Frank Lei | 57a150a | 2017-12-19 10:14:57 +0800 | [diff] [blame] | 1 | /* |
Frank Lei | 4406fd6 | 2018-02-01 14:47:14 +0800 | [diff] [blame] | 2 | * Copyright (c) 2016-2018 ARM Limited. |
Frank Lei | 57a150a | 2017-12-19 10:14:57 +0800 | [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/GLES_COMPUTE/kernels/GCScaleKernel.h" |
| 25 | |
| 26 | #include "arm_compute/core/AccessWindowStatic.h" |
| 27 | #include "arm_compute/core/Error.h" |
| 28 | #include "arm_compute/core/GLES_COMPUTE/GCHelpers.h" |
| 29 | #include "arm_compute/core/GLES_COMPUTE/GCKernelLibrary.h" |
| 30 | #include "arm_compute/core/GLES_COMPUTE/IGCKernel.h" |
| 31 | #include "arm_compute/core/GLES_COMPUTE/IGCTensor.h" |
| 32 | #include "arm_compute/core/GLES_COMPUTE/OpenGLES.h" |
| 33 | #include "arm_compute/core/Helpers.h" |
| 34 | #include "arm_compute/core/TensorInfo.h" |
| 35 | #include "arm_compute/core/Validate.h" |
| 36 | |
| 37 | #include <set> |
| 38 | #include <string> |
| 39 | |
| 40 | using namespace arm_compute; |
| 41 | |
| 42 | BorderSize GCScaleKernel::border_size() const |
| 43 | { |
| 44 | return BorderSize(1); |
| 45 | } |
| 46 | |
| 47 | void GCScaleKernel::configure(const IGCTensor *input, IGCTensor *output, InterpolationPolicy policy, bool border_undefined, SamplingPolicy sampling_policy) |
| 48 | { |
| 49 | ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::F16); |
| 50 | ARM_COMPUTE_ERROR_ON_NULLPTR(output); |
| 51 | ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input, output); |
| 52 | ARM_COMPUTE_ERROR_ON(output == input); |
| 53 | ARM_COMPUTE_ERROR_ON(policy != InterpolationPolicy::NEAREST_NEIGHBOR); |
Georgios Pinitas | 6727f12 | 2018-03-13 10:29:13 +0000 | [diff] [blame] | 54 | ARM_COMPUTE_UNUSED(sampling_policy); |
Frank Lei | 57a150a | 2017-12-19 10:14:57 +0800 | [diff] [blame] | 55 | |
| 56 | _input = input; |
| 57 | _output = output; |
| 58 | |
| 59 | // Compute the ratio between source width/height and destination width/height |
| 60 | const auto wr = static_cast<float>(input->info()->dimension(0)) / static_cast<float>(output->info()->dimension(0)); |
| 61 | const auto hr = static_cast<float>(input->info()->dimension(1)) / static_cast<float>(output->info()->dimension(1)); |
| 62 | |
| 63 | // Compute actual border size |
| 64 | BorderSize border = border_undefined ? BorderSize(0) : border_size(); |
| 65 | |
| 66 | // Area interpolation behaves as Nearest Neighbour in case of up-sampling |
| 67 | if(policy == InterpolationPolicy::AREA && wr <= 1.f && hr <= 1.f) |
| 68 | { |
| 69 | policy = InterpolationPolicy::NEAREST_NEIGHBOR; |
| 70 | } |
| 71 | else |
| 72 | { |
| 73 | ARM_COMPUTE_ERROR_ON(policy == InterpolationPolicy::AREA); |
| 74 | } |
| 75 | |
| 76 | // Create kernel |
| 77 | std::set<std::string> build_opts; |
| 78 | build_opts.emplace("#define LOCAL_SIZE_X " + support::cpp11::to_string(1)); |
| 79 | build_opts.emplace("#define LOCAL_SIZE_Y " + support::cpp11::to_string(1)); |
| 80 | build_opts.emplace("#define LOCAL_SIZE_Z " + support::cpp11::to_string(1)); |
| 81 | |
| 82 | build_opts.emplace("#define DATA_TYPE_FP16"); |
| 83 | build_opts.emplace("#define BORDER_SIZE " + support::cpp11::to_string(border.right)); |
| 84 | |
| 85 | // Configure kernel window |
| 86 | unsigned int num_elems_processed_per_iteration = 4; |
| 87 | unsigned int input_width_alignment = 2; |
| 88 | |
| 89 | // performance optimization for 2x upscaling with no border |
| 90 | if((fabs(wr - 0.5) < 1e-6) && (fabs(hr - 0.5) < 1e-6) && border_undefined) |
| 91 | { |
| 92 | num_elems_processed_per_iteration = 8; |
| 93 | input_width_alignment = 4; |
| 94 | build_opts.emplace("#define SCALE_NEAREST_8X"); |
