a2ef92d7a5
this requires more storage in the viewport struct, but it avoids the need to repeatedly calculate the same transform if e.g., a meta operation occurs, which can save about 5% cpu in some cases Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11839>