slides from my talk at DDC

Jon Smirl jonsmirl at gmail.com
Mon Aug 1 19:32:05 PDT 2005


On 8/1/05, Michel Dänzer <michel at daenzer.net> wrote:
> On Sat, 2005-07-30 at 14:40 +1000, Dave Airlie wrote:
> > >
> > > > Some issues I don't mention that need thinking about are going to be
> > > > how mode setting interacts with virtual screens, and
> > > > merged-framebuffer type things... (i.e. you want to set two different
> > > > modes on the CRTCs but only have a single framebuffer, the mode
> > > > setting APIs I've looked at don't seem to cover this too well... but
> > > > maybe they don't need to.
> > >
> > > I think the EGL_MESA_screen_surface extension we've been drafting on the
> > > dri-egl list is a pretty good approach (and if anyone disagrees, it's
> > > still open for discussion :). It might make sense to design the mode
> > > setting library API concurrently with that to make sure they're a good
> > > match.
> >
> > Yes I'm just reading over it now and I think it probably is a good a
> > place to start as any other, if we make it compatible with
> > EGL_MESA_screen_surface then life would be certainly easier...
> >
> > The only thing I think we need on top of that (I didn't see it in any
> > case) is a set of callbacks of some type from the modesetting library
> > to the users for things like dynamic reconfiguration of screens...
> 
> AIUI the current idea is that things like this would be indicated by
> signalling that the context was lost. Not exactly a callback, but still.

EGL should signal context lost, but we can also generate a DBUS event.

-- 
Jon Smirl
jonsmirl at gmail.com



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