tree ae121689282ce14521c18a457f5fc67df71d1a51
parent 8ac878739135083c2b65d9e4d3d156f37aa3d7a6
author Lucas Dupin <dupin@google.com> 1620749226 -0700
committer Lucas Dupin <dupin@google.com> 1620843243 -0700

Blend premultiplied colors

Mixing alpha blended colors, and then premultiplying them in the end was
causing artifacts on the sparkles.

Bug: 187824279
Test: visual
Change-Id: Icde12c3fa737f597f18f2705eefa687a49a19445