tree 5bebc8e98a5c3bd45470deb5bc12e719e087527b
parent 75cebbe5d3037cd8ebfce8379c629a7dd6fe787b
author Ben Wagner <bungeman@google.com> 1589381089 -0400
committer Skia Commit-Bot <skia-commit-bot@chromium.org> 1589833087 +0000

Cache hb_face.

Creating an hb_face can be quite expensive, cache them.

This implementation is similar to the super simple caching strategy used
by libtxt. It uses a simple global LRU cache from SkFontID to hb_hbface
of size 100.

Change-Id: I364a4548699cece50073e829a065c0a303245873
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/289442
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Mike Reed <reed@google.com>