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//
// Copyright © 2017 Arm Ltd and Contributors. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include "PadLayer.hpp"
#include "LayerCloneBase.hpp"
#include <backendsCommon/CpuTensorHandle.hpp>
#include <backendsCommon/WorkloadData.hpp>
#include <backendsCommon/WorkloadFactory.hpp>
#include <cstring>
namespace armnn
{
PadLayer::PadLayer(const armnn::PadDescriptor& param, const char* name)
: LayerWithParameters(1, 1, LayerType::Pad, param, name)
{}
std::unique_ptr<IWorkload> PadLayer::CreateWorkload(const armnn::IWorkloadFactory& factory) const
{
PadQueueDescriptor descriptor;
descriptor.m_Parameters.m_PadList = m_Param.m_PadList;
return factory.CreatePad(descriptor, PrepInfoAndDesc(descriptor));
}
PadLayer* PadLayer::Clone(Graph& graph) const
{
auto layer = CloneBase<PadLayer>(graph, m_Param, GetName());
layer->m_Param.m_PadList = m_Param.m_PadList;
return std::move(layer);
}
std::vector<TensorShape> PadLayer::InferOutputShapes(const std::vector<TensorShape>& inputShapes) const
{
ARMNN_ASSERT(inputShapes.size() == 1);
const TensorShape& inputShape = inputShapes[0];
unsigned int rank = inputShape.GetNumDimensions();
ARMNN_ASSERT(m_Param.m_PadList.size() == rank);
ARMNN_ASSERT(rank != 0);
std::vector<unsigned int> outputDimensionSizes;
outputDimensionSizes.reserve(rank);
for (unsigned int i = 0; i < rank; ++i)
{
outputDimensionSizes[i] = inputShape[i] + m_Param.m_PadList[i].first + m_Param.m_PadList[i].second;
}
TensorShape tensorShape = TensorShape( rank, outputDimensionSizes.data());
return std::vector<TensorShape>({ tensorShape });
}
void PadLayer::ValidateTensorShapesFromInputs()
{
VerifyLayerConnections(1, CHECK_LOCATION());
const TensorShape& outputShape = GetOutputSlot(0).GetTensorInfo().GetShape();
VerifyShapeInferenceType(outputShape, m_ShapeInferenceMethod);
auto inferredShapes = InferOutputShapes({ GetInputSlot(0).GetConnection()->GetTensorInfo().GetShape() });
ARMNN_ASSERT(inferredShapes.size() == 1);
ValidateAndCopyShape(outputShape, inferredShapes[0], m_ShapeInferenceMethod, "PadLayer");
}
void PadLayer::Accept(ILayerVisitor& visitor) const
{
visitor.VisitPadLayer(this, GetParameters(), GetName());
}
} // namespace armnn
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