GPencil: Modifiers don't work after separate strokes and use hide in outliner [issue with multiuser gpencil objects and modifiers] #79273
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Reference: blender/blender#79273
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System Information
Operating system: Ubuntu 20.04
Graphics card: Mesa Intel® HD Graphics 620 (KBL GT2
Blender Version
Broken: (2.83.3)
Short description of error
The mirroring of a grease pencil object briefly stops being visible after performing a stroke separation.
Exact steps for others to reproduce the error
Status
The "wrong usercount when separating" is fixed, see
4251a87bf6
, however the underlying issues with multiuser gpencil and modifiers still remains.To reproduce:
Added subscriber: @MaferM
Mirror modifier not visible in GPencil object after separating a stroke from itto GPencil: Modifiers don't work after separate strokes and use hide in outlinerAdded subscribers: @lichtwerk, @antoniov
Changed status from 'Needs Triage' to: 'Confirmed'
I can confirm, but not only for mirror. Any modifier is not evaluated when hide the object from outliner... saving the file fix all problems.
@lichtwerk I have tested and it's a tag missing, but not sure which one. The function is
gpencil_stroke_separate_exec
. In theory the original and destination datablock are tagged, but I have tested and the functionBKE_gpencil_modifiers_calc
is not called for this object when hide/unhide in outliner. Could take a look and try to find the missing tag? I'm looking and all looks right.To Test:
P
to separate one stroke.Thank you very much for the quick response and your hard work!
This issue was referenced by
ee43580623
This issue was referenced by
4251a87bf6
I've fixed the wrong usercount on separating [which exposes another issue with gpencil modifiers] in
4251a87bf6
now.So the underlying issue is still there, but the usecase described here now works.
@antoniov: should we keep this report (altering its description) for the "multiuser-modifier-issue"? Or close and handle that separately?
GPencil: Modifiers don't work after separate strokes and use hide in outlinerto GPencil: Modifiers don't work after separate strokes and use hide in outliner [issue with multiuser gpencil objects and modifiers]@lichtwerk I cannot reproduce the bug now. can you? If you cannot reproduce it, we can close the report.