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/core/CL/kernels/CLAbsoluteDifferenceKernel.h" |
| 25 | |
| 26 | #include "arm_compute/core/CL/CLHelpers.h" |
| 27 | #include "arm_compute/core/CL/CLKernelLibrary.h" |
| 28 | #include "arm_compute/core/CL/ICLTensor.h" |
| 29 | #include "arm_compute/core/CL/OpenCL.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/Types.h" |
| 34 | #include "arm_compute/core/Validate.h" |
| 35 | #include "arm_compute/core/Window.h" |
| 36 | |
| 37 | #include <set> |
| 38 | #include <string> |
| 39 | |
| 40 | using namespace arm_compute; |
| 41 | |
| 42 | CLAbsoluteDifferenceKernel::CLAbsoluteDifferenceKernel() |
| 43 | : _input1(nullptr), _input2(nullptr), _output(nullptr) |
| 44 | { |
| 45 | } |
| 46 | |
| 47 | void CLAbsoluteDifferenceKernel::configure(const ICLTensor *input1, const ICLTensor *input2, ICLTensor *output) |
| 48 | { |
Manuel Bottini | 4c6bd51 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 49 | configure(CLKernelLibrary::get().get_compile_context(), input1, input2, output); |
| 50 | } |
| 51 | |
Manuel Bottini | 256c0b9 | 2020-04-21 13:29:30 +0100 | [diff] [blame] | 52 | void CLAbsoluteDifferenceKernel::configure(const CLCompileContext &compile_context, const ICLTensor *input1, const ICLTensor *input2, ICLTensor *output) |
Manuel Bottini | 4c6bd51 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 53 | { |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 54 | ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input1, 1, DataType::U8, DataType::S16); |
| 55 | ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input2, 1, DataType::U8, DataType::S16); |
| 56 | ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U8, DataType::S16); |
| 57 | ARM_COMPUTE_ERROR_ON_MSG(output->info()->data_type() == DataType::U8 && (input1->info()->data_type() != DataType::U8 || input2->info()->data_type() != DataType::U8), |
| 58 | "The output image can only be U8 if both input images are U8"); |
| 59 | |
| 60 | _input1 = input1; |
| 61 | _input2 = input2; |
| 62 | _output = output; |
| 63 | |
| 64 | // Set kernel build options |
| 65 | std::set<std::string> build_opts; |
| 66 | build_opts.insert("-DDATA_TYPE_IN1=" + get_cl_type_from_data_type(input1->info()->data_type())); |
| 67 | build_opts.insert("-DDATA_TYPE_IN2=" + get_cl_type_from_data_type(input2->info()->data_type())); |
| 68 | build_opts.insert("-DDATA_TYPE_OUT=" + get_cl_type_from_data_type(output->info()->data_type())); |
| 69 | |
| 70 | // Create kernel |
Manuel Bottini | 4c6bd51 | 2020-04-08 10:15:51 +0100 | [diff] [blame] | 71 | _kernel = create_kernel(compile_context, "absdiff", build_opts); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 72 | |
| 73 | // Configure kernel window |
| 74 | constexpr unsigned int num_elems_processed_per_iteration = 16; |
| 75 | |
| 76 | Window win = calculate_max_window(*input1->info(), Steps(num_elems_processed_per_iteration)); |
| 77 | |
| 78 | AccessWindowHorizontal input1_access(input1->info(), 0, num_elems_processed_per_iteration); |
| 79 | AccessWindowHorizontal input2_access(input2->info(), 0, num_elems_processed_per_iteration); |
| 80 | AccessWindowHorizontal output_access(output->info(), 0, num_elems_processed_per_iteration); |
| 81 | |
| 82 | update_window_and_padding(win, input1_access, input2_access, output_access); |
| 83 | |
| 84 | ValidRegion valid_region = intersect_valid_regions(input1->info()->valid_region(), |
| 85 | input2->info()->valid_region()); |
| 86 | |
| 87 | output_access.set_valid_region(win, valid_region); |
| 88 | |
Anthony Barbier | b6eb353 | 2018-08-08 13:20:04 +0100 | [diff] [blame] | 89 | ICLKernel::configure_internal(win); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 90 | } |
| 91 | |
| 92 | void CLAbsoluteDifferenceKernel::run(const Window &window, cl::CommandQueue &queue) |
| 93 | { |
| 94 | ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| 95 | ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICLKernel::window(), window); |
| 96 | |
| 97 | Window slice = window.first_slice_window_2D(); |
| 98 | do |
| 99 | { |
| 100 | unsigned int idx = 0; |
| 101 | add_2D_tensor_argument(idx, _input1, slice); |
| 102 | add_2D_tensor_argument(idx, _input2, slice); |
| 103 | add_2D_tensor_argument(idx, _output, slice); |
Georgios Pinitas | 275f99c | 2019-08-23 12:44:11 +0100 | [diff] [blame] | 104 | enqueue(queue, *this, slice, lws_hint()); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 105 | } |
| 106 | while(window.slide_window_slice_2D(slice)); |
| 107 | } |