Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1 | /* |
Diego Lopez Recas | ff860cf | 2018-02-22 13:08:01 +0000 | [diff] [blame] | 2 | * Copyright (c) 2016-2018 ARM Limited. |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 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 | |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 26 | using namespace arm_compute; |
| 27 | |
Diego Lopez Recas | bcbc970 | 2017-12-18 11:28:27 +0000 | [diff] [blame] | 28 | Window arm_compute::calculate_max_window(const ValidRegion &valid_region, const Steps &steps, bool skip_border, BorderSize border_size) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 29 | { |
| 30 | if(!skip_border) |
| 31 | { |
| 32 | border_size = BorderSize(0); |
| 33 | } |
| 34 | |
Diego Lopez Recas | bcbc970 | 2017-12-18 11:28:27 +0000 | [diff] [blame] | 35 | const Coordinates &anchor = valid_region.anchor; |
| 36 | const TensorShape &shape = valid_region.shape; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 37 | |
| 38 | Window window; |
| 39 | |
| 40 | window.set(0, Window::Dimension( |
| 41 | // Skip the border left of the image |
| 42 | anchor[0] + border_size.left, |
| 43 | // Skip the border right of the image |
| 44 | // Make sure the window width is a multiple of the step size |
Moritz Pflanzer | a184836 | 2017-08-25 12:30:03 +0100 | [diff] [blame] | 45 | 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] | 46 | steps[0])); |
| 47 | |
Diego Lopez Recas | bcbc970 | 2017-12-18 11:28:27 +0000 | [diff] [blame] | 48 | size_t n = 1; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 49 | |
Diego Lopez Recas | bcbc970 | 2017-12-18 11:28:27 +0000 | [diff] [blame] | 50 | if(anchor.num_dimensions() > 1) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 51 | { |
| 52 | window.set(1, Window::Dimension( |
| 53 | // Skip the border above the image |
| 54 | anchor[1] + border_size.top, |
| 55 | // Skip the border below the image |
Moritz Pflanzer | a184836 | 2017-08-25 12:30:03 +0100 | [diff] [blame] | 56 | 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] | 57 | steps[1])); |
| 58 | |
| 59 | ++n; |
| 60 | } |
| 61 | |
Giorgio Arena | dcb5b28 | 2018-04-25 12:07:29 +0100 | [diff] [blame] | 62 | if(anchor.num_dimensions() > 2) |
| 63 | { |
| 64 | window.set(2, Window::Dimension(anchor[2], std::max<size_t>(1, shape[2]), steps[2])); |
| 65 | |
| 66 | ++n; |
| 67 | } |
| 68 | |
Diego Lopez Recas | bcbc970 | 2017-12-18 11:28:27 +0000 | [diff] [blame] | 69 | for(; n < anchor.num_dimensions(); ++n) |
| 70 | { |
| 71 | window.set(n, Window::Dimension(anchor[n], std::max<size_t>(1, shape[n]))); |
| 72 | } |
| 73 | |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 74 | for(; n < Coordinates::num_max_dimensions; ++n) |
| 75 | { |
Diego Lopez Recas | bcbc970 | 2017-12-18 11:28:27 +0000 | [diff] [blame] | 76 | window.set(n, Window::Dimension(0, 1)); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 77 | } |
| 78 | |
| 79 | return window; |
| 80 | } |
| 81 | |
Diego Lopez Recas | bcbc970 | 2017-12-18 11:28:27 +0000 | [diff] [blame] | 82 | Window arm_compute::calculate_max_enlarged_window(const ValidRegion &valid_region, const Steps &steps, BorderSize border_size) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 83 | { |
Diego Lopez Recas | bcbc970 | 2017-12-18 11:28:27 +0000 | [diff] [blame] | 84 | const Coordinates &anchor = valid_region.anchor; |