| 95 | } |
| 96 | else |
| 97 | { |
| 98 | build_opts.emplace("#define SCALE_NEAREST_GENERIC"); |
| 99 | } |
| 100 | |
| 101 | std::string interpolation_name = string_from_interpolation_policy(policy); // NOLINT |
| 102 | std::transform(interpolation_name.begin(), interpolation_name.end(), interpolation_name.begin(), ::tolower); |
| 103 | std::string kernel_name = "scale_" + interpolation_name; |
| 104 | _kernel = GCKernelLibrary::get().create_kernel(kernel_name, build_opts); |
| 105 | |
| 106 | Window win = calculate_max_window(*output->info(), Steps(num_elems_processed_per_iteration)); |
| 107 | |
| 108 | const ValidRegion &input_valid_region = input->info()->valid_region(); |
| 109 | |
| 110 | const int total_width = border.left + input_valid_region.anchor[0] + input_valid_region.shape[0] + border.right; |
| 111 | const int padding_right = ceil_to_multiple(total_width, input_width_alignment) - border.left - input_valid_region.anchor[0] - input_valid_region.shape[0]; |
| 112 | |
| 113 | // Reads can occur within the valid region of the input |
| 114 | AccessWindowStatic input_access(input->info(), |
| 115 | input_valid_region.anchor[0] - border.left, input_valid_region.anchor[1] - border.top, |
| 116 | input_valid_region.anchor[0] + input_valid_region.shape[0] + padding_right, |
| 117 | input_valid_region.anchor[1] + input_valid_region.shape[1] + border.bottom); |
| 118 | |
| 119 | AccessWindowHorizontal output_access(output->info(), 0, num_elems_processed_per_iteration); |
| 120 | |
| 121 | update_window_and_padding(win, input_access, output_access); |
| 122 | |
| 123 | output_access.set_valid_region(win, calculate_valid_region_scale(*(input->info()), |
| 124 | output->info()->tensor_shape(), |
| 125 | policy, |
Georgios Pinitas | 6727f12 | 2018-03-13 10:29:13 +0000 | [diff] [blame] | 126 | border, |
Frank Lei | 57a150a | 2017-12-19 10:14:57 +0800 | [diff] [blame] | 127 | border_undefined)); |
| 128 | |
| 129 | IGCKernel::configure(win); |
| 130 | |
Frank Lei | 4406fd6 | 2018-02-01 14:47:14 +0800 | [diff] [blame] | 131 | unsigned int idx = 2 * num_arguments_per_3D_tensor(); //Skip the tensor parameters |
Frank Lei | 57a150a | 2017-12-19 10:14:57 +0800 | [diff] [blame] | 132 | _kernel.set_argument<float>(idx++, static_cast<float>(input->info()->dimension(0))); |
| 133 | _kernel.set_argument<float>(idx++, static_cast<float>(input->info()->dimension(1))); |
Frank Lei | 1bfc784 | 2018-01-04 13:02:40 +0800 | [diff] [blame] | 134 | _kernel.set_argument<float>(idx++, wr); |
| 135 | _kernel.set_argument<float>(idx++, hr); |
Frank Lei | 57a150a | 2017-12-19 10:14:57 +0800 | [diff] [blame] | 136 | } |
Frank Lei | 4406fd6 | 2018-02-01 14:47:14 +0800 | [diff] [blame] | 137 | |
| 138 | void GCScaleKernel::run(const Window &window) |
| 139 | { |
| 140 | ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| 141 | ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(IKernel::window(), window); |
| 142 | |
| 143 | _kernel.use(); |
| 144 | |
| 145 | _output->set_needs_shifting(true); |
| 146 | |
| 147 | Window slice = window.first_slice_window_3D(); |
| 148 | Window slice_in = window.first_slice_window_3D(); |
| 149 | |
| 150 | slice.shift(Window::DimX, -(_output->info()->padding()).left); |
| 151 | |
| 152 | do |
| 153 | { |
| 154 | unsigned int idx = 0; |
| 155 | add_3D_tensor_argument(idx, _input, 1, slice_in); |
| 156 | add_3D_tensor_argument(idx, _output, 2, slice); |
| 157 | _kernel.update_shader_params(); |
| 158 | enqueue(*this, slice); |
| 159 | } |
| 160 | while(window.slide_window_slice_3D(slice) && window.slide_window_slice_3D(slice_in)); |
| 161 | } |