Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1 | /* |
Michele Di Giorgio | d9eaf61 | 2020-07-08 11:12:57 +0100 | [diff] [blame] | 2 | * Copyright (c) 2016-2020 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/runtime/NEON/functions/NEScale.h" |
| 25 | |
| 26 | #include "arm_compute/core/Coordinates.h" |
| 27 | #include "arm_compute/core/Error.h" |
| 28 | #include "arm_compute/core/Helpers.h" |
| 29 | #include "arm_compute/core/ITensor.h" |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 30 | #include "arm_compute/core/PixelValue.h" |
| 31 | #include "arm_compute/core/TensorInfo.h" |
| 32 | #include "arm_compute/core/Window.h" |
Sang-Hoon Park | 94d5051 | 2020-07-02 10:49:39 +0100 | [diff] [blame] | 33 | #include "arm_compute/core/utils/misc/Rounding.h" |
Georgios Pinitas | 658039b | 2017-09-15 16:30:50 +0100 | [diff] [blame] | 34 | #include "arm_compute/runtime/NEON/NEScheduler.h" |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 35 | #include "arm_compute/runtime/TensorAllocator.h" |
| 36 | |
Sang-Hoon Park | 3687ee1 | 2020-06-24 13:34:04 +0100 | [diff] [blame] | 37 | #include "src/core/utils/ScaleUtils.h" |
| 38 | |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 39 | #include <cmath> |
| 40 | #include <cstddef> |
| 41 | #include <utility> |
| 42 | |
Sang-Hoon Park | ccd9496 | 2020-06-09 12:09:24 +0100 | [diff] [blame] | 43 | namespace arm_compute |
| 44 | { |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 45 | namespace |
| 46 | { |
Manuel Bottini | fc2f6d0 | 2020-08-26 16:28:38 +0100 | [diff] [blame^] | 47 | void precompute_dx_dy_offsets(ITensor *dx, ITensor *dy, ITensor *offsets, float wr, float hr, SamplingPolicy sampling_policy, bool align_corners) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 48 | { |
| 49 | ARM_COMPUTE_ERROR_ON(nullptr == offsets); |
Daniil Efremov | 02bf80d | 2017-11-22 00:26:51 +0700 | [diff] [blame] | 50 | ARM_COMPUTE_UNUSED(sampling_policy); |
Vidhya Sudhan Loganathan | 3ac2f3a | 2019-01-17 15:16:19 +0000 | [diff] [blame] | 51 | float sampling_offset = 0.0f; |
| 52 | if(sampling_policy == SamplingPolicy::CENTER) |
| 53 | { |
| 54 | sampling_offset = 0.5f; |
| 55 | } |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 56 | |
| 57 | Window win; |
| 58 | win.set(Window::DimX, Window::Dimension(0, offsets->info()->dimension(0), 1)); |
| 59 | win.set(Window::DimY, Window::Dimension(0, offsets->info()->dimension(1), 1)); |
| 60 | |
| 61 | if(dx != nullptr && dy != nullptr) |
| 62 | { |
| 63 | // Pre-compute the offset and pixel's distance for BILINEAR interpolation |
| 64 | Iterator offsets_it(offsets, win); |
| 65 | Iterator dx_it(dx, win); |
| 66 | Iterator dy_it(dy, win); |
| 67 | |
| 68 | execute_window_loop(win, [&](const Coordinates & id) |
| 69 | { |
Vidhya Sudhan Loganathan | 3ac2f3a | 2019-01-17 15:16:19 +0000 | [diff] [blame] | 70 | const float in_x = (id.x() + sampling_offset) * wr - sampling_offset; |
| 71 | const float in_y = (id.y() + sampling_offset) * hr - sampling_offset; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 72 | const int in_xi = std::floor(in_x); |
| 73 | const int in_yi = std::floor(in_y); |
| 74 | |
Manuel Bottini | fc2f6d0 | 2020-08-26 16:28:38 +0100 | [diff] [blame^] | 75 | *reinterpret_cast<int32_t *>(offsets_it.ptr()) = in_xi; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 76 | *reinterpret_cast<float *>(dx_it.ptr()) = in_x - in_xi; |
| 77 | *reinterpret_cast<float *>(dy_it.ptr()) = in_y - in_yi; |
| 78 | }, |
| 79 | offsets_it, dx_it, dy_it); |
| 80 | } |
| 81 | else |
| 82 | { |
| 83 | // Pre-compute the offset for NEAREST interpolation |
| 84 | Iterator offsets_it(offsets, win); |
| 85 | |
| 86 | execute_window_loop(win, [&](const Coordinates & id) |
| 87 | { |
Manuel Bottini | fc2f6d0 | 2020-08-26 16:28:38 +0100 | [diff] [blame^] | 88 | const float float_in_xi = (id.x() + sampling_offset) * wr; |
| 89 | const auto in_xi = static_cast<size_t>(align_corners ? arm_compute::utils::rounding::round_half_away_from_zero(float_in_xi) : std::floor(float_in_xi)); |
