[PATCHv3] dix: add 3x3 transformation matrix xinput property for multi-head handling

[Peter Korsgaard]

>>>>> "PH" == Peter Hutterer <peter.hutterer at who-t.net> writes:

>> left:            right:
>> [ 0.5 0 0 ]     [ 0.5 0 0.5 ]
>> [ 0   1 0 ]     [ 0   1 0   ]
>> [ 0   0 1 ]     [ 0   0 0   ]
PH>                           ^ typo, fixed this up

Ahh yes, thanks.

>> 
>> Which can be done using xinput:
>> 
>> xinput set-prop <left> --type=float "Coordinate Transformation Matrix" \
>> 0.5 0 0 0 1 0 0 0 1
>> 
>> xinput set-prop <right> --type=float "Coordinate Transformation Matrix" \
>> 0.5 0 0.5 0 1 0 0 0 1
>> 
>> Likewise more complication setups involving more heads, rotation or
>> different resolution can be handled.
>> 
>> Signed-off-by: Peter Korsgaard <peter.korsgaard at barco.com>

PH> thanks, I've finally had time to merge and test this. It's in my tree now,
PH> I'll get it pulled by keith asap.

Great, thanks!

-- 
Bye, Peter Korsgaard


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