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To: qemu-devel@nongnu.org

On 30/01/2008, Johannes Schindelin <Johannes.Schindelin@gmx.de> wrote:
> Hi,
>
> On Wed, 30 Jan 2008, Mike Kronenberg wrote:
>
> > Offtoppic about updated regions in Windows: While testing with
> > Quartzdebug, I realized, that qemu is updating always the whole
> > screenwidth even if only the mouse is moved... is this a qemu problem,
> > or is this the default windows behaviour?
>
> As far as I remember, this is a QEmu "problem".  It only marks lines as
> dirty, not pixels.

In addition lines are not marked dirty because they have a dirty pixel
in them but because they have a pixel in a dirty page. That means more
lines are updated than those containing dirty pixels.

Cheers