1 files changed, 3 insertions, 0 deletions
diff --git a/src/main.c b/src/main.c
index ff8328d5..d8921e7c 100644
--- a/src/main.c
+++ b/src/main.c
@@ -314,6 +314,9 @@ main (int argc, char **argv)
 	}
 	else if (!strcmp (argv[i], "--indirect-rendering"))
 	{
+	    /* force Mesa libGL into indirect rendering mode, because
+	       glXQueryExtensionsString is context-independant */
+	    setenv ("LIBGL_ALWAYS_INDIRECT", "1", True);
 	    indirectRendering = TRUE;
 	}
 	else if (!strcmp (argv[i], "--loose-binding"))