Hi, On Friday 07 October 2011 15:48:22 Thiago Macieira wrote: > That's where you got it wrong. The QWidget implementation does not sit on > top of the QML-based Scene Graph. It still uses the old backing store, to > the point that there is a class called QBackingStore. The QWidget > architecture is mostly unchanged.
Aha, interesting, and good to know. http://labs.qt.nokia.com/2011/05/09/thoughts-about-qt-5/ said the difference: "QWidgets will be layered on top of the scene graph", that is probably where the confusion came from. Olivier said QWindow might require OpenGL though. Is QWindow a core Lighthouse class or something plugin-specific? I hope plugin-specific, there are still embedded platforms without OpenGL (and without a GPU, even), and I imagine the llvm pipe trick will not be as fast as the raster painting that is done right now. OT: The scene graph for QML sounds quite interesting, are there any blogs that compare performance between QML 1 and 2 already? I am especially interested what happens if the target platform doesn't have a GPU. Regards, Thomas
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