IVGCVSW-2874 Add DequantizeLayer and no-op factory method

*Add Dequantize layer to the frontend
*Add Serializer and Deserializer for Dequantize

Change-Id: Ide2647b9e0348d599deb97e61ca4bf66e2f17fc0
Signed-off-by: Nattapat Chaimanowong <nattapat.chaimanowong@arm.com>

1 files changed, 42 insertions, 0 deletions

diff --git a/src/armnn/layers/DequantizeLayer.hpp b/src/armnn/layers/DequantizeLayer.hpp
new file mode 100644
index 0000000000..1340f96a27
--- /dev/null
+++ b/src/armnn/layers/DequantizeLayer.hpp
@@ -0,0 +1,42 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+#pragma once
+
+#include "Layer.hpp"
+
+namespace armnn
+{
+
+/// This layer dequantizes the input tensor.
+class DequantizeLayer : public Layer
+{
+public:
+    /// Makes a workload for the Dequantize 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.
+    DequantizeLayer* Clone(Graph& graph) const override;
+
+    /// Check if the input tensor shape(s)
+    /// will lead to a valid configuration of @ref DequantizeLayer.
+    void ValidateTensorShapesFromInputs() override;
+
+    void Accept(ILayerVisitor& visitor) const override;
+
+protected:
+    /// Constructor to create a DequantizeLayer.
+    /// @param [in] name Optional name for the layer.
+    DequantizeLayer(const char* name);
+
+    /// Default destructor
+    ~DequantizeLayer() = default;
+};
+
+} // namespace armnn