Fix #123382: Subdivision surface crash with no faces

Caused by 31a67805fe.
2024-06-18 19:10:12 -04:00
parent 8ac66b1c8e
commit 6bb978d07d
1 changed files with 3 additions and 1 deletions
--- a/source/blender/blenkernel/intern/subdiv_mesh.cc
+++ b/source/blender/blenkernel/intern/subdiv_mesh.cc
@@ -557,7 +557,9 @@ static bool subdiv_mesh_topology_info(const ForeachContext *foreach_context,
  CustomData_free(&subdiv_mesh.face_data, 0);
  CustomData_copy_layout(
      &coarse_mesh.face_data, &subdiv_mesh.face_data, mask.pmask, CD_SET_DEFAULT, num_faces);
-  subdiv_mesh.face_offsets_for_write().last() = num_loops;
+  if (num_faces != 0) {
+    subdiv_mesh.face_offsets_for_write().last() = num_loops;
+  }

  /* Create corner data for interpolation without topology attributes. */
  CustomData_copy(&coarse_mesh.corner_data,