I am
trying to get DirectFB to work with a virtual frame buffer, but when ever I run
dfb, I get this:
(!) DirectFB/FBDev: No supported modes found in /etc/fb.modes and current mode
not supported!
(!) DirectFB/FBDev: Current mode's pixelformat: rgba 8/0, 8/0, 8/0, 0/0 (8bit)
(!) DirectFB/FBDev: Specified mode (640x480) not supported or not defined in
'/etc/fb.modes'!
(!) DirectFB/FBDev: Using default mode (640x400) instead!
I have the right mode set in fb.modes for 16 bit. I at first thought that
the 1M vfb gives you was not enough, so I upped to 16M, but I still get the
same thing. Is there something else I need to do? (I am not that
familiar with framebuffers).
Also, can anyone recomend a good book on writing framebuffers? The reason
I want the vfb, is because I now have to use a DMA to write to the video
memory, so I figured that I would write to memory, then have the DMA push it to
the video mem. But I would love to know if there is a better way by
writting my own FB to use the DMA.
Thanks,
-Matt S.
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