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author | Derek Lamberti <derek.lamberti@arm.com> | 2019-10-21 10:46:16 +0100 |
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committer | Matteo Martincigh <matteo.martincigh@arm.com> | 2019-10-21 12:59:23 +0000 |
commit | 013c390c2d9829fede2d8b1d59c3f2a497730462 (patch) | |
tree | 7918e1e4e3445a741695772864d200b3979dd1f8 /src/armnn/layers | |
parent | e80ebd101b516751a798aa1b1d669e9117a32266 (diff) | |
download | armnn-013c390c2d9829fede2d8b1d59c3f2a497730462.tar.gz |
IVGCVSW-4009 StandInLayer frontend API
Change-Id: I058c57b554769799c6775813215070ef47790e3d
Signed-off-by: Derek Lamberti <derek.lamberti@arm.com>
Diffstat (limited to 'src/armnn/layers')
-rw-r--r-- | src/armnn/layers/StandInLayer.cpp | 47 | ||||
-rw-r--r-- | src/armnn/layers/StandInLayer.hpp | 56 |
2 files changed, 103 insertions, 0 deletions
diff --git a/src/armnn/layers/StandInLayer.cpp b/src/armnn/layers/StandInLayer.cpp new file mode 100644 index 0000000000..fdc905fea2 --- /dev/null +++ b/src/armnn/layers/StandInLayer.cpp @@ -0,0 +1,47 @@ +// +// Copyright © 2019 Arm Ltd. All rights reserved. +// SPDX-License-Identifier: MIT +// + +#include "StandInLayer.hpp" +#include "LayerCloneBase.hpp" + +namespace armnn +{ + +StandInLayer::StandInLayer(const StandInDescriptor& param, const char* name) + : LayerWithParameters(param.m_NumInputs, 1, LayerType::StandIn, param, name) +{ +} + +std::unique_ptr<IWorkload> StandInLayer::CreateWorkload(const Graph& graph, const IWorkloadFactory& factory) const +{ + // This throws in the event that it's called. We would expect that any backend that + // "claims" to support the StandInLayer type would actually substitute it with a PrecompiledLayer + // during graph optimization. There is no interface on the IWorkloadFactory to create a StandInWorkload. + throw Exception("Stand in layer does not support creating workloads"); +} + +StandInLayer* StandInLayer::Clone(Graph& graph) const +{ + return CloneBase<StandInLayer>(graph, m_Param, GetName()); +} + +std::vector<TensorShape> StandInLayer::InferOutputShapes(const std::vector<TensorShape>& inputShapes) const +{ + throw Exception("Stand in layer does not support infering output shapes"); +} + +void StandInLayer::ValidateTensorShapesFromInputs() +{ + // Cannot validate this layer since no implementation details can be known by the framework + // so do nothing here. +} + +void StandInLayer::Accept(ILayerVisitor& visitor) const +{ + visitor.VisitStandInLayer(this, GetParameters(), GetName()); +} +} //namespace armnn + + diff --git a/src/armnn/layers/StandInLayer.hpp b/src/armnn/layers/StandInLayer.hpp new file mode 100644 index 0000000000..9fe1773a27 --- /dev/null +++ b/src/armnn/layers/StandInLayer.hpp @@ -0,0 +1,56 @@ +// +// Copyright © 2019 Arm Ltd. All rights reserved. +// SPDX-License-Identifier: MIT +// + +#pragma once + +#include "LayerWithParameters.hpp" + +namespace armnn +{ + +/// This layer represents an unknown operation in the input graph. +class StandInLayer : public LayerWithParameters<StandInDescriptor> +{ +public: + /// Empty implementation explictly does NOT create a workload. Throws Exception if called. + /// @param [in] graph The graph where this layer can be found. + /// @param [in] factory The workload factory which will create the workload. + /// @return Does not return anything. Throws Exception if called. + virtual std::unique_ptr<IWorkload>CreateWorkload(const Graph& graph, + const IWorkloadFactory& factory) const override; + + /// Creates a dynamically-allocated copy of this layer. + /// @param [in] graph The graph into which this layer is being cloned. + StandInLayer* Clone(Graph& graph) const override; + + /// Check if the input tensor shape(s) + /// Does nothing since cannot validate any properties of this layer. + void ValidateTensorShapesFromInputs() override; + + /// Empty implementation that throws Exception if called. + /// otherwise infers the output shapes from given input shapes and layer properties. + /// @param [in] inputShapes The input shapes layer has. + /// @return Does not return anything. Throws Exception if called. + std::vector<TensorShape> InferOutputShapes(const std::vector<TensorShape>& inputShapes) const override; + + /// Accepts a visitor object and calls VisitStandInLayer() method. + /// @param visitor The visitor on which to call VisitStandInLayer() method. + void Accept(ILayerVisitor& visitor) const override; + +protected: + /// Constructor to create a StandInLayer. + /// @param [in] param StandInDescriptor to configure the stand-in operation. + /// @param [in] name Optional name for the layer. + StandInLayer(const StandInDescriptor& param, const char* name); + + /// Default destructor + ~StandInLayer() = default; +}; + +} //namespace armnn + + + + |