[Wayland-bugs] [Bug 101436] Screen size cannot rely on wl_output scale and geometry

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101436

--- Comment #1 from Pekka Paalanen <ppaalanen at gmail.com> ---
Could you also clarify what "screen size" and "monitor size" mean and what they
are used for via Xwayland? I kind of know what they are in X11, but I have no
idea how X11 applications use them.

E.g. for fullscreening, I would hope apps used WM protocols to ask what their
fullscreen size should be, but I understand that's wishful thinking. So how
exactly are these details used?

This report sound like a continuation of the long irc discussion I had with
Olivier Fourdan, where talked about how one could support HiDPI and mixed-dpi
systems with Xwayland. Should we include that topic here as well?

You now want to support fractional scaling behind applications' back. Was this
not foreseen when the wl_output and wl_buffer scale protocol was designed? What
has changed? Why is it now feasible?

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