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/NEHistogram.h" |
| 25 | |
| 26 | #include "arm_compute/core/Error.h" |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 27 | #include "arm_compute/core/IDistribution1D.h" |
| 28 | #include "arm_compute/core/ITensor.h" |
| 29 | #include "arm_compute/core/TensorInfo.h" |
| 30 | #include "arm_compute/core/Validate.h" |
| 31 | #include "arm_compute/runtime/NEON/NEScheduler.h" |
Moritz Pflanzer | d0ae8b8 | 2017-06-29 14:51:57 +0100 | [diff] [blame] | 32 | #include "support/ToolchainSupport.h" |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 33 | |
| 34 | using namespace arm_compute; |
| 35 | |
| 36 | NEHistogram::NEHistogram() |
Moritz Pflanzer | d0ae8b8 | 2017-06-29 14:51:57 +0100 | [diff] [blame] | 37 | : _histogram_kernel(), _local_hist(), _window_lut(arm_compute::support::cpp14::make_unique<uint32_t[]>(window_lut_default_size)), _local_hist_size(0) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 38 | { |
| 39 | } |
| 40 | |
| 41 | void NEHistogram::configure(const IImage *input, IDistribution1D *output) |
| 42 | { |
| 43 | ARM_COMPUTE_ERROR_ON_TENSOR_NOT_2D(input); |
| 44 | ARM_COMPUTE_ERROR_ON(nullptr == output); |
| 45 | |
| 46 | // Allocate space for threads local histograms |
| 47 | _local_hist_size = output->num_bins() * NEScheduler::get().num_threads(); |
Moritz Pflanzer | d0ae8b8 | 2017-06-29 14:51:57 +0100 | [diff] [blame] | 48 | _local_hist = arm_compute::support::cpp14::make_unique<uint32_t[]>(_local_hist_size); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 49 | |
| 50 | // Configure kernel |
| 51 | _histogram_kernel.configure(input, output, _local_hist.get(), _window_lut.get()); |
| 52 | } |
| 53 | |
| 54 | void NEHistogram::run() |
| 55 | { |
| 56 | // Calculate histogram of input. |
| 57 | NEScheduler::get().schedule(&_histogram_kernel, Window::DimY); |
| 58 | } |