openscenegraph
osgViewer::ViewerBase Class Referenceabstract

#include <ViewerBase>

Inheritance diagram for osgViewer::ViewerBase:
osg::Object osg::Referenced osgViewer::CompositeViewer osgViewer::Viewer

Public Types

enum  ThreadingModel {
  SingleThreaded , CullDrawThreadPerContext , ThreadPerContext = CullDrawThreadPerContext , DrawThreadPerContext ,
  CullThreadPerCameraDrawThreadPerContext , ThreadPerCamera = CullThreadPerCameraDrawThreadPerContext , AutomaticSelection
}
enum  BarrierPosition { BeforeSwapBuffers , AfterSwapBuffers }
enum  FrameScheme { ON_DEMAND , CONTINUOUS }
typedef std::vector< osg::Camera * > Cameras
typedef std::vector< osg::GraphicsContext * > Contexts
typedef std::vector< osgViewer::GraphicsWindow * > Windows
typedef std::vector< OpenThreads::Thread * > Threads
typedef std::vector< osg::OperationThread * > OperationThreads
typedef std::vector< osgViewer::Scene * > Scenes
typedef std::vector< osgViewer::View * > Views
Public Types inherited from osg::Object
enum  DataVariance { DYNAMIC , STATIC , UNSPECIFIED }

