[Webkit-unassigned] [Bug 70623] Ensure CCLayerTreeHost actually frees textures when hidden

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=70623





--- Comment #12 from Vangelis Kokkevis <vangelis at chromium.org>  2011-10-26 11:27:48 PST ---
(In reply to comment #11)
> (In reply to comment #10)
> > I really think the solution here is to preserve the tab's contents (as final composited output) when switching away, and that it should be implemented at the application level, not down here in the compositor.
> 
> There could be an short-term solution that copies the contents of the backbuffer to another texture right before the tab is hidden. We can then safely discard all other textures.  When the tab is first displayed, we can show that texture and immediately start working on an update.

What should we do with this patch?  We need something like this if we want to reduce our memory footprint for background tabs.

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