aboutsummaryrefslogtreecommitdiff
path: root/include/armnn/backends/DynamicBackend.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'include/armnn/backends/DynamicBackend.hpp')
-rw-r--r--include/armnn/backends/DynamicBackend.hpp54
1 files changed, 54 insertions, 0 deletions
diff --git a/include/armnn/backends/DynamicBackend.hpp b/include/armnn/backends/DynamicBackend.hpp
new file mode 100644
index 0000000000..f888b1e27e
--- /dev/null
+++ b/include/armnn/backends/DynamicBackend.hpp
@@ -0,0 +1,54 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include "IBackendInternal.hpp"
+
+#include <armnn/BackendRegistry.hpp>
+
+#include <functional>
+#include <memory>
+
+namespace armnn
+{
+
+class DynamicBackend final
+{
+public:
+ using HandleCloser = std::function<void(const void*)>;
+ using HandlePtr = std::unique_ptr<void, HandleCloser>;
+
+ explicit DynamicBackend(const void* sharedObjectHandle);
+
+ /// Public dynamic backend functions
+ 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*(*)();
+ using VersionFunctionType = void(*)(uint32_t*, uint32_t*);
+ using FactoryFunctionType = void*(*)();
+
+ /// Backend function pointers
+ IdFunctionType m_BackendIdFunction;
+ VersionFunctionType m_BackendVersionFunction;
+ FactoryFunctionType m_BackendFactoryFunction;
+
+ /// Shared object handle
+ HandlePtr m_Handle;
+};
+
+using DynamicBackendPtr = std::unique_ptr<DynamicBackend>;
+
+} // namespace armnn