IVGCVSW-2870 Support QuantizeLayer on frontend

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

4 files changed, 18 insertions, 0 deletions

diff --git a/include/armnn/ILayerSupport.hpp b/include/armnn/ILayerSupport.hpp
index 7896a80a8f..76d9c10d7f 100644
--- a/include/armnn/ILayerSupport.hpp
+++ b/include/armnn/ILayerSupport.hpp
@@ -209,6 +209,10 @@ public:
                                         const PreCompiledDescriptor& descriptor,
                                         Optional<std::string&> reasonIfUnsupported = EmptyOptional()) const = 0;
 
+    virtual bool IsQuantizeSupported(const TensorInfo& input,
+                                     const TensorInfo& output,
+                                     Optional<std::string&> reasonIfUnsupported = EmptyOptional()) const = 0;
+
     virtual bool IsReshapeSupported(const TensorInfo& input,
                                     const ReshapeDescriptor& descriptor,
                                     Optional<std::string&> reasonIfUnsupported = EmptyOptional()) const = 0;
diff --git a/include/armnn/ILayerVisitor.hpp b/include/armnn/ILayerVisitor.hpp
index ce09246d07..76027f6eed 100644
--- a/include/armnn/ILayerVisitor.hpp
+++ b/include/armnn/ILayerVisitor.hpp
@@ -281,6 +281,12 @@ public:
                                const PadDescriptor& padDescriptor,
                                const char* name = nullptr) = 0;
 
+    /// Function a quantize layer should call back to when its Accept(ILayerVisitor&) function is invoked.
+    /// @param layer - pointer to the layer which is calling back to this visit function.
+    /// @param name - Optional name for the layer.
+    virtual void VisitQuantizeLayer(const IConnectableLayer* layer,
+                                    const char* name = nullptr) = 0;
+
     /// Function a strided slice layer should call back to when its Accept(ILayerVisitor&) function is invoked.
     /// @param layer - pointer to the layer which is calling back to this visit function.
     /// @param StridedSliceDescriptor - Parameters for the strided slice operation.
diff --git a/include/armnn/INetwork.hpp b/include/armnn/INetwork.hpp
index b61206fae1..7c1fbdbd49 100644
--- a/include/armnn/INetwork.hpp
+++ b/include/armnn/INetwork.hpp
@@ -353,6 +353,11 @@ public:
     virtual IConnectableLayer* AddPadLayer(const PadDescriptor& padDescriptor,
                                            const char* name = nullptr) = 0;
 
+    /// Add a quantize layer to the network
+    ///@param name - Optional name for the layer.
+    /// @return - Interface for configuring the layer.
+    virtual IConnectableLayer* AddQuantizeLayer(const char* name = nullptr) = 0;
+
     /// Adds a strided slice layer to the network.
     /// @param StridedSliceDescriptor - Parameters for the strided slice operation.
     /// @param name - Optional name for the layer.
diff --git a/include/armnn/LayerVisitorBase.hpp b/include/armnn/LayerVisitorBase.hpp
index 2c37a21786..d30005f0ed 100644
--- a/include/armnn/LayerVisitorBase.hpp
+++ b/include/armnn/LayerVisitorBase.hpp
@@ -151,6 +151,9 @@ public:
                        const PadDescriptor&,
                        const char*) override { DefaultPolicy::Apply(); }
 
+    void VisitQuantizeLayer(const IConnectableLayer*,
+                            const char*) override { DefaultPolicy::Apply(); }
+
     void VisitStridedSliceLayer(const IConnectableLayer*,
                                 const StridedSliceDescriptor&,
                                 const char*) override { DefaultPolicy::Apply(); }