Messages in this thread | | | Subject | Re: [Linux-fbdev-devel] Re: rotation. | From | (Måns Rullgård) | Date | 08 Jan 2003 12:25:18 +0100 |
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Sven Luther <luther@dpt-info.u-strasbg.fr> writes:
> > > I'm about to implement rotation which is needed for devices like the ipaq. > > > The question is do we flip the xres and yres values depending on the > > > rotation or do we just alter the data that will be drawn to make the > > > screen appear to rotate. How does hardware rotate view the x and y axis? > > > Are they rotated or does just the data get rotated? > > > > Where are you going to implement the rotation? At the fbcon or fbdev level? > > > > Fbcon has the advantage that it'll work for all frame buffer devices. > > But you could also provide driver hooks for the chips which have such a > rotation feature included (don't know if such exist, but i suppose they > do, or may in the future).
I heard of someone have problems with the display getting rotated in Windows. I don't know what chip it was.
-- Måns Rullgård mru@users.sf.net - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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