1/*
2 * Mesa 3-D graphics library
3 * Version:  7.1
4 *
5 * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
21 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25
26#ifndef _GLAPI_PRIV_H
27#define _GLAPI_PRIV_H
28
29#include <stdlib.h>
30#include <string.h>
31#include <stdio.h>
32
33#ifdef HAVE_DIX_CONFIG_H
34#include <dix-config.h>
35#include "glapi/mesa.h"
36#else /* HAVE_DIX_CONFIG_H */
37#define GL_GLEXT_PROTOTYPES
38#include "GL/gl.h"
39#include "GL/glext.h"
40
41#ifndef GL_OES_fixed_point
42typedef int GLfixed;
43typedef int GLclampx;
44#endif
45
46#ifndef GL_OES_EGL_image
47typedef void *GLeglImageOES;
48#endif
49
50#endif /* HAVE_DIX_CONFIG_H */
51
52#include "glapi/glapi.h"
53
54
55/* getproc */
56
57extern void
58_glapi_check_table_not_null(const struct _glapi_table *table);
59
60
61extern void
62_glapi_check_table(const struct _glapi_table *table);
63
64
65/* entrypoint */
66
67extern void
68init_glapi_relocs_once(void);
69
70
71extern _glapi_proc
72generate_entrypoint(unsigned int functionOffset);
73
74
75extern void
76fill_in_entrypoint_offset(_glapi_proc entrypoint, unsigned int offset);
77
78
79extern _glapi_proc
80get_entrypoint_address(unsigned int functionOffset);
81
82
83/**
84 * Size (in bytes) of dispatch function (entrypoint).
85 */
86#if defined(USE_X86_ASM)
87# if defined(GLX_USE_TLS)
88#  define DISPATCH_FUNCTION_SIZE  16
89# elif defined(THREADS)
90#  define DISPATCH_FUNCTION_SIZE  32
91# else
92#  define DISPATCH_FUNCTION_SIZE  16
93# endif
94#endif
95
96#if defined(USE_X64_64_ASM)
97# if defined(GLX_USE_TLS)
98#  define DISPATCH_FUNCTION_SIZE  16
99# endif
100#endif
101
102
103/**
104 * Number of extension functions which we can dynamically add at runtime.
105 *
106 * Number of extension functions is also subject to the size of backing exec
107 * mem we allocate. For the common case of dispatch stubs with size 16 bytes,
108 * the two limits will be hit simultaneously. For larger dispatch function
109 * sizes, MAX_EXTENSION_FUNCS is effectively reduced.
110 */
111#define MAX_EXTENSION_FUNCS 256
112
113
114#endif
115