1 files changed, 82 insertions, 0 deletions
diff --git a/src/backends/backendsCommon/MakeWorkloadHelper.hpp b/src/backends/backendsCommon/MakeWorkloadHelper.hpp
new file mode 100644
index 0000000000..78a9669530
--- /dev/null
+++ b/src/backends/backendsCommon/MakeWorkloadHelper.hpp
@@ -0,0 +1,82 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+#pragma once
+
+namespace armnn
+{
+namespace
+{
+
+// Make a workload of the specified WorkloadType.
+template<typename WorkloadType>
+struct MakeWorkloadForType
+{
+    template<typename QueueDescriptorType, typename... Args>
+    static std::unique_ptr<WorkloadType> Func(const QueueDescriptorType& descriptor,
+                                              const WorkloadInfo& info,
+                                              Args&&... args)
+    {
+        return std::make_unique<WorkloadType>(descriptor, info, std::forward<Args>(args)...);
+    }
+};
+
+// Specialization for void workload type used for unsupported workloads.
+template<>
+struct MakeWorkloadForType<NullWorkload>
+{
+    template<typename QueueDescriptorType, typename... Args>
+    static std::unique_ptr<NullWorkload> Func(const QueueDescriptorType& descriptor,
+                                              const WorkloadInfo& info,
+                                              Args&&... args)
+    {
+        return nullptr;
+    }
+};
+
+// Makes a workload for one the specified types based on the data type requirements of the tensorinfo.
+// Specify type void as the WorkloadType for unsupported DataType/WorkloadType combos.
+template <typename Float16Workload, typename Float32Workload, typename Uint8Workload, typename QueueDescriptorType,
+    typename... Args>
+std::unique_ptr<IWorkload> MakeWorkloadHelper(const QueueDescriptorType& descriptor,
+                                              const WorkloadInfo& info,
+                                              Args&&... args)
+{
+    const DataType dataType = !info.m_InputTensorInfos.empty() ?
+        info.m_InputTensorInfos[0].GetDataType()
+        : info.m_OutputTensorInfos[0].GetDataType();
+
+    BOOST_ASSERT(info.m_InputTensorInfos.empty() || info.m_OutputTensorInfos.empty()
+        || info.m_InputTensorInfos[0].GetDataType() == info.m_OutputTensorInfos[0].GetDataType());
+
+    switch (dataType)
+    {
+        case DataType::Float16:
+            return MakeWorkloadForType<Float16Workload>::Func(descriptor, info, std::forward<Args>(args)...);
+        case DataType::Float32:
+            return MakeWorkloadForType<Float32Workload>::Func(descriptor, info, std::forward<Args>(args)...);
+        case DataType::QuantisedAsymm8:
+            return MakeWorkloadForType<Uint8Workload>::Func(descriptor, info, std::forward<Args>(args)...);
+        default:
+            BOOST_ASSERT_MSG(false, "Unknown DataType.");
+            return nullptr;
+    }
+}
+
+// Makes a workload for one the specified types based on the data type requirements of the tensorinfo.
+// Calling this method is the equivalent of calling the three typed MakeWorkload method with <FloatWorkload,
+// FloatWorkload, Uint8Workload>.
+// Specify type void as the WorkloadType for unsupported DataType/WorkloadType combos.
+template <typename FloatWorkload, typename Uint8Workload, typename QueueDescriptorType, typename... Args>
+std::unique_ptr<IWorkload> MakeWorkloadHelper(const QueueDescriptorType& descriptor,
+                                              const WorkloadInfo& info,
+                                              Args&&... args)
+{
+    return MakeWorkloadHelper<FloatWorkload, FloatWorkload, Uint8Workload>(descriptor, info,
+       std::forward<Args>(args)...);
+}
+
+
+} //namespace
+} //namespace armnn