Philipp Oeser
2cb9290012
This affected `Mesh Deform`, `Corrective Smooth` and `Laplacian Smooth`. Exposed by57ea827bfb(e5ec04d73c). Evaluating the incoming mesh can be different in `BKE_object_handle_data_update` as opposed to `object_force_modifier_update_for_bind` due to different `CustomData_MeshMasks` being used (the former used a handpicked set, the later was still using `CD_MASK_BAREMESH`). But since moving many relevant [to modifiers] data to attributes, this could lead to binding go wrong (e.g. reporting a vertex count mismatch as reported in #110021 which was due to the fact that creases were not propagated and that changed the output [also vertex count] of a subdivision modifier in the stack). Now use `CD_MASK_DERIVEDMESH` in `object_force_modifier_update_for_bind` to get all relevant attributes for evaluation (this is not used in `BKE_object_handle_data_update` to avoid a big performance impact there). Also fixes #109626 afaict. Should probably go into 3.6 LTS (maybe even 3.3 LTS). Pull Request: https://projects.blender.org/blender/blender/pulls/110095
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