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/CLIntegralImageKernel.h" |
| 25 | |
| 26 | #include "arm_compute/core/CL/CLKernelLibrary.h" |
| 27 | #include "arm_compute/core/CL/ICLTensor.h" |
| 28 | #include "arm_compute/core/CL/OpenCL.h" |
| 29 | #include "arm_compute/core/Helpers.h" |
| 30 | #include "arm_compute/core/TensorInfo.h" |
| 31 | #include "arm_compute/core/Types.h" |
| 32 | #include "arm_compute/core/Validate.h" |
| 33 | #include "arm_compute/core/Window.h" |
| 34 | |
| 35 | #include <cstddef> |
| 36 | |
| 37 | using namespace arm_compute; |
| 38 | |
| 39 | void CLIntegralImageHorKernel::configure(const ICLTensor *input, ICLTensor *output) |
| 40 | { |
| 41 | ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8); |
| 42 | ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U32); |
| 43 | |
| 44 | _input = input; |
| 45 | _output = output; |
| 46 | |
| 47 | // Create kernel |
| 48 | _kernel = static_cast<cl::Kernel>(CLKernelLibrary::get().create_kernel("integral_horizontal")); |
| 49 | |
| 50 | // Configure kernel window |
| 51 | const unsigned int num_elems_processed_per_iteration = input->info()->dimension(0); |
| 52 | const unsigned int num_elems_accessed_per_iteration = ceil_to_multiple(num_elems_processed_per_iteration, 16); |
| 53 | |
| 54 | Window win = calculate_max_window(*input->info(), Steps(num_elems_processed_per_iteration)); |
| 55 | AccessWindowHorizontal output_access(output->info(), 0, num_elems_accessed_per_iteration); |
| 56 | |
| 57 | update_window_and_padding(win, |
| 58 | AccessWindowHorizontal(input->info(), 0, num_elems_accessed_per_iteration), |
| 59 | output_access); |
| 60 | |
| 61 | output_access.set_valid_region(win, input->info()->valid_region()); |
| 62 | |
| 63 | ICLKernel::configure(win); |
| 64 | } |
| 65 | |
| 66 | CLIntegralImageVertKernel::CLIntegralImageVertKernel() |
| 67 | : _in_out(nullptr) |
| 68 | { |
| 69 | } |
| 70 | |
| 71 | void CLIntegralImageVertKernel::configure(ICLTensor *in_out) |
| 72 | { |
| 73 | ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(in_out, 1, DataType::U32); |
| 74 | |
| 75 | _in_out = in_out; |
| 76 | |
| 77 | // Create kernel |
| 78 | _kernel = static_cast<cl::Kernel>(CLKernelLibrary::get().create_kernel("integral_vertical")); |
| 79 | |
| 80 | // Configure kernel window |
| 81 | constexpr unsigned int num_elems_processed_per_iteration_x = 8; |
| 82 | const unsigned int num_elems_processed_per_iteration_y = in_out->info()->dimension(Window::DimY); |
| 83 | |
| 84 | Window win = calculate_max_window(*in_out->info(), Steps(num_elems_processed_per_iteration_x, num_elems_processed_per_iteration_y)); |
| 85 | |
| 86 | AccessWindowRectangle in_out_access(in_out->info(), 0, 0, num_elems_processed_per_iteration_x, num_elems_processed_per_iteration_y); |
| 87 | |
| 88 | update_window_and_padding(win, in_out_access); |
| 89 | |
| 90 | in_out_access.set_valid_region(win, in_out->info()->valid_region()); |
| 91 | |
| 92 | ICLKernel::configure(win); |
| 93 | } |
| 94 | |
| 95 | void CLIntegralImageVertKernel::run(const Window &window, cl::CommandQueue &queue) |
| 96 | { |
| 97 | ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| 98 | ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICLKernel::window(), window); |
| 99 | |
| 100 | const size_t height = _in_out->info()->dimension(1); |
| 101 | |
| 102 | Window slice = window.first_slice_window_2D(); |
| 103 | |
| 104 | do |
| 105 | { |
| 106 | unsigned int idx = 0; |
| 107 | add_2D_tensor_argument(idx, _in_out, slice); |
| 108 | _kernel.setArg<cl_uint>(idx++, height); |
| 109 | enqueue(queue, *this, slice); |
| 110 | } |
| 111 | while(window.slide_window_slice_2D(slice)); |
| 112 | } |