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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/CLIntegralImageKernel.cpp | |
download | ComputeLibrary-6ff3b19ee6120edf015fad8caab2991faa3070af.tar.gz |
COMPMID-344 Updated doxygen
Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae
Diffstat (limited to 'src/core/CL/kernels/CLIntegralImageKernel.cpp')
-rw-r--r-- | src/core/CL/kernels/CLIntegralImageKernel.cpp | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/core/CL/kernels/CLIntegralImageKernel.cpp b/src/core/CL/kernels/CLIntegralImageKernel.cpp new file mode 100644 index 0000000000..69ede457df --- /dev/null +++ b/src/core/CL/kernels/CLIntegralImageKernel.cpp @@ -0,0 +1,112 @@ +/* + * 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/CLIntegralImageKernel.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/TensorInfo.h" +#include "arm_compute/core/Types.h" +#include "arm_compute/core/Validate.h" +#include "arm_compute/core/Window.h" + +#include <cstddef> + +using namespace arm_compute; + +void CLIntegralImageHorKernel::configure(const ICLTensor *input, ICLTensor *output) +{ + 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::U32); + + _input = input; + _output = output; + + // Create kernel + _kernel = static_cast<cl::Kernel>(CLKernelLibrary::get().create_kernel("integral_horizontal")); + + // Configure kernel window + const unsigned int num_elems_processed_per_iteration = input->info()->dimension(0); + const unsigned int num_elems_accessed_per_iteration = ceil_to_multiple(num_elems_processed_per_iteration, 16); + + Window win = calculate_max_window(*input->info(), Steps(num_elems_processed_per_iteration)); + AccessWindowHorizontal output_access(output->info(), 0, num_elems_accessed_per_iteration); + + update_window_and_padding(win, + AccessWindowHorizontal(input->info(), 0, num_elems_accessed_per_iteration), + output_access); + + output_access.set_valid_region(win, input->info()->valid_region()); + + ICLKernel::configure(win); +} + +CLIntegralImageVertKernel::CLIntegralImageVertKernel() + : _in_out(nullptr) +{ +} + +void CLIntegralImageVertKernel::configure(ICLTensor *in_out) +{ + ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(in_out, 1, DataType::U32); + + _in_out = in_out; + + // Create kernel + _kernel = static_cast<cl::Kernel>(CLKernelLibrary::get().create_kernel("integral_vertical")); + + // Configure kernel window + constexpr unsigned int num_elems_processed_per_iteration_x = 8; + const unsigned int num_elems_processed_per_iteration_y = in_out->info()->dimension(Window::DimY); + + Window win = calculate_max_window(*in_out->info(), Steps(num_elems_processed_per_iteration_x, num_elems_processed_per_iteration_y)); + + AccessWindowRectangle in_out_access(in_out->info(), 0, 0, num_elems_processed_per_iteration_x, num_elems_processed_per_iteration_y); + + update_window_and_padding(win, in_out_access); + + in_out_access.set_valid_region(win, in_out->info()->valid_region()); + + ICLKernel::configure(win); +} + +void CLIntegralImageVertKernel::run(const Window &window, cl::CommandQueue &queue) +{ + ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); + ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICLKernel::window(), window); + + const size_t height = _in_out->info()->dimension(1); + + Window slice = window.first_slice_window_2D(); + + do + { + unsigned int idx = 0; + add_2D_tensor_argument(idx, _in_out, slice); + _kernel.setArg<cl_uint>(idx++, height); + enqueue(queue, *this, slice); + } + while(window.slide_window_slice_2D(slice)); +} |