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Sculpt: Mask operators missing drawing update on meshes with shapekeys/modifiers
Closed, ResolvedPublicBUG

Description

System Information
Operating system: Linux-5.8.4-200.fc32.x86_64-x86_64-with-fedora-32-Thirty_Two 64 Bits
Graphics card: GeForce GTX 970M/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 450.66

Blender Version
Broken: version: 2.91.0 Alpha, branch: master, commit date: 2020-10-17 21:36, hash: rBf425f40c4e17
Worked: never?

Short description of error
Sculpt: Mask operators missing drawing update on meshes with shapekeys/modifiers

Exact steps for others to reproduce the error

  • Open .blend
  • Draw a box mask (using the Box Mask tool)
  • no mask is drawn
  • choose the Mask tool and do a stroke
  • see the mask updating (including the now appearing mask from the Box Mask tool)

This fails for all mask filters (sharper, grow, invert, clear, shrink, contrast, smooth) and mask gestures (box, lasso)