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
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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, Nokia gives you certain additional
** rights. These rights are described in the Nokia 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QOPENGLFRAMEBUFFEROBJECT_H
#define QOPENGLFRAMEBUFFEROBJECT_H
#include <QtGui/qopengl.h>
#include <QtGui/qpaintdevice.h>
#include <QtCore/qscopedpointer.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
class QOpenGLFramebufferObjectPrivate;
class QOpenGLFramebufferObjectFormat;
class Q_GUI_EXPORT QOpenGLFramebufferObject
{
Q_DECLARE_PRIVATE(QOpenGLFramebufferObject)
public:
enum Attachment {
NoAttachment,
CombinedDepthStencil,
Depth
};
QOpenGLFramebufferObject(const QSize &size, GLenum target = GL_TEXTURE_2D);
QOpenGLFramebufferObject(int width, int height, GLenum target = GL_TEXTURE_2D);
#if !defined(QT_OPENGL_ES) || defined(Q_QDOC)
QOpenGLFramebufferObject(const QSize &size, Attachment attachment,
GLenum target = GL_TEXTURE_2D, GLenum internal_format = GL_RGBA8);
QOpenGLFramebufferObject(int width, int height, Attachment attachment,
GLenum target = GL_TEXTURE_2D, GLenum internal_format = GL_RGBA8);
#else
QOpenGLFramebufferObject(const QSize &size, Attachment attachment,
GLenum target = GL_TEXTURE_2D, GLenum internal_format = GL_RGBA);
QOpenGLFramebufferObject(int width, int height, Attachment attachment,
GLenum target = GL_TEXTURE_2D, GLenum internal_format = GL_RGBA);
#endif
QOpenGLFramebufferObject(const QSize &size, const QOpenGLFramebufferObjectFormat &format);
QOpenGLFramebufferObject(int width, int height, const QOpenGLFramebufferObjectFormat &format);
virtual ~QOpenGLFramebufferObject();
QOpenGLFramebufferObjectFormat format() const;
bool isValid() const;
bool isBound() const;
bool bind();
bool release();
int width() const { return size().width(); }
int height() const { return size().height(); }
GLuint texture() const;
QSize size() const;
QImage toImage() const;
Attachment attachment() const;
GLuint handle() const;
static bool bindDefault();
static bool hasOpenGLFramebufferObjects();
static bool hasOpenGLFramebufferBlit();
static void blitFramebuffer(QOpenGLFramebufferObject *target, const QRect &targetRect,
QOpenGLFramebufferObject *source, const QRect &sourceRect,
GLbitfield buffers = GL_COLOR_BUFFER_BIT,
GLenum filter = GL_NEAREST);
static void blitFramebuffer(QOpenGLFramebufferObject *target,
QOpenGLFramebufferObject *source,
GLbitfield buffers = GL_COLOR_BUFFER_BIT,
GLenum filter = GL_NEAREST);
private:
Q_DISABLE_COPY(QOpenGLFramebufferObject)
QScopedPointer<QOpenGLFramebufferObjectPrivate> d_ptr;
friend class QOpenGLPaintDevice;
friend class QOpenGLFBOGLPaintDevice;
};
class QOpenGLFramebufferObjectFormatPrivate;
class Q_GUI_EXPORT QOpenGLFramebufferObjectFormat
{
public:
QOpenGLFramebufferObjectFormat();
QOpenGLFramebufferObjectFormat(const QOpenGLFramebufferObjectFormat &other);
QOpenGLFramebufferObjectFormat &operator=(const QOpenGLFramebufferObjectFormat &other);
~QOpenGLFramebufferObjectFormat();
void setSamples(int samples);
int samples() const;
void setMipmap(bool enabled);
bool mipmap() const;
void setAttachment(QOpenGLFramebufferObject::Attachment attachment);
QOpenGLFramebufferObject::Attachment attachment() const;
void setTextureTarget(GLenum target);
GLenum textureTarget() const;
void setInternalTextureFormat(GLenum internalTextureFormat);
GLenum internalTextureFormat() const;
bool operator==(const QOpenGLFramebufferObjectFormat& other) const;
bool operator!=(const QOpenGLFramebufferObjectFormat& other) const;
private:
QOpenGLFramebufferObjectFormatPrivate *d;
void detach();
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QOPENGLFRAMEBUFFEROBJECT_H
|
