[Mesa-dev] [PATCH] wayland/egl: Ensure EGL surface is resized on DRI update_buffers()

[Emil Velikov]

Hi Carlos,

On Mon, 3 Dec 2018 at 08:09, Carlos Garnacho <carlosg at gnome.org> wrote:
>
> Fullscreening and unfullscreening a totem window while playing a video
> sometimes results in the video subsurface not changing size along. This
> is also reproducible with epiphany.
>
> If a surface gets resized while we have an active back buffer for it, the
> resized dimensions won't get neither immediately applied on the resize
> callback, nor correctly synchronized on update_buffers(), as the
> (now stale) surface size and currently attached buffer size still do match.
>
> There's actually 2 things to synchronize here, first the surface query
> size might not be updated yet to the wl_egl_window's (i.e. resize_callback
> happened while there is a back buffer), and second the wayland buffers
> would need dropping if new surface size differs with the currently attached
> buffer. These are done in separate steps now.
>
> https://bugzilla.redhat.com/show_bug.cgi?id=1650929
>
> Signed-off-by: Carlos Garnacho <carlosg at gnome.org>
> Tested-by: Bastien Nocera <hadess at hadess.net>

Please check if commit a9fb331ea7d1a78936ea8d8385e44cfd66f835c1 has
any effect on the issue at hand.
Does it resolve it, or perhaps it makes it more prominent?

That said,  Cc-ing Daniel/Juan as the people who discussed this in great length.

HTH
Emil