[Webkit-unassigned] [Bug 65202] Support moving GPU accelerated canvas to a new document (popup window)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=65202





--- Comment #18 from James Robinson <jamesr at chromium.org>  2011-07-27 11:37:23 PST ---
(In reply to comment #17)
> It looks like my initial set of patches is not the right approach; although I'm pretty confident that the expected png for fast/canvas/font-update.html is wrong, this patch breaks that test. The test implies that it's valid to draw to a context which doesn't have a parent, and that when the context is reattached to a parent those changes should be visible.

That is valid, and it's done quite a bit.  The context exists to whether the canvas is in the DOM or not and is persistent.

Here's another case that should work: you should be able to call ctx.drawImage(othercanvas, ...) when othercanvas is in the popup and ctx is for a canvas in the main page and vice versa.  I can whip up a test page real quick.

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