Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 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/CL/kernels/CLRemapKernel.h" |
| 25 | |
| 26 | #include "arm_compute/core/AccessWindowStatic.h" |
| 27 | #include "arm_compute/core/CL/CLHelpers.h" |
| 28 | #include "arm_compute/core/CL/CLKernelLibrary.h" |
| 29 | #include "arm_compute/core/CL/ICLTensor.h" |
| 30 | #include "arm_compute/core/Error.h" |
| 31 | #include "arm_compute/core/Helpers.h" |
| 32 | #include "arm_compute/core/TensorInfo.h" |
| 33 | #include "arm_compute/core/Validate.h" |
| 34 | #include "arm_compute/core/Window.h" |
| 35 | |
| 36 | #include <algorithm> |
| 37 | |
| 38 | using namespace arm_compute; |
| 39 | |
| 40 | CLRemapKernel::CLRemapKernel() |
| 41 | : _input(nullptr), _output(nullptr), _map_x(nullptr), _map_y(nullptr) |
| 42 | { |
| 43 | } |
| 44 | |
| 45 | BorderSize CLRemapKernel::border_size() const |
| 46 | { |
| 47 | return BorderSize(1); |
| 48 | } |
| 49 | |
| 50 | void CLRemapKernel::configure(const ICLTensor *input, const ICLTensor *map_x, const ICLTensor *map_y, ICLTensor *output, InterpolationPolicy policy, bool border_undefined) |
| 51 | { |
| 52 | ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8); |
| 53 | ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U8); |
| 54 | ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(map_x, 1, DataType::F32); |
| 55 | ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(map_y, 1, DataType::F32); |
| 56 | ARM_COMPUTE_ERROR_ON_MSG(policy == InterpolationPolicy::AREA, "Area interpolation is not supported!"); |
Sanghoon Lee | fc35b51 | 2017-10-18 12:09:04 +0100 | [diff] [blame] | 57 | ARM_COMPUTE_UNUSED(border_undefined); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 58 | |
| 59 | _input = input; |
| 60 | _output = output; |
| 61 | _map_x = map_x; |
| 62 | _map_y = map_y; |
| 63 | |
| 64 | // Create kernel |
| 65 | std::set<std::string> build_opts = { ("-DDATA_TYPE=" + get_cl_type_from_data_type(input->info()->data_type())) }; |
| 66 | std::string interpolation_name = string_from_interpolation_policy(policy); |
| 67 | std::transform(interpolation_name.begin(), interpolation_name.end(), interpolation_name.begin(), ::tolower); |
| 68 | std::string kernel_name = "remap_" + interpolation_name; |
| 69 | _kernel = static_cast<cl::Kernel>(CLKernelLibrary::get().create_kernel(kernel_name, build_opts)); |
| 70 | |
| 71 | // Configure window |
| 72 | constexpr unsigned int num_elems_processed_per_iteration = 4; |
Sanghoon Lee | fc35b51 | 2017-10-18 12:09:04 +0100 | [diff] [blame] | 73 | |
| 74 | const int total_right = ceil_to_multiple(input->info()->dimension(0), num_elems_processed_per_iteration); |
| 75 | const int access_right = total_right + (((total_right - input->info()->dimension(0)) == 0) ? border_size().right : 0); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 76 | |
| 77 | Window win = calculate_max_window(*_output->info(), Steps(num_elems_processed_per_iteration)); |
Sanghoon Lee | fc35b51 | 2017-10-18 12:09:04 +0100 | [diff] [blame] | 78 | AccessWindowStatic input_access(input->info(), -border_size().left, -border_size().top, access_right, input->info()->dimension(1) + border_size().bottom); |
| 79 | |
| 80 | AccessWindowHorizontal output_access(output->info(), 0, num_elems_processed_per_iteration); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 81 | |
| 82 | update_window_and_padding(win, input_access, output_access); |
| 83 | |
| 84 | output_access.set_valid_region(win, ValidRegion(Coordinates(), output->info()->tensor_shape())); |
| 85 | |
| 86 | ICLKernel::configure(win); |
| 87 | |
| 88 | // Set static arguments |
| 89 | unsigned int idx = 4 * num_arguments_per_2D_tensor(); //Skip the input and output parameters |
| 90 | _kernel.setArg<cl_float>(idx++, input->info()->dimension(0)); |
| 91 | _kernel.setArg<cl_float>(idx++, input->info()->dimension(1)); |
| 92 | } |
| 93 | |
| 94 | void CLRemapKernel::run(const Window &window, cl::CommandQueue &queue) |
| 95 | { |
| 96 | ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| 97 | ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICLKernel::window(), window); |
| 98 | |
| 99 | Window slice = window.first_slice_window_2D(); |
| 100 | |
| 101 | do |
| 102 | { |
| 103 | unsigned int idx = 0; |
| 104 | add_2D_tensor_argument(idx, _input, slice); |
| 105 | add_2D_tensor_argument(idx, _output, slice); |
| 106 | add_2D_tensor_argument(idx, _map_x, slice); |
| 107 | add_2D_tensor_argument(idx, _map_y, slice); |
| 108 | enqueue(queue, *this, slice); |
| 109 | } |
| 110 | while(window.slide_window_slice_2D(slice)); |
| 111 | } |