diff options
Diffstat (limited to 'src/armnn/layers')
-rw-r--r-- | src/armnn/layers/ResizeLayer.cpp | 76 | ||||
-rw-r--r-- | src/armnn/layers/ResizeLayer.hpp | 49 |
2 files changed, 125 insertions, 0 deletions
diff --git a/src/armnn/layers/ResizeLayer.cpp b/src/armnn/layers/ResizeLayer.cpp new file mode 100644 index 0000000000..44b4d9df5f --- /dev/null +++ b/src/armnn/layers/ResizeLayer.cpp @@ -0,0 +1,76 @@ +// +// Copyright © 2017 Arm Ltd. All rights reserved. +// SPDX-License-Identifier: MIT +// +#include "ResizeLayer.hpp" + +#include "LayerCloneBase.hpp" + +#include <armnn/TypesUtils.hpp> + +#include <backendsCommon/WorkloadData.hpp> +#include <backendsCommon/WorkloadFactory.hpp> + +#include <DataLayoutIndexed.hpp> + +using namespace armnnUtils; + +namespace armnn +{ + +ResizeLayer::ResizeLayer(const ResizeDescriptor& param, const char* name) + : LayerWithParameters(1, 1, LayerType::Resize, param, name) +{ +} + +std::unique_ptr<IWorkload> ResizeLayer::CreateWorkload(const Graph& graph, + const IWorkloadFactory& factory) const +{ + ResizeQueueDescriptor descriptor; + return factory.CreateResize(descriptor, PrepInfoAndDesc(descriptor, graph)); +} + +ResizeLayer* ResizeLayer::Clone(Graph& graph) const +{ + return CloneBase<ResizeLayer>(graph, m_Param, GetName()); +} + +std::vector<TensorShape> ResizeLayer::InferOutputShapes(const std::vector<TensorShape>& inputShapes) const +{ + BOOST_ASSERT(inputShapes.size() == 1); + + const TensorShape& inputShape = inputShapes[0]; + const DataLayoutIndexed dimensionIndices = m_Param.m_DataLayout; + + unsigned int outWidth = m_Param.m_TargetWidth; + unsigned int outHeight = m_Param.m_TargetHeight; + unsigned int outChannels = inputShape[dimensionIndices.GetChannelsIndex()]; + unsigned int outBatch = inputShape[0]; + + TensorShape tensorShape = m_Param.m_DataLayout == armnn::DataLayout::NHWC ? + TensorShape( { outBatch, outHeight, outWidth, outChannels } ) : + TensorShape( { outBatch, outChannels, outHeight, outWidth }); + + return std::vector<TensorShape>({ tensorShape }); +} + +void ResizeLayer::ValidateTensorShapesFromInputs() +{ + VerifyLayerConnections(1, CHECK_LOCATION()); + + auto inferredShapes = InferOutputShapes({ GetInputSlot(0).GetConnection()->GetTensorInfo().GetShape() }); + + BOOST_ASSERT(inferredShapes.size() == 1); + + ConditionalThrowIfNotEqual<LayerValidationException>( + "ResizeLayer: TensorShape set on OutputSlot[0] does not match the inferred shape.", + GetOutputSlot(0).GetTensorInfo().GetShape(), + inferredShapes[0]); +} + +void ResizeLayer::Accept(ILayerVisitor& visitor) const +{ + visitor.VisitResizeLayer(this, GetParameters(), GetName()); +} + +} // namespace armnn diff --git a/src/armnn/layers/ResizeLayer.hpp b/src/armnn/layers/ResizeLayer.hpp new file mode 100644 index 0000000000..0d309ff49b --- /dev/null +++ b/src/armnn/layers/ResizeLayer.hpp @@ -0,0 +1,49 @@ +// +// Copyright © 2017 Arm Ltd. All rights reserved. +// SPDX-License-Identifier: MIT +// +#pragma once + +#include "LayerWithParameters.hpp" + +namespace armnn +{ + +/// This layer represents a resize operation. +class ResizeLayer : public LayerWithParameters<ResizeDescriptor> +{ +public: + /// Makes a workload for the Resize 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. + ResizeLayer* Clone(Graph& graph) const override; + + /// Check if the input tensor shape(s) + /// will lead to a valid configuration of @ref ResizeLayer. + 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 ResizeLayerLayer. + /// @param [in] param ResizeDescriptor to configure the resize operation. + /// @param [in] name Optional name for the layer. + ResizeLayer(const ResizeDescriptor& param, const char* name); + + /// Default destructor + ~ResizeLayer() = default; +}; + +} // namespace armnn |