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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/CLNonLinearFilterKernel.cpp | |
download | ComputeLibrary-6ff3b19ee6120edf015fad8caab2991faa3070af.tar.gz |
COMPMID-344 Updated doxygen
Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae
Diffstat (limited to 'src/core/CL/kernels/CLNonLinearFilterKernel.cpp')
-rw-r--r-- | src/core/CL/kernels/CLNonLinearFilterKernel.cpp | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/core/CL/kernels/CLNonLinearFilterKernel.cpp b/src/core/CL/kernels/CLNonLinearFilterKernel.cpp new file mode 100644 index 0000000000..6afa5822ba --- /dev/null +++ b/src/core/CL/kernels/CLNonLinearFilterKernel.cpp @@ -0,0 +1,98 @@ +/* + * Copyright (c) 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/CLNonLinearFilterKernel.h" + +#include "arm_compute/core/CL/CLHelpers.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/TensorInfo.h" +#include "arm_compute/core/Utils.h" +#include "arm_compute/core/Validate.h" +#include "arm_compute/core/Window.h" + +#include <algorithm> +#include <cmath> +#include <cstdlib> +#include <set> +#include <sstream> +#include <string> + +using namespace arm_compute; + +CLNonLinearFilterKernel::CLNonLinearFilterKernel() + : _border_size(0) +{ +} + +BorderSize CLNonLinearFilterKernel::border_size() const +{ + return _border_size; +} + +void CLNonLinearFilterKernel::configure(const ICLTensor *input, ICLTensor *output, NonLinearFilterFunction function, + unsigned int mask_size, MatrixPattern pattern, const uint8_t *mask, + bool border_undefined) +{ + ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8); + ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U8); + ARM_COMPUTE_ERROR_ON(mask_size != 3 && mask_size != 5); + ARM_COMPUTE_ERROR_ON_MSG(pattern == MatrixPattern::OTHER, "MatrixPattern::OTHER is not supported!"); + ARM_COMPUTE_UNUSED(mask); + + _input = input; + _output = output; + _border_size = BorderSize(mask_size / 2); + + // Define build options + std::set<std::string> build_opts; + build_opts.emplace("-D" + string_from_non_linear_filter_function(function)); + + // Define kernel + std::string pattern_name = string_from_matrix_pattern(pattern); + std::transform(pattern_name.begin(), pattern_name.end(), pattern_name.begin(), ::tolower); + std::stringstream ss; + ss << "non_linear_filter_" << pattern_name << mask_size << "x" << mask_size; + + // Create kernel + _kernel = static_cast<cl::Kernel>(CLKernelLibrary::get().create_kernel(ss.str(), build_opts)); + + // Configure kernel window + constexpr unsigned int num_elems_processed_per_iteration = 8; + constexpr unsigned int num_elems_read_per_iteration = 16; + const unsigned int num_rows_read_per_iteration = mask_size; + + Window win = calculate_max_window(*input->info(), 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_access(output->info(), 0, num_elems_processed_per_iteration); + + update_window_and_padding(win, input_access, output_access); + + output_access.set_valid_region(win, input->info()->valid_region(), border_undefined, border_size()); + + ICLKernel::configure(win); +} |