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Bug 1780312 - Turn off the Linux nvidia driver's shader cache in the RDD process. r=gcp

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We were already turning off Mesa's shader cache in the RDD process,
because it's not useful given that we're only using video codec
acceleration and moving images around, and it does a few things related
to trying to access the cache that the sandbox would have to accomodate.

This patch does the equivalent thing for the nvidia proprietary driver;
we don't support it for media codec acceleration, but it can still be
loaded in that process (e.g., on multi-GPU systems) and it's trying to
call `statfs` on startup which may be related.

Differential Revision: https://phabricator.services.mozilla.com/D152932
This commit is contained in:
Jed Davis 2022-07-28 19:07:30 +00:00
parent 06f1fbef08
commit 501b8ffcd7
1 changed files with 2 additions and 0 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

2
ipc/glue/GeckoChildProcessHost.cpp
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@ -428,6 +428,8 @@ GeckoChildProcessHost::GeckoChildProcessHost(GeckoProcessType aProcessType,
// this process, we just disable the cache to prevent that.
mLaunchOptions->env_map["MESA_GLSL_CACHE_DISABLE"] = "true";
mLaunchOptions->env_map["MESA_SHADER_CACHE_DISABLE"] = "true";
// In case the nvidia driver is also loaded:
mLaunchOptions->env_map["__GL_SHADER_DISK_CACHE"] = "0";
}
#endif
#if defined(MOZ_ENABLE_FORKSERVER)