IVGCVSW-6509 Front End + Reference Workload implementation

Subtask of story: IVGCVSW-6164 Add a Pooling3d FrontEnd and Ref Implementation

* Add front end
* Add reference workload
* Add corresponding unit tests

Change-Id: Icce4146dd0a06a1da46a2def00a82d343e171750
Signed-off-by: Tamas Nyiri <tamas.nyiri@arm.com>

1 files changed, 52 insertions, 0 deletions

diff --git a/src/armnn/layers/Pooling3dLayer.hpp b/src/armnn/layers/Pooling3dLayer.hpp
new file mode 100644
index 0000000000..0aa48535c0
--- /dev/null
+++ b/src/armnn/layers/Pooling3dLayer.hpp
@@ -0,0 +1,52 @@
+//
+// Copyright © 2021 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+#pragma once
+
+#include "LayerWithParameters.hpp"
+
+namespace armnn
+{
+
+/// This layer represents a pooling 3d operation.
+class Pooling3dLayer : public LayerWithParameters<Pooling3dDescriptor>
+{
+public:
+    /// Makes a workload for the Pooling3d 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 IWorkloadFactory& factory) const override;
+
+    /// Creates a dynamically-allocated copy of this layer.
+    /// @param [in] graph The graph into which this layer is being cloned.
+    Pooling3dLayer* Clone(Graph& graph) const override;
+
+    /// Check if the input tensor shape(s)
+    /// will lead to a valid configuration of @ref Pooling3dLayer.
+    /// @param [in] shapeInferenceMethod Indicates if output shape shall be overwritten or just validated.
+    void ValidateTensorShapesFromInputs() override;
+
+    /// By default returns inputShapes if the number of inputs are equal to number of outputs,
+    /// otherwise infers the output shapes from given input shapes and layer properties.
+    /// @param [in] inputShapes The input shapes layer has.
+    /// @return A vector to the inferred output shape.
+    std::vector<TensorShape> InferOutputShapes(const std::vector<TensorShape>& inputShapes) const override;
+
+    ARMNN_NO_DEPRECATE_WARN_BEGIN
+    void Accept(ILayerVisitor& visitor) const override;
+    ARMNN_NO_DEPRECATE_WARN_END
+
+
+protected:
+    /// Constructor to create a Pooling3dLayer.
+    /// @param [in] param Pooling3dDescriptor to configure the pooling3d operation.
+    /// @param [in] name Optional name for the layer.
+    Pooling3dLayer(const Pooling3dDescriptor& param, const char* name);
+
+    /// Default destructor
+    ~Pooling3dLayer() = default;
+};
+
+} // namespace