From f5901484a773765dc19a473320e5b6b2575f2cd6 Mon Sep 17 00:00:00 2001
From: Jan Ziak <0xe2.0x9a.0x9b@gmail.com>
Date: Tue, 29 Sep 2020 14:38:03 +0000
Subject: [PATCH] Add driver override to envvars.rst

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6911>
---
 docs/envvars.rst | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/docs/envvars.rst b/docs/envvars.rst
index fa414bd347b..2395406c95b 100644
--- a/docs/envvars.rst
+++ b/docs/envvars.rst
@@ -180,6 +180,8 @@ Core Mesa environment variables
       instance version as advertised by ``vkEnumerateInstanceVersion``
    -  This can be very useful for debugging but some features may not be
       implemented correctly. (For developers only)
+``MESA_LOADER_DRIVER_OVERRIDE``
+   chooses a different driver binary such as ``etnaviv`` or ``zink``.
 
 NIR passes environment variables
 --------------------------------