Qt4 versus Qt5 arm porting:worse performance!
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I port a project from qt4 to qt5.1 (arm with framebuffer)
I would like use vertical and horizontal scrolling (kinetic scrolling with QScroller::grabGesture) .
The result is that when I open a window and then close it, in my application, the underside of the screen is not repaint and some pieces of the close window not disappear.
Has anyone had experience of porting (arm of course) qt4-> QT5?Maybe I have to use wayland or opengl?
Thank...you