| /* |
| * Copyright (c) 2017-2019 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/CPP/kernels/CPPUpsampleKernel.h" |
| |
| #include "arm_compute/core/Error.h" |
| #include "arm_compute/core/Helpers.h" |
| #include "arm_compute/core/ITensor.h" |
| #include "arm_compute/core/TensorInfo.h" |
| #include "arm_compute/core/Types.h" |
| #include "arm_compute/core/Validate.h" |
| #include "arm_compute/core/utils/misc/ShapeCalculator.h" |
| |
| #include <cstddef> |
| #include <cstdint> |
| |
| namespace arm_compute |
| { |
| CPPUpsampleKernel::CPPUpsampleKernel() |
| : _input(nullptr), _output(nullptr), _info() |
| { |
| } |
| |
| bool CPPUpsampleKernel::is_parallelisable() const |
| { |
| return false; |
| } |
| |
| void CPPUpsampleKernel::configure(const ITensor *input, ITensor *output, const PadStrideInfo &info) |
| { |
| ARM_COMPUTE_ERROR_ON_NULLPTR(input, output); |
| |
| _input = input; |
| _output = output; |
| _info = info; |
| |
| // Configure kernel window |
| Window win = calculate_max_window(*input->info(), Steps()); |
| |
| // The CPPUpsampleKernel doesn't need padding so update_window_and_padding() can be skipped |
| Coordinates coord; |
| coord.set_num_dimensions(output->info()->num_dimensions()); |
| output->info()->set_valid_region(ValidRegion(coord, output->info()->tensor_shape())); |
| |
| ICPPKernel::configure(win); |
| } |
| |
| void CPPUpsampleKernel::run(const Window &window, const ThreadInfo &info) |
| { |
| ARM_COMPUTE_UNUSED(info); |
| ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICPPKernel::window(), window); |
| |
| // Initialize _scaled_output buffer |
| const int width_scaled = _output->info()->dimension(0); |
| const int height_scaled = _output->info()->dimension(1); |
| const int stride_x = _info.stride().first; |
| const int stride_y = _info.stride().second; |
| const int start_x = _info.pad_left(); |
| const int start_y = _info.pad_top(); |
| const int end_x = width_scaled - _info.pad_right(); |
| const int end_y = height_scaled - _info.pad_bottom(); |
| const size_t element_size = _input->info()->element_size(); |
| |
| //The fill value is normally 0, but for QASYMM8 the '0' corresponds to the offset |
| const uint8_t fill_value = _output->info()->data_type() == DataType::QASYMM8 ? utility::clamp<uint8_t>(_output->info()->quantization_info().uniform().offset) : 0; |
| //Filling a value different than 0 works only for QASYMM8 datatype since we are filling 1byte values in a buffer of uint8_ts |
| std::fill_n(_output->buffer(), _output->info()->total_size(), fill_value); |
| |
| // Create window |
| Window window_out(window); |
| window_out.set(Window::DimX, Window::Dimension(start_x, end_x, stride_x)); |
| window_out.set(Window::DimY, Window::Dimension(start_y, end_y, stride_y)); |
| |
| // Create iterators |
| Iterator in(_input, window); |
| Iterator out(_output, window_out); |
| |
| execute_window_loop(window, [&](const Coordinates &) |
| { |
| memcpy(out.ptr(), in.ptr(), element_size); |
| }, |
| in, out); |
| } |
| } // namespace arm_compute |