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author | Anthony Barbier <anthony.barbier@arm.com> | 2017-09-04 18:44:23 +0100 |
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committer | Anthony Barbier <anthony.barbier@arm.com> | 2018-09-17 13:03:09 +0100 |
commit | 6ff3b19ee6120edf015fad8caab2991faa3070af (patch) | |
tree | a7a6dcd16dfd56d79fa1b56a313caeebcc939b68 /src/core/CL/kernels/CLDerivativeKernel.cpp | |
download | ComputeLibrary-6ff3b19ee6120edf015fad8caab2991faa3070af.tar.gz |
COMPMID-344 Updated doxygen
Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae
Diffstat (limited to 'src/core/CL/kernels/CLDerivativeKernel.cpp')
-rw-r--r-- | src/core/CL/kernels/CLDerivativeKernel.cpp | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/src/core/CL/kernels/CLDerivativeKernel.cpp b/src/core/CL/kernels/CLDerivativeKernel.cpp new file mode 100644 index 0000000000..36ba06d528 --- /dev/null +++ b/src/core/CL/kernels/CLDerivativeKernel.cpp @@ -0,0 +1,145 @@ +/* + * Copyright (c) 2016, 2017 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 "arm_compute/core/CL/kernels/CLDerivativeKernel.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/Error.h" +#include "arm_compute/core/Helpers.h" +#include "arm_compute/core/Types.h" +#include "arm_compute/core/Validate.h" +#include "arm_compute/core/Window.h" + +#include <set> +#include <string> + +using namespace arm_compute; + +CLDerivativeKernel::CLDerivativeKernel() + : _input(nullptr), _output_x(nullptr), _output_y(nullptr), _run_derivative_x(false), _run_derivative_y(false) +{ +} + +BorderSize CLDerivativeKernel::border_size() const +{ + return BorderSize(1); +} + +void CLDerivativeKernel::configure(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_derivative_x = output_x != nullptr; + _run_derivative_y = output_y != nullptr; + + if(_run_derivative_x) + { + ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output_x, 1, DataType::S16); + } + + if(_run_derivative_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_derivative_x) + { + build_opts.insert("-DGRAD_X"); + } + + if(_run_derivative_y) + { + build_opts.insert("-DGRAD_Y"); + } + + // Create kernel + _kernel = static_cast<cl::Kernel>(CLKernelLibrary::get().create_kernel("derivative", build_opts)); + + // Configure kernel window + constexpr unsigned int num_elems_processed_per_iteration = 16; + constexpr unsigned int num_read_rows_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(), 0, 0, 0, 0); + AccessWindowHorizontal output_x_access(output_x == nullptr ? nullptr : output_x->info(), 0, num_elems_processed_per_iteration); + AccessWindowHorizontal output_y_access(output_y == nullptr ? nullptr : output_y->info(), 0, num_elems_processed_per_iteration); + if(_run_derivative_x && _run_derivative_y) + { + input_access = AccessWindowRectangle(input->info(), -border_size().left, -border_size().top, num_elems_processed_per_iteration, num_read_rows_per_iteration); + } + else if(_run_derivative_x) + { + input_access = AccessWindowHorizontal(input->info(), -border_size().left, num_elems_processed_per_iteration); + } + else if(_run_derivative_y) + { + input_access = AccessWindowRectangle(input->info(), 0, -border_size().top, num_elems_processed_per_iteration, num_read_rows_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(win); +} + +void CLDerivativeKernel::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); + + if(_run_derivative_x) + { + add_2D_tensor_argument(idx, _output_x, slice); + } + + if(_run_derivative_y) + { + add_2D_tensor_argument(idx, _output_y, slice); + } + + enqueue(queue, *this, slice); + } + while(window.slide_window_slice_2D(slice)); +} |