Direct GLX, IGLX, AIGLX, DRI2 and DRISW. Which is/can do what ?

[Adam Jackson]

On Thu, 2016-09-01 at 11:12 +0100, Emil Velikov wrote:
> Hi all,
> 
> I had a quick look recently in  the area and some things came a bit odd.
> 
> Afaict DRISW is not considered AIGLX (while DRI2 is) based on libglx's
> glxSetup(). At the same time both feature direct and indirect GLX.
> 
> Yet the current glxSetup considers that DRI2 is wired only in the AIGLX case.
> 
> At the same time, the earlier work by Ajax making libglx modular and allowing
> one too have the direct GLX w/o IGLX) goes further against the current glxSetup
> code.
> 
> So... is the above is about right and we currently have a bug in glxSetup() ?
> Or perhaps there's some subtlety that I'm missing ?

I'm not really sure what you're asking. Perhaps it would help to
remember that the "A" means "accelerated"? A software renderer can't
really be said to be accelerated, no matter how jitty and multithready
it might be.

- ajax