On Tuesday 06 November 2012 18:47:43 Thomas Senyk wrote: > On Tue, October 30, 2012 11:14:46 AM Labs, Torsten wrote: > > Hello, > > > > we created some prototype with Qt Quick 2 on a ARM board. Its running > > verry > > well except antialiasing. As i can see in the Qt5 Documentation there is a > > new flag for antialiasing * > > antialiasing<http://qt-project.org/doc/qt-5.0/qml-qtquick2-item.html#antia > > l > > iasing-prop> : bool > > > > but this makes no difference. Is there still a bug? > > > > Thx > > > > Torsten > > In general it's the duty of the platform plugin (I assume eglfs or > minimalegl?) to provide a native-surface which has multisampling. > > > The application-level API to request a multisample surface is: > http://doc-snapshot.qt-project.org/5.0/qsurfaceformat.html#setSamples > > Then set the changed surfaceformat with: > http://doc-snapshot.qt-project.org/5.0/qwindow.html#setFormat > > > If it's still not working, you need to check what's going in the platform- > plugin > - Is their a native egl/opengl-surface which has multisampling aviable? > - Is the platform-plugin using it? why not?
I think the default was changed to request a surface without multisampling and instead Rectangle, Image etc were changed to implement their own anti-aliasing by means of a trick in the vertex shader. You should still be able to explicitly request multisampling by setting the surface format explicitly though. Sean -- Dr Sean Harmer | [email protected] | Senior Software Engineer Klarälvdalens Datakonsult AB, a KDAB Group company Tel. Sweden (HQ) +46-563-540090, USA +1-866-777-KDAB(5322) KDAB - Qt Experts - Platform-independent software solutions _______________________________________________ Development mailing list [email protected] http://lists.qt-project.org/mailman/listinfo/development
