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Re: x86/genfb_machdep.c multiplies width with stride


on Friday 26 July 2013 19:25:01 Erik Fair wrote:
> On Jul 25, 2013, at 07:37, Michael Lorenz <> 
> wrote:
> > Easy mistake to make and hard to catch since it rarely ever causes
> > trouble (unless you're running some weird video mode where width <
> > height)
> I believe that's called "portrait mode" and these days it's not so much
> "weird" as just uncommon … except in tablets where people are flipping
> screens around from portrait to landscape and back to portrait again with
> pretty wild abandon. Probably a good idea for NetBSD to support that mode
> of video operation.

... which doesn't (usually) change the VRAM organization, just the way you 
draw into it.

have fun

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