src/armnn/layers/ReshapeLayer.cpp

   1 //
   2 // Copyright © 2017 Arm Ltd. All rights reserved.
   3 // SPDX-License-Identifier: MIT
   4 //
   5 #include "ReshapeLayer.hpp"
   6
   7 #include "LayerCloneBase.hpp"
   8
   9 #include <armnn/TypesUtils.hpp>
  10 #include <backends/WorkloadData.hpp>
  11 #include <backends/WorkloadFactory.hpp>
  12
  13 namespace armnn
  14 {
  15
  16 ReshapeLayer::ReshapeLayer(const ReshapeDescriptor& param, const char* name)
  17     : LayerWithParameters(1, 1, LayerType::Reshape, param, name)
  18 {
  19 }
  20
  21 std::unique_ptr<IWorkload> ReshapeLayer::CreateWorkload(const Graph& graph,
  22     const IWorkloadFactory& factory) const
  23 {
  24     ReshapeQueueDescriptor descriptor;
  25     return factory.CreateReshape(descriptor, PrepInfoAndDesc(descriptor, graph));
  26 }
  27
  28 ReshapeLayer* ReshapeLayer::Clone(Graph& graph) const
  29 {
  30     return CloneBase<ReshapeLayer>(graph, m_Param, GetName());
  31 }
  32
  33 std::vector<TensorShape> ReshapeLayer::InferOutputShapes(const std::vector<TensorShape>& inputShapes) const
  34 {
  35     return std::vector<TensorShape>({ m_Param.m_TargetShape });
  36 }
  37
  38 void ReshapeLayer::ValidateTensorShapesFromInputs()
  39 {
  40     VerifyLayerConnections(1, CHECK_LOCATION());
  41
  42     auto inferredShapes = InferOutputShapes({  });
  43
  44     BOOST_ASSERT(inferredShapes.size() == 1);
  45
  46     ConditionalThrowIfNotEqual<LayerValidationException>(
  47         "ReshapeLayer: TensorShape set on OutputSlot[0] does not match the inferred shape.",
  48         GetOutputSlot(0).GetTensorInfo().GetShape(),
  49         inferredShapes[0]);
  50 }
  51
  52 } // namespace armnn