COMPMID-1999: Add support for GenerateProposals operator in CL

Change-Id: Ie08a6874347085f96b00f25bdb605eee7d683c25
Signed-off-by: giuros01 <giuseppe.rossini@arm.com>
Reviewed-on: https://review.mlplatform.org/719
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Reviewed-by: Michalis Spyrou <michalis.spyrou@arm.com>

1 files changed, 38 insertions, 0 deletions

diff --git a/arm_compute/graph/frontend/Layers.h b/arm_compute/graph/frontend/Layers.h
index d10fa7f27a..1a71c89e54 100644
--- a/arm_compute/graph/frontend/Layers.h
+++ b/arm_compute/graph/frontend/Layers.h
@@ -608,6 +608,44 @@ private:
     const QuantizationInfo        _out_quant_info;
 };
 
+/** Generate Proposals Layer */
+class GenerateProposalsLayer final : public ILayer
+{
+public:
+    /** Construct a generate proposals layer.
+     *
+     * @param[in] ss_scores  Graph sub-stream for the scores.
+     * @param[in] ss_deltas  Graph sub-stream for the deltas.
+     * @param[in] ss_anchors Graph sub-stream for the anchors.
+     * @param[in] info       Generate Proposals operation information.
+     */
+    GenerateProposalsLayer(SubStream &&ss_scores, SubStream &&ss_deltas, SubStream &&ss_anchors, GenerateProposalsInfo info)
+        : _ss_scores(std::move(ss_scores)), _ss_deltas(std::move(ss_deltas)), _ss_anchors(std::move(ss_anchors)), _info(info)
+    {
+    }
+
+    /** Create layer and add to the given stream.
+     *
+     * @param[in] s Stream to add layer to.
+     *
+     * @return ID of the created node.
+     */
+    NodeID create_layer(IStream &s) override
+    {
+        NodeParams  common_params = { name(), s.hints().target_hint };
+        NodeIdxPair scores        = { _ss_scores.tail_node(), 0 };
+        NodeIdxPair deltas        = { _ss_deltas.tail_node(), 0 };
+        NodeIdxPair anchors       = { _ss_anchors.tail_node(), 0 };
+        return GraphBuilder::add_generate_proposals_node(s.graph(), common_params, scores, deltas, anchors, _info);
+    }
+
+private:
+    SubStream             _ss_scores;
+    SubStream             _ss_deltas;
+    SubStream             _ss_anchors;
+    GenerateProposalsInfo _info;
+};
+
 /** Normalization Layer */
 class NormalizationLayer final : public ILayer
 {