On Thursday 17 March 2005 18:44, Rene Herman wrote:
> Daniel Phillips wrote:
> > You could reuse the cursor definition PIO register to load a
> > predefined set of ring buffer pages.  That is already most of the
> > interface.  The only real cost is the page vector, which you could
> > store in video memory, distributed ram or block ram, the latter
> > being dead simple.
>
> Apologies for what might well be an ill informed reply but how does
> the regular AGPGART fit in here? It already is a well established
> method of mapping physically discontiguous pages into a, from an AGP
> card's perspective, contiguous set of pages.

How it fits in is: I overlooked that completely.  Let's see how/if it 
fits in.

> Now ofcourse, that's just AGP, but still. I assume PCIe has something
> similar?

PCI doesn't.  Good point, if it's just AGP it's not much use.

Regards,

Daniel
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