1 | /**************************************************************************** |
2 | ** |
3 | ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). |
4 | ** Contact: http://www.qt-project.org/legal |
5 | ** |
6 | ** This file is part of the QtOpenGL module of the Qt Toolkit. |
7 | ** |
8 | ** $QT_BEGIN_LICENSE:LGPL$ |
9 | ** Commercial License Usage |
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15 | ** use the contact form at http://qt.digia.com/contact-us. |
16 | ** |
17 | ** GNU Lesser General Public License Usage |
18 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
19 | ** General Public License version 2.1 as published by the Free Software |
20 | ** Foundation and appearing in the file LICENSE.LGPL included in the |
21 | ** packaging of this file. Please review the following information to |
22 | ** ensure the GNU Lesser General Public License version 2.1 requirements |
23 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
24 | ** |
25 | ** In addition, as a special exception, Digia gives you certain additional |
26 | ** rights. These rights are described in the Digia Qt LGPL Exception |
27 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
28 | ** |
29 | ** GNU General Public License Usage |
30 | ** Alternatively, this file may be used under the terms of the GNU |
31 | ** General Public License version 3.0 as published by the Free Software |
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33 | ** packaging of this file. Please review the following information to |
34 | ** ensure the GNU General Public License version 3.0 requirements will be |
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36 | ** |
37 | ** |
38 | ** $QT_END_LICENSE$ |
39 | ** |
40 | ****************************************************************************/ |
41 | |
42 | #include "qgraphicssystem_gl_p.h" |
43 | #include <QGraphicsView> |
44 | |
45 | #include "private/qpixmap_raster_p.h" |
46 | #include "private/qpixmapdata_gl_p.h" |
47 | #include "private/qwindowsurface_gl_p.h" |
48 | #include "private/qgl_p.h" |
49 | #include <private/qwindowsurface_raster_p.h> |
50 | |
51 | #if defined(Q_WS_X11) && !defined(QT_NO_EGL) |
52 | #include "private/qpixmapdata_x11gl_p.h" |
53 | #include "private/qwindowsurface_x11gl_p.h" |
54 | #endif |
55 | |
56 | #if defined(Q_OS_SYMBIAN) |
57 | #include <QtGui/private/qapplication_p.h> |
58 | #include "private/qgltexturepool_p.h" |
59 | #endif |
60 | |
61 | QT_BEGIN_NAMESPACE |
62 | |
63 | extern QGLWidget *qt_gl_getShareWidget(); |
64 | |
65 | QPixmapData *QGLGraphicsSystem::createPixmapData(QPixmapData::PixelType type) const |
66 | { |
67 | return new QGLPixmapData(type); |
68 | } |
69 | |
70 | QWindowSurface *QGLGraphicsSystem::createWindowSurface(QWidget *widget) const |
71 | { |
72 | #ifdef Q_WS_WIN |
73 | // On Windows the QGLWindowSurface class can't handle |
74 | // drop shadows and native effects, e.g. fading a menu in/out using |
75 | // top level window opacity. |
76 | if (widget->windowType() == Qt::Popup) |
77 | return new QRasterWindowSurface(widget); |
78 | #endif |
79 | |
80 | #if defined(Q_WS_X11) && !defined(QT_NO_EGL) |
81 | if (m_useX11GL && QX11GLPixmapData::hasX11GLPixmaps()) { |
82 | // If the widget is a QGraphicsView which will be re-drawing the entire |
83 | // scene each frame anyway, we should use QGLWindowSurface as this may |
84 | // provide proper buffer flipping, which should be faster than QX11GL's |
85 | // blitting approach: |
86 | QGraphicsView* qgv = qobject_cast<QGraphicsView*>(widget); |
87 | if (qgv && qgv->viewportUpdateMode() == QGraphicsView::FullViewportUpdate) |
88 | return new QGLWindowSurface(widget); |
89 | else |
90 | return new QX11GLWindowSurface(widget); |
91 | } |
92 | #endif |
93 | |
94 | #if defined(Q_OS_SYMBIAN) |
95 | if (!QApplicationPrivate::instance()->useTranslucentEGLSurfaces) { |
96 | QWidgetPrivate *d = qt_widget_private(widget); |
97 | if (!d->isOpaque && widget->testAttribute(Qt::WA_TranslucentBackground)) |
98 | return d->createDefaultWindowSurface_sys(); |
99 | } |
100 | #endif |
101 | |
102 | return new QGLWindowSurface(widget); |
103 | } |
104 | #ifdef Q_OS_SYMBIAN |
105 | void QGLGraphicsSystem::releaseCachedGpuResources() |
106 | { |
107 | QGLTexturePool::instance()->hibernate(); |
108 | } |
109 | |
110 | QGraphicsSystemEx* QGLGraphicsSystem::platformExtension() |
111 | { |
112 | return this; |
113 | } |
114 | #endif |
115 | |
116 | QT_END_NAMESPACE |
117 | |
118 | |