This is really just a runtime shader with a late-bound input.
Bug: skia:12074 chromium:1213217
Change-Id: Ie92650a3e1e03d0c43ce4745eb33d49d582094f5
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/416476
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
