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Maniphest T70056

sculpting in solid-mode doesnt update shrinkwrap modifier
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Description

System Information
Operating system: Windows-7-6.1.7601-SP1 64 Bits
Graphics card: GeForce GTX 970/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 436.30

Blender Version
Broken: version: 2.81 (sub 10), branch: master, commit date: 2019-09-10 22:12, hash: rB4ce3fbd52ae8
Worked: (optional)

Short description of error
in solid mode while sculpting - modifier doesnt update (shrinkwrap in my exsample)
in material preview mode it does work
btw: nvidia drivers are up to date

Exact steps for others to reproduce the error
open the attached blend and sculpt on the plane - shrinkwrap-modifier do NOT UPDATE
if you switch to mat-preview-mode it works, but thats not a suitable shading-mode for sculpting

solid_mode_doesnt_update_modifier.blend1 MBDownload

Event Timeline

Tobias Lijsen (blenderhilfe) created this task.Sep 19 2019, 9:18 AM
Brecht Van Lommel (brecht) changed the task status from Unknown Status to Unknown Status.Sep 19 2019, 2:35 PM
Brecht Van Lommel (brecht) claimed this task.
Brecht Van Lommel (brecht) added a subscriber: Brecht Van Lommel (brecht).

We intentionally bypass full updates for better sculpting performance.

For this case where another objects depends on the sculpted object we could detect it and do the full, slower update. But I'd consider improving that outside the scope of the bug tracker.