1 // 2 // Copyright © 2021 Arm Ltd and Contributors. All rights reserved. 3 // SPDX-License-Identifier: MIT 4 // 5 6 #pragma once 7 8 #include "LayerWithParameters.hpp" 9 10 namespace armnn 11 { 12 13 class ShapeLayer : public Layer 14 { 15 public: 16 /// Makes a workload for the Shape type. 17 /// @param [in] graph The graph where this layer can be found. 18 /// @param [in] factory The workload factory which will create the workload. 19 /// @return A pointer to the created workload, or nullptr if not created. 20 virtual std::unique_ptr<IWorkload> CreateWorkload(const IWorkloadFactory& factory) const override; 21 22 /// Creates a dynamically-allocated copy of this layer. 23 /// @param [in] graph The graph into which this layer is being cloned. 24 ShapeLayer* Clone(Graph& graph) const override; 25 26 /// Check if the input tensor shape(s) 27 /// will lead to a valid configuration of @ref ShapeLayer. 28 /// @param [in] shapeInferenceMethod Indicates if output shape shall be overwritten or just validated. 29 void ValidateTensorShapesFromInputs() override; 30 31 /// By default returns inputShapes if the number of inputs are equal to number of outputs, 32 /// otherwise infers the output shapes from given input shapes and layer properties. 33 /// @param [in] inputShapes The input shapes layer has. 34 /// @return A vector to the inferred output shape. 35 std::vector<TensorShape> InferOutputShapes(const std::vector<TensorShape>& inputShapes) const override; 36 37 void ExecuteStrategy(IStrategy& strategy) const override; 38 39 protected: 40 /// Constructor to create a ShapeLayer. 41 /// @param [in] name Optional name for the layer. 42 ShapeLayer(const char* name); 43 44 /// Default destructor. 45 ~ShapeLayer() = default; 46 }; 47 48 } // namespace armnn 49