Hiding all of a mesh (medium density or higher) in edit mode causes visual glitch #96892

Closed
opened 2022-03-30 15:27:02 +02:00 by Kuzey · 13 comments

System Information
Operating system: macOS-12.3-arm64-arm-64bit 64 Bits
Graphics card: Apple M1 Apple 4.1 Metal - 76.3

Blender Version
Broken: version: 3.2.0 Alpha, branch: master, commit date: 2022-03-28 21:29, hash: 27424b758a

Also tested this in Version 2.93.0 (2.93.0 2021-04-19) and is broken there as well

Short description of error
I accidentally hid all of a mesh in edit mode and got a visual glitch and it seems to be in every version of Blender. The glitch goes away when you reveal the hidden object

testmonkey.blend

testmonkey.jpg. included is a screen grab and blend file.

Exact steps for others to reproduce the error

Add a monkey

Add a subdivision surface modifier set it to 2 or higher

Apply the modifier

Tab into edit mode and hit the h key to hide and you'll see the glitch.

**System Information** Operating system: macOS-12.3-arm64-arm-64bit 64 Bits Graphics card: Apple M1 Apple 4.1 Metal - 76.3 **Blender Version** Broken: version: 3.2.0 Alpha, branch: master, commit date: 2022-03-28 21:29, hash: `27424b758a` Also tested this in Version 2.93.0 (2.93.0 2021-04-19) and is broken there as well **Short description of error** I accidentally hid all of a mesh in edit mode and got a visual glitch and it seems to be in every version of Blender. The glitch goes away when you reveal the hidden object [testmonkey.blend](https://archive.blender.org/developer/F12957173/testmonkey.blend) ![testmonkey.jpg](https://archive.blender.org/developer/F12957174/testmonkey.jpg). included is a screen grab and blend file. **Exact steps for others to reproduce the error** Add a monkey Add a subdivision surface modifier set it to 2 or higher Apply the modifier Tab into edit mode and hit the h key to hide and you'll see the glitch.
Author

Added subscriber: @kuzey

Added subscriber: @kuzey

Added subscriber: @iss

Added subscriber: @iss

Changed status from 'Needs Triage' to: 'Needs User Info'

Changed status from 'Needs Triage' to: 'Needs User Info'

May be duplicate of #94936. Please check if this happens when you disable or enable GPU subdivision in Preferences > Viewport > Subdivision

May be duplicate of #94936. Please check if this happens when you disable or enable GPU subdivision in Preferences > Viewport > Subdivision

Added subscriber: @kevindietrich

Added subscriber: @kevindietrich

Since the modifier is applied, it is unlikely to be a problem with GPU subdivision.

Since the modifier is applied, it is unlikely to be a problem with GPU subdivision.

Changed status from 'Needs User Info' to: 'Needs Triage'

Changed status from 'Needs User Info' to: 'Needs Triage'

Added subscriber: @mano-wii

Added subscriber: @mano-wii

Yes, you are correct, I saw picture and modifier mentioned, so immediatelly thought this will be GPU subdiv issue.

In that case, @mano-wii, can you check?

Yes, you are correct, I saw picture and modifier mentioned, so immediatelly thought this will be GPU subdiv issue. In that case, @mano-wii, can you check?

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

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

I can confirm the problem.
It seems that when all edited geometry is hidden, some garbage is read in the GPU.

I can confirm the problem. It seems that when all edited geometry is hidden, some garbage is read in the GPU.

This issue was referenced by b47c5505aa

This issue was referenced by b47c5505aa3791639c2bd7d68a95bd1515e606ed

Changed status from 'Confirmed' to: 'Resolved'

Changed status from 'Confirmed' to: 'Resolved'
Clément Foucault self-assigned this 2022-05-10 23:36:22 +02:00
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Reference: blender/blender#96892
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