blob: e1d36662d1886fe11572c96b71851d2b7364d639 (
plain)
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
|
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QOPENGL_H
#define QOPENGL_H
#ifndef QT_NO_OPENGL
#include <QtCore/qglobal.h>
#if defined(QT_OPENGL_ES_2)
# if defined(Q_OS_MAC)
# include <OpenGLES/ES2/gl.h>
# else
# include <GLES2/gl2.h>
# endif
/*
Some GLES2 implementations (like the one on Harmattan) are missing the
typedef for GLchar. Work around it here by adding it. The Kkronos headers
specify GLChar as a typedef to char, so if an implementation already
provides it, then this doesn't do any harm.
*/
typedef char GLchar;
# include <QtGui/qopengles2ext.h>
# ifndef GL_DOUBLE
# define GL_DOUBLE GL_FLOAT
# endif
# ifndef GLdouble
typedef GLfloat GLdouble;
# endif
#else
// Mac OSX is a "controlled platform" for OpenGL ABI so we use
// the system provided headers there. Controlled means that the
// headers always match the actual driver implementation so there
// is no possibility of drivers exposing additional functionality
// from the system headers. Also it means that the vendor can
// (and does) make different choices about some OpenGL types. For
// e.g. Apple uses void* for GLhandleARB whereas other platforms
// use unsigned int.
//
// For the "uncontrolled" Windows and Linux platforms we use the
// official Khronos glext.h header. On these platforms this gives
// access to additional functionality the drivers may expose but
// which the system headers do not.
# if defined(Q_OS_MAC)
# include <OpenGL/gl.h>
# if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
# define GL_DO_NOT_WARN_IF_MULTI_GL_VERSION_HEADERS_INCLUDED
# include <OpenGL/gl3.h>
# endif
# include <OpenGL/glext.h>
# else
# if defined(Q_OS_WIN)
# include <QtCore/qt_windows.h>
# endif
# define GL_GLEXT_LEGACY // Prevents GL/gl.h form #including system glext.h
# include <GL/gl.h>
# include <QtGui/qopenglext.h>
# endif // Q_OS_MAC
#endif
// Desktops, apart from Mac OS X prior to 10.7 can support OpenGL 3
#if !defined(QT_OPENGL_ES_2)
# if !defined(Q_OS_MAC) || (defined(Q_OS_MAC) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7)
# define QT_OPENGL_3
# endif
#endif
QT_BEGIN_NAMESPACE
// Types that aren't defined in all system's gl.h files.
typedef ptrdiff_t qopengl_GLintptr;
typedef ptrdiff_t qopengl_GLsizeiptr;
#if defined(APIENTRY) && !defined(QOPENGLF_APIENTRY)
# define QOPENGLF_APIENTRY APIENTRY
#endif
# ifndef QOPENGLF_APIENTRYP
# ifdef QOPENGLF_APIENTRY
# define QOPENGLF_APIENTRYP QOPENGLF_APIENTRY *
# else
# define QOPENGLF_APIENTRY
# define QOPENGLF_APIENTRYP *
# endif
# endif
QT_END_NAMESPACE
#endif // QT_NO_OPENGL
#endif // QOPENGL_H
|
