Add driver override to envvars.rst

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6911>
2020-09-29 14:38:03 +00:00
parent 2584d48b2c
commit f5901484a7
1 changed files with 2 additions and 0 deletions
--- 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
 --------------------------------