Sculpting: glitches after undoing a Dyntopo stroke #77974
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Reference: blender/blender#77974
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Delete Branch "%!s(<nil>)"
Deleting a branch is permanent. Although the deleted branch may continue to exist for a short time before it actually gets removed, it CANNOT be undone in most cases. Continue?
System Information
Operating system: Windows 10
Graphics card: NVIDIA GeForce RTX 2060
Blender Version
Broken: 2.83 and 2.90 Alpha
Worked: I remember this not being an issue in one of the Sculpt Branch versions. I believe is was 2.81.
Short description of error
After turning on Dyntopo, changing the Detail Size, then drawing a stroke, if I immediately undo the stroke, the mesh bugs out, and Dyntopo is automatically turned off.
NOTE: The mesh bugging out seems to be fairly inconsistent. Sometimes when working on my sculpts, after changing the Detail Size, drawing a stroke, then undoing, the vertices will bug out and the colors will change, but sometimes they won't. It's hard to tell what's really causing the issue. What is consistent though, is the fact that Dyntopo always turns off after doing the steps below.
Exact steps for others to reproduce the error
Screenshot:
Temporary Fix:
This temporary fix is fine for getting rid of the screwed up vertices and weird colors, but the fact that Dyntopo is turned off every time I change the Detail Size, draw a stroke, then immediately undo, is pretty annoying. I can work around it, but it's definitely an inconvenience.
Added subscriber: @aallen170
Added subscriber: @ankitm
I cannot redo it on
7dae6eb5a2
.Which version did you test ?[SCULPTING] After turning on Dyntopo, changing the Detail Size, then drawing a stroke, if I immediately undo the stroke, the mesh bugs out, and Dyntopo is automatically turned off.to Sculpting: glitches after undoing a Dyntopo strokeI tested it on both 2.83 and 2.9 Alpha. Would it have something to do with my Graphics Card?
Please also mention hash
Can't tell without knowing the driver version. But it's good to stay updated.
Added subscriber: @Foaly
Probably the same bug: #75846
Back then we were unable to reproduce.
@Foaly are you able to redo it now ?
as I said, I cannot. Is it GPU specific ?
@ankitm I cannot reproduce it with the instructions here.
I can reproduce it with the file from #75846 (as mentioned there).
I also know of a related situation where (apparently) incorrect face sets are present:
Oh I can redo the bug with that, Thanks!
So IMO best is to confirm that in a new report, close #77974 and #75846 as its duplicates and revisit them when the new report is fixed.
2.83 Hashes:
MD5: a10762e5f1ff93f0fe48202ab3bef700
SHA256: fff0fc02b284df4dfcc1568b5c9a5ea9fe47f3c6f77c5c52f71eb7f44255c34d
2.9 Alpha Hashes:
MD5: ef577af8891746c5a0fd3e876412a6fd
SHA256: 94bb0a75ae0cd1e31cfd733fd839914b991329851fd46ade1b18cb1a8684299d
Also, I looked at the other issue and it's very similar to mine. I guess this bug is still being looked into?
Added subscriber: @iss
They meant git commit hash (next to version like
d994391e0c
). It will be auto-filled in when you click on Help > Report a Bug.@ankitm Not sure if we should close as duplicate since @Foaly can reproduce other one but not this one. But I agree on making new report if there is (yet) another method to trigger this issue.
In any case I wasn't able to confirm this one as well.
#78125 (Face sets: glitch in sculpt mode after joining two objects. )
Please edit the title if it's wrong.. I don't know a lot about it.
So that is intended behaviour apparently.
Closed as duplicate of #80174