Closed Optiligence closed 10 years ago
it seams that this is also affecting versions prior to 5.3
A few threads that might be worth looking at from time to time:
https://bugreports.qt-project.org/browse/QTBUG-29073
http://stackoverflow.com/questions/22636284/qt-how-to-properly-handle-vsync-and-multiple-qglwidgets
as of Qt 5.3, vsync is enabled when not explicitly forced off by the driver meaning QGLWidget::update is blocking meaning Knossos updates at max ≤ 15 fps (16.6 ms · 4 QGLWidgets + cpu time) this applies to the complete GUI not just the viewports, which means its really sluggish