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From: Marcus Sundberg <e94_msu@elixir.e.kth.se>
To : ggi-develop@eskimo.com
Date: Mon, 17 Aug 1998 19:17:15 +0200
Re: 3d
> > Besides the fact that ioctl()s are not exactly the fastest way to
> > communicate with a GFX accelerator, having a generic ioctl() API
> > for 3D acceleration would bloat the kernel way to much without
> > gaining anything compared to having a small HW driver in the
> > kernel and a library to interface it.
>
> Yes but fb doesn't have a accel buffer like /dev/graphics.
>
> If you do good code this bloat can be very small.
fb doesn't have 3d accel ioctls either...
I know that any unknown ioctls are passed on to kgicon,
but just as well as adding your own ioctls you can let
the kgicon driver add a /dev/fb[0-9]*accel device which
is used to access the 3D features of the card.
//Marcus
--
-------------------------------+------------------------------------
Marcus Sundberg | http://www.stacken.kth.se/~mackan
Royal Institute of Technology | Phone: +46 707 295404
Stockholm, Sweden | E-Mail: e94_msu@e.kth.se
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