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Internal/Contributor docs for the Qt SDK. Note: These are NOT official API docs; those are found at https://doc.qt.io/
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QSGFramebufferObjectNode Class Reference
Inheritance diagram for QSGFramebufferObjectNode:
Collaboration diagram for QSGFramebufferObjectNode:

Public Slots

void render ()
void handleScreenChange ()
void render ()
void handleScreenChange ()
Public Slots inherited from QObject
void deleteLater ()
 \threadsafe

Public Member Functions

 QSGFramebufferObjectNode ()
 ~QSGFramebufferObjectNode ()
void scheduleRender ()
QSGTexturetexture () const override
 Returns a pointer to the texture object.
 QSGFramebufferObjectNode ()
 ~QSGFramebufferObjectNode ()
void scheduleRender ()
QSGTexturetexture () const override
 Returns a pointer to the texture object.
Public Member Functions inherited from QObject
Q_INVOKABLE QObject (QObject *parent=nullptr)
 Constructs an object with parent object parent.
virtual ~QObject ()
 Destroys the object, deleting all its child objects.
virtual bool event (QEvent *event)
 This virtual function receives events to an object and should return true if the event e was recognized and processed.
virtual bool eventFilter (QObject *watched, QEvent *event)
 Filters events if this object has been installed as an event filter for the watched object.
QString objectName () const
Q_WEAK_OVERLOAD void setObjectName (const QString &name)
 Sets the object's name to name.
void setObjectName (QAnyStringView name)
 This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
QBindable< QStringbindableObjectName ()
bool isWidgetType () const
 Returns true if the object is a widget; otherwise returns false.
bool isWindowType () const
 Returns true if the object is a window; otherwise returns false.
bool isQuickItemType () const
 Returns true if the object is a QQuickItem; otherwise returns false.
bool isQmlObjectType () const
 Returns whether the object has been created by the QML engine or ownership has been explicitly set via QJSEngine::setObjectOwnership().
bool signalsBlocked () const noexcept
 Returns true if signals are blocked; otherwise returns false.
bool blockSignals (bool b) noexcept
 If block is true, signals emitted by this object are blocked (i.e., emitting a signal will not invoke anything connected to it).
QThreadthread () const
 Returns the thread in which the object lives.
bool moveToThread (QThread *thread QT6_DECL_NEW_OVERLOAD_TAIL)
 Changes the thread affinity for this object and its children and returns true on success.
int startTimer (int interval, Qt::TimerType timerType=Qt::CoarseTimer)
 This is an overloaded function that will start a timer of type timerType and a timeout of interval milliseconds.
int startTimer (std::chrono::nanoseconds time, Qt::TimerType timerType=Qt::CoarseTimer)
void killTimer (int id)
 Kills the timer with timer identifier, id.
void killTimer (Qt::TimerId id)
template<typename T>
findChild (QAnyStringView aName, Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
 Returns the child of this object that can be cast into type T and that is called name, or \nullptr if there is no such object.
template<typename T>
QList< T > findChildren (QAnyStringView aName, Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
 Returns all children of this object with the given name that can be cast to type T, or an empty list if there are no such objects.
template<typename T>
findChild (Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
 This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
template<typename T>
QList< T > findChildren (Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
 This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
const QObjectListchildren () const
 Returns a list of child objects.
void setParent (QObject *parent)
 Makes the object a child of parent.
void installEventFilter (QObject *filterObj)
 Installs an event filter filterObj on this object.
void removeEventFilter (QObject *obj)
 Removes an event filter object obj from this object.
QMetaObject::Connection connect (const QObject *sender, const char *signal, const char *member, Qt::ConnectionType type=Qt::AutoConnection) const
bool disconnect (const char *signal=nullptr, const QObject *receiver=nullptr, const char *member=nullptr) const
bool disconnect (const QObject *receiver, const char *member=nullptr) const
void dumpObjectTree () const
 Dumps a tree of children to the debug output.
void dumpObjectInfo () const
 Dumps information about signal connections, etc.
bool setProperty (const char *name, const QVariant &value)
 Sets the value of the object's name property to value.
bool setProperty (const char *name, QVariant &&value)
QVariant property (const char *name) const
 Returns the value of the object's name property.
QList< QByteArraydynamicPropertyNames () const
QBindingStoragebindingStorage ()
const QBindingStoragebindingStorage () const
QObjectparent () const
 Returns a pointer to the parent object.
bool inherits (const char *classname) const
 Returns true if this object is an instance of a class that inherits className or a QObject subclass that inherits className; otherwise returns false.
Public Member Functions inherited from QSGSimpleTextureNode
 QSGSimpleTextureNode ()
