xdamageint.h revision 417cc7e8 
1/*
2 * Copyright © 2003 Keith Packard
3 *
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.
13 *
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.
21 */
22
23#ifndef _XDAMAGEINT_H_
24#define _XDAMAGEINT_H_
25
26#define NEED_EVENTS
27#define NEED_REPLIES
28#include <stdio.h>
29#include <X11/Xlib.h>
30#include <X11/Xlibint.h>
31#include <X11/Xutil.h>
32#include <X11/extensions/damageproto.h>
33#include "Xdamage.h"
34
35typedef struct _XDamageExtDisplayInfo {
36    struct _XDamageExtDisplayInfo  *next;    /* keep a linked list */
37    Display                 *display;	    /* which display this is */
38    XExtCodes               *codes;	    /* the extension protocol codes */
39    int			    major_version;  /* -1 means we don't know */
40    int			    minor_version;  /* -1 means we don't know */
41} XDamageExtDisplayInfo;
42
43/* replaces XExtensionInfo */
44typedef struct _XDamageExtInfo {
45    XDamageExtDisplayInfo    *head;          /* start of the list */
46    XDamageExtDisplayInfo    *cur;           /* most recently used */
47    int                     ndisplays;      /* number of displays */
48} XDamageExtInfo;
49
50extern XDamageExtInfo XDamageExtensionInfo;
51extern const char XDamageExtensionName[];
52
53XDamageExtDisplayInfo *
54XDamageFindDisplay (Display *dpy);
55
56#define XDamageHasExtension(i) ((i) && ((i)->codes))
57
58#define XDamageCheckExtension(dpy,i,val) \
59  if (!XDamageHasExtension(i)) { return val; }
60
61#define XDamageSimpleCheckExtension(dpy,i) \
62  if (!XDamageHasExtension(i)) { return; }
63
64#endif /* _XDAMAGEINT_H_ */
65