[PATCH 1/3] RFC: drm: Restrict vblank ioctl to master

Rainer Hochecker fernetmenta at kodi.tv
Tue Jun 21 05:15:28 UTC 2016


Thanks for clarification. That changes my view on Wayland.

Cheers,
Rainer

On Tue, Jun 21, 2016 at 7:01 AM, Daniel Stone <daniel at fooishbar.org> wrote:

> Hi,
>
> On 21 June 2016 at 14:57, Rainer Hochecker <fernetmenta at kodi.tv> wrote:
> > Are you saying that this is outdated:
> > https://wayland.freedesktop.org/faq.html#heading_toc_j_12
> >
> > A more subtle point is that libGL.so includes the GLX symbols, so
> linking to
> > that library will pull in all the X dependencies. This means that we
> can't
> > link to full GL without pulling in the client side of X, so we're using
> > GLES2 for now. Longer term, we'll need a way to use full GL under
> Wayland.
>
> Badly worded, really.
>
> libGL.so includes the GLX API entrypoints, so your libGL will link to
> X11. For that reason - and because there's no need for it to use full
> GL - Weston uses GLES2 for its own composition. For clients, if you
> don't care about this, then you can use libGL + EGL (this has always
> worked), or there's also libglvnd's libOpenGL (this is new). Given
> that, it should be reworded.
>
> Cheers,
> Daniel
>
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