Nikita Egorov wrote:
> Documentation for gfxdriver is source code of DirectFB.:)
> It's not a very difficult goal. See sources of some simple gfxdriver
> from the library. Too files src/core/gfxcard.h and gfxcard.c contain
> important comments.
There's also a nice presentation:
http://www.directfb.org/docs/ELC2008/elc2008_directfb_gfx.pdf
> I spent couple of weeks to create my own driver. I did it so:
> 1) I'd created new folder in DirectFB/gfxdrivers/
> 2) copied one of existing drivers sources to the folder (e.g. you can
> use ati128)
> 3) renamed all files, functions and structures (like as ati128Blit =>
> xxxBlit) and corrected makefiles.
> 4) Next I'd changed followed functions :
> driver_probe(),driver_get_info(),driver_init_driver(),
> driver_init_device(), driver_close_device(), driver_close_driver()
> 5) When DirectFB could register my driver I'd begun to change
> check_state() and set_state() and create(change) gfx functions like as
> Blit, FillRect, Line and so on.
I'd use the vmware driver as a template. It contains very informative comments
and is still very simple.
--
Best regards,
Denis Oliver Kropp
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