| 90 | *reinterpret_cast<int32_t *>(offsets_it.ptr()) = in_xi; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 91 | }, |
| 92 | offsets_it); |
| 93 | } |
| 94 | } |
| 95 | } // namespace |
| 96 | |
Manuel Bottini | fc2f6d0 | 2020-08-26 16:28:38 +0100 | [diff] [blame^] | 97 | NEScale::NEScale() |
| 98 | : _offsets(), _dx(), _dy() |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 99 | { |
| 100 | } |
| 101 | |
Sang-Hoon Park | c261798 | 2020-05-20 22:13:47 +0100 | [diff] [blame] | 102 | void NEScale::configure(ITensor *input, ITensor *output, const ScaleKernelInfo &info) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 103 | { |
Georgios Pinitas | 20b4313 | 2018-05-14 16:05:23 +0100 | [diff] [blame] | 104 | ARM_COMPUTE_ERROR_ON_NULLPTR(input, output); |
Sang-Hoon Park | c261798 | 2020-05-20 22:13:47 +0100 | [diff] [blame] | 105 | ARM_COMPUTE_ERROR_THROW_ON(NEScale::validate(input->info(), output->info(), info)); |
George Wort | 05398a9 | 2019-01-25 15:38:33 +0000 | [diff] [blame] | 106 | |
Michele Di Giorgio | 7a81d2a | 2020-07-30 14:52:16 +0100 | [diff] [blame] | 107 | const bool is_align_corners_used = info.align_corners && arm_compute::scale_utils::is_align_corners_allowed_sampling_policy(info.sampling_policy); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 108 | |
Georgios Pinitas | 393fa4c | 2018-05-08 15:54:53 +0100 | [diff] [blame] | 109 | // Get data layout and width/height indices |
| 110 | const DataLayout data_layout = input->info()->data_layout(); |
| 111 | const int idx_width = get_data_layout_dimension_index(data_layout, DataLayoutDimension::WIDTH); |
| 112 | const int idx_height = get_data_layout_dimension_index(data_layout, DataLayoutDimension::HEIGHT); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 113 | |
| 114 | // Get the tensor shape |
Manuel Bottini | fc2f6d0 | 2020-08-26 16:28:38 +0100 | [diff] [blame^] | 115 | TensorShape shape(output->info()->dimension(idx_width)); |
| 116 | shape.set(1, output->info()->dimension(idx_height), false); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 117 | |
| 118 | // Compute the ratio between source width/height and destination width/height |
Sang-Hoon Park | 3687ee1 | 2020-06-24 13:34:04 +0100 | [diff] [blame] | 119 | const auto wr = arm_compute::scale_utils::calculate_resize_ratio(input->info()->dimension(idx_width), output->info()->dimension(idx_width), is_align_corners_used); |
| 120 | const auto hr = arm_compute::scale_utils::calculate_resize_ratio(input->info()->dimension(idx_height), output->info()->dimension(idx_height), is_align_corners_used); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 121 | |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 122 | // Area interpolation behaves as Nearest Neighbour in case of up-sampling |
Sang-Hoon Park | c261798 | 2020-05-20 22:13:47 +0100 | [diff] [blame] | 123 | const auto policy_to_use = (info.interpolation_policy == InterpolationPolicy::AREA && wr <= 1.f && hr <= 1.f) ? InterpolationPolicy::NEAREST_NEIGHBOR : info.interpolation_policy; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 124 | |
Manuel Bottini | fc2f6d0 | 2020-08-26 16:28:38 +0100 | [diff] [blame^] | 125 | auto scale_kernel = arm_compute::support::cpp14::make_unique<NEScaleKernel>(); |
Sang-Hoon Park | c261798 | 2020-05-20 22:13:47 +0100 | [diff] [blame] | 126 | switch(policy_to_use) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 127 | { |
| 128 | case InterpolationPolicy::NEAREST_NEIGHBOR: |
| 129 | { |
| 130 | TensorInfo tensor_info_offsets(shape, Format::S32); |
| 131 | _offsets.allocator()->init(tensor_info_offsets); |
| 132 | |
Manuel Bottini | fc2f6d0 | 2020-08-26 16:28:38 +0100 | [diff] [blame^] | 133 | scale_kernel->configure(input, nullptr, nullptr, &_offsets, output, info); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 134 | |
| 135 | // Allocate once the configure methods have been called |
| 136 | _offsets.allocator()->allocate(); |
| 137 | |
| 138 | // Pre-compute offsets for nearest interpolation |
Manuel Bottini | fc2f6d0 | 2020-08-26 16:28:38 +0100 | [diff] [blame^] | 139 | precompute_dx_dy_offsets(nullptr, nullptr, &_offsets, wr, hr, info.sampling_policy, is_align_corners_used); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 140 | break; |
