Geometry Nodes: geometry component type warning system

Previously, every node had to create warnings for unsupported input
geometry manually. Now this is automated. Nodes just have to specify
the geometry types they support in the node declaration.

Differential Revision: https://developer.blender.org/D12899

1 files changed, 2 insertions, 7 deletions

diff --git a/source/blender/nodes/geometry/nodes/node_geo_proximity.cc b/source/blender/nodes/geometry/nodes/node_geo_proximity.cc
index ec4d6ceb728..f3840df52aa 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_proximity.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_proximity.cc
@@ -31,7 +31,8 @@ namespace blender::nodes {
 
 static void geo_node_proximity_declare(NodeDeclarationBuilder &b)
 {
-  b.add_input<decl::Geometry>("Target");
+  b.add_input<decl::Geometry>("Target").only_realized_data().supported_type(
+      {GEO_COMPONENT_TYPE_MESH, GEO_COMPONENT_TYPE_POINT_CLOUD});
   b.add_input<decl::Vector>("Source Position").implicit_field();
   b.add_output<decl::Vector>("Position").dependent_field();
   b.add_output<decl::Float>("Distance").dependent_field();
@@ -214,12 +215,6 @@ static void geo_node_proximity_exec(GeoNodeExecParams params)
     params.set_output("Distance", fn::make_constant_field<float>(0.0f));
   };
 
-  if (geometry_set_target.has_instances()) {
-    params.error_message_add(
-        NodeWarningType::Info,
-        TIP_("The node only supports realized mesh or point cloud data, instances are ignored"));
-  }
-
   if (!geometry_set_target.has_mesh() && !geometry_set_target.has_pointcloud()) {
     return return_default();
   }