Sorry, where is the advantage of use framebuffer instead use xmc world?

Il giorno lun 2 mar 2020 alle ore 21:22 Frank Tkalcevic <
fr...@franksworkshop.com.au> ha scritto:

> > My question:
> >
> > Will using the framebuffer (instead of X) make a better environment for
> > LinuxCNC?
>
> For low spec. computers, not having the overhead of X, is a bonus.  You'll
> also boot faster into linuxcnc.
>
> But, you won't be able to run other applications or utilities.  And you'll
> need to write everything from scratch - X's OpenGL is used for the 3d.
>
> > ( I am ankle deep in FB programming now and wondering if I should get in
> deeper or head for higher ground )
>
> I played around with Qt and its option to use the framebuffer as the output
> device (with the command line option '-platform linuxfb:fb=/dev/fb0').
> Theoretically, you can write 1 Qt program that would work with X or FB.
> That
> proof of concept worked, but I didn't have time to take it further.
>
> Recently I tried to apply the same option with one of the Qt linuxcnc UIs
> (pyqt?), but they used other parts of X so it would not run (from memory it
> was IPC libraries; D-bus?)
>
>
>
>
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