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author | Aron Virginas-Tar <Aron.Virginas-Tar@arm.com> | 2019-09-16 14:27:45 +0100 |
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committer | Áron Virginás-Tar <aron.virginas-tar@arm.com> | 2019-09-17 09:03:43 +0000 |
commit | 636ab40d3741e12eaad11d5b50e4b34bfbb258b5 (patch) | |
tree | defaba57dc28c7b5dbe19075e24b6c8c0cefc9b2 /src/armnn/layers | |
parent | 4dc64a69ba383ece509d442598617445a3b4847f (diff) | |
download | armnn-636ab40d3741e12eaad11d5b50e4b34bfbb258b5.tar.gz |
IVGCVSW-3875 Add frontend for SLICE layer
Signed-off-by: Aron Virginas-Tar <Aron.Virginas-Tar@arm.com>
Change-Id: Iebe675a0cee02db6f133d48ce58cbc1e233061db
Diffstat (limited to 'src/armnn/layers')
-rw-r--r-- | src/armnn/layers/SliceLayer.cpp | 66 | ||||
-rw-r--r-- | src/armnn/layers/SliceLayer.hpp | 49 |
2 files changed, 115 insertions, 0 deletions
diff --git a/src/armnn/layers/SliceLayer.cpp b/src/armnn/layers/SliceLayer.cpp new file mode 100644 index 0000000000..8ea5fd8f25 --- /dev/null +++ b/src/armnn/layers/SliceLayer.cpp @@ -0,0 +1,66 @@ +// +// Copyright © 2019 Arm Ltd. All rights reserved. +// SPDX-License-Identifier: MIT +// + +#include "SliceLayer.hpp" + +#include "LayerCloneBase.hpp" + +#include <armnn/TypesUtils.hpp> + +#include <backendsCommon/WorkloadData.hpp> +#include <backendsCommon/WorkloadFactory.hpp> + +#include <boost/assert.hpp> +#include <boost/numeric/conversion/cast.hpp> + +namespace armnn +{ + +SliceLayer::SliceLayer(const SliceDescriptor& param, const char* name) + : LayerWithParameters(1, 1, LayerType::Slice, param, name) +{ +} + +std::unique_ptr<IWorkload> SliceLayer::CreateWorkload(const Graph& graph, + const IWorkloadFactory& factory) const +{ + SliceQueueDescriptor descriptor; + return factory.CreateSlice(descriptor, PrepInfoAndDesc(descriptor, graph)); +} + +SliceLayer* SliceLayer::Clone(Graph& graph) const +{ + return CloneBase<SliceLayer>(graph, m_Param, GetName()); +} + +void SliceLayer::ValidateTensorShapesFromInputs() +{ + VerifyLayerConnections(1, CHECK_LOCATION()); + + auto inferredShapes = InferOutputShapes({ GetInputSlot(0).GetConnection()->GetTensorInfo().GetShape() }); + + BOOST_ASSERT(inferredShapes.size() == 1); + + ConditionalThrowIfNotEqual<LayerValidationException>( + "SliceLayer: TensorShape set on OutputSlot[0] does not match the inferred shape.", + GetOutputSlot(0).GetTensorInfo().GetShape(), + inferredShapes[0]); +} + +std::vector<TensorShape> SliceLayer::InferOutputShapes(const std::vector<TensorShape>& inputShapes) const +{ + BOOST_ASSERT(inputShapes.size() == 1); + + TensorShape outputShape(boost::numeric_cast<unsigned int>(m_Param.m_Size.size()), m_Param.m_Size.data()); + + return std::vector<TensorShape>({ outputShape }); +} + +void SliceLayer::Accept(ILayerVisitor& visitor) const +{ + visitor.VisitSliceLayer(this, GetParameters(), GetName()); +} + +} // namespace armnn diff --git a/src/armnn/layers/SliceLayer.hpp b/src/armnn/layers/SliceLayer.hpp new file mode 100644 index 0000000000..38f0747f05 --- /dev/null +++ b/src/armnn/layers/SliceLayer.hpp @@ -0,0 +1,49 @@ +// +// Copyright © 2019 Arm Ltd. All rights reserved. +// SPDX-License-Identifier: MIT +// + +#pragma once + +#include "LayerWithParameters.hpp" + +namespace armnn +{ + +class SliceLayer : public LayerWithParameters<SliceDescriptor> +{ +public: + /// Makes a workload for the Slice type. + /// @param [in] graph The graph where this layer can be found. + /// @param [in] factory The workload factory which will create the workload. + /// @return A pointer to the created workload, or nullptr if not created. + 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. + SliceLayer* Clone(Graph& graph) const override; + + /// Check if the input tensor shape(s) + /// will lead to a valid configuration of @ref SliceLayer. + void ValidateTensorShapesFromInputs() override; + + /// By default returns inputShapes if the number of inputs are equal to number of outputs, + /// otherwise infers the output shapes from given input shapes and layer properties. + /// @param [in] inputShapes The input shapes layer has. + /// @return A vector to the inferred output shape. + std::vector<TensorShape> InferOutputShapes(const std::vector<TensorShape>& inputShapes) const override; + + void Accept(ILayerVisitor& visitor) const override; + +protected: + /// Constructor to create a SliceLayer. + /// @param [in] param SliceDescriptor to configure the resize operation. + /// @param [in] name Optional name for the layer. + SliceLayer(const SliceDescriptor& param, const char* name); + + /// Default destructor. + ~SliceLayer() = default; +}; + +} // namespace armnn |