 Constructs a new simple texture node.
 ~QSGSimpleTextureNode () override
 Destroys the texture node.
void setRect (const QRectF &rect)
 Sets the target rect of this texture node to r.
void setRect (qreal x, qreal y, qreal w, qreal h)
 This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.Sets the rectangle of this texture node to begin at (x, y) and have width w and height h.
QRectF rect () const
 Returns the target rect of this texture node.
void setSourceRect (const QRectF &r)
 Sets the source rect of this texture node to r.
void setSourceRect (qreal x, qreal y, qreal w, qreal h)
 This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
QRectF sourceRect () const
 Returns the source rect of this texture node.
void setTexture (QSGTexture *texture)
 Sets the texture of this texture node to texture.
QSGTexturetexture () const
 Returns the texture for this texture node.
void setFiltering (QSGTexture::Filtering filtering)
 Sets the filtering to be used for this texture node to filtering.
QSGTexture::Filtering filtering () const
 Returns the filtering currently set on this texture node.
void setTextureCoordinatesTransform (TextureCoordinatesTransformMode mode)
 Sets the method used to generate texture coordinates to mode.
TextureCoordinatesTransformMode textureCoordinatesTransform () const
 Returns the mode used to generate texture coordinates for this node.
void setOwnsTexture (bool owns)
 Sets whether the node takes ownership of the texture to owns.
bool ownsTexture () const
 Returns true if the node takes ownership of the texture; otherwise returns false.
Public Member Functions inherited from QSGGeometryNode
 QSGGeometryNode ()
 Creates a new geometry node without geometry and material.
 ~QSGGeometryNode () override
 Deletes this geometry node.
void setMaterial (QSGMaterial *material)
 Sets the material of this geometry node to material.
QSGMaterialmaterial () const
 Returns the material of the QSGGeometryNode.
void setOpaqueMaterial (QSGMaterial *material)
 Sets the opaque material of this geometry to material.
QSGMaterialopaqueMaterial () const
 Returns the opaque material of the QSGGeometryNode.
QSGMaterialactiveMaterial () const
 Returns the material which should currently be used for geometry node.
void setRenderOrder (int order)
 Sets the render order of this node to be order.
int renderOrder () const
 Returns the render order of this geometry node.
void setInheritedOpacity (qreal opacity)
 Sets the inherited opacity of this geometry to opacity.
qreal inheritedOpacity () const
 Set during rendering to specify the inherited opacity for that rendering pass.
Public Member Functions inherited from QSGBasicGeometryNode
 ~QSGBasicGeometryNode () override
 Deletes this QSGBasicGeometryNode.
void setGeometry (QSGGeometry *geometry)
 Sets the geometry of this node to geometry.
const QSGGeometrygeometry () const
 Returns this node's geometry.
QSGGeometrygeometry ()
 Returns this node's geometry.
const QMatrix4x4matrix () const
 Will be set during rendering to contain transformation of the geometry for that rendering pass.
const QSGClipNodeclipList () const
 Will be set during rendering to contain the clip of the geometry for that rendering pass.
void setRendererMatrix (const QMatrix4x4 *m)
void setRendererClipList (const QSGClipNode *c)
Public Member Functions inherited from QSGNode
 QSGNode ()
 Constructs a new node.
virtual ~QSGNode ()
 Destroys the node.
QSGNodeparent () const
 Returns the parent node of this node.
void removeChildNode (QSGNode *node)
 Removes node from this node's list of children.
void removeAllChildNodes ()
 Removes all child nodes from this node's list of children.
void prependChildNode (QSGNode *node)
 Prepends node to this node's the list of children.
void appendChildNode (QSGNode *node)
 Appends node to this node's list of children.
void insertChildNodeBefore (QSGNode *node, QSGNode *before)
 Inserts node to this node's list of children before the node specified with before.
void insertChildNodeAfter (QSGNode *node, QSGNode *after)
 Inserts node to this node's list of children after the node specified with after.
void reparentChildNodesTo (QSGNode *newParent)
int childCount () const
 Returns the number of child nodes.
QSGNodechildAtIndex (int i) const
 Returns the child at index i.
QSGNodefirstChild () const
 Returns the first child of this node.
QSGNodelastChild () const
 Returns the last child of this node.
QSGNodenextSibling () const
 Returns the node after this in the parent's list of children.
QSGNodepreviousSibling () const
 Returns the node before this in the parent's list of children.
NodeType type () const
 Returns the type of this node.
QT_DEPRECATED void clearDirty ()
void markDirty (DirtyState bits)
 Notifies all connected renderers that the node has dirty bits.
QT_DEPRECATED DirtyState dirtyState () const
virtual bool isSubtreeBlocked () const
 Returns whether this node and its subtree is available for use.
Flags flags () const
 Returns the set of flags for this node.
void setFlag (Flag, bool=true)
 Sets the flag f on this node if enabled is true; otherwise clears the flag.
void setFlags (Flags, bool=true)
 Sets the flags f on this node if enabled is true; otherwise clears the flags.
virtual void preprocess ()
 Override this function to do processing on the node before it is rendered.

