[Bf-blender-cvs] [01bb6863922] refactor-mesh-bevel-weight-generic: Skip legacy conversion in undo reading and writing

[Hans Goudey]

Commit: 01bb68639229b765fbc633feba166bc4b8d351e0
Author: Hans Goudey
Date:   Tue Aug 2 11:47:00 2022 -0500
Branches: refactor-mesh-bevel-weight-generic
https://developer.blender.org/rB01bb68639229b765fbc633feba166bc4b8d351e0

Skip legacy conversion in undo reading and writing

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

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

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

diff --git a/source/blender/blenkernel/intern/mesh.cc b/source/blender/blenkernel/intern/mesh.cc
index b777642368c..5775d29479e 100644
--- a/source/blender/blenkernel/intern/mesh.cc
+++ b/source/blender/blenkernel/intern/mesh.cc
@@ -252,7 +252,9 @@ static void mesh_blend_write(BlendWriter *writer, ID *id, const void *id_address
     CustomData_blend_write_prepare(mesh->pdata, poly_layers);
   }
 
-  BKE_mesh_legacy_bevel_weight_from_layers(mesh);
+  if (!BLO_write_is_undo(writer)) {
+    BKE_mesh_legacy_bevel_weight_from_layers(mesh);
+  }
 
   BLO_write_id_struct(writer, Mesh, id_address, &mesh->id);
   BKE_id_blend_write(writer, &mesh->id);
@@ -330,7 +332,9 @@ static void mesh_blend_read_data(BlendDataReader *reader, ID *id)
     }
   }
 
-  BKE_mesh_legacy_bevel_weight_to_layers(mesh);
+  if (!BLO_read_data_is_undo(reader)) {
+    BKE_mesh_legacy_bevel_weight_to_layers(mesh);
+  }
 
   /* We don't expect to load normals from files, since they are derived data. */
   BKE_mesh_normals_tag_dirty(mesh);