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

[xscreensaver] / hacks / glx / cubestorm.c

diff --git a/hacks/glx/cubestorm.c b/hacks/glx/cubestorm.c
index 3137c862dcac747a1b8d2e4462233695597d77fc..4ef7fd1b4c5eb24671be4857ab044eb8377c049f 100644 (file)
--- a/hacks/glx/cubestorm.c
+++ b/hacks/glx/cubestorm.c
@@ -17,7 +17,7 @@
                        "*suppressRotationAnimation: True\n" \
 
 
-# define refresh_cube 0
+# define free_cube 0
 # define release_cube 0
 #undef countof
 #define countof(x) (sizeof((x))/sizeof((*x)))
@@ -162,8 +162,15 @@ 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();
@@ -226,7 +233,7 @@ init_cube (ModeInfo *mi)
   int wire = MI_IS_WIREFRAME(mi);
   int i;
 
-  MI_INIT (mi, bps, NULL);
+  MI_INIT (mi, bps);
 
 # ifdef HAVE_JWZGLES
   dbuf_p = True;