[Interest] running directfb on desktop

[Mandeep Sandhu]

Some more info on the status of DirectFB with Qt5:
http://qt-project.org/wiki/DirectFBAndQt

-mandeep



On Tue, Aug 6, 2013 at 2:30 PM, Mandeep Sandhu
<mandeepsandhu.chd at gmail.com>wrote:

> During Qt 4 days, you could use qvfb (Q Virtual Frambuffer) for running
> applications built for Qt embedded. I'm not sure if it's still valid as Qt5
> required openGL support.
>
> Maybe it's possible via the DirectFB openGL extension - DirectFBGL.
>
> HTH,
> -mandeep
>
>
>
> On Tue, Aug 6, 2013 at 2:14 PM, Juha Vuolle <juvuolle at gmail.com> wrote:
>
>> Hi,
>>
>> was wondering if it is possible to run qt applications with directfb QPA
>> on deskop?
>>
>> I just tried it but I seem to get segfault at directfb qpa backingstore
>> constructor
>> IDirectFBWindow *dfbWindow = static_cast<QDirectFbWindow
>> *>(window->handle())->dfbWindow();
>> where window->handle() is null.
>>
>> Other than that there are not much errors in the startup logs (some
>> joystick related warnings). I see a window flashing quickly.
>> I was wondering if I'm missing some obvious stuff I need to setup for
>> this to work?
>>
>> (My setup: lubuntu 13.04, self-compiled about 3 weeks old Qt 5)
>>
>> any hints appreciated,
>>  Juha
>>
>> if its any use:
>>
>> > ./analogclock -platform directfb
>>    ~~~~~~~~~~~~~~~~~~~~~~~~~~| DirectFB 1.2.10 |~~~~~~~~~~~~~~~~~~~~~~~~~~
>>         (c) 2001-2008  The world wide DirectFB Open Source Community
>>         (c) 2000-2004  Convergence (integrated media) GmbH
>>       ----------------------------------------------------------------
>>
>> (*) DirectFB/Core: Single Application Core. (2012-05-21 06:43)
>> (*) Direct/Thread: Started 'VT Switcher' (-1) [CRITICAL OTHER/OTHER 0/0]
>> <8388608>...
>> (*) Direct/Thread: Started 'Linux Input' (-1) [INPUT OTHER/OTHER 0/0]
>> <8388608>...
>> (*) DirectFB/Input: Power Button (1) 0.1 (directfb.org)
>> (*) Direct/Thread: Started 'Linux Input' (-1) [INPUT OTHER/OTHER 0/0]
>> <8388608>...
>> (*) DirectFB/Input: Sleep Button (2) 0.1 (directfb.org)
>> (*) Direct/Thread: Started 'Linux Input' (-1) [INPUT OTHER/OTHER 0/0]
>> <8388608>...
>> (*) DirectFB/Input: AT Translated Set 2 keyboard (3) 0.1 (directfb.org)
>> (*) Direct/Thread: Started 'Linux Input' (-1) [INPUT OTHER/OTHER 0/0]
>> <8388608>...
>> (*) DirectFB/Input: VirtualBox USB Tablet (4) 0.1 (directfb.org)
>> (*) Direct/Thread: Started 'Linux Input' (-1) [INPUT OTHER/OTHER 0/0]
>> <8388608>...
>> (*) DirectFB/Input: VirtualBox mouse integration (5) 0.1 (directfb.org)
>> (*) Direct/Thread: Started 'Linux Input' (-1) [INPUT OTHER/OTHER 0/0]
>> <8388608>...
>> (*) DirectFB/Input: ImExPS/2 Generic Explorer Mouse (6) 0.1 (directfb.org
>> )
>> (*) Direct/Thread: Started 'Keyboard Input' (-1) [INPUT OTHER/OTHER 0/0]
>> <8388608>...
>> (*) DirectFB/Input: Keyboard 0.9 (directfb.org)
>> (*) Direct/Thread: Started 'Joystick Input' (-1) [INPUT OTHER/OTHER 0/0]
>> <8388608>...
>>  (!!!)  *** ONCE [Joystick sends JS_EVENT_INIT events, make sure it has
>> been calibrated using 'jscal -c'
>> ] *** [../../../inputdrivers/joystick/joystick.c:99 in
>> joystick_handle_event()]
>> (*) DirectFB/Input: Joystick (1) 0.9 (directfb.org)
>>  (!!!)  *** WARNING [out of memory] *** [../../../src/core/input.c:1133
>> in init_axes()]
>> (*) Direct/Thread: Started 'Joystick Input' (-1) [INPUT OTHER/OTHER 0/0]
>> <8388608>...
>> (*) DirectFB/Input: Joystick (2) 0.9 (directfb.org)
>>  (!!!)  *** WARNING [out of memory] *** [../../../src/core/input.c:1133
>> in init_axes()]
>> (*) Direct/Thread: Started 'PS/2 Input' (-1) [INPUT OTHER/OTHER 0/0]
>> <8388608>...
>> (*) DirectFB/Input: IMPS/2 Mouse (1) 1.0 (directfb.org)
>> (*) Direct/Thread: Started 'PS/2 Input' (-1) [INPUT OTHER/OTHER 0/0]
>> <8388608>...
>> (*) DirectFB/Input: IMPS/2 Mouse (2) 1.0 (directfb.org)
>> (*) DirectFB/Genefx: MMX detected and enabled
>> (*) DirectFB/Graphics: MMX Software Rasterizer 0.6 (directfb.org)
>> (*) DirectFB/Core/WM: Default 0.3 (directfb.org)
>> (*) FBDev/Surface: Allocated 640x480 32 bit LUT8 buffer (index 0) at
>> offset 0 and pitch 2560.
>> (!) [11851:    0.000] --> Caught signal 11 (at 0x10, invalid address) <--
>>
>>
>>
>>
>> _______________________________________________
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>> http://lists.qt-project.org/mailman/listinfo/interest
>>
>>
>
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