Daniel P. Berrange wrote:
> On Sat, Sep 06, 2008 at 10:07:10PM -0500, Anthony Liguori wrote:
>   
>> Daniel P. Berrange wrote:
>>     
>>> On Wed, Sep 03, 2008 at 10:00:31PM -0500, Anthony Liguori wrote:
>>>  
>>> Actually I'm not so sure this was a good idea in the end. I'm seriously
>>> considering re-writing the GTK-VNC stuff to use Cairo, which in turn
>>> can use 2-d hardware acceleration primitives - it really doesn't need
>>> the full 3-d acceleration stack just for scaling. 
>>>  
>>>       
>> I tried to originally write the GTK-VNC scaling stuff in Cairo.  Could 
>> not get it to perform well at all.  I'd be really interested if you had 
>> better luck with it.
>>     
>
> I've just posted patches to the GTK-VNC devel list demonstrating use of
> Cairo for all rendering. I can't notice any serious drop in performance
> when enabling scaling with Cairo. If you confirm my tests, it'd be worth
> evaluating Cairo as an alternative to OpenGL in QEMU too.
>   

Here's the beginning of a GTK front-end in case someone wants to try 
adapting the Cairo patches to QEMU.

Regards,

Anthony Liguori

> Regards,
> Daniel
>