Bug 449472

Summary:	Splash animation isn't seamless on X11
Product:	[Plasma] plasmashell	Reporter:	Vytautas <doggoofspeed>
Component:	Splash Screens	Assignee:	Plasma Bugs List <plasma-bugs>
Status:	CONFIRMED ---
Severity:	minor	CC:	nate
Priority:	NOR
Version:	5.27.5
Target Milestone:	1.0
Platform:	Other
OS:	Other
Latest Commit:		Version Fixed In:
Attachments:	Video of the unseamlesness (Sorry if Firefox doesn't render this :/)

Description Vytautas 2022-02-01 19:37:52 UTC

SUMMARY
What the title means:
Animation starts (Looks good)
Plasma is loaded, a black screen appears for a second (looks bad)
Animation ending (looks good)
Basically it flickers when switching between the animation loop and the animation ending

Reproducible with both stock and custom splash screens

STEPS TO REPRODUCE
1. Log in

OBSERVED RESULT
Animation isn't seamless

EXPECTED RESULT
Animation is seamless

SOFTWARE/OS VERSIONS
Operating System: Garuda Linux
KDE Plasma Version: 5.23.5
KDE Frameworks Version: 5.90.0
Qt Version: 5.15.2
Kernel Version: 5.16.4-zen1-1-zen (64-bit)
Graphics Platform: X11
Processors: 8 × AMD Ryzen 5 3500U with Radeon Vega Mobile Gfx
Memory: 5.7 GiB of RAM
Graphics Processor: AMD Radeon Vega 8 Graphics

Comment 1 Nate Graham 2022-02-03 19:04:55 UTC

Cannot reproduce on Wayland.

Comment 2 Vytautas 2022-02-04 14:56:18 UTC

Created attachment 146258 [details]
Video of the unseamlesness (Sorry if Firefox doesn't render this :/)

Comment 3 Vytautas 2022-02-04 14:57:33 UTC

(In reply to Nate Graham from comment #1)
> Cannot reproduce on Wayland.

Yeah, sorry, should have tested a bit more myself 😅.
I can't reproduce this on Wayland as well, seems like an X11 issue...