Re: Is font rendering sharper under Wayland?

[Tatsuyuki Ishi]

> I have recently switched to Wayland on my desktop (KDE Plasma) and
> think I have noticed that text is rendered sharper under Wayland. Is
> this technically possible given that Wayland is just a protocol, or
> am I just imagining it?
Wayland as a protocol does not change anything for FreeType. As a rule
of thumb, always use screenshots to compare text rendering (opening it
with GIMP and using the color picker tool helps tool).

However, there are two things that could possibly change text rendering
silently:
- Qt might be picking up different settings. In my experience Qt is
less consistent when it comes to dealing with platform hinting
preference, but again you need to look at the screenshot to confirm it.
- You might have the fractional scaling enabled, which is broken in
Wayland. Wayland fractional scaling works by asking applications to
render at a larger, integer scaling factor (e.g. 200% when asking for
150%), and then scaling that down by the compositor. It breaks hinting
and introduces even more antialiasing artifacts, so I've found it
practically unusable. But since you're claiming "sharper" rendering
which sounds like a improvement, I doubt this is the case.

Tatsuyuki