From: <[email protected]> Reply-To: <[email protected]> Date: Wednesday, March 26, 2014 at 6:23 AM To: <[email protected]> Subject: [beagleboard] QT5 eglfs problem on embedded linux (TI am355x evm starter kit)
> Hello everybody, > I¹ve just cross-compiled QT 5.2.1 for ARM and I am using it on a TI AM335x EVM > (Starter Kit) board. > > I¹de like to use the eglfs platform, but unluckily it shows some artifacts on > the screenŠ > > I just made a simple program for showing the problem and captured some photos > of my screen. The program basically draws a set of vertical black and white > lines (alternated). > > If I run QT on platform linuxfb (that is I launch my program passing > ³-platform linuxfb² on command line) then the software works fineŠ Here is a > photo of my screen: > http://it.tinypic.com/r/2lks9ag/8 > > If instead I run QT on platform eglfs (that is I launch my program passing > ³-platform eglfs² on command line) then I have some artifacts near the center > of screen (it seems that some vertical lines are ³missing² or ³swapped²)Š Here > are two photos of my screen: > http://it.tinypic.com/r/2i6m4xc/8 > http://it.tinypic.com/r/2qur9r8/8 > > Any idea about that? A few months ago, I managed to get QT5.1.1 running on Robert Nelson¹s V3.12 kernel and it worked fine. I was able to run the 3D demo apps and the performance was very good (~30fps). I was using EGLFS platform Regards, John > Furthermor it seems that on the same board QT 5.2.1 is slower than QT 4.8.x > (using QWS)Š how is it possible? Is there some optimization that can be turned > on while compiling QT 5.x? > > Regards, > /Morix > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
