1 //
2 // Copyright © 2017 Arm Ltd and Contributors. All rights reserved.
3 // SPDX-License-Identifier: MIT
4 //
5 #include "SwitchLayer.hpp"
6
7 #include "LayerCloneBase.hpp"
8
9 #include <armnn/backends/WorkloadData.hpp>
10 #include <armnn/backends/WorkloadFactory.hpp>
11
12 namespace armnn
13 {
14
SwitchLayer(const char * name)15 SwitchLayer::SwitchLayer(const char* name)
16 : Layer(2, 2, LayerType::Switch, name)
17 {}
18
CreateWorkload(const IWorkloadFactory & factory) const19 std::unique_ptr<IWorkload> SwitchLayer::CreateWorkload(const IWorkloadFactory& factory) const
20 {
21 SwitchQueueDescriptor descriptor;
22 SetAdditionalInfo(descriptor);
23
24 return factory.CreateWorkload(LayerType::Switch, descriptor, PrepInfoAndDesc(descriptor));
25 }
26
Clone(Graph & graph) const27 SwitchLayer* SwitchLayer::Clone(Graph& graph) const
28 {
29 return CloneBase<SwitchLayer>(graph, GetName());
30 }
31
ValidateTensorShapesFromInputs()32 void SwitchLayer::ValidateTensorShapesFromInputs()
33 {
34 VerifyLayerConnections(2, CHECK_LOCATION());
35
36 const TensorShape& outputShape = GetOutputSlot(0).GetTensorInfo().GetShape();
37
38 VerifyShapeInferenceType(outputShape, m_ShapeInferenceMethod);
39
40 ARMNN_ASSERT_MSG(GetNumOutputSlots() == 2, "SwitchLayer: The layer should return 2 outputs.");
41
42 // Assuming first input is the Input and second input is the Constant
43 std::vector<TensorShape> inferredShapes = InferOutputShapes({
44 GetInputSlot(0).GetConnection()->GetTensorInfo().GetShape(),
45 GetInputSlot(1).GetConnection()->GetTensorInfo().GetShape()});
46
47 ARMNN_ASSERT(inferredShapes.size() == 2);
48
49 ValidateAndCopyShape(outputShape, inferredShapes[0], m_ShapeInferenceMethod, "SwitchLayer");
50
51 ValidateAndCopyShape(
52 GetOutputSlot(1).GetTensorInfo().GetShape(), inferredShapes[1], m_ShapeInferenceMethod, "SwitchLayer", 1);
53 }
54
ExecuteStrategy(IStrategy & strategy) const55 void SwitchLayer::ExecuteStrategy(IStrategy& strategy) const
56 {
57 strategy.ExecuteStrategy(this, GetParameters(), {}, GetName());
58 }
59
60 } // namespace armnn
61