From http://www.jwz.org/xscreensaver/xscreensaver-5.20.tar.gz

[xscreensaver] / hacks / glx / crackberg.c

diff --git a/hacks/glx/crackberg.c b/hacks/glx/crackberg.c
index 2d8acbd47db7afad3a7e1281ec90d37d380d8949..6e4b7b493691f2ea6013ac5be308d1c6b70a5724 100644 (file)
--- a/hacks/glx/crackberg.c
+++ b/hacks/glx/crackberg.c
@@ -1211,7 +1211,9 @@ ENTRYPOINT void init_crackberg (ModeInfo *mi)
     glEnable(GL_BLEND);
     glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
     glShadeModel((flat) ? GL_FLAT : GL_SMOOTH);
+# ifndef HAVE_JWZGLES /* #### glPolygonMode other than GL_FILL unimplemented */
     glPolygonMode(GL_FRONT_AND_BACK, (MI_IS_WIREFRAME(mi)) ? GL_LINE : GL_FILL);
+# endif
 
     if (lit) {
         glEnable(GL_LIGHTING);