adding RandR support to dummy (was adding a custom modeline with xrandr..)

Jamey Sharp jamey at
Mon Dec 19 11:47:17 PST 2011

On Mon, Dec 19, 2011 at 03:17:54PM +0700, Antoine Martin wrote:
> On 10/24/2011 06:26 PM, Jamey Sharp wrote:
> > Off-hand, I'd guess nobody has implemented RANDR support in 
> > xf86-video-dummy. But since I don't know what drivers need to do
> > for that, for all I know there could be some generic support in the
> > core that's failing here, instead.
> ...
> So I would like to add better RandR support to dummy which should be
> relatively straightforward, but I cannot find any reference
> implementation or documentation on which methods need to be
> implemented and how.. I found that drivers include "xorg/xf86RandR12.h"
> Calling xf86RandR12Init / PreInit only got me segfaults so far..
> Are there any useful pointers to help me get started?

I would like to know the answer to this question too. :-) Sooner or
later I want RANDR support in xf86-video-nested as well.

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