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

[xscreensaver] / hacks / config / blocktube.xml

diff --git a/hacks/config/blocktube.xml b/hacks/config/blocktube.xml
index 89f617b5d232f1d9f6dce7d5af109479638c6ba5..9a9743c8cc893d1d159b9f6011381eb6b067a57f 100644 (file)
--- a/hacks/config/blocktube.xml
+++ b/hacks/config/blocktube.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
 
-<screensaver name="blocktube" _label="BlockTube">
+<screensaver name="blocktube" _label="BlockTube" gl="yes">
 
   <command arg="-root"/>