DRI2 Heads up

[Kristian Høgsberg]

Hi,

Here's a quick, last-minute note on the state of DRI2 before I take
off for 2 weeks of vacation.  I just pushed the updated protocol+docs
to dri2proto and updated mesa, xserver and the dri2 branch of
xf86-video-intel with the corresponding changes.  What's implemented
here is the lowest level of support that we've discussed: none vsync
handling or page-flipping idea we've discussed are there yet.  What is
in place is the basic DRI2CopyRegion request, and more importantly,
the mechanism for adding further args and return values to that
request in later DRI2 revisions.

I think we can merge the dri2 branch to master in xf86-video-intel
now, since it still requires an Option "DRI2" in xorg.conf to enable
and the APIs and protocol feels like they're in place at this point.
But since I don't expect to be back online and help with merging
issues until November, I can understand if we want to hold off on
that.  Either way, please have a look and hopefully we can sort this
out next month at least.

cheers,
Kristian