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Old 01-08-2009, 10:50 AM
"Oguz Yarimtepe"
 
Default directfb enabling

Hi,

I am trying to run some of the applications by using DirectFB. After
googling a bit i enabled the framebuffer property at my Ubuntu Hardy.
Here is the fbset and dfblayer outputs

# fbset -i

mode "1280x1024-77"
# D: 131.096 MHz, H: 80.328 kHz, V: 76.649 Hz
geometry 1280 1024 1280 1024 32
timings 7628 160 32 16 4 160 4
rgba 8/16,8/8,8/0,8/24
endmode

Frame buffer device information:
Name : VESA VGA
Address : 0xc0000000
Size : 8060928
Type : PACKED PIXELS
Visual : TRUECOLOR
XPanStep : 0
YPanStep : 0
YWrapStep : 0
LineLength : 5120
Accelerator : No

# dfblayer

=======================| DirectFB 1.0.1 |=======================
(c) 2001-2007 The DirectFB Organization (directfb.org)
(c) 2000-2004 Convergence (integrated media) GmbH
------------------------------------------------------------

(*) DirectFB/Core: Single Application Core. (2008-04-08 15:15)

(*) Direct/Thread: Running 'VT Switcher' (CRITICAL, 8193)...


(*) Direct/Thread: Running 'Linux Input' (INPUT, 8196)...
(*) DirectFB/Input: Macintosh mouse button emulatio (1) 0.1 (directfb.org)

(*) Direct/Thread: Running 'Linux Input' (INPUT, 8197)...
(*) DirectFB/Input: AT Translated Set 2 keyboard (2) 0.1 (directfb.org)

(*) Direct/Thread: Running 'Linux Input' (INPUT, 819...
(*) DirectFB/Input: PC Speaker (3) 0.1 (directfb.org)

(*) Direct/Thread: Running 'Linux Input' (INPUT, 8199)...
(*) DirectFB/Input: Power Button (FF) (4) 0.1 (directfb.org)

(*) Direct/Thread: Running 'Linux Input' (INPUT, 8200)...
(*) DirectFB/Input: Power Button (CM) (5) 0.1 (directfb.org)

(*) Direct/Thread: Running 'Linux Input' (INPUT, 8201)...
(*) DirectFB/Input: ImPS/2 Generic Wheel Mouse (6) 0.1 (directfb.org)
(*) Direct/Thread: Running 'Keyboard Input' (INPUT, 8202)...
(*) DirectFB/Input: Keyboard 0.9 (directfb.org)

(*) Direct/Thread: Running 'PS/2 Input' (INPUT, 8203)...

(*) DirectFB/Input: IMPS/2 Mouse 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)
(!) DirectFB/FBDev: Panning display failed (x=0 y=0 ywrap=0 vbl=0)!
--> Invalid argument

FBDev Primary Layer

Width 640
Height 480
Format RGB32
Buffermode BACKSYSTEM


I can set the frame layer by using dfblayer -m also. To test the
directfb issue, i change to another virtual konsole and stopped the
gdm so that no X will be running.

I ran links2 first.
# links2 -driver directfb

=======================| DirectFB 1.0.1 |=======================
(c) 2001-2007 The DirectFB Organization (directfb.org)
(c) 2000-2004 Convergence (integrated media) GmbH
------------------------------------------------------------

(*) DirectFB/Core: Single Application Core. (2008-04-08 15:15)
(*) Direct/Thread: Running 'VT Switcher' (CRITICAL, 6641)...
(*) Direct/Thread: Running 'Linux Input' (INPUT, 6644)...
(*) DirectFB/Input: Macintosh mouse button emulatio (1) 0.1 (directfb.org)
(*) Direct/Thread: Running 'Linux Input' (INPUT, 6645)...
(*) DirectFB/Input: AT Translated Set 2 keyboard (2) 0.1 (directfb.org)
(*) Direct/Thread: Running 'Linux Input' (INPUT, 6646)...
(*) DirectFB/Input: Power Button (FF) (3) 0.1 (directfb.org)
(*) Direct/Thread: Running 'Linux Input' (INPUT, 6647)...
(*) DirectFB/Input: Power Button (CM) (4) 0.1 (directfb.org)
(*) Direct/Thread: Running 'Linux Input' (INPUT, 664...
(*) DirectFB/Input: PC Speaker (5) 0.1 (directfb.org)
(*) Direct/Thread: Running 'Linux Input' (INPUT, 6649)...
(*) DirectFB/Input: ImPS/2 Generic Wheel Mouse (6) 0.1 (directfb.org)
(*) Direct/Thread: Running 'Keyboard Input' (INPUT, 6650)...
(*) DirectFB/Input: Keyboard 0.9 (directfb.org)
(*) Direct/Thread: Running 'PS/2 Input' (INPUT, 6651)...
(*) DirectFB/Input: IMPS/2 Mouse 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)
(!) DirectFB/FBDev: Panning display failed (x=0 y=0 ywrap=0 vbl=0)!
--> Invalid argument
Could not initialize graphics driver directfb:
Unsupported color depth.


But when i ran the links2 with -driver fb, it worked. I also tried to
run rage application which is supplied under EFL svn with the -dfb
parameter but it didn't worked either. Though again it worked with
-fb. Seems i have to do something more to use directfb. Maybe i am
basically doing something wrong. I am not sure thats why i am asking.
What is the fb and directfb difference?

I asked the question at directfb list one of them suggested to install
the latest stable directfb that is 1.2.6. Current one at the hardy
repo is 1.0.1. İf i want to install the 1.2.6 from source, how can i
install it with the same location of 1.0.1 files. I dont want to use a
double version of directb. I think configuring with prefix /usr should
be fine but i want to be sure. Also i have some other libraries that
are compiled by directfb enabled. Do i need to recompile them again
after installing 1.2.6?


Thanx.

--
Oğuz Yarımtepe
www.loopbacking.info
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