[Intel-gfx] [RFC] DRI2 swapbuffers (yes yet again)

[Jesse Barnes]

On Fri, 1 May 2009 14:19:29 -0700
Jesse Barnes <jbarnes at virtuousgeek.org> wrote:

> On Wed, 29 Apr 2009 18:02:59 -0700
> Jesse Barnes <jbarnes at virtuousgeek.org> wrote:
> 
> > On Wed, 29 Apr 2009 15:09:33 -0700
> > Jesse Barnes <jbarnes at virtuousgeek.org> wrote:
> > > I'm still working through mutlihead issues on the kernel side; the
> > > flip waits should wait for *both* vblank events before completing
> > > the flip.  But other than that, I'm pretty happy with things.
> > 
> > This incremental set fixes up the multihead handling and adds swap
> > interval support as a bonus.  It's nice to see flipping & no tearing
> > on two heads at once!
> 
> Here's an update that makes all the code generic.  Jakob suggested
> that we do the mode_set_base call out of the caller's context so we
> don't block the caller waiting for the GTT domain transition
> (effectively waiting until rendering finishes).  I definitely want to
> do this, but I'll have to add a way to communicate the necessary flip
> data from the ioctl to the new work function.

Btw, for the extra adventurous I've pushed dri2-swapbuffers branches to
dri2proto, mesa, xserver and xf86-video-intel branches, and a
kms-pageflip branch to drm.  You'll need to apply the kernel patch by
hand, but with those other branches running you should be good to go.

-- 
Jesse Barnes, Intel Open Source Technology Center