[PATCH 7/9] glamor: Extract the streamed vertex data code used by Render.

Keith Packard keithp at keithp.com
Mon Mar 10 11:14:40 PDT 2014


Markus Wick <markus at selfnet.de> writes:

> This is a bit too small imo. iirc glamor was used to split up renderings 
> to 64k vertices, not 64k bytes.
> What is the cache implact on too big buffers? i965 must fall through to 
> LLC, so will it pollute the L1+L2 caches?
> For non-coherent gpus, write combining also shouldn't pollute any 
> caches.

Yeah, for a first approximation, this is fine, but we'll obviously want
to tune it based on credible performance analysis. Until that, there's
no point adjusting it.

-- 
keith.packard at intel.com
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