[Libva] [PATCH] va/x11: Require synchronisation to vblank with DRI2SwapBuffers

Sean V Kelley sean.v.kelley at intel.com
Wed Nov 16 18:08:49 UTC 2016


On Wed, Nov 16, 2016 at 1:35 AM, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> On Thu, Dec 24, 2015 at 03:48:07PM +0000, Chris Wilson wrote:
>> On Thu, Dec 24, 2015 at 03:42:37PM +0000, Chris Wilson wrote:
>> > By passing divisor=0, we imply we do not care about synchronisation of
>> > this request to the vertical refresh - the spec says that if we miss the
>> > target frame, the swap will be presented as quickly as possible and may
>> > forgo waiting until the next vblank. By using divisor=1, we request that
>> > the swap be presented upon the vertical refresh immediately following
>> > recipe, enforcing the synchronisation to vblank and avoiding tearing.
>>   ^receipt
>
> Ping.
> -Chris
>


This fell through, this is fine.

lgtm, applied.

Sean


> --
> Chris Wilson, Intel Open Source Technology Centre
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-- 
Sean V. Kelley <sean.v.kelley at intel.com>
Open Source Technology Center / SSG
Intel Corp.


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