DRI2 direct rendering

[Jin, Gordon]

Kristian H?gsberg wrote on Tuesday, April 01, 2008 5:35 AM:
> Hi,
> 
> I just committed the last big chunk of DRI2 work, the direct rendering
> support.  With this, we can now do direct rendering to redirected
> windows and GLX_EXT_texture_from_pixmap even works, so compiz (and
> other Open GL compositing managers) can run in direct rendering mode
> too.
> 
> I ended up rolling a couple of changes into the direct rendering work
> and the commits in mesa and xserver grew much bigger than what I would
> have liked.  Short story is that the DRI2 interface and the legacy
> interface diverged and I had to break the DRI interface again.  So I
> decided to make a couple of changes I'd been considering, most
> noticably, the GLX specifc, open coded __GLcontextModes struct is no
> longer part of the DRI driver interface, and with it glcore.h is also
> gone.  This change is the cause of most of the code churn.  I could
> have tried to split the commits up in a couple of independent commits,
> but it would be a lot of work and I figured it'd be nice to only have
> one commit that breaks the interface.
> 
> The upshot is that git xserver AIGLX needs git mesa DRI driver and for
> DRI2, get the latest version of the xf86-video-intel intel-batchbuffer
> branch too.

Is there an option to disable DRI2 (or say, switch to legacy DRI) for those who would stick to xf86-video-intel master branch (or 2.3) at this point?

Gordon