Public Member Functions

 ViewerBase ()
 ViewerBase (const ViewerBase &vb)
virtual void setViewerStats (osg::Stats *stats)=0
virtual osg::StatsgetViewerStats ()=0
virtual const osg::StatsgetViewerStats () const =0
virtual bool readConfiguration (const std::string &filename)=0
virtual bool isRealized () const =0
virtual void realize ()=0
void setUseConfigureAffinity (bool flag)
bool getUseConfigureAffinity () const
virtual void configureAffinity ()
virtual void setProcessorAffinity (const OpenThreads::Affinity &affinity)
OpenThreads::AffinitygetProcessorAffinity ()
const OpenThreads::AffinitygetProcessorAffinity () const
virtual void setThreadingModel (ThreadingModel threadingModel)
ThreadingModel getThreadingModel () const
virtual ThreadingModel suggestBestThreadingModel ()
virtual void setUpThreading ()
bool areThreadsRunning () const
virtual void stopThreading ()
virtual void startThreading ()
void setEndBarrierPosition (BarrierPosition bp)
BarrierPosition getEndBarrierPosition () const
void setEndBarrierOperation (osg::BarrierOperation::PreBlockOp op)
osg::BarrierOperation::PreBlockOp getEndBarrierOperation () const
void setDone (bool done)
bool done () const
void setEventVisitor (osgGA::EventVisitor *eventVisitor)
osgGA::EventVisitorgetEventVisitor ()
const osgGA::EventVisitorgetEventVisitor () const
void setKeyEventSetsDone (int key)
int getKeyEventSetsDone () const
void setQuitEventSetsDone (bool flag)
bool getQuitEventSetsDone () const
void setReleaseContextAtEndOfFrameHint (bool hint)
bool getReleaseContextAtEndOfFrameHint () const
void setUpdateVisitor (osgUtil::UpdateVisitor *updateVisitor)
osgUtil::UpdateVisitorgetUpdateVisitor ()
const osgUtil::UpdateVisitorgetUpdateVisitor () const
void setUpdateOperations (osg::OperationQueue *operations)
osg::OperationQueuegetUpdateOperations ()
const osg::OperationQueuegetUpdateOperations () const
void addUpdateOperation (osg::Operation *operation)
void removeUpdateOperation (osg::Operation *operation)
void setRealizeOperation (osg::Operation *op)
osg::OperationgetRealizeOperation ()
void setCleanUpOperation (osg::Operation *op)
osg::OperationgetCleanUpOperation ()
void setIncrementalCompileOperation (osgUtil::IncrementalCompileOperation *ico)
osgUtil::IncrementalCompileOperationgetIncrementalCompileOperation ()
void setRunFrameScheme (FrameScheme fs)
FrameScheme getRunFrameScheme () const
void setRunMaxFrameRate (double frameRate)
double getRunMaxFrameRate () const
virtual int run ()
virtual bool checkNeedToDoFrame ()=0
virtual bool checkEvents ()=0
virtual void frame (double simulationTime=USE_REFERENCE_TIME)
virtual void advance (double simulationTime=USE_REFERENCE_TIME)=0
virtual void eventTraversal ()=0
virtual void updateTraversal ()=0
virtual void renderingTraversals ()
virtual void getCameras (Cameras &cameras, bool onlyActive=true)=0
virtual void getContexts (Contexts &contexts, bool onlyValid=true)=0
virtual void getWindows (Windows &windows, bool onlyValid=true)
virtual void getAllThreads (Threads &threads, bool onlyActive=true)=0
virtual void getOperationThreads (OperationThreads &threads, bool onlyActive=true)=0
virtual void getScenes (Scenes &scenes, bool onlyValid=true)=0
virtual void getViews (Views &views, bool onlyValid=true)=0
void checkWindowStatus ()
void checkWindowStatus (const Contexts &contexts)
virtual double elapsedTime ()=0
virtual osg::FrameStampgetViewerFrameStamp ()=0
virtual void getUsage (osg::ApplicationUsage &usage) const =0
bool getRequestRedraw () const
bool getRequestContinousUpdate () const
Public Member Functions inherited from osg::Object
 Object ()
 Object (bool threadSafeRefUnref)
 Object (const Object &, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
virtual ObjectcloneType () const =0
virtual Objectclone (const CopyOp &) const =0
virtual bool isSameKindAs (const Object *) const
virtual const char * libraryName () const =0
virtual const char * className () const =0
std::string getCompoundClassName () const
virtual NodeasNode ()
virtual const NodeasNode () const
virtual NodeVisitorasNodeVisitor ()
virtual const NodeVisitorasNodeVisitor () const
virtual StateSetasStateSet ()
virtual const StateSetasStateSet () const
virtual StateAttributeasStateAttribute ()
virtual const StateAttributeasStateAttribute () const
virtual UniformasUniform ()
virtual const UniformasUniform () const
virtual CameraasCamera ()
virtual const CameraasCamera () const
virtual DrawableasDrawable ()
virtual const DrawableasDrawable () const
virtual CallbackasCallback ()
virtual const CallbackasCallback () const
virtual CallbackObjectasCallbackObject ()
virtual const CallbackObjectasCallbackObject () const
virtual UserDataContainerasUserDataContainer ()
virtual const UserDataContainerasUserDataContainer () const
virtual ValueObjectasValueObject ()
virtual const ValueObjectasValueObject () const
virtual ImageasImage ()
virtual const ImageasImage () const
virtual void setThreadSafeRefUnref (bool threadSafe)
virtual void setName (const std::string &name)
void setName (const char *name)
const std::string & getName () const
void setDataVariance (DataVariance dv)
DataVariance getDataVariance () const
virtual void computeDataVariance ()
void setUserDataContainer (osg::UserDataContainer *udc)
template<class T>
void setUserDataContainer (const ref_ptr< T > &udc)
osg::UserDataContainergetUserDataContainer ()
const osg::UserDataContainergetUserDataContainer () const
osg::UserDataContainergetOrCreateUserDataContainer ()
virtual void setUserData (Referenced *obj)
template<class T>
void setUserData (const ref_ptr< T > &ud)
virtual ReferencedgetUserData ()
virtual const ReferencedgetUserData () const
template<typename T>
bool getUserValue (const std::string &name, T &value) const
template<typename T>
void setUserValue (const std::string &name, const T &value)
virtual void resizeGLObjectBuffers (unsigned int)
virtual void releaseGLObjects (osg::State *=0) const
template<typename T>
BoolValueObject UCharValueObject UShortValueObject UIntValueObject DoubleValueObject Vec3fValueObject Vec2dValueObject Vec4dValueObject PlaneValueObject MatrixdValueObject BoundingBoxdValueObject BoundingSpheredValueObject bool getUserValue (const std::string &name, T &value) const
Public Member Functions inherited from osg::Referenced
 Referenced ()
 Referenced (bool threadSafeRefUnref)
 Referenced (const Referenced &)
Referencedoperator= (const Referenced &)
bool getThreadSafeRefUnref () const
OpenThreads::MutexgetRefMutex () const
int ref () const
int unref () const
int unref_nodelete () const
int referenceCount () const
ObserverSetgetObserverSet () const
ObserverSetgetOrCreateObserverSet () const
void addObserver (Observer *observer) const
void removeObserver (Observer *observer) const

Protected Member Functions

void viewerBaseInit ()
void makeCurrent (osg::GraphicsContext *gc)
void releaseContext ()
virtual void viewerInit ()=0
Protected Member Functions inherited from osg::Object
virtual ~Object ()
Protected Member Functions inherited from osg::Referenced
virtual ~Referenced ()
void signalObserversAndDelete (bool signalDelete, bool doDelete) const
void deleteUsingDeleteHandler () const

