On Tuesday 22 March 2005 03:57, Nicolai Haehnle wrote:
> On Tuesday 22 March 2005 04:32, Daniel Phillips wrote:
> > Now consider:
> >
> >   * DRM allocates two DMA buffers, A and B
> >   * application draws via DRM into A until full
> >   * DRM submits A
> >      * draw into B via DRM until full
> >      * DRM submits B and waits for socket data
> >      * DRM wakes up and receives completion for A
> >      * draw into A via DRM until full
> >      * DRM submits A and waits for socket data
> >      * DRM wakes up and receives completion for B
> >      * repeat
> >
> > With this interface style, the drawing pipeline is never idle. 
> > This goodness is realized even though the drawing task is
> > inherently linear - we haven't even done anything fancy with poll
> > yet.
>
> And we can do all this with ioctls.

Would you illustrate how, please.

Regards,

Daniel
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