blob: 27138665a89891e74b1176ed6391b2d5ba85a099 (
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
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
|
/****************************************************************************
**
** Copyright (C) 2011 - 2012 Research In Motion <blackberry-qt@qnx.com>
** Contact: http://www.qt-project.org/
**
** This file is part of the QtCore 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.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
//#define QBBGLWINDOWSURFACE_DEBUG
#include "qbbglwindowsurface.h"
#include "qbbglcontext.h"
#include "qbbwindow.h"
#include <QtGui/QWidget>
#include <QtOpenGL/private/qgl_p.h>
#include <QGLContext>
#include <QDebug>
#include <errno.h>
QT_BEGIN_NAMESPACE
QBBGLPaintDevice::QBBGLPaintDevice(QBBGLContext* platformGlContext)
: mPlatformGlContext(platformGlContext)
{
// create GL context from platform GL context
mGlContext = QGLContext::fromPlatformGLContext(mPlatformGlContext);
}
QBBGLPaintDevice::~QBBGLPaintDevice()
{
// cleanup GL context
delete mGlContext;
}
QPaintEngine *QBBGLPaintDevice::paintEngine() const
{
// select a paint engine based on configued OpenGL version
return qt_qgl_paint_engine();
}
QSize QBBGLPaintDevice::size() const
{
// get size of EGL surface
return mPlatformGlContext->surfaceSize();
}
QBBGLWindowSurface::QBBGLWindowSurface(QWidget *window)
: QWindowSurface(window)
{
#if defined(QBBGLWINDOWSURFACE_DEBUG)
qDebug() << "QBBGLWindowSurface::QBBGLWindowSurface - w=" << window;
#endif
// extract GL context associated with window
mPlatformGlContext = static_cast<QBBGLContext*>(window->platformWindow()->glContext());
// create an OpenGL paint device
mPaintDevice = new QBBGLPaintDevice(mPlatformGlContext);
}
QBBGLWindowSurface::~QBBGLWindowSurface()
{
#if defined(QBBGLWINDOWSURFACE_DEBUG)
qDebug() << "QBBGLWindowSurface::~QBBGLWindowSurface - w=" << window();
#endif
// cleanup OpenGL paint device
delete mPaintDevice;
}
void QBBGLWindowSurface::flush(QWidget *widget, const QRegion ®ion, const QPoint &offset)
{
Q_UNUSED(widget);
Q_UNUSED(region);
Q_UNUSED(offset);
#if defined(QBBGLWINDOWSURFACE_DEBUG)
qDebug() << "QBBGLWindowSurface::flush - w=" << window();
#endif
// update the display with newly rendered content
mPlatformGlContext->swapBuffers();
}
void QBBGLWindowSurface::resize(const QSize &size)
{
#if defined(QBBGLWINDOWSURFACE_DEBUG)
qDebug() << "QBBGLWindowSurface::resize - w=" << window() << ", s=" << size;
#endif
// call parent method
QWindowSurface::resize(size);
// NOTE: defer resizing window buffers until next paint as
// resize() can be called multiple times before a paint occurs
}
void QBBGLWindowSurface::beginPaint(const QRegion ®ion)
{
Q_UNUSED(region);
#if defined(QBBGLWINDOWSURFACE_DEBUG)
qDebug() << "QBBGLWindowSurface::beginPaint - w=" << window();
#endif
// resize EGL surface if window surface resized
QSize s = size();
if (s != mPlatformGlContext->surfaceSize()) {
mPlatformGlContext->resizeSurface(s);
}
}
void QBBGLWindowSurface::endPaint(const QRegion ®ion)
{
Q_UNUSED(region);
#if defined(QBBGLWINDOWSURFACE_DEBUG)
qDebug() << "QBBGLWindowSurface::endPaint - w=" << window();
#endif
}
QWindowSurface::WindowSurfaceFeatures QBBGLWindowSurface::features() const
{
// force full frame updates on every paint
return 0;
}
QT_END_NAMESPACE
|
