[Webkit-unassigned] [Bug 84987] [Qt] Accelerated 2D canvas

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu May 3 06:49:50 PDT 2012


https://bugs.webkit.org/show_bug.cgi?id=84987





--- Comment #9 from Noam Rosenthal <noam.rosenthal at nokia.com>  2012-05-03 06:49:47 PST ---
(In reply to comment #8)
> The idea looks cool, but is there any way to avoid yet another #if USE?
Sure, we can go either way with that.

> I'd also like to know what would be the benefits regarding canvas animations using constant timers and requestAnimationFrame. Buffering commands for 5 frames wouldn't be good.
> 
No, we buffer only the commands that go in a single frame.
First of all, for each frame we'll probably get to the point where the frame needs resolving, which would clear the buffer.
Second, usually in the beginning of the frame there is some kind of command that clears the canvas, which would also clear the queue.

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