Transform verts using nonsquare matrices when available.

We were previously doing a square-matrix multiply then discarding one
third of the result; now, when available, we just get the result we need
via a non-square multiply.

Change-Id: Ie13ae6f2c7f23e3a4c1f2c4eeb6361a97cdccf67
Auto-Submit: John Stiles <>
Commit-Queue: John Stiles <>
Reviewed-by: Brian Salomon <>
3 files changed