Wayland and GLES1 (Re: R200 DRM/KMS)

[Steven Newbury]

On Thu Jul 9 03:32:40 2015 GMT+0100, Michel Dänzer wrote:
> On 09.07.2015 06:01, Steven Newbury wrote:
> > On Wed, 2015-07-08 at 21:56 +0100, Steven Newbury wrote:
> >> On Tue, 2015-07-07 at 09:18 +0300, Pekka Paalanen wrote:
> >>> On Mon, 06 Jul 2015 22:50:30 +0100 Steven Newbury
> >>> <steve at snewbury.org.uk> wrote:
> >>> 
> >>>> Would gles1 be sufficient to run a Wayland compositor, I'm 
> >>>> guessing probably not..?
> >>> 
> >>> If you can find a Wayland compositor that is written to composite
> >>>  with GLES1, that's all you need from the "Wayland side". (Yeah,
> >>> this has nothing to do with Wayland per se.) Compositing in
> >>> itself without any effects is very simple, as long as you get the
> >>> textures up.
> >>> 
> >>> Or, if you find a Wayland compositor written to use desktop
> >>> OpenGL for compositing and does not use features your GL driver
> >>> does not expose, that's good too.
> >>> 
> >> Is desktop OpenGL accessible from "EGL_PLATFORM=drm"?
> >> 
> > To answer my own question, it seems that is possible.  I wonder if
> > it works with mutter/cogl???
> 
> It does.
> 
> However, your problem seems rather that gnome-shell/mutter doesn't
> support R200 anymore.
Yes, that's true. I wonder if I can revert the incompatible change or better create a env variable to revert to the compatible behaviour or something? I'll need to take a look...

[I'm going to be posting a lot from my phone, my laptop power jack has just broken, again! :-( You'd think after 3.5 decades of making laptops we'd have come up with a better design!]
-- 
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