[Blender 3.0] Line art is Flickering #93557

System Information

Operating system: windows 10
Graphics card: NVIDIA RTX 2070 super
MEMORY : 32GB RAM

Blender Version
Broken: 3.0, f829b86039 ~ 3788003cda
Worked: a040d2a93a

Short description of error

The line art of Blender 3.0 is Flickering and some of it is invisible. Also, performance degrades in busy scenes.

Desktop 2021.12.02 - 08.58.38.01.mp4

Exact steps for others to reproduce the error
Based on the default startup or an attached .blend file (as simple as possible).

untitled.blend

Added subscriber: @joo

Added subscriber: @ChengduLittleA

Let me investigate.

In line art branch the file works fine. I'm not sure what change caused the issue, this should be fixed.

Maybe it causes problems in the indoor scene. Also, there seems to be a memory leak problem. https://developer.blender.org/T93454

Changed status from 'Needs Triage' to: 'Resolved'

Hi there, I compiled the 3.0 release branch just now, it works fine now. I think It's the emergency fix 24b84e46 I pushed yesterday that did the trick.

Thank you! It works properly on 9sec9b4d6e33!

Added subscriber: @poyoiamayoyo

Hey @ChengduLittleA ,

I encounter the same problem with the line art - I'm already using 3.1.2

System Information

Operating system: Windows 10
Graphics card: NVIDIA RTX 2070 super
MEMORY: 32GB RAM

Short description of the error

The line art of Blender 3.1.2 is Flickering and some of it is invisible - it's very hard to edit since any small movement will almost make the blender unworkable. I'm not 100% that this is the same problem, but it does have the same characteristics

Is there anything you need from me?

Kind regards,

Poyo

Hi @poyoiamayoyo ! Do you have a file set up that I can take a look?

Hey @ChengduLittleA,

Thank you for your quick response, below is the file. Intentionally didn't put the materials since it's too large.

Club Door.blend

Please let us know what you find out :)

Poyo

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[Blender 3.0] Line art is Flickering #93557