IVGCVSW-3845 Add Reference FP16 support for required layers

* Working on layers required by FSRCNN, FCRN and DeepSpeaker
* Updates RefLayerSupport and RefWorkloadFactory methods
* Adds RefPadFloat16Workload
* Tested by successful execution of these networks on Reference FP16 backend

Signed-off-by: Matthew Jackson <matthew.jackson@arm.com>
Change-Id: I4817dca0a89bba6902f0feffc494b27a26a0ab2d

3 files changed, 10 insertions, 2 deletions

diff --git a/src/backends/reference/workloads/Pad.cpp b/src/backends/reference/workloads/Pad.cpp
index 5773cac6a8..42291b8661 100644
--- a/src/backends/reference/workloads/Pad.cpp
+++ b/src/backends/reference/workloads/Pad.cpp
@@ -158,6 +158,12 @@ template void Pad<float>(const TensorInfo& inputInfo,
                          const float* inputData,
                          float* outData,
                          const float padValue);
+template void Pad<Half>(const TensorInfo& inputInfo,
+                        const TensorInfo& outputInfo,
+                        std::vector<std::pair<unsigned int, unsigned int>> m_PadList,
+                        const Half* inputData,
+                        Half* outData,
+                        const float padValue);
 template void Pad<uint8_t>(const TensorInfo& inputInfo,
                            const TensorInfo& outputInfo,
                            std::vector<std::pair<unsigned int, unsigned int>> m_PadList,
diff --git a/src/backends/reference/workloads/RefPadWorkload.cpp b/src/backends/reference/workloads/RefPadWorkload.cpp
index 5e59d83dc9..c4b9daeb4c 100644
--- a/src/backends/reference/workloads/RefPadWorkload.cpp
+++ b/src/backends/reference/workloads/RefPadWorkload.cpp
@@ -34,6 +34,7 @@ void RefPadWorkload<DataType>::Execute() const
 }
 
 template class RefPadWorkload<DataType::Float32>;
+template class RefPadWorkload<DataType::Float16>;
 template class RefPadWorkload<DataType::QuantisedAsymm8>;
 template class RefPadWorkload<DataType::QuantisedSymm16>;
 
diff --git a/src/backends/reference/workloads/RefPadWorkload.hpp b/src/backends/reference/workloads/RefPadWorkload.hpp
index b1de53e930..d1521f4f8d 100644
--- a/src/backends/reference/workloads/RefPadWorkload.hpp
+++ b/src/backends/reference/workloads/RefPadWorkload.hpp
@@ -31,7 +31,8 @@ public:
 };
 
 using RefPadFloat32Workload = RefPadWorkload<DataType::Float32>;
-using RefPadQAsymm8Workload   = RefPadWorkload<DataType::QuantisedAsymm8>;
-using RefPadQSymm16Workload   = RefPadWorkload<DataType::QuantisedSymm16>;
+using RefPadFloat16Workload = RefPadWorkload<DataType::Float16>;
+using RefPadQAsymm8Workload = RefPadWorkload<DataType::QuantisedAsymm8>;
+using RefPadQSymm16Workload = RefPadWorkload<DataType::QuantisedSymm16>;
 
 } //namespace armnn