[directfb-dev] Re: Non-working AGP hack

[Sven Neumann <neo@convergence.de>]

Hi,

Antonino Daplas <adaplas@pol.net> writes:

> df_dok does not implement dual buffers as far as I can tell, so the
> front_buffer == back_buffer. And the backbuffer is the undisplayable AGP
> surface.

it does use a backbuffer if you use the --system command-line flag. In
that case it will however force the backbuffer to system memory:

df_dok.c:651   if (do_system)
df_dok.c:652        dsc.caps |= (DSCAPS_FLIPPING | DSCAPS_SYSTEMONLY);


Salut, Sven



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