[Mesa-dev] One more thing to cut from the main branch...

[Ernst Sjöstrand]

Having Apple GLX live on on the "classic-lts" branch wouldn't be such a bad
thing, would it?
Less conflicts for everyone.

Regards
//Ernst

Den ons 28 apr. 2021 kl 04:07 skrev Jeremy Huddleston Sequoia <
jeremyhu at apple.com>:

>
>
> > On Apr 27, 2021, at 12:36, Ian Romanick <idr at freedesktop.org> wrote:
> >
> > (Adding Jeremy to the CC list.)
> >
> > I don't /think/ that should have any impact.  The Apple GLX layer is a
> > an implementation of GLX on top of the native window system for Mac OS
> > X.
>
> No, it's not on top of the native windowing system. It's on top of X11 and
> effectively wraps CGL contexts inside GLX contexts, mapping GL and GLU API
> calls to the host OpenGL.framework.  It also uses AppleDRI to get the
> underlying CGL Context bound to the CGWindow that backs the X11 window that
> the GLX context is bound to.  Basically, it's a big pile of glue that I'm
> amazed works as well as it does.
>
> > It doesn't get much support from Apple or the rest of the Mesa
> > community... and it hasn't for quite a few years.
>
> Correct.  It has not been supported by Apple since around 2010.  In my
> spare time, I sometimes try to help keep it building in the hopes someone
> else will come along and take it over and modernize it, but that has not
> happened.
>
> I'd certainly prefer to keep it in the main branch but would love it if
> someone could help summarize (and document in the tree) what the right
> architecture should be for shimming out to another OpenGL implementation,
> and we could move GLX+macOS, GLX+Windows (and any others?) to such an
> implementation.  If I knew what you all thought the right approach would
> be, I could probably do it in my spare time or at least evangelize the
> project with the XQuartz community as I know there are folks heavily
> dependent on GLX continuing to work.
>
> > On 4/27/21 12:21 PM, Jason Ekstrand wrote:
> >> Maybe, maybe not....  I mean, normally I'd be all for it but....
> >>
> >> https://rosenzweig.io/blog/asahi-gpu-part-3.html
> >>
> >> --Jason
> >>
> >> On Tue, Apr 27, 2021 at 12:32 PM Ian Romanick <idr at freedesktop.org>
> wrote:
> >>>
> >>> If we're going to cut all the classic drivers and a handful of older
> >>> Gallium drivers... can we also cut Apple GLX?  Apple comes around every
> >>> couple years to fix breakages that have crept in, and we periodically
> >>> have compile breaks that need fixing (see
> >>> https://gitlab.freedesktop.org/mesa/mesa/-/issues/4702).  As far as I
> >>> can tell, having it in the main branch provides zero value to anyone...
> >>> including Apple.
> >>> _______________________________________________
> >>> mesa-dev mailing list
> >>> mesa-dev at lists.freedesktop.org
> >>> https://lists.freedesktop.org/mailman/listinfo/mesa-dev
> >
>
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