[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 #5 from Iain Merrick <husky at google.com>  2011-10-24 03:09:18 PST ---
(In reply to comment #2)
> (From update of attachment 111988 [details])
> View in context: https://bugs.webkit.org/attachment.cgi?id=111988&action=review
> 
> > Source/WebCore/platform/graphics/chromium/cc/CCLayerTreeHost.cpp:129
> > +        contentsTextureManager()->reduceMemoryToLimit(TextureManager::lowLimitBytes());
> 
> Out of curiosity, what is it that would cause more textures to be created after setVisible(false) is called.  Do we just need to make sure that no drawing action happens while we're not visible?

That's a good question. I just added some logging to TextureManager, and it wasn't releasing textures down to the 3MB limit as expected.

I'll investigate a bit further and add a test.

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