Full GL config attributes

[Brian Paul]

Jon Smirl wrote:
> Xegl sits on top of mesa/EGL. Xegl needs to export a full OpenGL API.
> How can I do this if the EGL API is blocking things like AUX and
> ACCUM? Don't we need to expose the full OGL config set?

In the case of aux and accum buffers, we need to extend EGL with those 
features.  For the time being, we'd just say there are no aux/accum 
buffers.

It should be trivial for someone to write up EGL extension specs for 
those features.

-Brian