https://bugs.freedesktop.org/show_bug.cgi?id=90007
--- Comment #2 from Éric Brunet <[email protected]> --- Created attachment 115125 --> https://bugs.freedesktop.org/attachment.cgi?id=115125&action=edit Updating of the man page of xf86-input-libinput. Ho... Thanks for the link! I have been doing too much math lately. I saw a 3x3 matrix called InputCoordinateTransformation, and I thought (without checking, my bad) that it was transforming 3D coordinates (x,y,z) => (x',y',z') = M (x,y,z) in anticipation of future fancy input methods... The transformation is instead (x,y) => (x',y') = M (x,y) + (x0,y0) I think I would have guessed if the matrix had been 3x2 instead of 3x3, and I am still confused about the meaning of the third row, but at least I can now rotate my screen as I want. May I suggest updating the man page of the xf86 libinput driver to explain this? The interface is neither intuitive nor user-friendly, and documentation is always good. I am attaching a patch to this effect. -- You are receiving this mail because: You are the assignee for the bug.
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