xf86-video-dummy: resize to exact resolution

[Erik Jensen]

On Thu, Jun 23, 2016 at 1:49 PM Adam Jackson <ajax at nwnk.net> wrote:

> The idea has been discussed, but I don't know of anyone actually making
> any effort in that direction. And honestly I'd prefer if they didn't.
> Xorg so deeply assumes that you're talking to physical hardware that
> making it _not_ do so requires intrusive changes. Xwayland began life
> as an Xorg driver, and that ended up being kind of a bad plan. I don't
> see why dummy/nested would be preferable to Xvfb or Xnest.
>

I can see why Xwayland might be easier as a separate server, given that it
has to interact with Wayland input devices and has the option to forward
top-level windows individually to Wayland. Are there any factors that
similarly complicate the dummy use case? The dummy driver itself is very
simple (even more so with Aaron Plattner's proposed cleanups) and rarely
needs updates. In our testing so far, it works quite well.
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