Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2016, 2017 ARM Limited. |
| 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | #include "arm_compute/core/CL/kernels/CLWarpAffineKernel.h" |
| 25 | |
| 26 | #include "arm_compute/core/AccessWindowStatic.h" |
| 27 | #include "arm_compute/core/CL/CLHelpers.h" |
| 28 | #include "arm_compute/core/CL/CLKernelLibrary.h" |
| 29 | #include "arm_compute/core/CL/ICLTensor.h" |
| 30 | #include "arm_compute/core/CL/OpenCL.h" |
| 31 | #include "arm_compute/core/Error.h" |
| 32 | #include "arm_compute/core/Helpers.h" |
| 33 | #include "arm_compute/core/TensorInfo.h" |
| 34 | #include "arm_compute/core/Validate.h" |
| 35 | |
| 36 | #include <cstddef> |
| 37 | #include <set> |
| 38 | #include <sstream> |
| 39 | #include <string> |
| 40 | |
| 41 | using namespace arm_compute; |
| 42 | |
| 43 | namespace |
| 44 | { |
| 45 | void options_add_matrix(std::set<std::string> &options, const float *matrix, size_t size) |
| 46 | { |
| 47 | for(size_t i = 0; i < size; ++i) |
| 48 | { |
| 49 | std::stringstream mat_str; |
| 50 | mat_str << "-DMAT" << i << "=" << matrix[i] << " "; |
| 51 | options.insert(mat_str.str()); |
| 52 | } |
| 53 | } |
| 54 | } // namespace |
| 55 | |
| 56 | BorderSize CLWarpAffineKernel::border_size() const |
| 57 | { |
| 58 | return BorderSize(1); |
| 59 | } |
| 60 | |
| 61 | void CLWarpAffineKernel::configure(const ICLTensor *input, ICLTensor *output, const float *matrix, InterpolationPolicy policy) |
| 62 | { |
| 63 | ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8); |
| 64 | ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U8); |
| 65 | ARM_COMPUTE_ERROR_ON(InterpolationPolicy::AREA == policy); |
| 66 | |
| 67 | _input = input; |
| 68 | _output = output; |
| 69 | |
| 70 | // Create build options |
| 71 | std::set<std::string> options; |
| 72 | options_add_matrix(options, matrix, 6); |
| 73 | options.emplace(("-DDATA_TYPE=" + get_cl_type_from_data_type(input->info()->data_type()))); |
| 74 | |
| 75 | // Create kernel |
| 76 | std::string interpolation_name = string_from_interpolation_policy(policy); |
| 77 | std::transform(interpolation_name.begin(), interpolation_name.end(), interpolation_name.begin(), ::tolower); |
| 78 | std::string kernel_name = "warp_affine_" + interpolation_name; |
| 79 | _kernel = static_cast<cl::Kernel>(CLKernelLibrary::get().create_kernel(kernel_name, options)); |
| 80 | |
| 81 | // Set static kernel arguments |
| 82 | unsigned int idx = 2 * num_arguments_per_2D_tensor(); //Skip the input and output parameters |
| 83 | _kernel.setArg<cl_int>(idx++, input->info()->dimension(0)); |
| 84 | _kernel.setArg<cl_int>(idx++, input->info()->dimension(1)); |
| 85 | |
| 86 | // Configure kernel window |
| 87 | const unsigned int num_elems_processed_per_iteration = 4; |
| 88 | |
| 89 | Window win = calculate_max_window(*output->info(), Steps(num_elems_processed_per_iteration)); |
| 90 | |
Isabella Gottardi | 83be745 | 2017-08-29 13:47:03 +0100 | [diff] [blame] | 91 | int total_right = ceil_to_multiple(input->info()->dimension(0), num_elems_processed_per_iteration); |
| 92 | const int access_right = total_right + (((total_right - input->info()->dimension(0)) == 0) ? border_size().right : 0); |
| 93 | |
| 94 | AccessWindowStatic input_access(input->info(), -border_size().left, -border_size().top, access_right, input->info()->dimension(1) + border_size().bottom); |
| 95 | AccessWindowHorizontal output_access(output->info(), 0, num_elems_processed_per_iteration); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 96 | |
| 97 | update_window_and_padding(win, input_access, output_access); |
| 98 | |
| 99 | output_access.set_valid_region(win, ValidRegion(Coordinates(), output->info()->tensor_shape())); |
| 100 | |
| 101 | ICLKernel::configure(win); |
| 102 | } |