Public Attributes

QQuickWindowwindow
QOpenGLFramebufferObjectfbo
QOpenGLFramebufferObjectmsDisplayFbo
QQuickFramebufferObject::Rendererrenderer
QQuickFramebufferObjectquickFbo
bool renderPending
bool invalidatePending
qreal devicePixelRatio

Additional Inherited Members

Public Types inherited from QSGSimpleTextureNode
enum  TextureCoordinatesTransformFlag { NoTransform = 0x00 , MirrorHorizontally = 0x01 , MirrorVertically = 0x02 }
 The TextureCoordinatesTransformFlag enum is used to specify the mode used to generate texture coordinates for a textured quad. More...
Public Types inherited from QSGNode
enum  NodeType {
  BasicNodeType , GeometryNodeType , TransformNodeType , ClipNodeType ,
  OpacityNodeType , RootNodeType , RenderNodeType
}
 Can be used to figure out the type of node. More...
enum  Flag {
  OwnedByParent = 0x0001 , UsePreprocess = 0x0002 , OwnsGeometry = 0x00010000 , OwnsMaterial = 0x00020000 ,
  OwnsOpaqueMaterial = 0x00040000 , IsVisitableNode = 0x01000000
}
 The QSGNode::Flag enum describes flags on the QSGNode. More...
enum  DirtyStateBit {
  DirtySubtreeBlocked = 0x0080 , DirtyMatrix = 0x0100 , DirtyNodeAdded = 0x0400 , DirtyNodeRemoved = 0x0800 ,
  DirtyGeometry = 0x1000 , DirtyMaterial = 0x2000 , DirtyOpacity = 0x4000 , DirtyForceUpdate = 0x8000 ,
  DirtyUsePreprocess = UsePreprocess , DirtyPropagationMask
}
 Used in QSGNode::markDirty() to indicate how the scene graph has changed. More...
Signals inherited from QSGTextureProvider
void textureChanged ()
 This signal is emitted when the texture changes.
Signals inherited from QObject
void destroyed (QObject *=nullptr)
 This signal is emitted immediately before the object obj is destroyed, after any instances of QPointer have been notified, and cannot be blocked.
void objectNameChanged (const QString &objectName, QPrivateSignal)
 This signal is emitted after the object's name has been changed.
Static Public Member Functions inherited from QObject
static QMetaObject::Connection connect (const QObject *sender, const char *signal, const QObject *receiver, const char *member, Qt::ConnectionType=Qt::AutoConnection)
 \threadsafe
static QMetaObject::Connection connect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &method, Qt::ConnectionType type=Qt::AutoConnection)
template<typename Func1, typename Func2>
static QMetaObject::Connection connect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const typename QtPrivate::ContextTypeForFunctor< Func2 >::ContextType *context, Func2 &&slot, Qt::ConnectionType type=Qt::AutoConnection)
template<typename Func1, typename Func2>
static QMetaObject::Connection connect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, Func2 &&slot)
static bool disconnect (const QObject *sender, const char *signal, const QObject *receiver, const char *member)
 \threadsafe
static bool disconnect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &member)
static bool disconnect (const QMetaObject::Connection &)
 Disconnect a connection.
template<typename Func1, typename Func2>
static bool disconnect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const typename QtPrivate::FunctionPointer< Func2 >::Object *receiver, Func2 slot)
template<typename Func1>
static bool disconnect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const QObject *receiver, void **zero)
Protected Member Functions inherited from QObject
QObjectsender () const
 Returns a pointer to the object that sent the signal, if called in a slot activated by a signal; otherwise it returns \nullptr.
int senderSignalIndex () const
int receivers (const char *signal) const
 Returns the number of receivers connected to the signal.
bool isSignalConnected (const QMetaMethod &signal) const
virtual void timerEvent (QTimerEvent *event)
 This event handler can be reimplemented in a subclass to receive timer events for the object.
virtual void childEvent (QChildEvent *event)
 This event handler can be reimplemented in a subclass to receive child events.
virtual void customEvent (QEvent *event)
 This event handler can be reimplemented in a subclass to receive custom events.
virtual void connectNotify (const QMetaMethod &signal)
virtual void disconnectNotify (const QMetaMethod &signal)
 QObject (QObjectPrivate &dd, QObject *parent=nullptr)
Protected Member Functions inherited from QSGGeometryNode
 QSGGeometryNode (QSGGeometryNodePrivate &dd)
Protected Member Functions inherited from QSGBasicGeometryNode
 QSGBasicGeometryNode (NodeType type)
 Creates a new basic geometry node of type type.
 QSGBasicGeometryNode (QSGBasicGeometryNodePrivate &dd, NodeType type)
Protected Member Functions inherited from QSGNode
 QSGNode (NodeType type)
 Constructs a new node with the given node type.
 QSGNode (QSGNodePrivate &dd, NodeType type)
 Constructs a new node with the given node type.
Protected Attributes inherited from QObject
QScopedPointer< QObjectDatad_ptr
Protected Attributes inherited from QSGNode
QScopedPointer< QSGNodePrivated_ptr
Properties inherited from QObject
QString objectName
 the name of this object

