Re: Frame buffer / mmap() weirdness


Subject: Re: Frame buffer / mmap() weirdness
From: Stephen Edie (sedie@terraplex.com)
Date: Wed Dec 01 1999 - 10:57:50 MST


Terra Soft Solutions, Inc.
   Yellow Dog Linux
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On Wed, 1 Dec 1999, Benjamin Herrenschmidt wrote:

> On Tue, Nov 30, 1999, Stephen Edie <sedie@terraplex.com> wrote:
>
> >This doesn't entirely make sense. Just now I tested the program and it
> >doesn't require re-alignment as I mention above.
>
> This may be an issue with panning. I had a similar issue with
> Mac-On-Linux video driver, just make sure you set the screen offset to 0,0.

No, it is an addressing problem as I first noticed the problem when I saw
missing pixels at the bottom of the screen. (I was doing solid color and
vertical gradiant fills which didn't turn up the shifting problem)

Stephen



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