| 85 | const TensorShape &shape = valid_region.shape; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 86 | |
| 87 | Window window; |
| 88 | |
| 89 | window.set(0, Window::Dimension( |
| 90 | // move the anchor to the start from the border |
| 91 | anchor[0] - border_size.left, |
| 92 | // move the anchor to include the right end border |
| 93 | // Make sure the window width is a multiple of the step size |
| 94 | anchor[0] - border_size.left + ceil_to_multiple(shape[0] + border_size.left + border_size.right, steps[0]), |
| 95 | steps[0])); |
| 96 | |
Diego Lopez Recas | bcbc970 | 2017-12-18 11:28:27 +0000 | [diff] [blame] | 97 | size_t n = 1; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 98 | |
Diego Lopez Recas | bcbc970 | 2017-12-18 11:28:27 +0000 | [diff] [blame] | 99 | if(anchor.num_dimensions() > 1) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 100 | { |
| 101 | window.set(1, Window::Dimension( |
| 102 | // Include the border above the image |
| 103 | anchor[1] - border_size.top, |
| 104 | // Include the border below the image |
| 105 | anchor[1] - border_size.top + ceil_to_multiple(shape[1] + border_size.top + border_size.bottom, steps[1]), |
| 106 | steps[1])); |
| 107 | |
| 108 | ++n; |
| 109 | } |
| 110 | |
Diego Lopez Recas | bcbc970 | 2017-12-18 11:28:27 +0000 | [diff] [blame] | 111 | if(anchor.num_dimensions() > 2) |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 112 | { |
Diego Lopez Recas | bcbc970 | 2017-12-18 11:28:27 +0000 | [diff] [blame] | 113 | window.set(2, Window::Dimension(0, std::max<size_t>(1, shape[n]), steps[2])); |
Anthony Barbier | 7068f99 | 2017-10-26 15:23:08 +0100 | [diff] [blame] | 114 | |
| 115 | ++n; |
| 116 | } |
| 117 | |
Diego Lopez Recas | bcbc970 | 2017-12-18 11:28:27 +0000 | [diff] [blame] | 118 | for(; n < anchor.num_dimensions(); ++n) |
| 119 | { |
| 120 | window.set(n, Window::Dimension(anchor[n], std::max<size_t>(1, shape[n]))); |
| 121 | } |
| 122 | |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 123 | for(; n < Coordinates::num_max_dimensions; ++n) |
| 124 | { |
Diego Lopez Recas | bcbc970 | 2017-12-18 11:28:27 +0000 | [diff] [blame] | 125 | window.set(n, Window::Dimension(0, 1)); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 126 | } |
| 127 | |
| 128 | return window; |
| 129 | } |
| 130 | |
Diego Lopez Recas | bcbc970 | 2017-12-18 11:28:27 +0000 | [diff] [blame] | 131 | Window arm_compute::calculate_max_window_horizontal(const ValidRegion &valid_region, const Steps &steps, bool skip_border, BorderSize border_size) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 132 | { |
| 133 | if(skip_border) |
| 134 | { |
| 135 | border_size.top = 0; |
| 136 | border_size.bottom = 0; |
| 137 | } |
| 138 | else |
| 139 | { |
| 140 | border_size.left = 0; |
| 141 | border_size.right = 0; |
| 142 | } |
| 143 | |
Diego Lopez Recas | bcbc970 | 2017-12-18 11:28:27 +0000 | [diff] [blame] | 144 | const Coordinates &anchor = valid_region.anchor; |
| 145 | const TensorShape &shape = valid_region.shape; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 146 | |
| 147 | Window window; |
| 148 | |
| 149 | window.set(0, Window::Dimension( |
| 150 | // Skip the border left of the image |
| 151 | anchor[0] + border_size.left, |
| 152 | // Skip the border right of the image |
