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

[Rainer Hochecker]

I spent some time reading and investigating on this. Bear with me, I am
doing Kodi development in my spare time and may not be up-to-date on all
platforms. Seems Wayland is much better suited to serve as reference
platform as X11 does. Is that correct? If so I don't request OML_sync_control
for EGL. Don't waste resources and let the old crap die.

Rainer

On Tue, Jun 21, 2016 at 7:15 AM, Rainer Hochecker <fernetmenta at kodi.tv>
wrote:

> 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 Are you saying that this is outdated: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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