On sexta-feira, 22 de março de 2013 11.39.16, K. Frank wrote: > On Fri, Mar 22, 2013 at 10:34 AM, Uwe Rathmann <uwe.rathm...@tigertal.de> wrote: > > On 03/21/2013 11:49 PM, K. Frank wrote: > >> I am considering upgrading to Qt 5 (from Qt 4), but I also use qwt, and I > >> am wondering whether I should expect any significant issues doing so.> > > On X11 you will see performance regressions as the X11 paint engine ( > > > > hardware accelerated rendering ) is gone. When working with remote > > desktops Qt5 is almost a no-go. > > I'm not using X11 at the moment, so it doesn't matter much to me, > but this sounds like a significant issue.
Note that you will *not* see that regression if you're coming from Qt 4.8. The raster engine is the default in 4.8 already. The native engine was default in 4.7 and before. > > On QWS you might also run into regressions, but on all other platforms > > Qt5/Widgets is more or less the same - meaning that you won't have many > > problems ( and not much to win ). There is no QWS in Qt 5. It's replaced with QPA. -- Thiago Macieira - thiago.macieira (AT) intel.com Software Architect - Intel Open Source Technology Center
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