IVGCVSW-3026 Extend RefConvolution2dWorkload to support QSymm16

 * Added QuantisedSymm16 as supported type for Conv2D
 * Added Unit Tests for QSymm16

Signed-off-by: Mike Kelly <mike.kelly@arm.com>
Change-Id: I4a8176091e75abfb0ea3a4b913c213111512df75

1 files changed, 35 insertions, 7 deletions

diff --git a/src/backends/reference/RefLayerSupport.cpp b/src/backends/reference/RefLayerSupport.cpp
index 6ad6816474..b6da628be3 100644
--- a/src/backends/reference/RefLayerSupport.cpp
+++ b/src/backends/reference/RefLayerSupport.cpp
@@ -364,14 +364,42 @@ bool RefLayerSupport::IsConvolution2dSupported(const TensorInfo& input,
                                                const Optional<TensorInfo>& biases,
                                                Optional<std::string&> reasonIfUnsupported) const
 {
-    ignore_unused(output);
+    bool supported = true;
+
+    // Define supported types.
+    std::array<DataType,3> supportedTypes = {
+            DataType::Float32,
+            DataType::QuantisedAsymm8,
+            DataType::QuantisedSymm16
+    };
+
+    supported &= CheckSupportRule(TypeAnyOf(input, supportedTypes), reasonIfUnsupported,
+                                  "Reference addition: input is not a supported type.");
+
+    supported &= CheckSupportRule(TypeAnyOf(output, supportedTypes), reasonIfUnsupported,
+                                  "Reference addition: output is not a supported type.");
+
+    supported &= CheckSupportRule(TypeAnyOf(weights, supportedTypes), reasonIfUnsupported,
+                                  "Reference addition: weights is not a supported type.");
+
+    supported &= CheckSupportRule(TypesAreEqual(input, output), reasonIfUnsupported,
+                                  "Reference activation: input and output types mismatched.");
+
+    supported &= CheckSupportRule(TypesAreEqual(input, weights), reasonIfUnsupported,
+                                  "Reference activation: input and weights types mismatched.");
+
+    if (biases.has_value())
+    {
+        std::array<DataType,3> biasesSupportedTypes = {
+                DataType::Float32,
+                DataType::Signed32
+        };
+        supported &= CheckSupportRule(TypeAnyOf(biases.value(), biasesSupportedTypes), reasonIfUnsupported,
+                                      "Reference addition: biases is not a supported type.");
+    }
     ignore_unused(descriptor);
-    ignore_unused(weights);
-    ignore_unused(biases);
-    return IsSupportedForDataTypeRef(reasonIfUnsupported,
-                                     input.GetDataType(),
-                                     &TrueFunc<>,
-                                     &TrueFunc<>);
+
+    return supported;
 }
 
 bool RefLayerSupport::IsDebugSupported(const TensorInfo& input,