Fwd: Re: [PATCH 0/2] Add New XWayland API

Chris Wilson chris at chris-wilson.co.uk
Sat Oct 19 11:15:18 CEST 2013

On Sat, Oct 19, 2013 at 10:49:04AM +0200, Axel Davy wrote:
> I've tried benchmarking AsyncSwap with the phoronix-test-suite,
> and I was surprised to see a regression with Openarena and Xonotic.
> According to dri devs, it is because, since I do an exchange, the
> application
> is fullscreen and then Weston uses the buffer as scanout buffer, when
> the buffer is
> released and we render again in the buffer, L3 caching is disabled.

It is simple to demonstrate that hypothesis incorrect by marking all
colour buffers as uncached.

Chris Wilson, Intel Open Source Technology Centre

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