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45 #include <qglshaderprogram.h>
51 QT_MODULE(Declarative)
55 class Q_DECLARATIVE_EXPORT QSGMaterialShader
58 class Q_DECLARATIVE_EXPORT RenderState {
65 Q_DECLARE_FLAGS(DirtyStates, DirtyState)
67 inline DirtyStates dirtyState() const { return m_dirty; }
69 inline bool isMatrixDirty() const { return m_dirty & DirtyMatrix; }
70 inline bool isOpacityDirty() const { return m_dirty & DirtyOpacity; }
72 float opacity() const;
73 QMatrix4x4 combinedMatrix() const;
74 QMatrix4x4 modelViewMatrix() const;
75 QRect viewportRect() const;
76 QRect deviceRect() const;
78 const QGLContext *context() const;
81 friend class QSGRenderer;
88 virtual void activate();
89 virtual void deactivate();
90 // First time a material is used, oldMaterial is null.
91 virtual void updateState(const RenderState &state, QSGMaterial *newMaterial, QSGMaterial *oldMaterial);
92 virtual char const *const *attributeNames() const = 0; // Array must end with null.
96 virtual void initialize() { }
98 virtual const char *vertexShader() const = 0;
99 virtual const char *fragmentShader() const = 0;
101 QGLShaderProgram m_program;
106 struct QSGMaterialType { };
108 class Q_DECLARATIVE_EXPORT QSGMaterial
114 Q_DECLARE_FLAGS(Flags, Flag)
117 virtual ~QSGMaterial();
119 virtual QSGMaterialType *type() const = 0;
120 virtual QSGMaterialShader *createShader() const = 0;
121 virtual int compare(const QSGMaterial *other) const;
123 QSGMaterial::Flags flags() const { return m_flags; }
126 void setFlag(Flags flags, bool set);
131 Q_DISABLE_COPY(QSGMaterial)
134 Q_DECLARE_OPERATORS_FOR_FLAGS(QSGMaterial::Flags)
135 Q_DECLARE_OPERATORS_FOR_FLAGS(QSGMaterialShader::RenderState::DirtyStates)