| 153 | // Make sure the window width is a multiple of the step size |
Moritz Pflanzer | a184836 | 2017-08-25 12:30:03 +0100 | [diff] [blame] | 154 | 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] | 155 | steps[0])); |
| 156 | |
Diego Lopez Recas | bcbc970 | 2017-12-18 11:28:27 +0000 | [diff] [blame] | 157 | size_t n = 1; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 158 | |
Diego Lopez Recas | bcbc970 | 2017-12-18 11:28:27 +0000 | [diff] [blame] | 159 | if(anchor.num_dimensions() > 1) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 160 | { |
| 161 | window.set(1, Window::Dimension( |
| 162 | // Skip the border above the image |
| 163 | anchor[1] - border_size.top, |
| 164 | // Skip the border below the image |
| 165 | anchor[1] + shape[1] + border_size.bottom, |
| 166 | 1)); |
| 167 | |
| 168 | ++n; |
| 169 | } |
| 170 | |
Diego Lopez Recas | bcbc970 | 2017-12-18 11:28:27 +0000 | [diff] [blame] | 171 | for(; n < anchor.num_dimensions(); ++n) |
| 172 | { |
| 173 | window.set(n, Window::Dimension(anchor[n], std::max<size_t>(1, shape[n]))); |
| 174 | } |
| 175 | |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 176 | for(; n < Coordinates::num_max_dimensions; ++n) |
| 177 | { |
Diego Lopez Recas | bcbc970 | 2017-12-18 11:28:27 +0000 | [diff] [blame] | 178 | window.set(n, Window::Dimension(0, 1)); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 179 | } |
| 180 | |
| 181 | return window; |
| 182 | } |
Diego Lopez Recas | 0085429 | 2018-02-22 13:08:01 +0000 | [diff] [blame] | 183 | |
| 184 | ValidRegion arm_compute::calculate_valid_region_scale(const ITensorInfo &src_info, const TensorShape &dst_shape, |
| 185 | InterpolationPolicy interpolate_policy, SamplingPolicy sampling_policy, bool border_undefined) |
| 186 | { |
Georgios Pinitas | 393fa4c | 2018-05-08 15:54:53 +0100 | [diff] [blame] | 187 | const DataLayout data_layout = src_info.data_layout(); |
| 188 | const int idx_width = get_data_layout_dimension_index(data_layout, DataLayoutDimension::WIDTH); |
| 189 | const int idx_height = get_data_layout_dimension_index(data_layout, DataLayoutDimension::HEIGHT); |
| 190 | |
| 191 | const float scale_x = static_cast<float>(dst_shape[idx_width]) / src_info.tensor_shape()[idx_width]; |
| 192 | const float scale_y = static_cast<float>(dst_shape[idx_height]) / src_info.tensor_shape()[idx_height]; |
Diego Lopez Recas | 0085429 | 2018-02-22 13:08:01 +0000 | [diff] [blame] | 193 | const float sampling_point = (sampling_policy == SamplingPolicy::CENTER) ? 0.5f : 0.0f; |
| 194 | |
| 195 | // Get input's valid region start and end points |
Georgios Pinitas | 393fa4c | 2018-05-08 15:54:53 +0100 | [diff] [blame] | 196 | const int valid_start_in_x = src_info.valid_region().anchor[idx_width]; |
| 197 | const int valid_start_in_y = src_info.valid_region().anchor[idx_height]; |
| 198 | const int valid_end_in_x = src_info.valid_region().anchor[idx_width] + src_info.valid_region().shape[idx_width]; |
| 199 | const int valid_end_in_y = src_info.valid_region().anchor[idx_height] + src_info.valid_region().shape[idx_height]; |
Diego Lopez Recas | 0085429 | 2018-02-22 13:08:01 +0000 | [diff] [blame] | 200 | |
| 201 | // Initialize output's valid region start and end points |
| 202 | auto valid_start_out_x = static_cast<int>(valid_start_in_x * scale_x); |
