tu: Do not DCE unused output vars used for transform feedback (!19020) · Merge requests · Mesa / mesa · GitLab

Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.

Danylo Piliaiev requested to merge Danil/mesa:turnip/fix/xfb-unused-out-vars into main Oct 10, 2022

Fixes CTS tests:

 dEQP-VK.transform_feedback.simple.multiquery_omit_write_1
 dEQP-VK.transform_feedback.simple.multiquery_omit_write_3