/* 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
-* the above copyright notice appear in all copies and that both that
-* copyright notice and this permission notice appear in supporting
-* documentation. No representations are made about the suitability of this
-* software for any purpose. It is provided "as is" without express or
-* implied warranty.
-*/
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation. No representations are made about the suitability of this
+ * software for any purpose. It is provided "as is" without express or
+ * implied warranty.
+ */
/* This is a subclass of Apple's ScreenSaverView that knows how to run
xscreensaver programs without X11 via the dark magic of the "jwxyz"
#define USE_BACKBUFFER // must be in sync with jwxyz.m
-#define USE_CALAYER // requires USE_BACKBUFFER; required by iOS.
+
+// If USE_BACKBUFFER is enabled, one of these must also be enabled.
+// #define BACKBUFFER_CGCONTEXT // Not supported by iOS.
+#define BACKBUFFER_CALAYER
@interface XScreenSaverView : ScreenSaverView
# ifdef USE_IPHONE
CGSize backbuffer_size;
CGColorSpaceRef colorspace;
-# ifndef USE_CALAYER
+# ifdef BACKBUFFER_CGCONTEXT
CGContextRef window_ctx;
# endif