| 203 | auto valid_start_out_y = static_cast<int>(valid_start_in_y * scale_y); |
Georgios Pinitas | 393fa4c | 2018-05-08 15:54:53 +0100 | [diff] [blame] | 204 | auto valid_end_out_x = std::min<int>(std::ceil(valid_end_in_x * scale_x), dst_shape[idx_width]); |
| 205 | auto valid_end_out_y = std::min<int>(std::ceil(valid_end_in_y * scale_y), dst_shape[idx_height]); |
Diego Lopez Recas | 0085429 | 2018-02-22 13:08:01 +0000 | [diff] [blame] | 206 | |
| 207 | // Handle valid points in case of the bi-linear interpolation |
| 208 | if(border_undefined) |
| 209 | { |
| 210 | switch(interpolate_policy) |
| 211 | { |
| 212 | case InterpolationPolicy::NEAREST_NEIGHBOR: |
| 213 | { |
| 214 | // (start_out + sampling_point) >= (start_in * scale) |
| 215 | // start_out = ceil((start_in * scale) - sampling_point) |
| 216 | valid_start_out_x = std::ceil(valid_start_in_x * scale_x - sampling_point); |
| 217 | valid_start_out_y = std::ceil(valid_start_in_y * scale_y - sampling_point); |
| 218 | |
| 219 | // (end_out - 1 + sampling_point) < (end_in * scale) |
| 220 | // end_out = ceil((end_in * scale) - sampling_point); // <-- ceil(x - 1) strictly less |
| 221 | valid_end_out_x = std::ceil(valid_end_in_x * scale_x - sampling_point); |
| 222 | valid_end_out_y = std::ceil(valid_end_in_y * scale_y - sampling_point); |
| 223 | break; |
| 224 | } |
| 225 | case InterpolationPolicy::BILINEAR: |
| 226 | { |
| 227 | // (start_out + sampling_point) >= ((start_in + sampling_point) * scale) |
| 228 | // start_out = ceil(((start_in + sampling_point) * scale) - sampling_point) |
| 229 | valid_start_out_x = std::ceil((valid_start_in_x + sampling_point) * scale_x - sampling_point); |
| 230 | valid_start_out_y = std::ceil((valid_start_in_y + sampling_point) * scale_y - sampling_point); |
| 231 | |
| 232 | // (end_out - 1 + sampling_point) <= ((end_in - 1 + sampling_point) * scale) |
| 233 | // end_out = floor(((end_in - 1 + sampling_point) * scale) - sampling_point + 1) |
| 234 | valid_end_out_x = std::floor((valid_end_in_x - 1.f + sampling_point) * scale_x - sampling_point + 1.f); |
| 235 | valid_end_out_y = std::floor((valid_end_in_y - 1.f + sampling_point) * scale_y - sampling_point + 1.f); |
| 236 | break; |
| 237 | } |
| 238 | case InterpolationPolicy::AREA: |
| 239 | break; |
| 240 | default: |
| 241 | { |
| 242 | ARM_COMPUTE_ERROR("Invalid InterpolationPolicy"); |
| 243 | break; |
| 244 | } |
| 245 | } |
| 246 | } |
| 247 | |
| 248 | // Setup output valid region |
| 249 | ValidRegion valid_region{ Coordinates(), dst_shape, src_info.tensor_shape().num_dimensions() }; |
| 250 | |
Georgios Pinitas | 393fa4c | 2018-05-08 15:54:53 +0100 | [diff] [blame] | 251 | valid_region.anchor.set(idx_width, std::max(0, valid_start_out_x)); |
| 252 | valid_region.anchor.set(idx_height, std::max(0, valid_start_out_y)); |
Diego Lopez Recas | 0085429 | 2018-02-22 13:08:01 +0000 | [diff] [blame] | 253 | |
Georgios Pinitas | 393fa4c | 2018-05-08 15:54:53 +0100 | [diff] [blame] | 254 | valid_region.shape.set(idx_width, std::min<size_t>(valid_end_out_x - valid_start_out_x, dst_shape[idx_width])); |
| 255 | valid_region.shape.set(idx_height, std::min<size_t>(valid_end_out_y - valid_start_out_y, dst_shape[idx_height])); |
Diego Lopez Recas | 0085429 | 2018-02-22 13:08:01 +0000 | [diff] [blame] | 256 | |
| 257 | return valid_region; |
| 258 | } |