IVGCVSW-5483 'Implement Loading and Saving to File'

 * Implemented Serialization and Deserialization of CLContext.
 * Fixed flatbuffers android-nn-driver dependency.

!android-nn-driver:4772

Signed-off-by: Matthew Sloyan <matthew.sloyan@arm.com>
Signed-off-by: Sadik Armagan <sadik.armagan@arm.com>
Change-Id: If806f050535ffaa70922ba0f1ffe7bb10f902329

1 files changed, 35 insertions, 0 deletions

diff --git a/src/backends/cl/ClContextSerializer.hpp b/src/backends/cl/ClContextSerializer.hpp
new file mode 100644
index 0000000000..71e2b1f1c9
--- /dev/null
+++ b/src/backends/cl/ClContextSerializer.hpp
@@ -0,0 +1,35 @@
+//
+// Copyright © 2020 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <arm_compute/core/CL/CLCompileContext.h>
+
+#include <flatbuffers/flatbuffers.h>
+
+namespace armnn
+{
+
+class ClContextSerializer
+{
+public:
+    ClContextSerializer()  = default;
+    ~ClContextSerializer() = default;
+
+    /// Serializes the CLCompileContext built-in programs
+    /// @param [in] clCompileContext The CLCompileContext to be serialized.
+    void Serialize(const arm_compute::CLCompileContext& clCompileContext);
+
+    /// Serializes the ClContext to the stream.
+    /// @param [stream] the stream to save to
+    /// @return true if ClContext is Serialized to the Stream, false otherwise
+    bool SaveSerializedToStream(std::ostream& stream);
+
+private:
+    /// FlatBufferBuilder to create the CLContext FlatBuffers.
+    flatbuffers::FlatBufferBuilder m_FlatBufferBuilder;
+};
+
+} // namespace armnn
\ No newline at end of file