[PATCH xf86-video-dummy] Add glamor acceleration which enables native OpenGL support

[Adam Jackson]

On Wed, 2017-03-08 at 01:03 +0000, Yu, Qiang wrote:
> > Now this is cool. Any chance I can get you to do the same for Xvfb?
> 
> Thanks. I can give a try latter next month, seems glamor and egl need to support
> more depth for this.

No they don't. I mean, it'd be awesome if glamor worked well at depth
16 too, but depth 24 only is entirely sufficient.

- ajax