Well, Thunderbird ate my reply when I cancelled sending when I noticed that I was once again replying the author and not the list...
On 12/13/2010 04:59 PM, ext Alexey Zaryanov wrote: > Hi. I was really surprised when I saw the performance of QML > applications on the device (n900) ( deckarative demos : twitter, rss > etc. ). Its only about 12-15 fps. Its not smooth ! Look at any iphone apps! > But video on youtube shows me very fast UI. What wrong ? Short answers: * Make sure you're using OpenGL when you do any blending, scaling or rotating. (-opengl to qmlviewer or QGLWidget as viewport of QDeclarativeView) * Run fullscreen rather than maximized to avoid compositing overhead. (-fullscreen to qmlviewer or use showFullscreen() rather than show()) Regards, Bjørn -- Thorbjørn Lindeijer Software Engineer Nokia, Qt Development Frameworks _______________________________________________ Qt-qml mailing list Qt-qml@trolltech.com http://lists.trolltech.com/mailman/listinfo/qt-qml