| /* |
| * Copyright (c) 2017-2020 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 "arm_compute/runtime/CL/functions/CLHOGGradient.h" |
| |
| #include "arm_compute/core/Helpers.h" |
| #include "arm_compute/core/Validate.h" |
| #include "arm_compute/runtime/CL/CLScheduler.h" |
| #include "src/core/CL/kernels/CLFillBorderKernel.h" |
| #include "src/core/CL/kernels/CLMagnitudePhaseKernel.h" |
| |
| using namespace arm_compute; |
| |
| CLHOGGradient::CLHOGGradient(std::shared_ptr<IMemoryManager> memory_manager) |
| : _memory_group(std::move(memory_manager)), |
| _derivative(), |
| _mag_phase(std::make_unique<CLMagnitudePhaseKernel>()), |
| _gx(), |
| _gy() |
| { |
| } |
| |
| void CLHOGGradient::configure(ICLTensor *input, ICLTensor *output_magnitude, ICLTensor *output_phase, PhaseType phase_type, BorderMode border_mode, uint8_t constant_border_value) |
| { |
| configure(CLKernelLibrary::get().get_compile_context(), input, output_magnitude, output_phase, phase_type, border_mode, constant_border_value); |
| } |
| |
| void CLHOGGradient::configure(const CLCompileContext &compile_context, ICLTensor *input, ICLTensor *output_magnitude, ICLTensor *output_phase, PhaseType phase_type, BorderMode border_mode, |
| uint8_t constant_border_value) |
| { |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8); |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output_magnitude, 1, DataType::S16); |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output_phase, 1, DataType::U8); |
| |
| const TensorShape &shape_img = input->info()->tensor_shape(); |
| |
| // Allocate image memory |
| TensorInfo info(shape_img, Format::S16); |
| _gx.allocator()->init(info); |
| _gy.allocator()->init(info); |
| |
| // Manage intermediate buffers |
| _memory_group.manage(&_gx); |
| _memory_group.manage(&_gy); |
| |
| // Initialise derivate kernel |
| _derivative.configure(compile_context, input, &_gx, &_gy, border_mode, constant_border_value); |
| |
| // Initialise magnitude/phase kernel |
| if(PhaseType::UNSIGNED == phase_type) |
| { |
| _mag_phase->configure(compile_context, &_gx, &_gy, output_magnitude, output_phase, MagnitudeType::L2NORM, PhaseType::UNSIGNED); |
| } |
| else |
| { |
| _mag_phase->configure(compile_context, &_gx, &_gy, output_magnitude, output_phase, MagnitudeType::L2NORM, PhaseType::SIGNED); |
| } |
| |
| // Allocate intermediate tensors |
| _gx.allocator()->allocate(); |
| _gy.allocator()->allocate(); |
| } |
| |
| void CLHOGGradient::run() |
| { |
| MemoryGroupResourceScope scope_mg(_memory_group); |
| |
| // Run derivative |
| _derivative.run(); |
| |
| // Run magnitude/phase kernel |
| CLScheduler::get().enqueue(*_mag_phase); |
| } |