| 141 | } |
| 142 | case InterpolationPolicy::BILINEAR: |
| 143 | { |
| 144 | TensorInfo tensor_info_offsets(shape, Format::S32); |
| 145 | TensorInfo tensor_info_dxdy(shape, Format::F32); |
| 146 | |
| 147 | _offsets.allocator()->init(tensor_info_offsets); |
| 148 | _dx.allocator()->init(tensor_info_dxdy); |
| 149 | _dy.allocator()->init(tensor_info_dxdy); |
| 150 | |
Manuel Bottini | fc2f6d0 | 2020-08-26 16:28:38 +0100 | [diff] [blame^] | 151 | scale_kernel->configure(input, &_dx, &_dy, &_offsets, output, info); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 152 | |
| 153 | // Allocate once the configure methods have been called |
| 154 | _offsets.allocator()->allocate(); |
| 155 | _dx.allocator()->allocate(); |
| 156 | _dy.allocator()->allocate(); |
| 157 | |
| 158 | // Pre-compute dx, dy and offsets for bilinear interpolation |
Manuel Bottini | fc2f6d0 | 2020-08-26 16:28:38 +0100 | [diff] [blame^] | 159 | precompute_dx_dy_offsets(&_dx, &_dy, &_offsets, wr, hr, info.sampling_policy, is_align_corners_used); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 160 | break; |
| 161 | } |
| 162 | case InterpolationPolicy::AREA: |
| 163 | { |
Manuel Bottini | fc2f6d0 | 2020-08-26 16:28:38 +0100 | [diff] [blame^] | 164 | scale_kernel->configure(input, nullptr, nullptr, nullptr, output, info); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 165 | break; |
| 166 | } |
| 167 | default: |
| 168 | ARM_COMPUTE_ERROR("Unsupported interpolation mode"); |
| 169 | } |
Manuel Bottini | fc2f6d0 | 2020-08-26 16:28:38 +0100 | [diff] [blame^] | 170 | _kernel = std::move(scale_kernel); |
Sang-Hoon Park | c261798 | 2020-05-20 22:13:47 +0100 | [diff] [blame] | 171 | } |
| 172 | |
| 173 | Status NEScale::validate(const ITensorInfo *input, const ITensorInfo *output, const ScaleKernelInfo &info) |
Georgios Pinitas | 20b4313 | 2018-05-14 16:05:23 +0100 | [diff] [blame] | 174 | { |
| 175 | ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input, output); |
Sang-Hoon Park | c261798 | 2020-05-20 22:13:47 +0100 | [diff] [blame] | 176 | ARM_COMPUTE_RETURN_ERROR_ON(info.sampling_policy != SamplingPolicy::CENTER && info.sampling_policy != SamplingPolicy::TOP_LEFT); |
Georgios Pinitas | 20b4313 | 2018-05-14 16:05:23 +0100 | [diff] [blame] | 177 | |
| 178 | ITensorInfo *offsets = nullptr; |
| 179 | ITensorInfo *dx = nullptr; |
| 180 | ITensorInfo *dy = nullptr; |
| 181 | |
| 182 | // Get data layout and width/height indices |
| 183 | const DataLayout data_layout = input->data_layout(); |
| 184 | const int idx_width = get_data_layout_dimension_index(data_layout, DataLayoutDimension::WIDTH); |
| 185 | const int idx_height = get_data_layout_dimension_index(data_layout, DataLayoutDimension::HEIGHT); |
| 186 | |
| 187 | // Get the tensor shape of auxilary buffers |
| 188 | const TensorShape shape(output->dimension(idx_width), output->dimension(idx_height)); |
| 189 | |
| 190 | TensorInfo tensor_info_offsets(shape, Format::S32); |
| 191 | TensorInfo tensor_info_dx(shape, Format::F32); |
| 192 | TensorInfo tensor_info_dy(shape, Format::F32); |
| 193 | |
Sang-Hoon Park | c261798 | 2020-05-20 22:13:47 +0100 | [diff] [blame] | 194 | switch(info.interpolation_policy) |
Georgios Pinitas | 20b4313 | 2018-05-14 16:05:23 +0100 | [diff] [blame] | 195 | { |
| 196 | case InterpolationPolicy::NEAREST_NEIGHBOR: |
| 197 | offsets = &tensor_info_offsets; |
| 198 | break; |
| 199 | case InterpolationPolicy::BILINEAR: |
| 200 | offsets = &tensor_info_offsets; |
| 201 | dx = &tensor_info_dx; |
| 202 | dy = &tensor_info_dy; |
| 203 | break; |
| 204 | default: |
| 205 | break; |
| 206 | } |
| 207 | |
Sang-Hoon Park | c261798 | 2020-05-20 22:13:47 +0100 | [diff] [blame] | 208 | ARM_COMPUTE_RETURN_ON_ERROR(NEScaleKernel::validate(input->clone().get(), dx, dy, offsets, output->clone().get(), info)); |
| 209 | return Status{}; |
| 210 | } |
Sang-Hoon Park | ccd9496 | 2020-06-09 12:09:24 +0100 | [diff] [blame] | 211 | } // namespace arm_compute |