[Arm-netbook] x11 for a10 cpu

[Nicolas Aguirre]

2012/7/3 cnxsoft <cnxsoft at cnx-software.com>:
> Did you try :
> LD_PRELOAD=/usr/lib/mali.so glmark2-es2
>
> (mali.so or everything containing your GL ES binary)
>
> I did no try on the mele yet, but with the Cubox i do :
> LD_PRELOAD=/usr/lib/libGLESv2.so:/usr/lib/libXrender.so.1:/usr/lib/libEGL.so
> DISPLAY=:0 /opt/e17/bin/expedite -e gl -a -p 720p
>
> The probleme is that without LD_PRELOAD, libs are the one provides by
> Mesa, so you get a Direct Rendering : Yes, but it's a sofware
> fallback, and it's slow.
> You can check which .so are loaded at runtime by using ldd, to check.
>
> I just got mesa out of the way by renaming
> /usr/lib/arm-linux-gnueabihf/mesa-egl to something else.
> So now it's using the armhf libs provided by Tom/AllWinner (checked with
> ldd), but it fails to open the UMP driver:
>
> ./es2_info
> UMP: ump_arch_open() failed to open UMP device driver
> *********************************************************************
> ERROR: In file: src/base/common/mem/base_common_mem.c  function:
> initialize_memory_system()   line:1521
> Could not open UMP memory system. Shutdown.
>
> If you use strace against your test program you should be able to see
> if it is attempting to open a particular device that is not present on
> your system.
>
> I can't believe I never used strace before... It turned out to be a
> permission issue on /dev/ump and /dev/mali.
> I got a little further and now it fails when calling eglInitialize() in
> src/egl/egl_platform_x11.c    __egl_platform_init_display:272. I'm not sure
> strace (http://pastebin.com/ThCGzd84) can help here, although we get a lot
> of "Resource temporarily unavailable" when using (UNIX) sockets.
> As mentioned a few posts above, all needed modules (mali, mali_drm, ump...)
> are already loaded.
>
>
>
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Last time i tried i got this error during eGL initialisation :

egl error 'EGL_BAD_ALLOC' (0x3003)

I thought it was a problem with ump, as i guess it's the driver in
charge of graphic memory management, but I'm still blocked at this
error.

FYI, i built all the code released here http://www.malideveloper.com/
with some small changes to fix the build.

Regards,
-- 
Nicolas Aguirre
Mail: aguirre.nicolas at gmail.com
Web: http://enna.geexbox.org
Blog: http://dev.enlightenment.fr/~captainigloo/