Bug 434414

Summary:	Text in window titlebars has grayscale antialiasing when RGB antialiasing is enabled
Product:	[Plasma] kwin	Reporter:	Tornado99 <richrocksmyworld>
Component:	decorations	Assignee:	KWin default assignee <kwin-bugs-null>
Status:	RESOLVED UPSTREAM
Severity:	normal	CC:	alois1, kde, nate, plasma-bugs-null
Priority:	VLO
Version First Reported In:	5.21.2
Target Milestone:	---
Platform:	Other
OS:	Linux
URL:	https://bugreports.qt.io/browse/QTBUG-22334
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description Tornado99 2021-03-14 21:40:22 UTC

SUMMARY


STEPS TO REPRODUCE
1. Enable RGB font antialiasing in font config
2. 
3. 

OBSERVED RESULT

Viewing window titlebar text in KMag shows only grayscale AA is used, whereas RGB AA is used everywhere else

EXPECTED RESULT

RGB AA in titlebar

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: 
(available in About System)
KDE Plasma Version: 5.21.2
KDE Frameworks Version: 5.79.0
Qt Version: 5.15.2

ADDITIONAL INFORMATION

Comment 1 Alois Wohlschlager 2021-03-15 06:37:40 UTC

See also: https://bugreports.qt.io/browse/QTBUG-22334

Comment 2 Nate Graham 2021-03-17 23:13:08 UTC

Yes indeed, we are blocked by https://bugreports.qt.io/browse/QTBUG-22334 due to the implementation, which isn't super feasible to change without losing performance.