From http://www.jwz.org/xscreensaver/xscreensaver-5.16.tar.gz

[xscreensaver] / hacks / config / glmatrix.xml

diff --git a/hacks/config/glmatrix.xml b/hacks/config/glmatrix.xml
index 3d282a57c4219784633c9afdfe578d76ff4bed43..2b8ea5a3e54a8c5f176328b3ff4cc283451608e9 100644 (file)
--- a/hacks/config/glmatrix.xml
+++ b/hacks/config/glmatrix.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
 
-<screensaver name="glmatrix" _label="GLMatrix">
+<screensaver name="glmatrix" _label="GLMatrix" gl="yes">
 
   <command arg="-root"/>