tree 76d6c3c768934d87c44b022690b6e872ff154ec7
parent 2c8104eb18d15916db8f7b648bd79f7384397af9
author Mike Reed <reed@google.com> 1480371458 -0500
committer Skia Commit-Bot <skia-commit-bot@chromium.org> 1480424306 +0000

don't support converting from alpha to non-alpha

BUG=skia:

Change-Id: Ia06bef6c0bfc03b5ca9f569c07e993da0bbd67c3
Reviewed-on: https://skia-review.googlesource.com/5288
Reviewed-by: Matt Sarett <msarett@google.com>
Commit-Queue: Mike Reed <reed@google.com>