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
|
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** 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_P_H
#define QOPENGLFRAMEBUFFEROBJECT_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of the QLibrary class. This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//
QT_BEGIN_NAMESPACE
QT_BEGIN_INCLUDE_NAMESPACE
#include <qopenglframebufferobject.h>
#include <private/qopenglcontext_p.h>
#include <private/qopenglextensions_p.h>
QT_END_INCLUDE_NAMESPACE
#ifndef QT_OPENGL_ES
#define DEFAULT_FORMAT GL_RGBA8
#else
#define DEFAULT_FORMAT GL_RGBA
#endif
class QOpenGLFramebufferObjectFormatPrivate
{
public:
QOpenGLFramebufferObjectFormatPrivate()
: ref(1),
samples(0),
attachment(QOpenGLFramebufferObject::NoAttachment),
target(GL_TEXTURE_2D),
internal_format(DEFAULT_FORMAT),
mipmap(false)
{
}
QOpenGLFramebufferObjectFormatPrivate
(const QOpenGLFramebufferObjectFormatPrivate *other)
: ref(1),
samples(other->samples),
attachment(other->attachment),
target(other->target),
internal_format(other->internal_format),
mipmap(other->mipmap)
{
}
bool equals(const QOpenGLFramebufferObjectFormatPrivate *other)
{
return samples == other->samples &&
attachment == other->attachment &&
target == other->target &&
internal_format == other->internal_format &&
mipmap == other->mipmap;
}
QAtomicInt ref;
int samples;
QOpenGLFramebufferObject::Attachment attachment;
GLenum target;
GLenum internal_format;
uint mipmap : 1;
};
class QOpenGLFramebufferObjectPrivate
{
public:
QOpenGLFramebufferObjectPrivate() : fbo_guard(0), texture_guard(0), depth_buffer_guard(0)
, stencil_buffer_guard(0), color_buffer_guard(0)
, valid(false) {}
~QOpenGLFramebufferObjectPrivate() {}
void init(QOpenGLFramebufferObject *q, const QSize& sz,
QOpenGLFramebufferObject::Attachment attachment,
GLenum internal_format, GLenum texture_target,
GLint samples = 0, bool mipmap = false);
void initAttachments(QOpenGLContext *ctx, QOpenGLFramebufferObject::Attachment attachment);
bool checkFramebufferStatus(QOpenGLContext *ctx) const;
QOpenGLSharedResourceGuard *fbo_guard;
QOpenGLSharedResourceGuard *texture_guard;
QOpenGLSharedResourceGuard *depth_buffer_guard;
QOpenGLSharedResourceGuard *stencil_buffer_guard;
QOpenGLSharedResourceGuard *color_buffer_guard;
GLenum target;
QSize size;
QOpenGLFramebufferObjectFormat format;
uint valid : 1;
QOpenGLFramebufferObject::Attachment fbo_attachment;
QOpenGLExtensions funcs;
inline GLuint fbo() const { return fbo_guard ? fbo_guard->id() : 0; }
};
QT_END_NAMESPACE
#endif // QOPENGLFRAMEBUFFEROBJECT_P_H
|
