IVGCVSW-4399 Create Sample Dynamic backend

 * Move IWorkload and WorkloadInfo to include/armnn/backends
 * Add simple sample dynamic backend with addition workload
 * Add sample example to run dynamic backend
 * Unit tests

Signed-off-by: Narumol Prangnawarat <narumol.prangnawarat@arm.com>
Change-Id: I0753ce35b8e8a6223a1471388b49246d82438a44

1 files changed, 91 insertions, 0 deletions

diff --git a/src/dynamic/sample/SampleDynamicBackend.cpp b/src/dynamic/sample/SampleDynamicBackend.cpp
new file mode 100644
index 0000000000..1863c1c98c
--- /dev/null
+++ b/src/dynamic/sample/SampleDynamicBackend.cpp
@@ -0,0 +1,91 @@
+//
+// Copyright © 2020 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "SampleDynamicBackend.hpp"
+#include "SampleDynamicLayerSupport.hpp"
+#include "SampleDynamicWorkloadFactory.hpp"
+#include "SampleMemoryManager.hpp"
+
+#include <armnn/backends/IBackendInternal.hpp>
+#include <armnn/backends/OptimizationViews.hpp>
+
+namespace armnn
+{
+
+constexpr const char * SampleDynamicBackendId() { return "SampleDynamic"; }
+
+class SampleDynamicBackend : public IBackendInternal
+{
+public:
+    SampleDynamicBackend()  = default;
+    ~SampleDynamicBackend() = default;
+
+    static const BackendId& GetIdStatic()
+    {
+        static const BackendId s_Id{SampleDynamicBackendId()};
+        return s_Id;
+    }
+
+    const BackendId& GetId() const override { return GetIdStatic(); }
+
+    IBackendInternal::IMemoryManagerUniquePtr CreateMemoryManager() const override
+    {
+        return std::make_unique<SampleMemoryManager>();
+    }
+
+    IBackendInternal::IWorkloadFactoryPtr CreateWorkloadFactory(
+        const IMemoryManagerSharedPtr& memoryManager) const override
+    {
+        return std::make_unique<SampleDynamicWorkloadFactory>();
+    }
+
+    IBackendInternal::ILayerSupportSharedPtr GetLayerSupport() const override
+    {
+        static ILayerSupportSharedPtr layerSupport{new SampleDynamicLayerSupport};
+        return layerSupport;
+    }
+
+    IBackendInternal::IBackendContextPtr CreateBackendContext(const IRuntime::CreationOptions&) const override
+    {
+        return IBackendContextPtr{};
+    }
+
+    OptimizationViews OptimizeSubgraphView(const SubgraphView& subgraph) const override
+    {
+        OptimizationViews optimizationViews;
+
+        optimizationViews.AddUntouchedSubgraph(SubgraphView(subgraph));
+
+        return optimizationViews;
+    }
+
+};
+
+} // namespace armnn
+
+const char* GetBackendId()
+{
+    return armnn::SampleDynamicBackend::GetIdStatic().Get().c_str();
+}
+
+void GetVersion(uint32_t* outMajor, uint32_t* outMinor)
+{
+    if (!outMajor || !outMinor)
+    {
+        return;
+    }
+
+    armnn::BackendVersion apiVersion = armnn::IBackendInternal::GetApiVersion();
+
+    *outMajor = apiVersion.m_Major;
+    *outMinor = apiVersion.m_Minor;
+}
+
+void* BackendFactory()
+{
+    return new armnn::SampleDynamicBackend();
+}
+
+