From http://www.jwz.org/xscreensaver/xscreensaver-5.22.tar.gz

[xscreensaver] / OSX / XScreenSaverView.h

diff --git a/OSX/XScreenSaverView.h b/OSX/XScreenSaverView.h
index 7365b9d82080e0566111c4ccdfb95f502215aaf8..6902c559ea749aac3708edcd55eb67b748ffee8c 100644 (file)
--- a/OSX/XScreenSaverView.h
+++ b/OSX/XScreenSaverView.h
@@ -1,4 +1,4 @@
-/* xscreensaver, Copyright (c) 2006-2012 Jamie Zawinski <jwz@jwz.org>
+/* xscreensaver, Copyright (c) 2006-2013 Jamie Zawinski <jwz@jwz.org>
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
@@ -52,6 +52,11 @@
 #endif // USE_IPHONE
 
 
+#ifdef USE_IPHONE
+# define USE_BACKBUFFER  /* must be in sync with jwxyz.h */
+#endif
+
+
 @interface XScreenSaverView : ScreenSaverView
 # ifdef USE_IPHONE
                              <UIAlertViewDelegate>
@@ -81,17 +86,21 @@
   NSSize rot_from, rot_to;     // start size rect, end size rect
   GLfloat angle_from, angle_to;        // start angle, end angle
   double rot_start_time;
+  BOOL ignore_rotation_p;
 
   NSSize rot_current_size;
   GLfloat rot_current_angle;
 
-  CGContextRef backbuffer;
-  NSSize backbuffer_size;
-
   NSTimer *crash_timer;
 
+  NSDictionary *function_tables;
+
 # endif // USE_IPHONE
 
+# ifdef USE_BACKBUFFER
+  CGContextRef backbuffer;
+  CGSize backbuffer_size;
+# endif // USE_BACKBUFFER
 }
 
 - (id)initWithFrame:(NSRect)frame saverName:(NSString*)n isPreview:(BOOL)p;
@@ -104,7 +113,11 @@
 #ifdef USE_IPHONE
 - (void)didRotate:(NSNotification *)notification;
 - (void)setScreenLocked:(BOOL)locked;
-- (void)createBackbuffer;
 #endif // USE_IPHONE
 
+#ifdef USE_BACKBUFFER
+- (void)initLayer;
+- (void)createBackbuffer;
+#endif // USE_BACKBUFFER
+
 @end