IVGCVSW-2555 Add no-op implementation for Detection PostProcess

 * Added DetectionPostProcessQueueDescriptor to WorkloadData
 * Added CreateDetectionPostProcess function in WorkloadFactory.hpp
 * Added stub implementation of the CreateDetectionPostProcess
in workload factories
 * Added DetectionPostProcessLayer stub implementation
 * Added AddDetectionPostProcessLayer to Network
 * Added IsDetectionPostProcessSupported to LayerSupportBase

Change-Id: Ifc071b3b6b12877c997bdcc43d769c8f891d5c6c

1 files changed, 43 insertions, 0 deletions

diff --git a/src/armnn/layers/DetectionPostProcessLayer.hpp b/src/armnn/layers/DetectionPostProcessLayer.hpp
new file mode 100644
index 0000000000..b5a1cf17fb
--- /dev/null
+++ b/src/armnn/layers/DetectionPostProcessLayer.hpp
@@ -0,0 +1,43 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include "LayerWithParameters.hpp"
+
+namespace armnn
+{
+
+/// This layer represents a detection postprocess operator.
+class DetectionPostProcessLayer : public LayerWithParameters<DetectionPostProcessDescriptor>
+{
+public:
+    /// Makes a workload for the DetectionPostProcess type.
+    /// @param [in] graph The graph where this layer can be found.
+    /// @param [in] factory The workload factory which will create the workload.
+    /// @return A pointer to the created workload, or nullptr if not created.
+    virtual std::unique_ptr<IWorkload> CreateWorkload(const Graph& graph,
+                                                      const IWorkloadFactory& factory) const override;
+
+    /// Creates a dynamically-allocated copy of this layer.
+    /// @param [in] graph The graph into which this layer is being cloned.
+    DetectionPostProcessLayer* Clone(Graph& graph) const override;
+
+    /// Check if the input tensor shape(s)
+    /// will lead to a valid configuration of @ref DetectionPostProcessLayer.
+    void ValidateTensorShapesFromInputs() override;
+
+protected:
+    /// Constructor to create a DetectionPostProcessLayer.
+    /// @param [in] param DetectionPostProcessDescriptor to configure the detection postprocess.
+    /// @param [in] name Optional name for the layer.
+    DetectionPostProcessLayer(const DetectionPostProcessDescriptor& param, const char* name);
+
+    /// Default destructor
+    ~DetectionPostProcessLayer() = default;
+};
+
+} // namespace armnn
+