COMPMID-2362: Add Quantization Layer to the graph API

Change-Id: I9766ad54e8da1367ba192dfeeccdc879f3729550
Signed-off-by: Isabella Gottardi <isabella.gottardi@arm.com>
Reviewed-on: https://review.mlplatform.org/c/1172
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/arm_compute/graph/frontend/Layers.h b/arm_compute/graph/frontend/Layers.h
index a4c03a68a0..f73b1f49d9 100644
--- a/arm_compute/graph/frontend/Layers.h
+++ b/arm_compute/graph/frontend/Layers.h
@@ -856,6 +856,30 @@ private:
     PriorBoxLayerInfo _prior_info;
 };
 
+/** Quantization Layer */
+class QuantizationLayer final : public ILayer
+{
+public:
+    /** Construct a quantization layer.
+     *
+     * @param[in] out_quant_info Output tensor quantization info
+     */
+    QuantizationLayer(QuantizationInfo out_quant_info)
+        : _out_quant_info(out_quant_info)
+    {
+    }
+
+    NodeID create_layer(IStream &s) override
+    {
+        NodeParams  common_params = { name(), s.hints().target_hint };
+        NodeIdxPair input         = { s.tail_node(), 0 };
+        return GraphBuilder::add_quantization_node(s.graph(), common_params, input, _out_quant_info);
+    }
+
+private:
+    QuantizationInfo _out_quant_info;
+};
+
 /** Reorg Layer */
 class ReorgLayer final : public ILayer
 {