Messages in this thread | | | From | John Bradford <> | Subject | Re: [Linux-fbdev-devel] Re: rotation. | Date | Wed, 8 Jan 2003 12:05:48 +0000 (GMT) |
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> > > > 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).
It would be nice to have an option to be able to do the rotation entirely in software - some desktop users might prefer to have a portait-orientated display, when their graphics card doesn't have any hardware rotation facilities at all.
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