Add geometry domain for non-rectilinear quads

Bug: chromium:947055
Change-Id: Ic110a1c4e83af0a8efa47ebf2dd035dfdb0e7af0
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/204725
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
2 files changed