On quinta-feira, 7 de julho de 2016 01:03:23 PDT André Pönitz wrote: > On Wed, Jul 06, 2016 at 02:16:46PM -0700, Thiago Macieira wrote: > > On quarta-feira, 6 de julho de 2016 20:23:44 PDT André Pönitz wrote: > > > > Stop using QtWidgets, including QtWebView and QLabel, and transition > > > > to Qt Quick instead. Qt Quick uses the GPU, QtWidgets do not. > > > > > > So to use a certain backend technology you seriously advice to > > > switch fronend languages, too? > > > > That's the only option provided. You can choose one of: > > > > a) port > > b) keep it as it is > > I guess it depends a bit on how "Qt widgets to take advantage of a GPU" > is to be interpreted. I don't think that special GPU support for painting > some QPushButton was asked for. Playing a video inside a QWidget based > application might be closer. > > When I look at my second monitor right now I see kaffeine (something > capable of playing videos with a Qt Widgets GUI) running, and if I am to > believe intel_gpu_top output it does utilize the GPU. > > Some _something_ with Media, Widgets and GPU (keywords from the original > mail) works in practice.
The way I see it, any video player that doesn't default to HW acceleration is not worth its salt. I'd expect that if you want to force it to CPU-only, you'd have to do something. Maybe disabling the CPU fallback would also be opt-in. -- Thiago Macieira - thiago.macieira (AT) intel.com Software Architect - Intel Open Source Technology Center _______________________________________________ Interest mailing list Interest@qt-project.org http://lists.qt-project.org/mailman/listinfo/interest