Protected Attributes

bool _firstFrame
bool _done
int _keyEventSetsDone
bool _quitEventSetsDone
bool _releaseContextAtEndOfFrameHint
bool _useConfigureAffinity
OpenThreads::Affinity _affinity
ThreadingModel _threadingModel
bool _threadsRunning
bool _requestRedraw
bool _requestContinousUpdate
FrameScheme _runFrameScheme
double _runMaxFrameRate
BarrierPosition _endBarrierPosition
osg::BarrierOperation::PreBlockOp _endBarrierOperation
osg::ref_ptr< osg::BarrierOperation_startRenderingBarrier
osg::ref_ptr< osg::BarrierOperation_endRenderingDispatchBarrier
osg::ref_ptr< osg::EndOfDynamicDrawBlock_endDynamicDrawBlock
osg::ref_ptr< osgGA::EventVisitor_eventVisitor
osg::ref_ptr< osg::OperationQueue_updateOperations
osg::ref_ptr< osgUtil::UpdateVisitor_updateVisitor
osg::ref_ptr< osg::Operation_realizeOperation
osg::ref_ptr< osg::Operation_cleanUpOperation
osg::ref_ptr< osgUtil::IncrementalCompileOperation_incrementalCompileOperation
osg::observer_ptr< osg::GraphicsContext_currentContext
Protected Attributes inherited from osg::Object
std::string _name
DataVariance _dataVariance
osg::UserDataContainer_userDataContainer
Protected Attributes inherited from osg::Referenced
OpenThreads::AtomicPtr _observerSet
OpenThreads::Atomic _refCount

Friends

class osgViewer::View

Additional Inherited Members

Static Public Member Functions inherited from osg::Referenced
static OpenThreads::MutexgetGlobalReferencedMutex ()
static void setDeleteHandler (DeleteHandler *handler)
static DeleteHandlergetDeleteHandler ()

Detailed Description

ViewerBase is the view base class that is inherited by both Viewer and CompositeViewer.

Member Typedef Documentation

◆ Cameras

◆ Contexts

◆ OperationThreads

◆ Scenes

◆ Threads

◆ Views

◆ Windows

Member Enumeration Documentation

◆ BarrierPosition

Enumerator
BeforeSwapBuffers 
AfterSwapBuffers 

◆ FrameScheme

Enumerator
ON_DEMAND 
CONTINUOUS 

◆ ThreadingModel

Enumerator
SingleThreaded 
CullDrawThreadPerContext 
ThreadPerContext 
DrawThreadPerContext 
CullThreadPerCameraDrawThreadPerContext 
ThreadPerCamera 
AutomaticSelection 

Constructor & Destructor Documentation

◆ ViewerBase() [1/2]

osgViewer::ViewerBase::ViewerBase ( )

Referenced by ViewerBase().

◆ ViewerBase() [2/2]

osgViewer::ViewerBase::ViewerBase ( const ViewerBase & vb)

References ViewerBase().

Member Function Documentation

◆ addUpdateOperation()

void osgViewer::ViewerBase::addUpdateOperation ( osg::Operation * operation)

Add an update operation.

◆ advance()

virtual void osgViewer::ViewerBase::advance ( double simulationTime = USE_REFERENCE_TIME)
pure virtual

◆ areThreadsRunning()

bool osgViewer::ViewerBase::areThreadsRunning ( ) const
inline

Return true if viewer threads are running.

References _threadsRunning.

◆ checkEvents()

virtual bool osgViewer::ViewerBase::checkEvents ( )
pure virtual

check to see if events have been received, return true if events are now available.

Implemented in osgViewer::CompositeViewer, and osgViewer::Viewer.

◆ checkNeedToDoFrame()

virtual bool osgViewer::ViewerBase::checkNeedToDoFrame ( )
pure virtual

check to see if the new frame is required, called by run(..) when FrameScheme is set to ON_DEMAND.

Implemented in osgViewer::CompositeViewer, and osgViewer::Viewer.

◆ checkWindowStatus() [1/2]

void osgViewer::ViewerBase::checkWindowStatus ( )

Check to see if any windows are still open. If not, set viewer done to true.

