ReverseV2Layer.cpp

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//
// Copyright © 2024 Arm Ltd and Contributors. All rights reserved.
// SPDX-License-Identifier: MIT
//
 
#include "ReverseV2Layer.hpp"
 
#include <armnn/backends/WorkloadFactory.hpp>
#include "layers/LayerCloneBase.hpp"
 
namespace armnn
{
ReverseV2Layer::ReverseV2Layer(const char* name)
    : Layer(2, 1, LayerType::ReverseV2, name)
{
}
 
std::unique_ptr<IWorkload> ReverseV2Layer::CreateWorkload(const armnn::IWorkloadFactory &factory) const
{
    ReverseV2QueueDescriptor descriptor;
    SetAdditionalInfo(descriptor);
 
    return factory.CreateWorkload(LayerType::ReverseV2, descriptor, PrepInfoAndDesc(descriptor));
}
 
ReverseV2Layer* ReverseV2Layer::Clone(armnn::Graph &graph) const
{
    auto layer = CloneBase<ReverseV2Layer>(graph, GetName());
 
    return std::move(layer);
}
 
std::vector<TensorShape> ReverseV2Layer::InferOutputShapes(const std::vector<TensorShape>& inputShapes) const
{
    if (inputShapes.size() != 2)
    {
        throw armnn::Exception("inputShapes' size is \"" + std::to_string(inputShapes.size()) +
                               "\" - should be \"2\".");
    }
 
    const auto inputDims = inputShapes[0].GetNumDimensions();
 
    std::vector<unsigned int> dimSizes(inputDims);
    for (unsigned i=0;  i<inputDims;  i++)
    {
        dimSizes[i] = inputShapes[0][i];
    }
 
    TensorShape outputShape({ inputDims, dimSizes.data() });
 
    return std::vector<TensorShape>({ outputShape });
}
 
void ReverseV2Layer::ValidateTensorShapesFromInputs()
{
    VerifyLayerConnections(2, CHECK_LOCATION());
 
    const TensorShape& outputShape = GetOutputSlot(0).GetTensorInfo().GetShape();
 
    VerifyShapeInferenceType(outputShape, m_ShapeInferenceMethod);
 
    auto inferredShapes = InferOutputShapes({
        GetInputSlot(0).GetTensorInfo().GetShape(),
        GetInputSlot(1).GetTensorInfo().GetShape()});
 
    if (inferredShapes.size() != 1)
    {
        throw armnn::LayerValidationException("inferredShapes has "
                                              + std::to_string(inferredShapes.size()) +
                                              " elements - should only have 1.");
    }
 
    ValidateAndCopyShape(outputShape, inferredShapes[0], m_ShapeInferenceMethod, "ReverseV2Layer");
}
 
void ReverseV2Layer::ExecuteStrategy(IStrategy& strategy) const
{
    strategy.ExecuteStrategy(this, BaseDescriptor(), {}, GetName());
}
 
}