[Webkit-unassigned] [Bug 67499] [chromium] Support CCHeadsUpDisplay in threaded compositing mode

Tue Apr 10 19:54:35 PDT 2012

https://bugs.webkit.org/show_bug.cgi?id=67499

--- Comment #6 from Shawn Singh <shawnsingh at chromium.org>  2012-04-10 19:54:35 PST ---
Patch coming in a moment

(1) Threading + heads-up display should work out-of-the-box with this patch

(2) Font atlas only allocated if --show-fps-counter or --show-composited-layer-tree are on.  (in a later patch, we probably should create a helper function "shouldEnableHud(...)")

(3) Approximate memory overhead of the font atlas:  less than 70k.   (128x128 atlas, and 128-entry lookup table of IntRects) 

(4) Unfortunately does perform slightly slower than previously, but this is just debugging code anyway, I don't think its a big deal.

(5) Please let me know if you see any blocking calls anywhere that I am un-aware of.

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