Detailed Description

Definition at line 164 of file qquickframebufferobject.cpp.

Constructor & Destructor Documentation

◆ QSGFramebufferObjectNode() [1/2]

QSGFramebufferObjectNode::QSGFramebufferObjectNode ( )
inline

Definition at line 169 of file qquickframebufferobject.cpp.

◆ ~QSGFramebufferObjectNode() [1/2]

QSGFramebufferObjectNode::~QSGFramebufferObjectNode ( )
inline

Definition at line 181 of file qquickframebufferobject.cpp.

◆ QSGFramebufferObjectNode() [2/2]

QSGFramebufferObjectNode::QSGFramebufferObjectNode ( )
inline

Definition at line 169 of file qquickframebufferobject.cpp.

◆ ~QSGFramebufferObjectNode() [2/2]

QSGFramebufferObjectNode::~QSGFramebufferObjectNode ( )
inline

Definition at line 181 of file qquickframebufferobject.cpp.

Member Function Documentation

◆ handleScreenChange [1/2]

void QSGFramebufferObjectNode::handleScreenChange ( )
inlineslot

Definition at line 224 of file qquickframebufferobject.cpp.

◆ handleScreenChange [2/2]

void QSGFramebufferObjectNode::handleScreenChange ( )
inlineslot

Definition at line 224 of file qquickframebufferobject.cpp.

◆ render [1/2]

void QSGFramebufferObjectNode::render ( )
inlineslot

Definition at line 201 of file qquickframebufferobject.cpp.

◆ render [2/2]

void QSGFramebufferObjectNode::render ( )
inlineslot

Definition at line 201 of file qquickframebufferobject.cpp.

◆ scheduleRender() [1/2]

void QSGFramebufferObjectNode::scheduleRender ( )
inline

Definition at line 189 of file qquickframebufferobject.cpp.

◆ scheduleRender() [2/2]

void QSGFramebufferObjectNode::scheduleRender ( )
inline

Definition at line 189 of file qquickframebufferobject.cpp.

◆ texture() [1/2]

QSGTexture * QSGFramebufferObjectNode::texture ( ) const
inlineoverridevirtual

Returns a pointer to the texture object.

Implements QSGTextureProvider.

Definition at line 195 of file qquickframebufferobject.cpp.

◆ texture() [2/2]

QSGTexture * QSGFramebufferObjectNode::texture ( ) const
inlineoverridevirtual

Returns a pointer to the texture object.

Implements QSGTextureProvider.

Definition at line 195 of file qquickframebufferobject.cpp.

Member Data Documentation

◆ devicePixelRatio

qreal QSGFramebufferObjectNode::devicePixelRatio

Definition at line 242 of file qquickframebufferobject.cpp.

◆ fbo

QOpenGLFramebufferObject * QSGFramebufferObjectNode::fbo

Definition at line 234 of file qquickframebufferobject.cpp.

◆ invalidatePending

bool QSGFramebufferObjectNode::invalidatePending

Definition at line 240 of file qquickframebufferobject.cpp.

◆ msDisplayFbo

QOpenGLFramebufferObject * QSGFramebufferObjectNode::msDisplayFbo

Definition at line 235 of file qquickframebufferobject.cpp.

◆ quickFbo

QQuickFramebufferObject * QSGFramebufferObjectNode::quickFbo

Definition at line 237 of file qquickframebufferobject.cpp.

◆ renderer

QQuickFramebufferObject::Renderer * QSGFramebufferObjectNode::renderer

Definition at line 236 of file qquickframebufferobject.cpp.

◆ renderPending

bool QSGFramebufferObjectNode::renderPending

Definition at line 239 of file qquickframebufferobject.cpp.

◆ window

QQuickWindow * QSGFramebufferObjectNode::window

Definition at line 233 of file qquickframebufferobject.cpp.


The documentation for this class was generated from the following file: