Mesa (master): docs: document the LIBGL_DRI3_DISABLE environment variable

[Martin Peres]

Module: Mesa
Branch: master
Commit: e4b297360780740599afdc93f61bd8be425f0d75
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=e4b297360780740599afdc93f61bd8be425f0d75

Author: Martin Peres <martin.peres at linux.intel.com>
Date:   Thu May  7 16:57:48 2015 +0300

docs: document the LIBGL_DRI3_DISABLE environment variable

Suggested-by: Axel Davy <axel.davy at ens.fr>
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
Signed-off-by: Martin Peres <martin.peres at linux.intel.com>

---

 docs/envvars.html |    1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/envvars.html b/docs/envvars.html
index 31d14a4..c0d5a51 100644
--- a/docs/envvars.html
+++ b/docs/envvars.html
@@ -34,6 +34,7 @@ sometimes be useful for debugging end-user issues.
 <li>LIBGL_NO_DRAWARRAYS - if set do not use DrawArrays GLX protocol (for debugging)
 <li>LIBGL_SHOW_FPS - print framerate to stdout based on the number of glXSwapBuffers
     calls per second.
+<li>LIBGL_DRI3_DISABLE - disable DRI3 if set (the value does not matter)
 </ul>