IVGCVSW-1897 : build infrastructure for the src/backends folder

Change-Id: I7ebafb675ccc77ad54d1deb01412a8379a5356bb

1 files changed, 63 insertions, 0 deletions

diff --git a/src/backends/OutputHandler.hpp b/src/backends/OutputHandler.hpp
new file mode 100644
index 0000000000..dfc01844c9
--- /dev/null
+++ b/src/backends/OutputHandler.hpp
@@ -0,0 +1,63 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+#pragma once
+
+#include "backends/WorkloadDataFwd.hpp"
+
+#include <string>
+#include <vector>
+
+#include <memory>
+#include <set>
+
+#include <boost/assert.hpp>
+
+#include "armnn/INetwork.hpp"
+#include "armnn/Types.hpp"
+#include "armnn/Descriptors.hpp"
+#include "armnn/Tensor.hpp"
+#include "ITensorHandle.hpp"
+
+namespace armnn
+{
+
+class ITensorHandle;
+class IWorkloadFactory;
+class OutputSlot;
+class WorkloadDataCollector;
+
+class OutputHandler
+{
+public:
+    /// @brief - Sets the TensorInfo used by this output handler.
+    /// @param tensorInfo - TensorInfo for the output.
+    void SetTensorInfo(const TensorInfo& tensorInfo);
+
+    /// @brief - Creates tensor handlers used by the intermediate tensors. Does not allocate memory.
+    /// @param factory - Factory to be used for handler creation.
+    void CreateTensorHandles(const IWorkloadFactory& factory);
+
+    /// @brief - Gets the matching TensorInfo for the output.
+    /// @return - References to the output TensorInfo.
+    const TensorInfo& GetTensorInfo() const { return m_TensorInfo; }
+
+    /// @brief - Gets the allocated tensor memory.
+    /// @return - Pointer to the tensor memory.
+    ITensorHandle* GetData() const { return m_TensorHandle.get(); }
+
+    /// Fill the outputs for a given queue descriptor.
+    void CollectWorkloadOutputs(WorkloadDataCollector& dataCollector) const;
+
+    void SetData(std::unique_ptr<ITensorHandle> data) { m_TensorHandle = std::move(data); }
+
+    /// @brief Returns true if SetTensorInfo() has been called at least once on this.
+    bool IsTensorInfoSet() const { return m_bTensorInfoSet; }
+private:
+    std::unique_ptr<ITensorHandle> m_TensorHandle;
+    TensorInfo m_TensorInfo;
+    bool m_bTensorInfoSet = false;
+};
+
+} //namespace armnn