Regression: GPU Subdivision: Geometry artifacts with subdivision surface #102777
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Reference: blender/blender#102777
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System Information
Operating system: Linux-6.0.3-76060003-generic-x86_64-with-glibc2.35 64 Bits
Graphics card: NVIDIA GeForce GTX 1070 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 515.65.01
Blender Version
Broken: version: 3.4, 3.5.0
Worked: 3.3
Caused by
2a53e0f437Short description of error
using subdivision surface results in broken geometry in the viewport. as long as subdivision surface is active, changing any parameter on the object [such as materials or changes on other modifiers] results in a new glitch pattern. This might be a known issue, but I couldn't find any reports for this, so I'm making one. Feel free to remove it if is a duplicate.
Exact steps for others to reproduce the error
bug.blend
and also a link for a screen recording because I thought it was funny: https://youtu.be/Du5toIKx9kM
Added subscriber: @FractalParadox
Weird tesselating geometry with subdivison surfaceto Weird geometry with subdivison surfaceAdded subscriber: @mod_moder
Hello. I can't confirm this report.
Can you check this options in settings?
yes, it is. I'm using default settings for everything.
I mean do they affect anything for you?
Oh, right, I was being dumb. unchecking it makes the bug go away magically, so it might have something to do with gpu subdivision. sorry.
I suspect it's a duplicate. But I'm not affiliated with it and won't close it with certainty. #94936 (GPU subdivision option with subdivision surface modifier collapses geometry (AMD GPU))
(or some other similar problem)
Added subscribers: @lichtwerk, @PratikPB2123
Hi, thanks for the report. I'm unable to reproduce this in latest 3.4, 3.5 buildbot build
Could be a platform specific issue. @lichtwerk , are you able to replicate?
Changed status from 'Needs Triage' to: 'Confirmed'
Can confirm actually in updated master.
I'll check
Weird geometry with subdivison surfaceto Regression: GPU Subdivision: Geometry artifacts with subdivision surfaceAdded subscriber: @pragma37
Caused by
2a53e0f437@pragma37 ^
Changed status from 'Confirmed' to: 'Resolved'
I accidentally swapped two enums in D16420.
Should be fixed now.
Yes, fixed indeed, thanks :)