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Save dialogue display performance issue on macOS
Confirmed, LowPublicBUG

Description

System Information
Operating system: Darwin-19.4.0-x86_64-i386-64bit 64 Bits
Graphics card: AMD Radeon Pro 560 OpenGL Engine ATI Technologies Inc. 4.1 ATI-3.8.24

Blender Version
Broken: version: 2.83.0 Beta, branch: master, commit date: 2020-05-30 15:33, hash: rBec26260132b4
Worked: 2.80 less slow, 2.79 best

Short description of error
When calling the Save dialogue with Ctrl+S, the user has to wait for almost one second for the dialogue to appear and be functional.
Further, the file name field seems to appear with a delay, causing the interface to adjust - creating visual noise.

Exact steps for others to reproduce the error
Open a new file. Save the file.

Event Timeline

Julian Eisel (Severin) changed the task status from Needs Triage to Confirmed.EditedJun 2 2020, 12:50 AM
Julian Eisel (Severin) triaged this task as Low priority.
Julian Eisel (Severin) changed the subtype of this task from "Report" to "Bug".

I do notice a slight delay here (also Darwin-19.4.0), but I would have never noticed it if I didn't pay attention. This doesn't happen merely to the file browser, but also to any other opened windows, e.g. Preferences or new main windows.
There doesn't seem to be a delay with 2.82. Didn't test 2.83.
Off hand I can't think of any change that could have caused this. Probably it's macOS-only too, although that's to be confirmed.

Tagging as bug since this worked in 2.82.

Actually, I have a suspect: rB6c4ef6159cf9. It changes how the screen-layout is initialized and adds additional OS queries to determine the usable window size.

Campbell Barton (campbellbarton) renamed this task from Save dialogue display performance issue to Save dialogue display performance issue on macOS.Jun 2 2020, 2:36 AM