[ANNOUNCE] xorg-server 1.19.99.904

[Olivier Fourdan]

Hey Adam,

On Wed, Apr 11, 2018 at 4:40 PM, Adam Jackson <ajax at redhat.com> wrote:

> On Wed, 2018-04-11 at 09:49 +0200, Olivier Fourdan wrote:
>
> > What are the risks of landing it? It would break for hardware/driver
> > which are not supported yet anyway?
>
> The code it adds basically only runs on NVIDIA's drivers, since nobody
> else supports EGL_KHR_streams (as far as I'm aware, at least). Mesa
> doesn't seem to have any interest in adding it, and even if they did
> we'd probably prefer to keep using gbm there as the streams approach is
> intrinsically one more blit, at least as written.
>
> So the risks are low. The benefit is Xwayland could use glamor instead
> of fb. Which you'd think would be a win, as I'm told NVIDIA's GL is
> pretty good. In practice it's kind of a wash at the moment. It's
> possible that's because glamor is doing something naive in its renderer
> or its streams usage, or due to a bug in NVIDIA's driver.
>

Right, and in the worse case (i.e. a bug with EGLstream crashes glamor),
users can set XWAYLAND_NO_GLAMOR to disable glamor support.

So the risks are even lower...

Cheers,
Olivier
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.x.org/archives/xorg-devel/attachments/20180411/886f1c45/attachment.html>