From cc26e2774615d5e18a0e19270a40b7dd1e4e99df Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Mon, 8 Jun 2009 10:56:51 -0600
Subject: [PATCH] docs: document MESA_EXTENSION_OVERRIDE env var

---
 docs/envvars.html | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/docs/envvars.html b/docs/envvars.html
index 7fd9fe7c0a8..6d7a321da9f 100644
--- a/docs/envvars.html
+++ b/docs/envvars.html
@@ -25,6 +25,9 @@ fragment programs (intended for developers only)
 <li>MESA_TNL_PROG - if set, implement conventional vertex transformation
 operations with vertex programs (intended for developers only).
 Setting this variable automatically sets the MESA_TEX_PROG variable as well.
+<li>MESA_EXTENSION_OVERRIDE - can be used to enable/disable extensions.
+A value such as "GL_EXT_foo -GL_EXT_bar" will enable the GL_EXT_foo extension
+and disable the GL_EXT_bar extension.
 </ul>
 
 <p>
-- 
2.30.2