tree ae95914db21f45fc1d8948ef7fede9e7090c10e6
parent d75edb2e3bfebe530ffb4388e0d51d57260377b0
author Mike Klein <mtklein@chromium.org> 1522956240 -0400
committer Skia Commit-Bot <skia-commit-bot@chromium.org> 1522958378 +0000

better matrix 3x3 invert

I didn't think hard about this... just folded through constants.

Change-Id: I994773009964e183691cf5f10861756acfe4b2ae
Reviewed-on: https://skia-review.googlesource.com/118986
Commit-Queue: Mike Klein <mtklein@chromium.org>
Reviewed-by: Brian Osman <brianosman@google.com>