IVGCVSW-4009 StandInLayer frontend API

Change-Id: I058c57b554769799c6775813215070ef47790e3d
Signed-off-by: Derek Lamberti <derek.lamberti@arm.com>

1 files changed, 47 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
+
+