[Webkit-unassigned] [Bug 93606] [Qt] UpdateAtlas is wasting memory

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=93606





--- Comment #4 from Balazs Kelemen <kbalazs at webkit.org>  2012-08-09 05:51:03 PST ---
Created an attachment (id=157457)
 --> (https://bugs.webkit.org/attachment.cgi?id=157457&action=review)
fix candidate 2

This one divides the surface to equal size sub-buffers, so we can effectively use the whole surface. Atlases are created with a size class, so there can be an atlas for 512x512 requests, one for 256x256, and so on. I did not add the debug code here because it is evident that if there is a cache fail than the whole atlas is used.

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