[Open-graphics] VGA BIOS

[Timothy Normand Miller]

On 9/8/07, Paul Brook <paul at codesourcery.com> wrote:
> > > In practice it may be easier to do everything with a fire and forget DMA
> >
> > What do you mean "a fire"?
>
> "fire and forget".
> i.e. you put your commands in a DMA buffer somewere, and have the card process
> them asynchronously. You use properties of the command processor (explicit
> fences or implicitly processing in submission order) to queue up dependent
> commands. The main CPU can then go do something else (e.g. starting to submit
> the next frame/object) without having to wait for previous commands to
> complete.

Heh.  I guess I wasn't fully awake.  Yes, this is exactly what we have in mind.

-- 
Timothy Normand Miller
http://www.cse.ohio-state.edu/~millerti
Open Graphics Project