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/*
* Copyright (c) 2017-2021 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/NEFlattenLayer.h"
#include "arm_compute/core/TensorInfo.h"
#include "arm_compute/core/utils/misc/ShapeCalculator.h"
#include "arm_compute/core/Validate.h"
#include "src/core/helpers/AutoConfiguration.h"
#include "src/cpu/operators/CpuFlatten.h"
namespace arm_compute
{
struct NEFlattenLayer::Impl
{
const ITensor *src{nullptr};
ITensor *dst{nullptr};
std::unique_ptr<cpu::CpuFlatten> op{nullptr};
};
NEFlattenLayer::NEFlattenLayer() : _impl(std::make_unique<Impl>())
{
}
NEFlattenLayer::NEFlattenLayer(NEFlattenLayer &&) = default;
NEFlattenLayer &NEFlattenLayer::operator=(NEFlattenLayer &&) = default;
NEFlattenLayer::~NEFlattenLayer() = default;
void NEFlattenLayer::configure(const ITensor *input, ITensor *output)
{
ARM_COMPUTE_ERROR_ON_NULLPTR(input, output);
_impl->src = input;
_impl->dst = output;
auto_init_if_empty(*output->info(), input->info()->clone()->set_tensor_shape(
misc::shape_calculator::compute_flatten_shape(input->info())));
_impl->op = std::make_unique<cpu::CpuFlatten>();
_impl->op->configure(_impl->src->info(), _impl->dst->info());
}
Status NEFlattenLayer::validate(const ITensorInfo *input, const ITensorInfo *output)
{
// Checks performed when output is configured
if (output->total_size() != 0)
{
const TensorInfo tensor_info_output =
input->clone()->set_tensor_shape(misc::shape_calculator::compute_flatten_shape(input));
ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(output, &tensor_info_output);
}
return cpu::CpuFlatten::validate(input, output);
}
void NEFlattenLayer::run()
{
ITensorPack pack;
pack.add_tensor(TensorType::ACL_SRC, _impl->src);
pack.add_tensor(TensorType::ACL_DST, _impl->dst);
_impl->op->run(pack);
}
} // namespace arm_compute
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