Re: video driver protocol

[Jeroen Janssen]

> The VM should not waste CPU-ressources on scanning this buffer for
> changes.
> 
> There should be an mechanism to tell the host-code which parts of the
> frame-buffer have to be redrawn.

I first want to do "worst case scenario" (when all pixels need to be
drawn)... depending on the guest OS display driver abilities, it might
also be possible to have a list with "dirty" areas that need to be
redrawn, but this stands/fails with the ability to detect wich areas are
"dirty".
-- 
        Best regards,
                
                Jeroen Janssen

+++
It was hard enough to kill a vampire. You could stake them down and turn
them into dust and ten years later someone drops a drop of blood in the
wrong place and *guess who's back*? They returned more times than raw
broccoli.
        -- (Terry Pratchett, Feet of Clay)
+++