Subject: Re: rasops and acceleration
To: None <>
From: Christos Zoulas <>
List: tech-kern
Date: 03/14/2006 22:19:41
In article <>,
Garrett D'Amore <> wrote:
>Looking thru the code, I notice that rasops seem to be limited to
>handling of emulated displays.  I.e. it doesn't appear that the
>rasops/wsdisplay framework can export anything other than framebuffer
>memory to graphics applications.
>I want to support console graphics applications, and I'd like them to be
>able to use the acceleration functions that are already present in
>rasops (plus maybe a few others yet to be defined, like line-drawing,
>xor'ing, etc.)
>As far as I can see, Xwsfb can't take advantage of any of this stuff,
>but it would also be cool if it could.  2D acceleration for Xwsfb would
>be nice, I think.
>Is anyone working on this, or interesting in working on it?  (I'm afraid
>to ask this next bit, but here goes: Any strenous objections to adding
>this kind of support to the rasops framework?)
>Basically, I'm thinking that the acceleration mode routines in rasops
>can look at the mode (emulated text or not), and either use pixel
>coordinates or character coordinates.  (Right now they only use
>character coordinates).
>I guess another way to do it would be to have some kind of new
>framework, rasaccel?, that exposed similar routines, but did it only for
>bitmapped displays *not* running in text emulation mode.  But I hate to
>invent a whole new framework.

No objection here.