◆ checkWindowStatus() [2/2]

void osgViewer::ViewerBase::checkWindowStatus ( const Contexts & contexts)

Check to see if windows are still open using the list of contexts given as a parameter. If no windows are open, stop rendering threads and set viewer done to true. This function is more effective than checkWindowStatus() as it does not query the context list and should be used whenever context list is already available in your code.

◆ configureAffinity()

virtual void osgViewer::ViewerBase::configureAffinity ( )
virtual

analyse the viewer configuration and select an appropriate Affinity for main thread, and any graphics, camera threads and database pagers that are required.

◆ done()

bool osgViewer::ViewerBase::done ( ) const
inline

Return true if viewer's work is done and should exit the frame loop.

References _done.

Referenced by setDone().

◆ elapsedTime()

virtual double osgViewer::ViewerBase::elapsedTime ( )
pure virtual

◆ eventTraversal()

virtual void osgViewer::ViewerBase::eventTraversal ( )
pure virtual

◆ frame()

virtual void osgViewer::ViewerBase::frame ( double simulationTime = USE_REFERENCE_TIME)
virtual

Render a complete new frame. Calls advance(), eventTraversal(), updateTraversal(), renderingTraversals().

References USE_REFERENCE_TIME.

◆ getAllThreads()

virtual void osgViewer::ViewerBase::getAllThreads ( Threads & threads,
bool onlyActive = true )
pure virtual

◆ getCameras()

virtual void osgViewer::ViewerBase::getCameras ( Cameras & cameras,
bool onlyActive = true )
pure virtual

◆ getCleanUpOperation()

osg::Operation * osgViewer::ViewerBase::getCleanUpOperation ( )
inline

Get the graphics operation to call before the viewers graphics contexts close.

References _cleanUpOperation.

◆ getContexts()

virtual void osgViewer::ViewerBase::getContexts ( Contexts & contexts,
bool onlyValid = true )
pure virtual

◆ getEndBarrierOperation()

osg::BarrierOperation::PreBlockOp osgViewer::ViewerBase::getEndBarrierOperation ( ) const
inline

Get the end barrier operation.

References _endBarrierOperation.

◆ getEndBarrierPosition()

BarrierPosition osgViewer::ViewerBase::getEndBarrierPosition ( ) const
inline

Get the end barrier position.

References _endBarrierPosition.

◆ getEventVisitor() [1/2]

osgGA::EventVisitor * osgViewer::ViewerBase::getEventVisitor ( )
inline

Get the EventVisitor.

References _eventVisitor.

◆ getEventVisitor() [2/2]

const osgGA::EventVisitor * osgViewer::ViewerBase::getEventVisitor ( ) const
inline

Get the const EventVisitor.

References _eventVisitor.

◆ getIncrementalCompileOperation()

osgUtil::IncrementalCompileOperation * osgViewer::ViewerBase::getIncrementalCompileOperation ( )
inline

Get the incremental compile operation.

References _incrementalCompileOperation.

◆ getKeyEventSetsDone()

int osgViewer::ViewerBase::getKeyEventSetsDone ( ) const
inline

get the key event that the viewer checks on each frame to see if the viewer's done flag.

References _keyEventSetsDone.

◆ getOperationThreads()

virtual void osgViewer::ViewerBase::getOperationThreads ( OperationThreads & threads,
bool onlyActive = true )
pure virtual

◆ getProcessorAffinity() [1/2]

OpenThreads::Affinity & osgViewer::ViewerBase::getProcessorAffinity ( )
inline

References _affinity.

◆ getProcessorAffinity() [2/2]

const OpenThreads::Affinity & osgViewer::ViewerBase::getProcessorAffinity ( ) const
inline

References _affinity.

◆ getQuitEventSetsDone()

bool osgViewer::ViewerBase::getQuitEventSetsDone ( ) const
inline
Returns
true if the viewer respond to the QUIT_APPLICATION-event

References _quitEventSetsDone.

◆ getRealizeOperation()

osg::Operation * osgViewer::ViewerBase::getRealizeOperation ( )
inline

Get the graphics operation to call on realization of the viewers graphics windows.

References _realizeOperation.

◆ getReleaseContextAtEndOfFrameHint()

bool osgViewer::ViewerBase::getReleaseContextAtEndOfFrameHint ( ) const
inline

Hint to tell the renderingTraversals() method whether to call releaseContext().

References _releaseContextAtEndOfFrameHint.

◆ getRequestContinousUpdate()

bool osgViewer::ViewerBase::getRequestContinousUpdate ( ) const
inline

◆ getRequestRedraw()

bool osgViewer::ViewerBase::getRequestRedraw ( ) const
inline

References _requestRedraw.

◆ getRunFrameScheme()

FrameScheme osgViewer::ViewerBase::getRunFrameScheme ( ) const
inline

References _runFrameScheme.

◆ getRunMaxFrameRate()

double osgViewer::ViewerBase::getRunMaxFrameRate ( ) const
inline

References _runMaxFrameRate.

◆ getScenes()

virtual void osgViewer::ViewerBase::getScenes ( Scenes & scenes,
bool onlyValid = true )
pure virtual

◆ getThreadingModel()

ThreadingModel osgViewer::ViewerBase::getThreadingModel ( ) const
inline

Get the threading model the rendering traversals will use.

References _threadingModel.

◆ getUpdateOperations() [1/2]

osg::OperationQueue * osgViewer::ViewerBase::getUpdateOperations ( )
inline

Get the Update OperationQueue.

References _updateOperations.

◆ getUpdateOperations() [2/2]

const osg::OperationQueue * osgViewer::ViewerBase::getUpdateOperations ( ) const
inline

Get the const Update OperationQueue.

References _updateOperations.

◆ getUpdateVisitor() [1/2]

osgUtil::UpdateVisitor * osgViewer::ViewerBase::getUpdateVisitor ( )
inline

Get the UpdateVisitor.

References _updateVisitor.

◆ getUpdateVisitor() [2/2]

const osgUtil::UpdateVisitor * osgViewer::ViewerBase::getUpdateVisitor ( ) const
inline

Get the const UpdateVisitor.

References _updateVisitor.

◆ getUsage()

virtual void osgViewer::ViewerBase::getUsage ( osg::ApplicationUsage & usage) const
pure virtual

Get the keyboard and mouse usage of this viewer.

Implemented in osgViewer::CompositeViewer, and osgViewer::Viewer.

◆ getUseConfigureAffinity()

bool osgViewer::ViewerBase::getUseConfigureAffinity ( ) const
inline

get whether the setUpThreading() method should call configureAffinity() to set up up the processor affinity of viewer threads.

References _useConfigureAffinity.

◆ getViewerFrameStamp()

virtual osg::FrameStamp * osgViewer::ViewerBase::getViewerFrameStamp ( )
pure virtual

◆ getViewerStats() [1/2]

virtual const osg::Stats * osgViewer::ViewerBase::getViewerStats ( ) const
pure virtual

Get the Viewers Stats object.

Implemented in osgViewer::CompositeViewer, and osgViewer::Viewer.

◆ getViewerStats() [2/2]

virtual osg::Stats * osgViewer::ViewerBase::getViewerStats ( )
pure virtual

Get the Viewers Stats object.

Implemented in osgViewer::CompositeViewer, and osgViewer::Viewer.

◆ getViews()

virtual void osgViewer::ViewerBase::getViews ( Views & views,
bool onlyValid = true )
pure virtual

◆ getWindows()

virtual void osgViewer::ViewerBase::getWindows ( Windows & windows,
bool onlyValid = true )
virtual

◆ isRealized()

virtual bool osgViewer::ViewerBase::isRealized ( ) const
pure virtual

Get whether at least of one of this viewers windows are realized.

Implemented in osgViewer::CompositeViewer, and osgViewer::Viewer.

◆ makeCurrent()

void osgViewer::ViewerBase::makeCurrent ( osg::GraphicsContext * gc)
inlineprotected

◆ readConfiguration()

virtual bool osgViewer::ViewerBase::readConfiguration ( const std::string & filename)
pure virtual

read the viewer configuration from a configuration file.

Implemented in osgViewer::CompositeViewer, and osgViewer::Viewer.

◆ realize()

virtual void osgViewer::ViewerBase::realize ( )
pure virtual

set up windows and associated threads.

Implemented in osgViewer::CompositeViewer, and osgViewer::Viewer.

◆ releaseContext()

void osgViewer::ViewerBase::releaseContext ( )
inlineprotected

References _currentContext.

Referenced by makeCurrent().

◆ removeUpdateOperation()

void osgViewer::ViewerBase::removeUpdateOperation ( osg::Operation * operation)

Remove an update operation.

◆ renderingTraversals()

virtual void osgViewer::ViewerBase::renderingTraversals ( )
virtual

◆ run()

virtual int osgViewer::ViewerBase::run ( )
virtual

Execute a main frame loop. Equivalent to while (!viewer.done()) viewer.frame(); Also calls realize() if the viewer is not already realized, and installs trackball manipulator if one is not already assigned.

