[Wayland-bugs] [Bug 93315] Automatically scale windows?

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93315

--- Comment #12 from Alexander Larsson <alexl at redhat.com> ---
I don't think that is really a problem though. 

not dynamic: We could just always allocate a scale 2 screen.

can't blit across screens: When would you need that. Apps would generally just
connect to either one, and ignore the other. The compositor can do blitting on
the wayland side.

windows can't share screens or move to other screen: Well, either the app has
no knowledge of hidpi, we then always want it to be on the screen that has
scale=1 (i.e. is scaled up if the real output is scale=2). Apps that are hidpi
aware are passed the unmodified screen (and some env var is set about the
scale), and then they can render in full resolution. Then the compositor can
scale these down to scale=1 outputs in the mixed-scale case.

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