[Webkit-unassigned] [Bug 34578] [Qt] Rendering semitransparent layers is slow with Qt

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=34578


Benjamin Poulain <benjamin.poulain at nokia.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |WONTFIX




--- Comment #1 from Benjamin Poulain <benjamin.poulain at nokia.com>  2010-02-04 08:04:47 PST ---
I have compared the blending of the raster engine against the one of Core
Graphics and Qt is competitive.

The only fast solution I have found is to use OpenGL. In that case the
rendering of semitransparent layers is not a problem. This is out of scope for
WebKit and should be handled by the paint engine of Qt (or with a full opengl
ES painting stack in WebKit).

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