Wayland and GLES1 (Re: R200 DRM/KMS)

[Steven Newbury]

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"?

> Absolutely nothing about Wayland limits your choice of the GL 
> flavour -
> even more so as the compositor is not running *on* Wayland.
> 
> Also, the question of running GL apps on Wayland is a whole another
> matter. There used to be a common misconception that Wayland had
> something to do with only allowing GLES.
> 
> Finally, there is the option of software rendering for composition...
> 
Well, considering I was wondering about running Wayland on ancient
hardware, perhaps software compositing wouldn't be ideal! ;-)
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