From http://www.jwz.org/xscreensaver/xscreensaver-5.38.tar.gz

[xscreensaver] / hacks / glx / companion.c

diff --git a/hacks/glx/companion.c b/hacks/glx/companion.c
index 10dd959b0cc3fa7451548a2895be70b7196180e9..8b6f8bfd719892163aadc743ca7e859875d6c963 100644 (file)
--- a/hacks/glx/companion.c
+++ b/hacks/glx/companion.c
@@ -26,7 +26,7 @@
 /* #define DEBUG */
 
 
-# define refresh_cube 0
+# define free_cube 0
 # define release_cube 0
 #define DEF_SPEED  "1.0"
 #define DEF_SPIN   "False"
@@ -348,8 +348,15 @@ ENTRYPOINT void
 reshape_cube (ModeInfo *mi, int width, int height)
 {
   GLfloat h = (GLfloat) height / (GLfloat) width;
+  int y = 0;
 
-  glViewport (0, 0, (GLint) width, (GLint) height);
+  if (width > height * 5) {   /* tiny window: show middle */
+    height = width * 9/16;
+    y = -height/2;
+    h = height / (GLfloat) width;
+  }
+
+  glViewport (0, y, (GLint) width, (GLint) height);
 
   glMatrixMode(GL_PROJECTION);
   glLoadIdentity();
@@ -394,7 +401,7 @@ init_cube (ModeInfo *mi)
   int wire = MI_IS_WIREFRAME(mi);
   int i;
 
-  MI_INIT (mi, bps, NULL);
+  MI_INIT (mi, bps);
 
   bp = &bps[MI_SCREEN(mi)];