1 /****************************************************************************
3 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
4 ** All rights reserved.
5 ** Contact: http://www.qt-project.org/
7 ** This file is part of the QtDeclarative module of the Qt Toolkit.
9 ** $QT_BEGIN_LICENSE:LGPL$
10 ** GNU Lesser General Public License Usage
11 ** This file may be used under the terms of the GNU Lesser General Public
12 ** License version 2.1 as published by the Free Software Foundation and
13 ** appearing in the file LICENSE.LGPL included in the packaging of this
14 ** file. Please review the following information to ensure the GNU Lesser
15 ** General Public License version 2.1 requirements will be met:
16 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
18 ** In addition, as a special exception, Nokia gives you certain additional
19 ** rights. These rights are described in the Nokia Qt LGPL Exception
20 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
22 ** GNU General Public License Usage
23 ** Alternatively, this file may be used under the terms of the GNU General
24 ** Public License version 3.0 as published by the Free Software Foundation
25 ** and appearing in the file LICENSE.GPL included in the packaging of this
26 ** file. Please review the following information to ensure the GNU General
27 ** Public License version 3.0 requirements will be met:
28 ** http://www.gnu.org/copyleft/gpl.html.
31 ** Alternatively, this file may be used in accordance with the terms and
32 ** conditions contained in a signed written agreement between you and Nokia.
40 ****************************************************************************/
45 #include <QtCore/QObject>
46 #include <QtCore/qabstractanimation.h>
48 #include <QtGui/QImage>
49 #include <QtGui/QSurfaceFormat>
51 #include <private/qrawfont_p.h>
53 #include <QtQuick/qsgnode.h>
60 class QSGContextPrivate;
61 class QSGRectangleNode;
65 class QSGDistanceFieldGlyphCache;
69 class QSGMaterialShader;
73 class QOpenGLFramebufferObject;
75 class QDeclarativeTextureFactory;
77 class Q_QUICK_EXPORT QSGContext : public QObject
80 Q_DECLARE_PRIVATE(QSGContext)
83 explicit QSGContext(QObject *parent = 0);
86 virtual void initialize(QOpenGLContext *context);
87 virtual void invalidate();
89 QOpenGLContext *glContext() const;
93 QSGMaterialShader *prepareMaterial(QSGMaterial *material);
95 virtual void renderNextFrame(QSGRenderer *renderer, QOpenGLFramebufferObject *fbo = 0);
97 virtual QSGDistanceFieldGlyphCache *createDistanceFieldGlyphCache(const QRawFont &font);
99 virtual QSGRectangleNode *createRectangleNode();
100 virtual QSGImageNode *createImageNode();
101 virtual QSGGlyphNode *createGlyphNode();
102 virtual QSGRenderer *createRenderer();
104 virtual QSGTexture *createTexture(const QImage &image = QImage()) const;
105 virtual QSize minimumFBOSize() const;
107 virtual QSurfaceFormat defaultSurfaceFormat() const;
109 QSGTexture *textureForFactory(QDeclarativeTextureFactory *factory);
111 static QSGContext *createDefaultContext();
113 void setFlashModeEnabled(bool enabled);
114 bool isFlashModeEnabled() const;
116 void setRenderAlpha(qreal renderAlpha);
117 qreal renderAlpha() const;
119 void setDistanceFieldEnabled(bool enabled);
120 bool isDistanceFieldEnabled() const;
122 virtual QAnimationDriver *createAnimationDriver(QObject *parent);
124 static QDeclarativeTextureFactory *createTextureFactoryFromImage(const QImage &image);
128 void textureFactoryDestroyed(QObject *o);
139 #endif // QSGCONTEXT_H