[meta-freescale] qt5 xcb gles2

[Ahmed Ammar]

That sounds great.

Any chance you can give a complete write up on how to reproduce this?

Regards,
Ahmed.

On Sep 11, 2013, at 5:29 AM, Juha Vuolle <juvuolle at gmail.com> wrote:

> After a small hiatus I returned to this and got the qt5 + gles2 + xcb
> combination working.
> Just to let people know that it is possible. I can now run QtQuick2
> apps QGLWidgets etc. hellogl_es2 seems to go closer to 300 FPS.
> As an additional cherry on top the x11vnc works with them too.
> 
> I took the latest master-nexts of everything, compiled Qt myself and
> put a small bruteforce hack into Qt relating to the "incompatable
> color depths".
> Note: you may have to force the hard floats on in the Qt compilation,
> I added "DISTRO_OPTS += hard-float" to the "linux-imx6-g++/qmake.conf
> ". If you don't do this the likely first symptom is that all Qt's
> configure tests fail.
> 
> Juha
> 
> 
> 2013/8/27 Juha Vuolle <juvuolle at gmail.com>:
>>>> some polish
>>>> If you can try it and provide feedback that would help to get xcb into
>>>> master.
>>> 
>>> Thanks appreciated.
>> 
>> Can't yet comment on the real XCB patch as it's still baking, have to
>> get back to that later.
>> 
>> In the meanwhile I thought I'd mention I managed to manually compile
>> qt5 with xcb support against the master.
>> There were some hurdles on the way but I got at least the Qt widget
>> applications running on the X (run in the default matchbox window
>> manager of my image).
>> 
>> The QtQuick2 and consequently EGL/gles2 didn't at least yet work so great:
>> 
>> root at nitrogen6x:~/helloworld# DISPLAY=:0 ./helloworld
>> Qt Warning: Could not find a location of the system's Compose files.
>> Consider setting the QTCOMPOSE environment variable.
>> Warning: EGL suggested using X Visual ID 33 (RGB565) for EGL config 28
>> (RGB444), but this is incompatable
>> Unable to find an X11 visual which matches EGL config 28
>> Could not initialize EGL
>> Aborted
>> 
>> cheers,
>> Juha
>> 
>>>> Thanks,
>>>> Eric
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