[Bf-blender-cvs] [8b15b06b201] master: Fix: missing cache invalidation when there is only one spline

[Jacques Lucke]

Commit: 8b15b06b201169b9f1e2eb6604711ff2fe1abdab
Author: Jacques Lucke
Date:   Wed Oct 27 11:02:49 2021 +0200
Branches: master
https://developer.blender.org/rB8b15b06b201169b9f1e2eb6604711ff2fe1abdab

Fix: missing cache invalidation when there is only one spline

This fixes T92511, but there is still the more general problem
described in T92508.

===================================================================

M	source/blender/blenkernel/intern/geometry_component_curve.cc

===================================================================

diff --git a/source/blender/blenkernel/intern/geometry_component_curve.cc b/source/blender/blenkernel/intern/geometry_component_curve.cc
index f30ff2a70a7..d2a404b860a 100644
--- a/source/blender/blenkernel/intern/geometry_component_curve.cc
+++ b/source/blender/blenkernel/intern/geometry_component_curve.cc
@@ -1135,6 +1135,9 @@ template<typename T> class BuiltinPointAttributeProvider : public BuiltinAttribu
 
     MutableSpan<SplinePtr> splines = curve->splines();
     if (splines.size() == 1) {
+      if (update_on_write_) {
+        update_on_write_(*splines[0]);
+      }
       return std::make_unique<fn::GVMutableArray_For_GMutableSpan>(
           get_mutable_span_(*splines.first()));
     }