New acceleration architecture

[Adam Jackson]

On Wednesday 29 June 2005 19:07, Thomas Winischhofer wrote:
> Adam Jackson wrote:
> > Technically you don't need to care about doing it per-screen.  The
> > server's single threaded, you're not going to get your state corrupted
> > between the prepare and body calls.
> >
> > Not that that's pretty, or amenable to server rearchitecting.  I'd prefer
> > that the body calls have a pScreen too.
>
> Basically, my concern wasn't saving the accel engine bits somewhere, but
> getting a pointer to my command ringbuffer and the MMIO area. Can't do
> without my pSiS (where the offset to the current command queue position
> is stored)...

Hrm.  Yeah, that is major.  Anyone have an objection to adding ScreenPtrs to 
the ExaAccelInfo functions?

- ajax
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