Does the intel-driver not accalerate bitmask blits?
Eric Anholt
eric at anholt.net
Wed Jun 13 08:44:54 PDT 2007
On Wed, 2007-06-13 at 09:07 +0200, Clemens Eisserer wrote:
> Hello Eric,
>
> > Correct. If you're attempting to composite through a mask, use an a8
> > mask.
> Wow that is really poor - it does not even accalerate such basic
> operations. Sadly I can't control which type is used for masking :-/
> Is this a hw limitation?
Yes. To my knowledge, no hardware I've worked on in the last several
years, whether it's ATI or Intel or others, supports compositing through
an A1 mask larger than some trivial minimum.
--
Eric Anholt anholt at FreeBSD.org
eric at anholt.net eric.anholt at intel.com
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