COMPMID-1556 - Add ReorgLayer to graph API

Change-Id: I50c13b5808f3cceec36b92e7afc027f47ebbdea4
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/147369
Reviewed-by: Michele DiGiorgio <michele.digiorgio@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Tested-by: Jenkins <bsgcomp@arm.com>

2 files changed, 68 insertions, 0 deletions

diff --git a/arm_compute/graph/nodes/Nodes.h b/arm_compute/graph/nodes/Nodes.h
index 8a85159896..438054c4bf 100644
--- a/arm_compute/graph/nodes/Nodes.h
+++ b/arm_compute/graph/nodes/Nodes.h
@@ -41,6 +41,7 @@
 #include "arm_compute/graph/nodes/OutputNode.h"
 #include "arm_compute/graph/nodes/PermuteLayerNode.h"
 #include "arm_compute/graph/nodes/PoolingLayerNode.h"
+#include "arm_compute/graph/nodes/ReorgLayerNode.h"
 #include "arm_compute/graph/nodes/ReshapeLayerNode.h"
 #include "arm_compute/graph/nodes/ResizeLayerNode.h"
 #include "arm_compute/graph/nodes/SoftmaxLayerNode.h"
diff --git a/arm_compute/graph/nodes/ReorgLayerNode.h b/arm_compute/graph/nodes/ReorgLayerNode.h
new file mode 100644
index 0000000000..1cc0698b46
--- /dev/null
+++ b/arm_compute/graph/nodes/ReorgLayerNode.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_GRAPH_REORG_LAYER_NODE_H__
+#define __ARM_COMPUTE_GRAPH_REORG_LAYER_NODE_H__
+
+#include "arm_compute/graph/INode.h"
+
+namespace arm_compute
+{
+namespace graph
+{
+/** Reorg Layer node */
+class ReorgLayerNode final : public INode
+{
+public:
+    /** Constructor
+     *
+     * @param[in] stride Stride value to use for reorganizing the values in the output tensor.
+     */
+    ReorgLayerNode(int stride);
+    /** Stride value to use for reorganizing the values in the output tensor.
+     *
+     * @return Stride value to use for reorganizing the values in the output tensor.
+     */
+    int stride() const;
+    /** Computes reorg output descriptor
+     *
+     * @param[in] input_descriptor Input descriptor
+     * @param[in] stride           Stride value to use for reorganizing the values in the output tensor.
+     *
+     * @return Output descriptor
+     */
+    static TensorDescriptor compute_output_descriptor(const TensorDescriptor &input_descriptor, int stride);
+
+    // Inherited overridden methods:
+    NodeType         type() const override;
+    bool             forward_descriptors() override;
+    TensorDescriptor configure_output(size_t idx) const override;
+    void accept(INodeVisitor &v) override;
+
+private:
+    int _stride;
+};
+} // namespace graph
+} // namespace arm_compute
+#endif /* __ARM_COMPUTE_GRAPH_REORG_LAYER_NODE_H__ */