[Webkit-unassigned] [Bug 122589] Graphics backend without hardware accelerated compositing, and compositing disabled by Setting, causes CSS3 Transform not correct

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=122589





--- Comment #4 from Chen Zhixiang <chenzx at cn.fujitsu.com>  2013-10-13 22:01:57 PST ---
It seems that, when acceleratedCompositing is disabled, then only the affine transform component in 3D transform is applied to element, the perspective part is disgarded.

This is definitely a bug.

But how could I fill/fix the gap between no-3d-accelerated-compositing and anyway supporting the perspective transform?

The Qt-4.8/xlib port of WebKit uses the texmap/TextureMapperImageBuffer, -- but the Qt-4.8/xlibgl port does NOT.

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