tree 0c94f5d0067d7d1570b947cdb9c4a2fbaf16ac55
parent d46cb9729b60036436011ae97675a2d8bb4a7905
author Jim Van Verth <jvanverth@google.com> 1568656657 -0400
committer Skia Commit-Bot <skia-commit-bot@chromium.org> 1568658244 +0000

Add ETC2 support to Metal backend.

Fills out onCreateCompressedTexture and sets iOS caps to support ETC2.
Skia supports no compressed texture formats on MacOS as yet.

Bug: skia:8243
Change-Id: I2ce20f601c035a8822e658c88b815fdd8587aa98
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/240692
Commit-Queue: Jim Van Verth <jvanverth@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>