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Diffstat (limited to 'source/blender/editors/mesh/editmesh_undo.cc')
| -rw-r--r-- | source/blender/editors/mesh/editmesh_undo.cc | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/source/blender/editors/mesh/editmesh_undo.cc b/source/blender/editors/mesh/editmesh_undo.cc index d810e782a1b..5c837e61a79 100644 --- a/source/blender/editors/mesh/editmesh_undo.cc +++ b/source/blender/editors/mesh/editmesh_undo.cc @@ -597,6 +597,11 @@ static void *undomesh_from_editmesh(UndoMesh *um, BMEditMesh *em, Key *key, Undo * on it. Necessary to use the attribute API. */ strcpy(um->me.id.name, "MEundomesh_from_editmesh"); + /* Runtime data is necessary for some asserts in other code, and the overhead of creating it for + * undo meshes should be low. */ + BLI_assert(um->me.runtime == nullptr); + um->me.runtime = new blender::bke::MeshRuntime(); + CustomData_MeshMasks cd_mask_extra{}; cd_mask_extra.vmask = CD_MASK_SHAPE_KEYINDEX; BMeshToMeshParams params{}; |