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
|
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtOpenGL 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 QGLBUFFER_H
#define QGLBUFFER_H
#include <QtCore/qscopedpointer.h>
#include <QtOpenGL/qgl.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class QGLBufferPrivate;
class Q_OPENGL_EXPORT QGLBuffer
{
public:
enum Type
{
VertexBuffer = 0x8892, // GL_ARRAY_BUFFER
IndexBuffer = 0x8893, // GL_ELEMENT_ARRAY_BUFFER
PixelPackBuffer = 0x88EB, // GL_PIXEL_PACK_BUFFER
PixelUnpackBuffer = 0x88EC // GL_PIXEL_UNPACK_BUFFER
};
QGLBuffer();
explicit QGLBuffer(QGLBuffer::Type type);
QGLBuffer(const QGLBuffer &other);
~QGLBuffer();
QGLBuffer &operator=(const QGLBuffer &other);
enum UsagePattern
{
StreamDraw = 0x88E0, // GL_STREAM_DRAW
StreamRead = 0x88E1, // GL_STREAM_READ
StreamCopy = 0x88E2, // GL_STREAM_COPY
StaticDraw = 0x88E4, // GL_STATIC_DRAW
StaticRead = 0x88E5, // GL_STATIC_READ
StaticCopy = 0x88E6, // GL_STATIC_COPY
DynamicDraw = 0x88E8, // GL_DYNAMIC_DRAW
DynamicRead = 0x88E9, // GL_DYNAMIC_READ
DynamicCopy = 0x88EA // GL_DYNAMIC_COPY
};
enum Access
{
ReadOnly = 0x88B8, // GL_READ_ONLY
WriteOnly = 0x88B9, // GL_WRITE_ONLY
ReadWrite = 0x88BA // GL_READ_WRITE
};
QGLBuffer::Type type() const;
QGLBuffer::UsagePattern usagePattern() const;
void setUsagePattern(QGLBuffer::UsagePattern value);
bool create();
bool isCreated() const;
void destroy();
bool bind();
void release();
static void release(QGLBuffer::Type type);
GLuint bufferId() const;
int size() const;
bool read(int offset, void *data, int count);
void write(int offset, const void *data, int count);
void allocate(const void *data, int count);
inline void allocate(int count) { allocate(0, count); }
void *map(QGLBuffer::Access access);
bool unmap();
private:
QGLBufferPrivate *d_ptr;
Q_DECLARE_PRIVATE(QGLBuffer)
};
QT_END_NAMESPACE
QT_END_HEADER
#endif
|
