Make DRM plane-assignment algorithm tolerant of more than one fullscreen opaque surface?

[Matt Hoosier]

On Tue, Aug 15, 2017 at 9:16 AM, Daniel Stone <daniel at fooishbar.org> wrote:
>
> No, that's all the way broken. I assume the only way this hasn't yet
> bitten us is that the background in stock desktop-shell is a SHM-only
> client, so won't get promoted to a plane.
>
> That should be fixed in the atomic branch though, AFAICT. I'd happily
> review a discrete fix, but if you can hold on then it should already
> (hopefully) be fixed.

Thanks for the background. I posted a possible fix for your review at
https://lists.freedesktop.org/archives/wayland-devel/2017-August/034845.html.
I'd find your feedback valuable even if you prefer just to wait for
atomics to merge to master, because I'm probably going to end up using
existing releases on Weston for quite some time.

-Matt