tree fffbee1a7680277561c2b71257a7ea642bcc5443
parent ef68b6049ceb605ca9b4310d3c1d38a5ae76eaff
author Tatsuyuki Ishi <ishitatsuyuki@google.com> 1740009497 -0800
committer Chromium LUCI CQ <chromium-scoped@luci-project-accounts.iam.gserviceaccount.com> 1740009497 -0800

Add a Rust-based ETC1 texture compressor

This is an ETC1 (GPU texture) compressor to replace the current ETC1
compressor sourced from AOSP, which is slow and can disrupt foreground
jobs. The new texture compressor is written in Rust, with a focus on
performance, safety and portability.

This compressor will be gated behind a build flag that can be turned off
if a toolchain roll breaks build due to nightly features.

Design docs (internal only): go/clank-rust-etc1-encoder
Bug: 369986099

Change-Id: I038769145dd5a6109a0273f8b2200b7ff30b9a56
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6218420
Reviewed-by: Calder Kitagawa <ckitagawa@chromium.org>
Reviewed-by: Junichi Uekawa <uekawa@chromium.org>
Reviewed-by: Theresa Sullivan <twellington@chromium.org>
Commit-Queue: Tatsuyuki Ishi <ishitatsuyuki@google.com>
Cr-Commit-Position: refs/heads/main@{#1422262}