[Webkit-unassigned] [Bug 83691] [Qt][WK2] Falling leaves demo missing opacity fade out animation

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=83691





--- Comment #2 from Lars Knudsen <lars.knudsen at nokia.com>  2012-04-19 06:19:29 PST ---
Created an attachment (id=137889)
 --> (https://bugs.webkit.org/attachment.cgi?id=137889&action=review)
Very compact version of falling leaves exposing the problem

It seems that when rendering in layers having opacity, forcing the intermediate surface rendering to take place (in TextureMapperLayer::paintRecursive) - something goes wrong with either the transformation matrix, clipping, gl surface rendering or the like (I am still learning - so it might be obvious to others).  The included example shows how only a *part* of the fading rectangle (id = "nodeContainer" in the example) is visible when opacity < 1.  Digging further.

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