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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>
59 class QSGContextPrivate;
60 class QSGRectangleNode;
64 class QSGDistanceFieldGlyphCache;
68 class QSGMaterialShader;
72 class QOpenGLFramebufferObject;
74 class QDeclarativeTextureFactory;
76 class Q_QUICK_EXPORT QSGContext : public QObject
79 Q_DECLARE_PRIVATE(QSGContext)
82 explicit QSGContext(QObject *parent = 0);
85 virtual void initialize(QOpenGLContext *context);
87 QSGRenderer *renderer() const;
89 void setRootNode(QSGRootNode *node);
90 QSGRootNode *rootNode() const;
92 QOpenGLContext *glContext() const;
96 QSGMaterialShader *prepareMaterial(QSGMaterial *material);
98 virtual void renderNextFrame(QOpenGLFramebufferObject *fbo = 0);
100 virtual QSGDistanceFieldGlyphCache *createDistanceFieldGlyphCache(const QRawFont &font);
102 virtual QSGRectangleNode *createRectangleNode();
103 virtual QSGImageNode *createImageNode();
104 virtual QSGGlyphNode *createGlyphNode();
105 virtual QSGRenderer *createRenderer();
107 virtual bool canDecodeImageToTexture() const;
108 virtual QSGTexture *decodeImageToTexture(QIODevice *dev,
110 const QSize &requestSize);
111 virtual QSGTexture *createTexture(const QImage &image = QImage()) const;
112 virtual QSize minimumFBOSize() const;
114 virtual QSurfaceFormat defaultSurfaceFormat() const;
116 QSGTexture *textureForFactory(QDeclarativeTextureFactory *factory);
118 static QSGContext *createDefaultContext();
120 void setFlashModeEnabled(bool enabled);
121 bool isFlashModeEnabled() const;
123 void setRenderAlpha(qreal renderAlpha);
124 qreal renderAlpha() const;
126 void setDistanceFieldEnabled(bool enabled);
127 bool isDistanceFieldEnabled() const;
129 virtual QAnimationDriver *createAnimationDriver(QObject *parent);
135 void textureFactoryDestroyed(QObject *o);
142 #endif // QSGCONTEXT_H