From 3a40ea5e1efd61ebb21a174ef7bf9adecac8ade9 Mon Sep 17 00:00:00 2001
From: Jim Flynn <jim.flynn@arm.com>
Date: Thu, 8 Oct 2020 11:42:30 +0100
Subject: IVGCVSW-5363 Add Unmap layer and Unmap workload

Signed-off-by: Narumol Prangnawarat <narumol.prangnawarat@arm.com>
Signed-off-by: Jim Flynn <jim.flynn@arm.com>
Change-Id: Ie5ecfa67e4763d0c058905592fe2e2fd7315f85c
---
 src/armnn/layers/UnmapLayer.cpp | 49 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 src/armnn/layers/UnmapLayer.cpp

(limited to 'src/armnn/layers/UnmapLayer.cpp')

diff --git a/src/armnn/layers/UnmapLayer.cpp b/src/armnn/layers/UnmapLayer.cpp
new file mode 100644
index 0000000000..d2df9c1bc6
--- /dev/null
+++ b/src/armnn/layers/UnmapLayer.cpp
@@ -0,0 +1,49 @@
+//
+// Copyright © 2020 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+#include "UnmapLayer.hpp"
+
+#include "LayerCloneBase.hpp"
+
+#include <armnn/TypesUtils.hpp>
+#include <backendsCommon/WorkloadData.hpp>
+#include <backendsCommon/WorkloadFactory.hpp>
+#include <backendsCommon/UnmapWorkload.hpp>
+
+namespace armnn
+{
+
+UnmapLayer::UnmapLayer(const char* name)
+    : Layer(1, 0, LayerType::Unmap, name)
+{
+}
+
+UnmapLayer* UnmapLayer::Clone(Graph& graph) const
+{
+    return CloneBase<UnmapLayer>(graph, GetName());
+}
+
+std::unique_ptr<IWorkload> UnmapLayer::CreateWorkload(const IWorkloadFactory& factory) const
+{
+    IgnoreUnused(factory);
+    UnmapQueueDescriptor descriptor;
+
+    //This is different from other workloads. Does not get created by the workload factory.
+    return std::make_unique<UnmapWorkload>(descriptor, PrepInfoAndDesc(descriptor));
+}
+
+void UnmapLayer::ValidateTensorShapesFromInputs()
+{
+    // validates that the input is connected.
+    VerifyLayerConnections(1, CHECK_LOCATION());
+    ARMNN_ASSERT(GetNumOutputSlots() == 0);
+}
+
+void UnmapLayer::Accept(ILayerVisitor& visitor) const
+{
+    IgnoreUnused(visitor);
+    throw armnn::Exception("UnmapLayer should not appear in an input graph");
+}
+
+} // namespace armnn
-- 
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