[Mesa-dev] [PATCH 0/2] First attempt at asynchronous SwapBuffers

[Marek Olšák]

On Thu, Nov 15, 2012 at 6:47 PM, Mathias Fröhlich
<Mathias.Froehlich at gmx.net> wrote:
>
> Marek,
>
> Regarding swap handling, there was a lengthy discussion about this topic at
> XDC in Nürnberg.
> May be Keith can comment on that as he also presented these ideas.
> But short, the overall aim of this discusstion was to make the dri2 buffer swap
> more asynchronous.
> This does not exactly solve the problem with the tripple flush, but as far as I
> can see this interferes with your attempts to move the buffer swap round trip
> into an own thread. Or at least provides a similar fire and forget semantics
> for the buffer swap that you aim for with a different buffer swap thread.

Yes, that's what I am looking for, though I'd like to have a solution
that works with current DRI2 as well.

The triple flush is unrelated to DRI2, it's actually an internal issue
with libGL and can be fixed easily.

Marek