slides from my talk at DDC

Michel Dänzer michel at
Mon Aug 1 19:26:25 PDT 2005

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.

Earthling Michel Dänzer      |     Debian (powerpc), X and DRI developer
Libre software enthusiast    |

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