| /* |
| * 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/CLWarpAffineKernel.h" |
| |
| #include "arm_compute/core/AccessWindowStatic.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/Validate.h" |
| |
| #include <cstddef> |
| #include <set> |
| #include <sstream> |
| #include <string> |
| |
| using namespace arm_compute; |
| |
| namespace |
| { |
| void options_add_matrix(std::set<std::string> &options, const float *matrix, size_t size) |
| { |
| for(size_t i = 0; i < size; ++i) |
| { |
| std::stringstream mat_str; |
| mat_str << "-DMAT" << i << "=" << matrix[i] << " "; |
| options.insert(mat_str.str()); |
| } |
| } |
| } // namespace |
| |
| BorderSize CLWarpAffineKernel::border_size() const |
| { |
| return BorderSize(1); |
| } |
| |
| void CLWarpAffineKernel::configure(const ICLTensor *input, ICLTensor *output, const float *matrix, InterpolationPolicy policy) |
| { |
| 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(InterpolationPolicy::AREA == policy); |
| |
| _input = input; |
| _output = output; |
| |
| // Create build options |
| std::set<std::string> options; |
| options_add_matrix(options, matrix, 6); |
| options.emplace(("-DDATA_TYPE=" + get_cl_type_from_data_type(input->info()->data_type()))); |
| |
| // Create kernel |
| std::string interpolation_name = string_from_interpolation_policy(policy); |
| std::transform(interpolation_name.begin(), interpolation_name.end(), interpolation_name.begin(), ::tolower); |
| std::string kernel_name = "warp_affine_" + interpolation_name; |
| _kernel = static_cast<cl::Kernel>(CLKernelLibrary::get().create_kernel(kernel_name, options)); |
| |
| // Set static kernel arguments |
| unsigned int idx = 2 * num_arguments_per_2D_tensor(); //Skip the input and output parameters |
| _kernel.setArg<cl_int>(idx++, input->info()->dimension(0)); |
| _kernel.setArg<cl_int>(idx++, input->info()->dimension(1)); |
| |
| // Configure kernel window |
| const unsigned int num_elems_processed_per_iteration = 4; |
| |
| Window win = calculate_max_window(*output->info(), Steps(num_elems_processed_per_iteration)); |
| |
| int total_right = ceil_to_multiple(input->info()->dimension(0), num_elems_processed_per_iteration); |
| const int access_right = total_right + (((total_right - input->info()->dimension(0)) == 0) ? border_size().right : 0); |
| |
| AccessWindowStatic input_access(input->info(), -border_size().left, -border_size().top, access_right, input->info()->dimension(1) + border_size().bottom); |
| 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, ValidRegion(Coordinates(), output->info()->tensor_shape())); |
| |
| ICLKernel::configure(win); |
| } |