Enhancements for Render composite request

[Barry Scott]

Keith Packard wrote:
> On Fri, 2009-09-04 at 14:23 +0100, Barry Scott wrote:
>
>   
>> Then you need to ensure that when the compositor does its
>> tear free write other OpenGL and X11 apps do not stale until
>> the tear free write completes.
>>     
>
> The trouble is that the 'easy' way to do tear-free rendering is to stick
> a 'stall' into the command queue just before the blt, which leaves the
> entire rendering engine idle. We have theories about how we can avoid
> this, but nothing has come of them.
>
> -keith
>   
Does the intel GPU allow for parallel processing? Is that what the graphics
contexts?

Barry