[Intel-gfx] [ANNOUNCE] xf86-video-intel 2.6.99.903

[Barry Scott]

Carl Worth wrote:
> On Thu, 2009-04-16 at 12:34 +0100, Jonathan Miles wrote:
>   
>> Okay, understood... that is strange. I am using Compiz (0.8.2 + whatever 
>> Ubuntu patches it with).
>>
>> I'm going to pull the latest git trees later and start looking into this 
>> in more detail.
>>     
>
> Thanks for your willingness to help, Jon.
>
> I don't know exactly how compiz interacts with xv, but you certainly
> might start by trying without compiz running to see if the tearing
> behavior changes, (my xv tests were without compiz).
>   
The code you have to prevent tearing will only work without compositing.

What is needed is a change to the compositing app to avoid the tearing.
Which I think you might have exposed the hooks to with the sync to scan line
stuff, so long as that is independent of XV.

Barry