Regression: GPU Subdivision: EEVEE doesn't refresh viewport correctly with Armature modifier #105749
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Reference: blender/blender#105749
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System Information
Operating system: Windows-10-10.0.19044-SP0 64 Bits
Graphics card: NVIDIA GeForce RTX 2060/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 516.94
Blender Version
Broken: version: 3.3LTS, master
Worked: 3.2.2
Short description of error
GPU Subdivision doestn't refresh viewport correctly an object when Armature and Subdivision Surface Modifiers are used.
Exact steps for others to reproduce the error
armature modifierthenSubdivision Surface Modifier.It works fine when "GPU Subdivion option" is turned OFF (Prefrences > Viewport > Subdivision > GPU Subdivision)
I added "BeforeGPUSubDBug.blend". You can reproduce this issue by loading the blend file and doing step 7)
Added Screen shots.
Can't reproduce this issue (RTX 3060). @kevindietrich Can you repro?
@iss
Thank you for verifing. What do you use the driver version?
I tried install latest studio driver (528.49) and verified it. It looks fine first, but hit [Tab] key twice to enter and leave Edit Mode, it works wrong too...
From
BeforeGPUSubDBug.blend, I can't reproduce this with material slot panel but I can reproduce with switching in and out of edit mode (Windows 10/RX 570).IssueGPUSubdivWithArmature.mp4
I can confirm when switched between modes.
Issue is only reproducible if armature is added to object property of
Armature modifierin EEVEE(Steps updated in description)
GPU Subdivision and EEVEE doestn't refresh viewport correctly an mesh object that has multi material channels and Armature and SubD modifiersto GPU Subdivision: EEVEE doesn't refresh viewport correctly with Armature modifierGPU Subdivision: EEVEE doesn't refresh viewport correctly with Armature modifierto Regression: GPU Subdivision: EEVEE doesn't refresh viewport correctly with Armature modifierObserving crash in intermediate builds so I won't be able to find the exact commit.
Suspects are:
9d9f2f1a03342e12d6d9I don't see the why this should be considered as a high priority, so lowering the priority.
@Jeroen-Bakker, GPU subdivision was added in 3.1: https://wiki.blender.org/wiki/Reference/Release_Notes/3.1/Modeling :)
Ah, thanks! So first task would be to find the change that broke this. Due to the upcoming release I have to spent time on other tasks. If anyone can help pinpoint the issue ...