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Flickering of viewport when rotating and zooming
Closed, ResolvedPublic

Description

System Information
Operating system: Windows 7
Graphics card: GTX 1070

Blender Version
Broken:
2.80 Beta
Date: 2018-11-29 15:57, Hash: 26d5a3625ed, Branch: blender2.8
Worked: (optional)

Flickering occurs (or its random change of view type?) when rotating around object with MMB and also when zooming in and out with mouse wheel). It occurs when zoomed in quite a bit, seams to work fine when zoomed out.

Exact steps for others to reproduce the error
Open attached file - it should open already with an visual error. Now click MMB and navigate around object - flickering should occur{F5761170}. try also zoom in and out with scroll wheel. Flickering/changes occur as well.

Event Timeline

Sebastian Parborg (zeddb) lowered the priority of this task from Needs Triage by Developer to Needs Information from User.Dec 21 2018, 1:31 PM

I can not reproduce this issue with a build from today, could you retry with a recent blender version from https://builder.blender.org/download/ ?

Still the same with Build from January 6 2019, but I have never encountered that problem with files that were created inside of Blender 2.8. Attached file was made in 2.79 and loaded into 2.8, re-saved. Maybe it is some sort of weird, marginal glitch.

Sebastian Parborg (zeddb) raised the priority of this task from Needs Information from User to Confirmed, Medium.

Actually, I can reproduce this now too (don't know why I couldn't before). It seems to only happen in ortho view.

If I zoom in and out just right, I can get it to stay in the incorrect render mode (so it's not flickering):


How it should look:

So it seems like it's entering x-ray mode or just skipping rendering the solid faces.

slawek (nezumi) added a comment.EditedJan 7 2019, 9:51 PM

Ow yeah when you carefully match the distance or angle you can make it stay in incorrect mode. Sorry I used "flickering" incorrectly.
Also correction - it happens also in files created in 2.80. It just happened to me with other project, fully started in 2.80 so it is a problem.