From: Marcus Sundberg <mackan@stacken.kth.se>
  To  : ggi-develop@eskimo.com
  Date: Sat, 29 Aug 1998 14:40:56 +0000

Re: Mesa 3.0 - anyone really want patches? :) - and a DirectBuffer prob

teunis wrote:
> 
> Anyways I finally solved the problem...  Bit counts are now working (if
> they didn't before... did they?).
> 
> So what's the _PROPER_ way to request stride (bytes per line!) from a
> DirectBuffer?
> I was using buf->buffer.plb.stride but it produced incorrect data....
> (off by a factor of 2+ too high)
>
> I'm now using tm.virt.x and it works.... (even in 16bpp :)

Dont't do that! tm.virt.x is nothing like the stride. Even though
it can be used that way in most cases it will break in others.

buf->buffer.plb.stride is _the_ stride, and if it doesn't work
it must be fixed. What target/mode were you using?

//Marcus
-- 
-------------------------------+------------------------------------
        Marcus Sundberg        | http://www.stacken.kth.se/~mackan/
 Royal Institute of Technology |       Phone: +46 707 295404
       Stockholm, Sweden       |   E-Mail: mackan@stacken.kth.se