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45 #include <QtQuick/qtquickglobal.h>
46 #include <qopenglshaderprogram.h>
54 class Q_QUICK_EXPORT QSGMaterialShader
57 class Q_QUICK_EXPORT RenderState {
64 Q_DECLARE_FLAGS(DirtyStates, DirtyState)
66 inline DirtyStates dirtyStates() const { return m_dirty; }
68 inline bool isMatrixDirty() const { return m_dirty & DirtyMatrix; }
69 inline bool isOpacityDirty() const { return m_dirty & DirtyOpacity; }
71 float opacity() const;
72 QMatrix4x4 combinedMatrix() const;
73 QMatrix4x4 modelViewMatrix() const;
74 QRect viewportRect() const;
75 QRect deviceRect() const;
77 QOpenGLContext *context() const;
80 friend class QSGRenderer;
87 virtual void activate();
88 virtual void deactivate();
89 // First time a material is used, oldMaterial is null.
90 virtual void updateState(const RenderState &state, QSGMaterial *newMaterial, QSGMaterial *oldMaterial);
91 virtual char const *const *attributeNames() const = 0; // Array must end with null.
93 inline QOpenGLShaderProgram *program() { return &m_program; }
97 friend class QSGContext;
99 virtual void compile();
100 virtual void initialize() { }
102 virtual const char *vertexShader() const = 0;
103 virtual const char *fragmentShader() const = 0;
106 QOpenGLShaderProgram m_program;
110 struct QSGMaterialType { };
112 class Q_QUICK_EXPORT QSGMaterial
117 RequiresDeterminant = 0x0002,
118 RequiresFullMatrix = 0x0004 | RequiresDeterminant
120 Q_DECLARE_FLAGS(Flags, Flag)
123 virtual ~QSGMaterial();
125 virtual QSGMaterialType *type() const = 0;
126 virtual QSGMaterialShader *createShader() const = 0;
127 virtual int compare(const QSGMaterial *other) const;
129 QSGMaterial::Flags flags() const { return m_flags; }
130 void setFlag(Flags flags, bool on = true);
135 Q_DISABLE_COPY(QSGMaterial)
138 Q_DECLARE_OPERATORS_FOR_FLAGS(QSGMaterial::Flags)
139 Q_DECLARE_OPERATORS_FOR_FLAGS(QSGMaterialShader::RenderState::DirtyStates)