Xrenderint.h revision 1f0ac6a5 
1/*
2 *
3 * Copyright © 2000 SuSE, Inc.
4 *
5 * Permission to use, copy, modify, distribute, and sell this software and its
6 * documentation for any purpose is hereby granted without fee, provided that
7 * the above copyright notice appear in all copies and that both that
8 * copyright notice and this permission notice appear in supporting
9 * documentation, and that the name of SuSE not be used in advertising or
10 * publicity pertaining to distribution of the software without specific,
11 * written prior permission.  SuSE makes no representations about the
12 * suitability of this software for any purpose.  It is provided "as is"
13 * without express or implied warranty.
14 *
15 * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
17 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
18 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
19 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
20 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21 *
22 * Author:  Keith Packard, SuSE, Inc.
23 */
24
25#ifndef _XRENDERINT_H_
26#define _XRENDERINT_H_
27
28#include "config.h"
29#define NEED_EVENTS
30#define NEED_REPLIES
31#include <X11/Xlibint.h>
32#include <X11/Xutil.h>
33#include <X11/extensions/renderproto.h>
34#include "Xrender.h"
35
36typedef struct {
37    Visual		*visual;
38    XRenderPictFormat	*format;
39} XRenderVisual;
40
41typedef struct {
42    int			depth;
43    int			nvisuals;
44    XRenderVisual	*visuals;
45} XRenderDepth;
46
47typedef struct {
48    XRenderDepth	*depths;
49    int			ndepths;
50    XRenderPictFormat	*fallback;
51    int			subpixel;
52} XRenderScreen;
53
54typedef struct _XRenderInfo {
55    int			major_version;
56    int			minor_version;
57    XRenderPictFormat	*format;
58    int			nformat;
59    XRenderScreen	*screen;
60    int			nscreen;
61    XRenderDepth	*depth;
62    int			ndepth;
63    XRenderVisual	*visual;
64    int			nvisual;
65    int			*subpixel;
66    int			nsubpixel;
67    char		**filter;
68    int			nfilter;
69    short    		*filter_alias;
70    int			nfilter_alias;
71} XRenderInfo;
72
73/* replaces XRenderExtDisplayInfo */
74typedef struct _XRenderExtDisplayInfo {
75    struct _XRenderExtDisplayInfo *next;    /* keep a linked list */
76    Display                       *display; /* which display this is */
77    XExtCodes                     *codes;   /* the extension protocol codes */
78    XRenderInfo                   *info;    /* extra data for the extension to use */
79} XRenderExtDisplayInfo;
80
81/* replaces XExtensionInfo */
82typedef struct _XRenderExtInfo {
83    XRenderExtDisplayInfo  *head;           /* start of the list */
84    XRenderExtDisplayInfo  *cur;            /* most recently used */
85    int                     ndisplays;      /* number of displays */
86} XRenderExtInfo;
87
88extern XRenderExtInfo XRenderExtensionInfo;
89extern char XRenderExtensionName[];
90
91XRenderExtDisplayInfo *
92XRenderFindDisplay (Display *dpy);
93
94#define RenderHasExtension(i) ((i) && ((i)->codes))
95
96#define RenderCheckExtension(dpy,i,val) \
97  if (!RenderHasExtension(i)) { return val; }
98
99#define RenderSimpleCheckExtension(dpy,i) \
100  if (!RenderHasExtension(i)) { return; }
101
102/*
103 * Xlib uses long for 32-bit values.  Xrender uses int.  This
104 * matters on alpha.  Note that this macro assumes that int is 32 bits
105 * except on WORD64 machines where it is 64 bits.
106 */
107
108#ifdef WORD64
109#define DataInt32(dpy,d,len)	Data32(dpy,(long *) (d),len)
110#else
111#define DataInt32(dpy,d,len)	Data(dpy,(char *) (d),len)
112#endif
113
114#endif /* _XRENDERINT_H_ */
115