diff --git a/COMPOSITE_HOWTO b/COMPOSITE_HOWTO
index 54f379ed00..a14b8a3c80 100644
--- a/COMPOSITE_HOWTO
+++ b/COMPOSITE_HOWTO
@@ -63,7 +63,8 @@ Option "XaaNoOffscreenPixmaps" "true"
 in 'Section "Screen"' may improve performance for non-TFP (texture_from_pixmap) modes.
 
 For the TFP mode AIGLX needs to work. With AIGLX direct rendering should be be disabled
-(export LIBGL_ALWAYS_INDIRECT=1 before running kwin).
+(see GLDirect below, with X.org older than 7.2 "export LIBGL_ALWAYS_INDIRECT=1" before
+running kwin may be necessary).
 
 
 Intel:
diff --git a/COMPOSITE_TODO b/COMPOSITE_TODO
index cd062bcf15..5c541113dd 100644
--- a/COMPOSITE_TODO
+++ b/COMPOSITE_TODO
@@ -85,6 +85,9 @@ OpenGL TODO
     
 + AIGLX support
     - kind of works, needs more work
++   - it needs indirect rendering, should be autodetected and disabled somehow
+%   - may require LIBGL_ALWAYS_INDIRECT set with older X.org
+        (http://lists.kde.org/?l=kwin&m=116439615124838&w=2)
 
 ! improved GLXFBConfig support
     - it seems a different config for each depth would be needed