IVGCVSW-3596 Register the dynamic backends in the BackendRegistry

 * Added getter for the factory function in the DynamicBackend class
 * Added new RegisterDynamicBackends method in utils class
 * Added dynamic backend registration process in the Runtime class
 * Added new dummy dynamic backend objects for testing
 * Added unit tests for dynamic backend registration
 * Added convenience methods to BackendId

Change-Id: I01e147d1d6f01bf56747ad946f73f867af5770c4
Signed-off-by: Matteo Martincigh <matteo.martincigh@arm.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/src/backends/backendsCommon/DynamicBackend.hpp b/src/backends/backendsCommon/DynamicBackend.hpp
index b202309c31..34c001958d 100644
--- a/src/backends/backendsCommon/DynamicBackend.hpp
+++ b/src/backends/backendsCommon/DynamicBackend.hpp
@@ -6,6 +6,7 @@
 #pragma once
 
 #include "IBackendInternal.hpp"
+#include "BackendRegistry.hpp"
 
 #include <functional>
 #include <memory>
@@ -13,7 +14,7 @@
 namespace armnn
 {
 
-class DynamicBackend
+class DynamicBackend final
 {
 public:
     using HandleCloser = std::function<void(const void*)>;
@@ -25,10 +26,13 @@ public:
     BackendId GetBackendId();
     BackendVersion GetBackendVersion();
     IBackendInternalUniquePtr GetBackend();
+    BackendRegistry::FactoryFunction GetFactoryFunction();
 
 private:
+    /// Private utility functions
     template<typename BackendFunctionType>
     BackendFunctionType SetFunctionPointer(const std::string& backendFunctionName);
+    IBackendInternalUniquePtr CreateBackend();
 
     /// Backend function pointer types
     using IdFunctionType      = const char*(*)();