Only in xscreensaver-5.00.orig/driver: XScreenSaver_Xm_ad.h
Only in xscreensaver-5.00.orig/driver: XScreenSaver_ad.h
diff -r -u xscreensaver-5.00.orig/driver/prefs.c xscreensaver-5.00/driver/prefs.c
--- xscreensaver-5.00.orig/driver/prefs.c	2006-05-24 00:03:47.000000000 +0200
+++ xscreensaver-5.00/driver/prefs.c	2006-10-18 00:15:48.000000000 +0200
@@ -305,6 +305,7 @@
   "overlayTextBackground",	/* not saved -- X resources only */
   "overlayTextForeground",	/* not saved -- X resources only */
   "bourneShell",		/* not saved -- X resources only */
+  "glScreenNumber",
   0
 };
 
@@ -858,6 +859,7 @@
       CHECK("overlayTextBackground") continue;  /* don't save */
       CHECK("overlayTextForeground") continue;  /* don't save */
       CHECK("bourneShell")	continue;
+      CHECK("glScreenNumber")		type = pref_int, b = p->gl_screen_number;
       else			abort();
 # undef CHECK
 
@@ -1041,6 +1043,7 @@
   p->lock_p	    = get_boolean_resource (dpy, "lock", "Boolean");
   p->fade_p	    = get_boolean_resource (dpy, "fade", "Boolean");
   p->unfade_p	    = get_boolean_resource (dpy, "unfade", "Boolean");
+  p->gl_screen_number = get_integer_resource (dpy, "glScreenNumber", "Integer");
   p->fade_seconds   = 1000 * get_seconds_resource (dpy, "fadeSeconds", "Time");
   p->fade_ticks	    = get_integer_resource (dpy, "fadeTicks", "Integer");
   p->install_cmap_p = get_boolean_resource (dpy, "installColormap", "Boolean");
Only in xscreensaver-5.00/driver: prefs.c~
diff -r -u xscreensaver-5.00.orig/driver/prefs.h xscreensaver-5.00/driver/prefs.h
--- xscreensaver-5.00.orig/driver/prefs.h	2006-05-18 01:35:54.000000000 +0200
+++ xscreensaver-5.00/driver/prefs.h	2006-10-17 23:31:49.000000000 +0200
@@ -117,6 +117,7 @@
   char *help_url;		/* Where the help document resides. */
   char *load_url_command;	/* How one loads URLs. */
   char *new_login_command;	/* Command for the "New Login" button. */
+  int gl_screen_number;         /* Screen on which to run GL screensavers */
 };
 
 
Only in xscreensaver-5.00/driver: prefs.h~
diff -r -u xscreensaver-5.00.orig/driver/subprocs.c xscreensaver-5.00/driver/subprocs.c
--- xscreensaver-5.00.orig/driver/subprocs.c	2006-03-08 06:52:23.000000000 +0100
+++ xscreensaver-5.00/driver/subprocs.c	2006-10-18 00:16:29.000000000 +0200
@@ -960,7 +960,9 @@
       if (!force &&
 	  (!hack->enabled_p ||
 	   !on_path_p (hack->command) ||
-	   !select_visual_of_hack (ssi, hack)))
+	   !select_visual_of_hack (ssi, hack) ||
+	   (p->gl_screen_number && (ssi->number+1) != p->gl_screen_number && hack->visual &&
+	    (!strcmp(hack->visual, "GL") || !strcmp(hack->visual, "Gl") || !strcmp(hack->visual, "gl")))))
 	{
 	  if (++retry_count > (p->screenhacks_count*4))
 	    {
Only in xscreensaver-5.00/driver: subprocs.c~