Geometry Nodes: Add Attribute Convert node

The Attribute Convert node provides functionality to change attributes
between different domains and data types. Before it was impossible to
write to a UV Map attribute with the attribute math nodes since they
did not output a 2D vector type. This makes it possible to
"convert into" a UV map attribute.

The data type conversion uses the implicit conversions provided by
`\nodes\intern\node_tree_multi_function.cc`.

The `Auto` domain mode chooses the domain based on the following rules:
1. If the result attribute already exists, use that domain.
2. If the result attribute doesn't exist, use the source attribute domain.
3. Otherwise use the default domain (points).

See {T85700}

Differential Revision: https://developer.blender.org/D10624

1 files changed, 1 insertions, 0 deletions

diff --git a/source/blender/blenkernel/intern/node.cc b/source/blender/blenkernel/intern/node.cc
index 528088b2ee7..156f6a0c7ae 100644
--- a/source/blender/blenkernel/intern/node.cc
+++ b/source/blender/blenkernel/intern/node.cc
@@ -4788,6 +4788,7 @@ static void registerGeometryNodes()
   register_node_type_geo_attribute_color_ramp();
   register_node_type_geo_attribute_combine_xyz();
   register_node_type_geo_attribute_compare();
+  register_node_type_geo_attribute_convert();
   register_node_type_geo_attribute_fill();
   register_node_type_geo_attribute_math();
   register_node_type_geo_attribute_mix();