2 * Copyright © 2003 Keith Packard
4 * Permission to use, copy, modify, distribute, and sell this software and its
5 * documentation for any purpose is hereby granted without fee, provided that
6 * the above copyright notice appear in all copies and that both that
7 * copyright notice and this permission notice appear in supporting
8 * documentation, and that the name of Keith Packard not be used in
9 * advertising or publicity pertaining to distribution of the software without
10 * specific, written prior permission. Keith Packard makes no
11 * representations about the suitability of this software for any purpose. It
12 * is provided "as is" without express or implied warranty.
14 * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
15 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
16 * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
17 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
18 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
19 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
20 * PERFORMANCE OF THIS SOFTWARE.
23 #ifndef _XDAMAGEINT_H_
24 #define _XDAMAGEINT_H_
28 #include <X11/Xlibint.h>
29 #include <X11/Xutil.h>
30 #include <X11/extensions/damageproto.h>
33 typedef struct _XDamageExtDisplayInfo {
34 struct _XDamageExtDisplayInfo *next; /* keep a linked list */
35 Display *display; /* which display this is */
36 XExtCodes *codes; /* the extension protocol codes */
37 int major_version; /* -1 means we don't know */
38 int minor_version; /* -1 means we don't know */
39 } XDamageExtDisplayInfo;
41 /* replaces XExtensionInfo */
42 typedef struct _XDamageExtInfo {
43 XDamageExtDisplayInfo *head; /* start of the list */
44 XDamageExtDisplayInfo *cur; /* most recently used */
45 int ndisplays; /* number of displays */
48 extern XDamageExtInfo XDamageExtensionInfo;
49 extern const char XDamageExtensionName[];
51 XDamageExtDisplayInfo *
52 XDamageFindDisplay (Display *dpy);
54 #define XDamageHasExtension(i) ((i) && ((i)->codes))
56 #define XDamageCheckExtension(dpy,i,val) \
57 if (!XDamageHasExtension(i)) { return val; }
59 #define XDamageSimpleCheckExtension(dpy,i) \
60 if (!XDamageHasExtension(i)) { return; }
62 #endif /* _XDAMAGEINT_H_ */