macOS Metal viewport: Blocking artefacts on selected faces #105830
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Reference: blender/blender#105830
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System Information
Operating system: macOS-13.1-arm64-arm-64bit 64 Bits
Graphics card: Apple M1 Max Apple 4.1 Metal - 83
Blender Version
Broken: version: 3.6.0 Alpha, branch: main, commit date: 2023-03-16 13:14, hash:
8bb411ad1a5eWorked: N/A
Short description of error
macOS Metal: Blocking artefacts on selected faces
Exact steps for others to reproduce the error
Notice the blocking artefacts. These are not present with OpenGL.
macOS Metal: Blocking artefacts on selected facesto macOS Metal viewport: Blocking artefacts on selected facesCan't reproduce on
Operating system: macOS-13.2.1-x86_64-i386-64bit 64 Bits
Graphics card: Metal API AMD Radeon Pro 5700 XT 1.2
Yes, this issue could be Apple Silicon only.
Below is a screen recording of Blender running on Metal on an M1 Max Macbook pro. You should be able to see the blocking artefacts as viewport camera moves.
Yes this is an issue we are familiar with, has to do with the depth bias and is Blender 3.6 only.
Will confirm for now.
@Jeroen-Bakker : when confirming, please make sure to add the
Modulelabel (not just add it to the Projec).In #106547, @Kuzey has shown the same issue for unselected faces.
Any updates on this? I would love to start downloading the daily builds again
While the issue is slightly reduced now, for me here it's not resolved.
Below you can see a screenshot from master today. The artefacts clear up as I zoom in, but when I zoom further back, they are still present.
Ok, might be related to the resolution of the monitor. I will check different systems to see if there are better magic numbers.
FWIWI get these issues both on my 16" Retina MacBook Pro and my 27" 5K. At work we have 6K displays too.
Looks like there are two separate issues at play here.
The original issue seemed to be in relation to retopology overlay, which I believe is fixed by Jeroen's patch.
The second issue is reproducible on any display I have tried, which is the blocking artifacts on certain planes with the edit overlay, though it only tends to happen when being more zoomed out, or on a higher pixel density display.
I will look into a fix for this.