Georges Basile Stavracas Neto ade28eeaf3 cogl/matrix: Rotate using graphene matrices
This is pretty similar to the other conversions, except we need to
store the matrix flags before operating on it, and update it using
this old value after. That's because cogl_matrix_init_from_array()
marks the matrix as entirely dirty, and we don't want that.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1439
2020-10-06 15:34:46 +00:00
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