A few inline asserts in anv assume alignments are power of 2, but with formats like R8G8B8 we have odd alignments. v2: round up to power of 2 (Ilia) v3: reuse util_next_power_of_two() from gallium/aux/util/u_math.h (Ilia) Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>