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/runtime/NEON/functions/NEHOGGradient.h" |
| 25 | |
| 26 | #include "arm_compute/core/Helpers.h" |
| 27 | #include "arm_compute/core/NEON/kernels/NEMagnitudePhaseKernel.h" |
| 28 | #include "arm_compute/core/Validate.h" |
| 29 | #include "arm_compute/runtime/NEON/NEScheduler.h" |
| 30 | |
| 31 | using namespace arm_compute; |
| 32 | |
| 33 | NEHOGGradient::NEHOGGradient() |
| 34 | : _derivative(), _mag_phase(nullptr), _gx(), _gy() |
| 35 | { |
| 36 | } |
| 37 | |
| 38 | void NEHOGGradient::configure(ITensor *input, ITensor *output_magnitude, ITensor *output_phase, PhaseType phase_type, BorderMode border_mode, uint8_t constant_border_value) |
| 39 | { |
| 40 | ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8); |
| 41 | ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output_magnitude, 1, DataType::S16); |
| 42 | ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output_phase, 1, DataType::U8); |
| 43 | |
| 44 | const TensorShape &shape_img = input->info()->tensor_shape(); |
| 45 | |
| 46 | // Allocate image memory |
| 47 | TensorInfo info(shape_img, Format::S16); |
| 48 | _gx.allocator()->init(info); |
| 49 | _gy.allocator()->init(info); |
| 50 | |
| 51 | // Initialise derivate kernel |
| 52 | _derivative.configure(input, &_gx, &_gy, border_mode, constant_border_value); |
| 53 | |
| 54 | // Initialise magnitude/phase kernel |
| 55 | if(PhaseType::UNSIGNED == phase_type) |
| 56 | { |
| 57 | auto k = arm_compute::cpp14::make_unique<NEMagnitudePhaseKernel<MagnitudeType::L2NORM, PhaseType::UNSIGNED>>(); |
| 58 | k->configure(&_gx, &_gy, output_magnitude, output_phase); |
| 59 | _mag_phase = std::move(k); |
| 60 | } |
| 61 | else |
| 62 | { |
| 63 | auto k = arm_compute::cpp14::make_unique<NEMagnitudePhaseKernel<MagnitudeType::L2NORM, PhaseType::SIGNED>>(); |
| 64 | k->configure(&_gx, &_gy, output_magnitude, output_phase); |
| 65 | _mag_phase = std::move(k); |
| 66 | } |
| 67 | |
| 68 | // Allocate intermediate tensors |
| 69 | _gx.allocator()->allocate(); |
| 70 | _gy.allocator()->allocate(); |
| 71 | } |
| 72 | |
| 73 | void NEHOGGradient::run() |
| 74 | { |
| 75 | // Run derivative |
| 76 | _derivative.run(); |
| 77 | |
| 78 | // Run magnitude/phase kernel |
| 79 | NEScheduler::get().schedule(_mag_phase.get(), Window::DimY); |
| 80 | } |