Prep work for adding perspective support.
Bug: skia:
Change-Id: Id07d3050afb3f0d001b885e482adb8d03125b619
Reviewed-on: https://skia-review.googlesource.com/10167
Commit-Queue: Jim Van Verth <jvanverth@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
BUG=skia:6119
Change-Id: I37639ebab43c9f32f48d2d7dbb8d4619efb9b09e
Reviewed-on: https://skia-review.googlesource.com/8061
Commit-Queue: Jim Van Verth <jvanverth@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
Change-Id: I42a9d06a18928588347a6dea2f6150518ba29aa8
Reviewed-on: https://skia-review.googlesource.com/7886
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Jim Van Verth <jvanverth@google.com>