IVGCVSW-3258 Add front end support for new SpaceToDepth layer

Signed-off-by: Aron Virginas-Tar <Aron.Virginas-Tar@arm.com>
Change-Id: Id677e29a734f2b36483d939ad370079bdc11551e

1 files changed, 50 insertions, 0 deletions

diff --git a/src/armnn/layers/SpaceToDepthLayer.hpp b/src/armnn/layers/SpaceToDepthLayer.hpp
new file mode 100644
index 0000000000..b83a9e0170
--- /dev/null
+++ b/src/armnn/layers/SpaceToDepthLayer.hpp
@@ -0,0 +1,50 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include "LayerWithParameters.hpp"
+
+namespace armnn
+{
+
+/// This layer represents a SpaceToDepth operation.
+class SpaceToDepthLayer : public LayerWithParameters<SpaceToDepthDescriptor>
+{
+public:
+    /// Makes a workload for the SpaceToDepth 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.
+    SpaceToDepthLayer* Clone(Graph& graph) const 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;
+
+    /// Check if the input tensor shape(s)
+    /// will lead to a valid configuration of @ref SpaceToDepthLayer.
+    void ValidateTensorShapesFromInputs() override;
+
+    void Accept(ILayerVisitor& visitor) const override;
+
+protected:
+    /// Constructor to create a SpaceToDepthLayer.
+    /// @param [in] param SpaceToDepthDescriptor to configure the SpaceToDepthLayer operation.
+    /// @param [in] name Optional name for the layer.
+    SpaceToDepthLayer(const SpaceToDepthDescriptor param, const char* name);
+
+    /// Default destructor
+    ~SpaceToDepthLayer() = default;
+};
+
+} // namespace armnn