 52 | // Make sure the window width is a multiple of the step size |
Moritz Pflanzer | a184836 | 2017-08-25 12:30:03 +0100 | [diff] [blame] | 53 | anchor[0] + border_size.left + ceil_to_multiple(std::max(0, static_cast<int>(shape[0]) - static_cast<int>(border_size.left) - static_cast<int>(border_size.right)), steps[0]), |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 54 | steps[0])); |
| 55 | |
| 56 | size_t n = 1; |
| 57 | const TensorShape &tensor_shape = info.tensor_shape(); |
| 58 | |
| 59 | if(tensor_shape.num_dimensions() > 1) |
| 60 | { |
| 61 | window.set(1, Window::Dimension( |
| 62 | // Skip the border above the image |
| 63 | anchor[1] + border_size.top, |
| 64 | // Skip the border below the image |
Moritz Pflanzer | a184836 | 2017-08-25 12:30:03 +0100 | [diff] [blame] | 65 | anchor[1] + border_size.top + ceil_to_multiple(std::max(0, static_cast<int>(shape[1]) - static_cast<int>(border_size.top) - static_cast<int>(border_size.bottom)), steps[1]), |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 66 | steps[1])); |
| 67 | |
| 68 | ++n; |
| 69 | } |
| 70 | |
| 71 | for(; n < Coordinates::num_max_dimensions; ++n) |
| 72 | { |
| 73 | window.set(n, Window::Dimension(0, std::max<size_t>(1, tensor_shape[n]))); |
| 74 | } |
| 75 | |
| 76 | return window; |
| 77 | } |
| 78 | |
| 79 | Window arm_compute::calculate_max_enlarged_window(const ITensorInfo &info, const Steps &steps, BorderSize border_size) |
| 80 | { |
| 81 | const Coordinates &anchor = info.valid_region().anchor; |
| 82 | const TensorShape &shape = info.valid_region().shape; |
| 83 | |
| 84 | Window window; |
| 85 | |
| 86 | window.set(0, Window::Dimension( |
| 87 | // move the anchor to the start from the border |
| 88 | anchor[0] - border_size.left, |
| 89 | // move the anchor to include the right end border |
| 90 | // Make sure the window width is a multiple of the step size |
| 91 | anchor[0] - border_size.left + ceil_to_multiple(shape[0] + border_size.left + border_size.right, steps[0]), |
| 92 | steps[0])); |
| 93 | |
| 94 | size_t n = 1; |
| 95 | const TensorShape &tensor_shape = info.tensor_shape(); |
| 96 | |
| 97 | if(tensor_shape.num_dimensions() > 1) |
| 98 | { |
| 99 | window.set(1, Window::Dimension( |
| 100 | // Include the border above the image |
| 101 | anchor[1] - border_size.top, |
| 102 | // Include the border below the image |
| 103 | anchor[1] - border_size.top + ceil_to_multiple(shape[1] + border_size.top + border_size.bottom, steps[1]), |
| 104 | steps[1])); |
| 105 | |
| 106 | ++n; |
| 107 | } |
| 108 | |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 109 | if(tensor_shape.num_dimensions() > 2) |
| 110 | { |
| 111 | window.set(2, Window::Dimension(0, std::max<size_t>(1, tensor_shape[n]), steps[2])); |
| 112 | |
| 113 | ++n; |
| 114 | } |
| 115 | |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 116 | for(; n < Coordinates::num_max_dimensions; ++n) |
| 117 | { |
| 118 | window.set(n, Window::Dimension(0, std::max<size_t>(1, tensor_shape[n]))); |
| 119 | } |
| 120 | |
| 121 | return window; |
| 122 | } |
| 123 | |
| 124 | Window arm_compute::calculate_max_window_horizontal(const ITensorInfo &info, const Steps &steps, bool skip_border, BorderSize border_size) |
| 125 | { |
| 126 | if(skip_border) |
| 127 | { |
| 128 | border_size.top = 0; |
| 129 | border_size.bottom = 0; |
| 130 | } |
| 131 | else |
| 132 | { |
| 133 | border_size.left = 0; |
| 134 | border_size.right = 0; |
| 135 | } |
| 136 | |
| 137 | const Coordinates &anchor = info.valid_region().anchor; |
| 138 | const TensorShape &shape = info.valid_region().shape; |
| 139 | |
| 140 | Window window; |
| 141 | |
| 142 | window.set(0, Window::Dimension( |
| 143 | // Skip the border left of the image |
| 144 | anchor[0] + border_size.left, |
| 145 | // Skip the border right of the image |
| 146 | // Make sure the window width is a multiple of the step size |
Moritz Pflanzer | a184836 | 2017-08-25 12:30:03 +0100 | [diff] [blame] | 147 | anchor[0] + border_size.left + ceil_to_multiple(std::max(0, static_cast<int>(shape[0]) - static_cast<int>(border_size.left) - static_cast<int>(border_size.right)), steps[0]), |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 148 | steps[0])); |
| 149 | |
| 150 | size_t n = 1; |
| 151 | const TensorShape &tensor_shape = info.tensor_shape(); |
| 152 | |
| 153 | if(tensor_shape.num_dimensions() > 1) |
| 154 | { |
| 155 | window.set(1, Window::Dimension( |
| 156 | // Skip the border above the image |
| 157 | anchor[1] - border_size.top, |
| 158 | // Skip the border below the image |
| 159 | anchor[1] + shape[1] + border_size.bottom, |
| 160 | 1)); |
| 161 | |
| 162 | ++n; |
| 163 | } |
| 164 | |
| 165 | for(; n < Coordinates::num_max_dimensions; ++n) |
| 166 | { |
| 167 | window.set(n, Window::Dimension(0, std::max<size_t>(1, tensor_shape[n]))); |
| 168 | } |
| 169 | |
| 170 | return window; |
| 171 | } |