From: Mikko Rasa <tdb@tdb.fi>
Date: Fri, 11 Mar 2022 22:11:49 +0000 (+0200)
Subject: Remove unused stages from shader programs
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=77973a48acbe29c2a64d43de7084574aaf7a26c4;hp=77973a48acbe29c2a64d43de7084574aaf7a26c4;p=libs%2Fgl.git

Remove unused stages from shader programs

A stage is deemed unused if it has no main function after optimization,
or if a SPIR-V entry point's interface variables all become unused during
specialization.
---