tree 95edd3829630e695a9754bd25844c48e06f5ce44
parent ffe5f0eb410d4cb077519733f6be752efdbda6cb
author Seigo Nonaka <nona@google.com> 1604468845 -0800
committer Seigo Nonaka <nona@google.com> 1604475123 -0800

Introduce getSourceIdentifier instead of isSameSource.

After some experiment, equality function is not enough for
high performance animation. To use native glyph cache efficiently,
need to cache the Font object during font variation animations.
This identifier will be used for the key of the cache.

Bug: 171911683
Test: atest FontTest
Change-Id: Idbaa1bc83aea2c6af82641bd7d3a553f2cfe4793