1 // 2 // Copyright © 2020,2022 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 transpose operation. 15 class TransposeLayer : public LayerWithParameters<TransposeDescriptor> 16 { 17 public: 18 /// Makes a workload for the Transpose type. 19 /// @param [in] factory The workload factory which will create the workload. 20 /// @return A pointer to the created workload, or nullptr if not created. 21 virtual std::unique_ptr<IWorkload> CreateWorkload(const IWorkloadFactory& factory) const override; 22 23 /// Creates a dynamically-allocated copy of this layer. 24 /// @param [in] graph The graph into which this layer is being cloned. 25 TransposeLayer* Clone(Graph& graph) const override; 26 27 /// Check if the input tensor shape(s) 28 /// will lead to a valid configuration of @ref TransposeLayer. 29 void ValidateTensorShapesFromInputs() override; 30 31 /// Infers the output shapes from given input shapes and the permutation vector. 32 /// @param [in] inputShapes The input shapes layer has. 33 /// @return A vector to the inferred output shape. 34 std::vector<TensorShape> InferOutputShapes(const std::vector<TensorShape>& inputShapes) const override; 35 36 /// @return a permutation vector describing the permutation for the dimensions of the input tensor. GetPermutation() const37 const PermutationVector& GetPermutation() const 38 { 39 return m_Param.m_DimMappings; 40 } 41 42 /// Indicates if the other layer received is inverse of this one. 43 /// @param [in] other The other layer to be compared with. 44 /// @return true if other layer is inverse of this false otherwise. IsInverse(const Layer & other) const45 bool IsInverse(const Layer& other) const 46 { 47 return (other.GetType() == LayerType::Transpose) && 48 GetPermutation().IsInverse(PolymorphicDowncast<const TransposeLayer*>(&other)->GetPermutation()); 49 } 50 51 /// Indicates if the other layer received is equal to this one. 52 /// @param [in] other The other layer to be compare with. 53 /// @return true if other layer is equal to this false otherwise. IsEqual(const Layer & other) const54 bool IsEqual(const Layer& other) const 55 { 56 return (other.GetType() == LayerType::Transpose) && 57 GetPermutation().IsEqual(PolymorphicDowncast<const TransposeLayer*>(&other)->GetPermutation()); 58 } 59 60 void ExecuteStrategy(IStrategy& strategy) const override; 61 62 63 protected: 64 /// Constructor to create a TransposeLayer. 65 /// @param [in] param TransposeDescriptor to configure the permute operation. 66 /// @param [in] name Optional name for the layer. 67 TransposeLayer(const TransposeDescriptor& param, const char* name); 68 69 /// Default destructor 70 ~TransposeLayer() = default; 71 }; 72 73 } // namespace 74