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Maniphest T57915

Fullscreen window switching troubles.
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Description

System Information
Win10(64), GTX670

Blender Version
latest daily 2.8
Worked: latest daily 2.79

Short description of error
When I go into fullscreen mode, Blender works properly. But as soon as I want to switch to another window (ALT+TAB), the switching performance is really sluggish and glitchy. It takes multiple seconds and multiple tries to get it to switch. Really annoying. This is not a problem when I am only in a maximized mode. I do not experience this with 2.79 builds.

Event Timeline

Daniel Rigler (dddstudio) created this task.Nov 18 2018, 7:15 PM
Philipp Oeser (lichtwerk) added a subscriber: Philipp Oeser (lichtwerk).Nov 19 2018, 3:57 PM

Cannot reproduce here (linux, 970m).

Daniel Rigler (dddstudio) added a comment.Nov 19 2018, 4:01 PM

Thanks! Might be Windows specific then.

Christian Lutz (LosBopfos) added a subscriber: Christian Lutz (LosBopfos).Nov 19 2018, 6:16 PM

Get the same problem on Windows10 64Bit, GTX970.

Bastien Montagne (mont29) assigned this task to Clément Foucault (fclem).Nov 29 2018, 11:26 AM
Bastien Montagne (mont29) lowered the priority of this task from 90 to Normal.
Bastien Montagne (mont29) edited projects, added GPU / Viewport; removed User Interface, BF Blender.
Bastien Montagne (mont29) added a subscriber: Bastien Montagne (mont29).

Assigning to our GL expert, but not sure we can do much here, this is likely some combination of OS/GPU driver issue… :/

Brecht Van Lommel (brecht) edited projects, added BF Blender; removed BF Blender: 2.8.Dec 11 2018, 3:09 PM
Alvaro Carrillo (Alvaro) added a subscriber: Alvaro Carrillo (Alvaro).Dec 15 2018, 10:04 PM

Same here, windows 10 64bit, laptop with gtx 1050 mobile. Daily build.

Dalai Felinto (dfelinto) removed Clément Foucault (fclem) as the assignee of this task.Dec 23 2019, 4:35 PM
Dalai Felinto (dfelinto) added a project: Tracker Curfew.
Dalai Felinto (dfelinto) added a subscriber: Clément Foucault (fclem).
Germano Cavalcante (mano-wii) changed the task status from Confirmed to Needs Information from User.EditedJan 28 2020, 5:25 PM
Germano Cavalcante (mano-wii) added a subscriber: Germano Cavalcante (mano-wii).

I cannot reproduce the problem.
Operating system: Windows-10-10.0.18941 64 Bits
Graphics card: Radeon (TM) RX 480 Graphics ATI Technologies Inc. 4.5.13559 Core Profile Context 26.20.12028.2

Is it still an issue in blender 2.83?
https://builder.blender.org/download/

Daniel Rigler (dddstudio) added a comment.Jan 29 2020, 9:29 AM

Sorry, I completely forgot about this. It is not a problem with 2.83. Seems to be fixed.

Daniel Rigler (dddstudio) closed this task as Resolved.Jan 29 2020, 9:30 AM
Clément Foucault (fclem) edited projects, added EEVEE & Viewport; removed GPU / Viewport.Jun 19 2020, 11:10 PM