Re: Need Help With Libinput

Lester Thorpe wrote:

        Coordinate Transformation Matrix (157): 0.400000, 0.000000, 0.000000, 0.000000, 0.400000, 0.000000, 0.000000, 0.000000, 1.000000

[...]

But what do the rest of the values accomplish?
>
I can find no documentation on this issue.  If someone can
provide links or a description it would be appreciated.

You cursor movement is the vector you get when you multiply the matrix
with the input vector:

/x'\       /x\
|y'| = M * |y|
\1 /       \1/

The third dimension allows merging every possible transformation into a
single multiplication:

https://en.wikipedia.org/wiki/Affine_transformation#Image_transformation