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
|
/*
* Mesa 3-D graphics library
* Version: 7.1
*
* Copyright (C) 1999-2008 Brian Paul 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 and this permission notice 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
* BRIAN PAUL 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.
*/
#ifndef _GLAPI_PRIV_H
#define _GLAPI_PRIV_H
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#include "glapi/mesa.h"
#else /* HAVE_DIX_CONFIG_H */
#define GL_GLEXT_PROTOTYPES
#include "GL/gl.h"
#include "GL/glext.h"
#ifndef GL_OES_fixed_point
typedef int GLfixed;
typedef int GLclampx;
#endif
#ifndef GL_OES_EGL_image
typedef void *GLeglImageOES;
#endif
#endif /* HAVE_DIX_CONFIG_H */
#include "glapi/glapi.h"
/* getproc */
extern void
_glapi_check_table_not_null(const struct _glapi_table *table);
extern void
_glapi_check_table(const struct _glapi_table *table);
/* entrypoint */
extern void
init_glapi_relocs_once(void);
extern _glapi_proc
generate_entrypoint(unsigned int functionOffset);
extern void
fill_in_entrypoint_offset(_glapi_proc entrypoint, unsigned int offset);
extern _glapi_proc
get_entrypoint_address(unsigned int functionOffset);
/**
* Size (in bytes) of dispatch function (entrypoint).
*/
#if defined(USE_X86_ASM)
# if defined(GLX_USE_TLS)
# define DISPATCH_FUNCTION_SIZE 16
# elif defined(THREADS)
# define DISPATCH_FUNCTION_SIZE 32
# else
# define DISPATCH_FUNCTION_SIZE 16
# endif
#endif
#if defined(USE_X64_64_ASM)
# if defined(GLX_USE_TLS)
# define DISPATCH_FUNCTION_SIZE 16
# endif
#endif
/**
* Number of extension functions which we can dynamically add at runtime.
*
* Number of extension functions is also subject to the size of backing exec
* mem we allocate. For the common case of dispatch stubs with size 16 bytes,
* the two limits will be hit simultaneously. For larger dispatch function
* sizes, MAX_EXTENSION_FUNCS is effectively reduced.
*/
#define MAX_EXTENSION_FUNCS 256
#endif
|
