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Diffstat (limited to 'src/runtime/NEON/functions/NEHistogram.cpp')
-rw-r--r-- | src/runtime/NEON/functions/NEHistogram.cpp | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/runtime/NEON/functions/NEHistogram.cpp b/src/runtime/NEON/functions/NEHistogram.cpp new file mode 100644 index 0000000000..c42b2a56e0 --- /dev/null +++ b/src/runtime/NEON/functions/NEHistogram.cpp @@ -0,0 +1,58 @@ +/* + * Copyright (c) 2016, 2017 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/runtime/NEON/functions/NEHistogram.h" + +#include "arm_compute/core/Error.h" +#include "arm_compute/core/Helpers.h" +#include "arm_compute/core/IDistribution1D.h" +#include "arm_compute/core/ITensor.h" +#include "arm_compute/core/TensorInfo.h" +#include "arm_compute/core/Validate.h" +#include "arm_compute/runtime/NEON/NEScheduler.h" + +using namespace arm_compute; + +NEHistogram::NEHistogram() + : _histogram_kernel(), _local_hist(), _window_lut(arm_compute::cpp14::make_unique<uint32_t[]>(window_lut_default_size)), _local_hist_size(0) +{ +} + +void NEHistogram::configure(const IImage *input, IDistribution1D *output) +{ + ARM_COMPUTE_ERROR_ON_TENSOR_NOT_2D(input); + ARM_COMPUTE_ERROR_ON(nullptr == output); + + // Allocate space for threads local histograms + _local_hist_size = output->num_bins() * NEScheduler::get().num_threads(); + _local_hist = arm_compute::cpp14::make_unique<uint32_t[]>(_local_hist_size); + + // Configure kernel + _histogram_kernel.configure(input, output, _local_hist.get(), _window_lut.get()); +} + +void NEHistogram::run() +{ + // Calculate histogram of input. + NEScheduler::get().schedule(&_histogram_kernel, Window::DimY); +} |