[cairo] New OpenGL backend merged

[Robert O'Callahan]

On Thu, Jul 23, 2009 at 10:06 PM, Chris Wilson <chris at chris-wilson.co.uk>wrote:

> However, the application may like to choose its own tradeoff between
> speed/quality [though I'd recommend that this should only be made at the
> desktop/system level - you don't want text from two applications looking
> different], we do have a parameter which allows the user to choose the
> level of antialiasing to apply. At the moment, Cairo only dictates the
> results for the default antialias and none -- we can use the other modes
> for implementation specific tradeoffs between speed and quality.
>

Honestly, for Firefox I think we're far more interested in performance than
really-high-quality antialiasing, so we really want to be able to choose
that tradeoff. Keeping animation smooth is more important than AA.

I would even like to be able to vary the quality level dynamically, so that
for simple or static pages we can use maximum quality, but if an animation
starts on a complex page then we can dynamically lower the quality to
maintain the frame rate.

Rob
-- 
"He was pierced for our transgressions, he was crushed for our iniquities;
the punishment that brought us peace was upon him, and by his wounds we are
healed. We all, like sheep, have gone astray, each of us has turned to his
own way; and the LORD has laid on him the iniquity of us all." [Isaiah
53:5-6]
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