[OpenJDK 2D-Dev] Pisces AA renderer performance improvement.

Jim Graham james.graham at oracle.com
Wed Jul 20 21:18:18 UTC 2011


That's awesome!  I'll look into reviewing the changes soon...

			...jim

On 7/20/2011 11:05 AM, Denis Lila wrote:
>> If we let Ductus' design constraints (which were penned over a
>> decade ago) hold Pisces back then we may never get to
>> the point where Pisces can become our default renderer... :-(
>
> Actually, according to some J2DBench tests I ran on bezier curves,
> the version of Pisces in the webrev I sent out is already faster
> than Ductus on many inputs (mainly fill operations, and stroke
> operations performed on large curves. AA stroking smaller curves is
> still slower, but maybe that's because we're producing unnecessarily
> many edges in the curve->edge conversion. Or perhaps we need to
> integrate the stroker and renderer more closely).
>
> Regards,
> Denis.



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