| /* |
| * Copyright (c) 2016-2020 Arm Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #include "src/core/CL/kernels/CLScharr3x3Kernel.h" |
| |
| #include "arm_compute/core/CL/CLKernelLibrary.h" |
| #include "arm_compute/core/CL/ICLTensor.h" |
| #include "arm_compute/core/CL/OpenCL.h" |
| #include "arm_compute/core/Helpers.h" |
| #include "arm_compute/core/Validate.h" |
| #include "src/core/helpers/WindowHelpers.h" |
| |
| #include <set> |
| #include <string> |
| |
| using namespace arm_compute; |
| |
| CLScharr3x3Kernel::CLScharr3x3Kernel() |
| : _run_scharr_x(false), _run_scharr_y(false), _input(nullptr), _output_x(nullptr), _output_y(nullptr) |
| { |
| } |
| |
| BorderSize CLScharr3x3Kernel::border_size() const |
| { |
| return BorderSize(1); |
| } |
| |
| void CLScharr3x3Kernel::configure(const ICLTensor *input, ICLTensor *output_x, ICLTensor *output_y, bool border_undefined) |
| { |
| configure(CLKernelLibrary::get().get_compile_context(), input, output_x, output_y, border_undefined); |
| } |
| |
| void CLScharr3x3Kernel::configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output_x, ICLTensor *output_y, bool border_undefined) |
| { |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8); |
| ARM_COMPUTE_ERROR_ON((output_x == nullptr) && (output_y == nullptr)); |
| |
| _run_scharr_x = output_x != nullptr; |
| _run_scharr_y = output_y != nullptr; |
| |
| if(_run_scharr_x) |
| { |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output_x, 1, DataType::S16); |
| } |
| |
| if(_run_scharr_y) |
| { |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output_y, 1, DataType::S16); |
| } |
| |
| _input = input; |
| _output_x = output_x; |
| _output_y = output_y; |
| |
| // Set build options |
| std::set<std::string> build_opts; |
| |
| if(_run_scharr_x) |
| { |
| build_opts.insert("-DGRAD_X"); |
| } |
| |
| if(_run_scharr_y) |
| { |
| build_opts.insert("-DGRAD_Y"); |
| } |
| |
| // Create kernel |
| _kernel = create_kernel(compile_context, "scharr3x3", build_opts); |
| |
| // Configure kernel window |
| constexpr unsigned int num_elems_processed_per_iteration = 8; |
| constexpr unsigned int num_elems_read_per_iteration = 16; |
| constexpr unsigned int num_elems_written_per_iteration = 8; |
| constexpr unsigned int num_rows_read_per_iteration = 3; |
| |
| Window win = calculate_max_window(*input->info(), Steps(num_elems_processed_per_iteration), border_undefined, border_size()); |
| |
| AccessWindowRectangle input_access(input->info(), -border_size().left, -border_size().top, num_elems_read_per_iteration, num_rows_read_per_iteration); |
| AccessWindowHorizontal output_x_access(output_x == nullptr ? nullptr : output_x->info(), 0, num_elems_written_per_iteration); |
| AccessWindowHorizontal output_y_access(output_y == nullptr ? nullptr : output_y->info(), 0, num_elems_written_per_iteration); |
| |
| update_window_and_padding(win, input_access, output_x_access, output_y_access); |
| |
| output_x_access.set_valid_region(win, input->info()->valid_region(), border_undefined, border_size()); |
| output_y_access.set_valid_region(win, input->info()->valid_region(), border_undefined, border_size()); |
| |
| ICLKernel::configure_internal(win); |
| } |
| |
| void CLScharr3x3Kernel::run(const Window &window, cl::CommandQueue &queue) |
| { |
| ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICLKernel::window(), window); |
| |
| Window slice = window.first_slice_window_2D(); |
| do |
| { |
| unsigned int idx = 0; |
| add_2D_tensor_argument(idx, _input, slice); |
| add_2D_tensor_argument_if((_run_scharr_x), idx, _output_x, slice); |
| add_2D_tensor_argument_if((_run_scharr_y), idx, _output_y, slice); |
| |
| enqueue(queue, *this, slice, lws_hint()); |
| } |
| while(window.slide_window_slice_2D(slice)); |
| } |