| /* |
| * Copyright (c) 2016-2018 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/NEON/kernels/NEFillArrayKernel.h" |
| |
| #include "arm_compute/core/Coordinates.h" |
| #include "arm_compute/core/Error.h" |
| #include "arm_compute/core/Helpers.h" |
| #include "arm_compute/core/IAccessWindow.h" |
| #include "arm_compute/core/Validate.h" |
| |
| using namespace arm_compute; |
| |
| NEFillArrayKernel::NEFillArrayKernel() |
| : _input(nullptr), _output(nullptr), _threshold(0) |
| { |
| } |
| |
| void NEFillArrayKernel::configure(const IImage *input, uint8_t threshold, IKeyPointArray *output) |
| { |
| ARM_COMPUTE_ERROR_ON_TENSOR_NOT_2D(input); |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8); |
| ARM_COMPUTE_ERROR_ON(nullptr == output); |
| |
| _input = input; |
| _output = output; |
| _threshold = threshold; |
| |
| constexpr unsigned int num_elems_processed_per_iteration = 1; |
| constexpr unsigned int num_elems_read_per_iteration = 1; |
| |
| // Configure kernel window |
| Window win = calculate_max_window(*input->info(), Steps(num_elems_processed_per_iteration)); |
| |
| update_window_and_padding(win, AccessWindowHorizontal(input->info(), 0, num_elems_read_per_iteration)); |
| |
| INEKernel::configure(win); |
| } |
| |
| bool NEFillArrayKernel::is_parallelisable() const |
| { |
| return false; |
| } |
| |
| void NEFillArrayKernel::run(const Window &window, const ThreadInfo &info) |
| { |
| ARM_COMPUTE_UNUSED(info); |
| ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window); |
| |
| Iterator input(_input, window); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| const uint8_t value = *input.ptr(); |
| |
| if(value >= _threshold) |
| { |
| KeyPoint p; |
| p.x = id.x(); |
| p.y = id.y(); |
| p.strength = value; |
| p.tracking_status = 1; |
| p.scale = 0.f; |
| p.orientation = 0.f; |
| p.error = 0.f; |
| |
| if(!_output->push_back(p)) |
| { |
| return; //Overflowed: stop trying to add more points |
| } |
| } |
| }, |
| input); |
| } |