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Diffstat (limited to 'utils/xdbe.h')
| -rw-r--r-- | utils/xdbe.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/utils/xdbe.h b/utils/xdbe.h new file mode 100644 index 0000000..26f2de8 --- /dev/null +++ b/utils/xdbe.h @@ -0,0 +1,27 @@ +/* xscreensaver, Copyright (c) 1998, 1999 by 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. + */ + +/* The XDBE (Double Buffering) extension is pretty tricky to use, since you + can get X errors at inconvenient times during initialization. This file + contains a utility routine to make it easier to deal with. + */ + +#ifndef __XSCREENSAVER_XDBE_H__ + +#ifdef HAVE_DOUBLE_BUFFER_EXTENSION + +# include <X11/extensions/Xdbe.h> + +extern XdbeBackBuffer xdbe_get_backbuffer (Display *, Window, XdbeSwapAction); + +#endif /* HAVE_DOUBLE_BUFFER_EXTENSION */ + +#endif /* __XSCREENSAVER_XDBE_H__ */ |