tree 18d48cd1922c646b6dafa851fbe214c8904aef87
parent f4f6bbfadac327619a3832acad9c8afe06629b55
author Chris Dalton <csmartdalton@google.com> 1532716715 -0600
committer Skia Commit-Bot <skia-commit-bot@chromium.org> 1532718286 +0000

sksl: Add a "sk_Clockwise" built-in

This allows us to identify clockwise-winding triangles, in terms of
Skia device space, in all backends and with all render target origins.

Bug: skia:
Change-Id: I220e1c459e0129d1cc4dee6458ef94277fbedd21
Reviewed-on: https://skia-review.googlesource.com/142662
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>