IVGCVSW-2870 Support QuantizeLayer on frontend

Change-Id: I2014a8d801f1f222d27a80dddf4f188ddcb3a5c9
Signed-off-by: Derek Lamberti <derek.lamberti@arm.com>

2 files changed, 83 insertions, 0 deletions

diff --git a/src/armnn/layers/QuantizeLayer.cpp b/src/armnn/layers/QuantizeLayer.cpp
new file mode 100644
index 0000000000..fbf8b322ab
--- /dev/null
+++ b/src/armnn/layers/QuantizeLayer.cpp
@@ -0,0 +1,48 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "QuantizeLayer.hpp"
+
+#include "LayerCloneBase.hpp"
+
+#include <armnn/ILayerVisitor.hpp>
+
+namespace armnn
+{
+
+QuantizeLayer::QuantizeLayer(const char* name)
+: Layer(1, 1, LayerType::Quantize, name)
+{}
+
+std::unique_ptr<IWorkload> QuantizeLayer::CreateWorkload(const Graph& graph,
+                                                         const IWorkloadFactory& factory) const
+{
+    return nullptr;
+}
+
+Layer* QuantizeLayer::Clone(Graph& graph) const
+{
+    QuantizeLayer* clone = CloneBase<QuantizeLayer>(graph, GetName());
+    return clone;
+}
+
+void QuantizeLayer::ValidateTensorShapesFromInputs()
+{
+    VerifyLayerConnections(1, CHECK_LOCATION());
+
+    auto inferredShapes = InferOutputShapes({ GetInputSlot(0).GetConnection()->GetTensorInfo().GetShape() });
+
+    ConditionalThrowIfNotEqual<LayerValidationException>(
+        "QuantizeLayer: TensorShape set on OutputSlot[0] does not match the inferred shape.",
+        GetOutputSlot(0).GetTensorInfo().GetShape(),
+        inferredShapes[0]);
+}
+
+void QuantizeLayer::Accept(ILayerVisitor& visitor) const
+{
+    visitor.VisitQuantizeLayer(this, GetName());
+}
+
+} //namespace armnn
\ No newline at end of file
diff --git a/src/armnn/layers/QuantizeLayer.hpp b/src/armnn/layers/QuantizeLayer.hpp
new file mode 100644
index 0000000000..fabb4492c5
--- /dev/null
+++ b/src/armnn/layers/QuantizeLayer.hpp
@@ -0,0 +1,35 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <Layer.hpp>
+
+namespace armnn {
+
+//Forward
+class IWorkload;
+class IWorkloadFactory;
+class ILayerVisitor;
+
+class QuantizeLayer : public Layer
+{
+public:
+    virtual std::unique_ptr<IWorkload> CreateWorkload(const Graph& graph,
+                                                      const IWorkloadFactory& factory) const override;
+
+    Layer* Clone(Graph& graph) const override;
+
+    void ValidateTensorShapesFromInputs() override;
+
+    void Accept(ILayerVisitor& visitor) const override;
+
+protected:
+    QuantizeLayer(const char* name);
+    ~QuantizeLayer() = default;
+
+};
+
+} //namespace armnn