Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1 | /* |
Anthony Barbier | b6eb353 | 2018-08-08 13:20:04 +0100 | [diff] [blame] | 2 | * Copyright (c) 2016-2018 ARM Limited. |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 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/CLHarrisCornersKernel.h" |
| 25 | |
Giorgio Arena | fc2817d | 2017-06-27 17:26:37 +0100 | [diff] [blame] | 26 | #include "arm_compute/core/AccessWindowStatic.h" |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 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/Types.h" |
| 35 | #include "arm_compute/core/Validate.h" |
| 36 | #include "arm_compute/core/Window.h" |
| 37 | |
| 38 | #include <set> |
| 39 | #include <sstream> |
| 40 | #include <string> |
| 41 | |
| 42 | using namespace arm_compute; |
| 43 | |
| 44 | CLHarrisScoreKernel::CLHarrisScoreKernel() |
| 45 | : _input1(nullptr), _input2(nullptr), _output(nullptr), _sensitivity(), _strength_thresh(), _norm_factor(), _border_size(0) |
| 46 | { |
| 47 | } |
| 48 | |
| 49 | BorderSize CLHarrisScoreKernel::border_size() const |
| 50 | { |
| 51 | return _border_size; |
| 52 | } |
| 53 | |
| 54 | void CLHarrisScoreKernel::configure(const ICLImage *input1, const ICLImage *input2, ICLImage *output, |
| 55 | int32_t block_size, float norm_factor, float strength_thresh, float sensitivity, |
| 56 | bool border_undefined) |
| 57 | { |
| 58 | ARM_COMPUTE_ERROR_ON_TENSOR_NOT_2D(input1); |
| 59 | ARM_COMPUTE_ERROR_ON_TENSOR_NOT_2D(input2); |
| 60 | ARM_COMPUTE_ERROR_ON_TENSOR_NOT_2D(output); |
| 61 | ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input1, 1, DataType::S16, DataType::S32); |
| 62 | ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input2, 1, DataType::S16, DataType::S32); |
| 63 | ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::F32); |
| 64 | ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input1, input2); |
| 65 | ARM_COMPUTE_ERROR_ON(!(block_size == 3 || block_size == 5 || block_size == 7)); |
| 66 | ARM_COMPUTE_ERROR_ON(0.0f == norm_factor); |
| 67 | |
| 68 | _input1 = input1; |
| 69 | _input2 = input2; |
| 70 | _output = output; |
| 71 | _sensitivity = sensitivity; |
| 72 | _strength_thresh = strength_thresh; |
| 73 | _norm_factor = norm_factor; |
| 74 | _border_size = BorderSize(block_size / 2); |
| 75 | |
| 76 | // Select kernel |
| 77 | std::stringstream harris_score_kernel_name; |
| 78 | harris_score_kernel_name << "harris_score_" << block_size << "x" << block_size; |
| 79 | |
| 80 | // Create build options |
| 81 | std::set<std::string> build_opts = { ("-DDATA_TYPE=" + get_cl_type_from_data_type(input1->info()->data_type())) }; |
| 82 | |
| 83 | // Create kernel |
| 84 | _kernel = static_cast<cl::Kernel>(CLKernelLibrary::get().create_kernel(harris_score_kernel_name.str(), build_opts)); |
| 85 | |
| 86 | // Set static kernel arguments |
| 87 | unsigned int idx = 3 * num_arguments_per_2D_tensor(); //Skip the input and output parameters |
| 88 | _kernel.setArg(idx++, sensitivity); |
| 89 | _kernel.setArg(idx++, strength_thresh); |
| 90 | _kernel.setArg(idx++, norm_factor); |
| 91 | |
| 92 | // Configure kernel window |
| 93 | constexpr unsigned int num_elems_processed_per_iteration = 4; |
| 94 | constexpr unsigned int num_elems_written_per_iteration = 4; |
Giorgio Arena | fc2817d | 2017-06-27 17:26:37 +0100 | [diff] [blame] | 95 | const unsigned int num_elems_read_per_iteration = block_size == 7 ? 10 : 8; |
| 96 | const unsigned int num_rows_read_per_iteration = block_size; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 97 | |
| 98 | Window win = calculate_max_window(*_input1->info(), Steps(num_elems_processed_per_iteration), border_undefined, border_size()); |
| 99 | |
| 100 | AccessWindowRectangle input1_access(input1->info(), -border_size().left, -border_size().top, num_elems_read_per_iteration, num_rows_read_per_iteration); |
| 101 | AccessWindowRectangle input2_access(input2->info(), -border_size().left, -border_size().top, num_elems_read_per_iteration, num_rows_read_per_iteration); |
| 102 | AccessWindowHorizontal output_access(output->info(), 0, num_elems_written_per_iteration); |
| 103 | |
| 104 | update_window_and_padding(win, input1_access, input2_access, output_access); |
| 105 | |
| 106 | ValidRegion valid_region = intersect_valid_regions(input1->info()->valid_region(), input2->info()->valid_region()); |
| 107 | output_access.set_valid_region(win, valid_region, border_undefined, border_size()); |
| 108 | |
Anthony Barbier | b6eb353 | 2018-08-08 13:20:04 +0100 | [diff] [blame] | 109 | ICLKernel::configure_internal(win); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 110 | } |
| 111 | |
| 112 | void CLHarrisScoreKernel::run(const Window &window, cl::CommandQueue &queue) |
| 113 | { |
| 114 | ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| 115 | ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICLKernel::window(), window); |
| 116 | |
| 117 | Window slice = window.first_slice_window_2D(); |
| 118 | do |
| 119 | { |
| 120 | unsigned int idx = 0; |
| 121 | add_2D_tensor_argument(idx, _input1, slice); |
| 122 | add_2D_tensor_argument(idx, _input2, slice); |
| 123 | add_2D_tensor_argument(idx, _output, slice); |
| 124 | enqueue(queue, *this, slice); |
| 125 | } |
| 126 | while(window.slide_window_slice_2D(slice)); |
| 127 | } |