[Qemu-devel] Re: Spice and legacy VGA drivers

[Izik Eidus]

On Sat, 12 Dec 2009 11:19:19 -0600
Anthony Liguori <address@hidden> wrote:

> Izik Eidus wrote:
> > On Sat, 12 Dec 2009 09:25:00 -0600
> > Anthony Liguori <address@hidden> wrote:
> >
> >   
> >> How does this work?
> >>
> >> Does Spice only work with QXL or can it also work with Cirrus and 
> >> std-vga?  Does it degrade into basically a framebuffer based
> >> protocol? How does it encode the bitmap data in this mode?
> >>     
> >
> > It work with std-vga
> > It send bitmaps using the dirty bit from kvm/qemu
> >   
> 
> How does it compress the bitmaps?

What you mean? how can it compress it? or what method?

When there is no driver installed, we use compression that based on
LZ...
How does it compress it?, it just send it to the spice server as
"Draw bitmap" command and the spice server send it to the client.

> 
> Regards,
> 
> Anthony Liguori