1 // 2 // Copyright © 2017 Arm Ltd and Contributors. All rights reserved. 3 // SPDX-License-Identifier: MIT 4 // 5 #pragma once 6 7 #include "LayerWithParameters.hpp" 8 9 #include <armnn/utility/PolymorphicDowncast.hpp> 10 11 namespace armnn 12 { 13 14 /// This layer represents a reshape operation. 15 class ReshapeLayer : public LayerWithParameters<ReshapeDescriptor> 16 { 17 public: 18 /// Makes a workload for the Reshape type. 19 /// @param [in] graph The graph where this layer can be found. 20 /// @param [in] factory The workload factory which will create the workload. 21 /// @return A pointer to the created workload, or nullptr if not created. 22 virtual std::unique_ptr<IWorkload> CreateWorkload(const IWorkloadFactory& factory) const override; 23 24 /// Creates a dynamically-allocated copy of this layer. 25 /// @param [in] graph The graph into which this layer is being cloned. 26 ReshapeLayer* Clone(Graph& graph) const override; 27 28 /// Check if the input tensor shape(s) 29 /// will lead to a valid configuration of @ref ReshapeLayer. 30 /// @param [in] shapeInferenceMethod Indicates if output shape shall be overwritten or just validated. 31 void ValidateTensorShapesFromInputs() override; 32 33 /// By default returns inputShapes if the number of inputs are equal to number of outputs, 34 /// otherwise infers the output shapes from given input shapes and layer properties. 35 /// @param [in] inputShapes The input shapes layer has. 36 /// @return A vector to the inferred output shape. 37 std::vector<TensorShape> InferOutputShapes(const std::vector<TensorShape>& inputShapes) const override; 38 39 /// Indicates if the other layer received is equal to this one. 40 /// @param other The other layer to be compared with. 41 /// @return true if other layer is equal to this false otherwise. IsEqual(const Layer & other) const42 bool IsEqual(const Layer& other) const 43 { 44 return (other.GetType() == LayerType::Reshape) && 45 m_Param.m_TargetShape == PolymorphicDowncast<const ReshapeLayer*>(&other)->m_Param.m_TargetShape; 46 } 47 48 void ExecuteStrategy(IStrategy& strategy) const override; 49 50 51 protected: 52 /// Constructor to create a ReshapeLayer. 53 /// @param [in] param ReshapeDescriptor to configure the reshape operation. 54 /// @param [in] name Optional name for the layer. 55 ReshapeLayer(const ReshapeDescriptor& desc, const char* name); 56 57 /// Default destructor 58 ~ReshapeLayer() = default; 59 }; 60 61 } // namespace 62