From http://www.jwz.org/xscreensaver/xscreensaver-5.32.tar.gz

[xscreensaver] / OSX / XScreenSaverGLView.m

diff --git a/OSX/XScreenSaverGLView.m b/OSX/XScreenSaverGLView.m
index 7af44038bc7c900eacd57a184f1b7657240c0939..da77021c89f63f489970a054f7b1d8e30d03edcb 100644 (file)
--- a/OSX/XScreenSaverGLView.m
+++ b/OSX/XScreenSaverGLView.m
@@ -87,7 +87,13 @@ extern void check_gl_error (const char *type);
  */
 - (CGFloat) hackedContentScaleFactor
 {
-  return [self contentScaleFactor];
+  NSSize ssize = [[[UIScreen mainScreen] currentMode] size];
+  NSSize bsize = [self bounds].size;
+
+  // Ratio of screen size in pixels to view size in points.
+  GLfloat s = ((ssize.width > ssize.height ? ssize.width : ssize.height) /
+               (bsize.width > bsize.height ? bsize.width : bsize.height));
+  return s;
 }
 #endif // USE_IPHONE