Geometry Nodes: Domain Size Node

The Domain Size node has a single geometry input and a selection for
the component type. Based on the component chosen, outputs containing
single values for the related domains are shown.

Mesh:
  - Point Count
  - Edge Count
  - Face Count
  - Face Corner Count
Curve:
  - Point Count
  - Spline Count
Point Cloud:
  - Point Count
Instances:
  - Instance Count

Differential Revision: https://developer.blender.org/D13365

release/scripts/startup/nodeitems_builtins.py

@@ -675,6 +675,7 @@ geometry_node_categories = [
         NodeItem("GeometryNodeAttributeRemove", poll=geometry_nodes_legacy_poll),
 
         NodeItem("GeometryNodeCaptureAttribute"),
+        NodeItem("GeometryNodeAttributeDomainSize"),
         NodeItem("GeometryNodeAttributeStatistic"),
         NodeItem("GeometryNodeAttributeTransfer"),
     ]),