1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#ifndef _GLX_context_h_
#define _GLX_context_h_
/*
* SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
* Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice including the dates of first publication and
* either this permission notice or a reference to
* http://oss.sgi.com/projects/FreeB/
* shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Except as contained in this notice, the name of Silicon Graphics, Inc.
* shall not be used in advertising or otherwise to promote the sale, use or
* other dealings in this Software without prior written authorization from
* Silicon Graphics, Inc.
*/
typedef struct __GLXtextureFromPixmap __GLXtextureFromPixmap;
struct __GLXtextureFromPixmap {
int (*bindTexImage) (__GLXcontext * baseContext,
int buffer, __GLXdrawable * pixmap);
int (*releaseTexImage) (__GLXcontext * baseContext,
int buffer, __GLXdrawable * pixmap);
};
struct __GLXcontext {
void (*destroy) (__GLXcontext * context);
int (*makeCurrent) (__GLXcontext * context);
int (*loseCurrent) (__GLXcontext * context);
int (*copy) (__GLXcontext * dst, __GLXcontext * src, unsigned long mask);
Bool (*wait) (__GLXcontext * context, __GLXclientState * cl, int *error);
__GLXtextureFromPixmap *textureFromPixmap;
/*
** list of context structs
*/
__GLXcontext *next;
/*
** config struct for this context
*/
__GLXconfig *config;
/*
** Pointer to screen info data for this context. This is set
** when the context is created.
*/
__GLXscreen *pGlxScreen;
/*
** The XID of this context.
*/
XID id;
/*
** The XID of the shareList context.
*/
XID share_id;
/*
** Whether this context's ID still exists.
*/
GLboolean idExists;
/*
** Whether this context is current for some client.
*/
GLboolean isCurrent;
/*
** Whether this context is a direct rendering context.
*/
GLboolean isDirect;
/*
** This flag keeps track of whether there are unflushed GL commands.
*/
GLboolean hasUnflushedCommands;
/*
** Current rendering mode for this context.
*/
GLenum renderMode;
/**
* Reset notification strategy used when a GPU reset occurs.
*/
GLenum resetNotificationStrategy;
/*
** Buffers for feedback and selection.
*/
GLfloat *feedbackBuf;
GLint feedbackBufSize; /* number of elements allocated */
GLuint *selectBuf;
GLint selectBufSize; /* number of elements allocated */
/*
** The drawable private this context is bound to
*/
__GLXdrawable *drawPriv;
__GLXdrawable *readPriv;
};
extern int validGlxScreen(ClientPtr client, int screen,
__GLXscreen ** pGlxScreen, int *err);
extern int validGlxFBConfig(ClientPtr client, __GLXscreen * pGlxScreen,
XID id, __GLXconfig ** config, int *err);
extern int validGlxContext(ClientPtr client, XID id, int access_mode,
__GLXcontext ** context, int *err);
extern __GLXcontext *__glXdirectContextCreate(__GLXscreen * screen,
__GLXconfig * modes,
__GLXcontext * shareContext);
#endif /* !__GLX_context_h__ */
|
