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

[xscreensaver] / hacks / glx / boing.c

diff --git a/hacks/glx/boing.c b/hacks/glx/boing.c
index 22d512bf808ae1219c323751bfe0967f0d0d3655..55a05f3d4c67a98c94bdc50b832e9e62a5bdcb46 100644 (file)
--- a/hacks/glx/boing.c
+++ b/hacks/glx/boing.c
@@ -25,7 +25,7 @@
                        "*showFPS:      False            \n" \
                        "*wireframe:    False            \n" \
 
-# define refresh_boing 0
+# define free_boing 0
 # define release_boing 0
 #undef countof
 #define countof(x) (sizeof((x))/sizeof((*x)))
@@ -455,11 +455,18 @@ ENTRYPOINT void
 reshape_boing (ModeInfo *mi, int width, int height)
 {
   GLfloat h = (GLfloat) height / (GLfloat) width;
+  int y = 0;
 
   h *= 4.0 / 3.0;   /* Back in the caveman days we couldn't even afford
                        square pixels! */
 
-  glViewport (0, 0, (GLint) width, (GLint) height);
+  if (width > height * 5) {   /* tiny window: show middle */
+    height = width * 3/4;
+    y = -height/2;
+    h = height / (GLfloat) width;
+  }
+
+  glViewport (0, y, (GLint) width, (GLint) height);
 
   glMatrixMode(GL_PROJECTION);
   glLoadIdentity();
@@ -502,7 +509,7 @@ init_boing (ModeInfo *mi)
   boing_configuration *bp;
   int wire = MI_IS_WIREFRAME(mi);
 
-  MI_INIT (mi, bps, NULL);
+  MI_INIT (mi, bps);
 
   bp = &bps[MI_SCREEN(mi)];