[Glamor] [PATCH 05/15] glamor_fbo: Introduce glamor fbo to manage all the fb/tex.

[zhigang gong]

On Fri, Jan 20, 2012 at 10:08 PM, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> On Fri, 20 Jan 2012 16:52:03 +0800, zhigang.gong at linux.intel.com wrote:
>> From: Zhigang Gong <zhigang.gong at linux.intel.com>
>>
>> This is the first patch to implement a fbo/tex pool mechanism which
>> is like the sna's BO cache list. We firstly need to decopule the
>> fbo/tex from each pixmap. The new glamor_pixmap_fbo data
>> structure is for that purpose. It's somehow independent to each
>> pixmap and can be reused latter by other pixmaps once it's detached
>> from the current pixmap.
>
> I'd had to greatly curtail the maximum cache time in order to prevent
I found a bug at the previous patchset which will always find exact size.
and Already fix it and push to my private branch:
git://people.freedesktop.org/~gongzg/glamor

Would you please have one try on your machine?

> my snb machine from going into swap whilst running cairo-traces.
> Initial results there do not look that promising, I haven't had time to
> do a complete run, but firefox-paintball regressed by 50% on an
> i5-2520m with CACHE_EXPIRE_MAX 50 (which kept the cache size under 2G
> where w/o the fbo cache it only uses at most 0.5G).
> -Chris
>
> --
> Chris Wilson, Intel Open Source Technology Centre