Reimplemented in osgViewer::CompositeViewer, and osgViewer::Viewer.

◆ setCleanUpOperation()

void osgViewer::ViewerBase::setCleanUpOperation ( osg::Operation * op)
inline

Set the graphics operation to call before the viewers graphics contexts close.

References _cleanUpOperation.

◆ setDone()

void osgViewer::ViewerBase::setDone ( bool done)
inline

Set the done flag to signal the viewer's work is done and should exit the frame loop.

References _done, and done().

◆ setEndBarrierOperation()

void osgViewer::ViewerBase::setEndBarrierOperation ( osg::BarrierOperation::PreBlockOp op)

Set the end barrier operation. op may be one of GL_FLUSH, GL_FINISH, or NO_OPERATION. NO_OPERATION is the default. Per BarrierOperation::operator()(), a glFlush() command, glFinish() command, or no additional OpenGL command will be issued before entering the end barrier.

◆ setEndBarrierPosition()

void osgViewer::ViewerBase::setEndBarrierPosition ( BarrierPosition bp)

Set the position of the end barrier. AfterSwapBuffers may result in slightly higher framerates, but may lead to inconsistent swapping between different windows. BeforeSwapBuffers may lead to slightly lower framerate, but improve consistency in timing of swap buffers, especially important if you are likely to consistently break frame.

◆ setEventVisitor()

void osgViewer::ViewerBase::setEventVisitor ( osgGA::EventVisitor * eventVisitor)
inline

Set the EventVisitor.

References _eventVisitor.

◆ setIncrementalCompileOperation()

void osgViewer::ViewerBase::setIncrementalCompileOperation ( osgUtil::IncrementalCompileOperation * ico)

Set the incremental compile operation. Used to manage the OpenGL object compilation and merging of subgraphs in a way that avoids overloading the rendering of frame with too many new objects in one frame.

◆ setKeyEventSetsDone()

void osgViewer::ViewerBase::setKeyEventSetsDone ( int key)
inline

Set the key event that the viewer checks on each frame to see if the viewer's done flag should be set to signal end of viewers main loop. Default value is Escape (osgGA::GUIEVentAdapter::KEY_Escape). Setting to 0 switches off the feature.

References _keyEventSetsDone.

◆ setProcessorAffinity()

virtual void osgViewer::ViewerBase::setProcessorAffinity ( const OpenThreads::Affinity & affinity)
inlinevirtual

Set the processor affinity of main thread.

References _affinity.

◆ setQuitEventSetsDone()

void osgViewer::ViewerBase::setQuitEventSetsDone ( bool flag)
inline

if the flag is true, the viewer set its done flag when a QUIT_APPLICATION is received, false disables this feature

References _quitEventSetsDone.

◆ setRealizeOperation()

void osgViewer::ViewerBase::setRealizeOperation ( osg::Operation * op)
inline

Set the graphics operation to call on realization of the viewers graphics windows.

References _realizeOperation.

◆ setReleaseContextAtEndOfFrameHint()

void osgViewer::ViewerBase::setReleaseContextAtEndOfFrameHint ( bool hint)
inline

Hint to tell the renderingTraversals() method whether to call releaseContext() on the last context that was made current by the thread calling renderingTraverals(). Note, when running multi-threaded viewer no threads will be made current or release current. Setting this hint to false can enable the frame loop to be lazy about calling makeCurrent and releaseContext on each new frame, helping performance. However, if you frame loop is managing multiple graphics context all from the main frame thread then this hint must be left on, otherwise the wrong context could be left active, introducing errors in rendering.

References _releaseContextAtEndOfFrameHint.

◆ setRunFrameScheme()

void osgViewer::ViewerBase::setRunFrameScheme ( FrameScheme fs)
inline

References _runFrameScheme.

◆ setRunMaxFrameRate()

void osgViewer::ViewerBase::setRunMaxFrameRate ( double frameRate)
inline

References _runMaxFrameRate.

◆ setThreadingModel()

virtual void osgViewer::ViewerBase::setThreadingModel ( ThreadingModel threadingModel)
virtual

Set the threading model the rendering traversals will use.

◆ setUpdateOperations()

void osgViewer::ViewerBase::setUpdateOperations ( osg::OperationQueue * operations)
inline

Set the Update OperationQueue.

References _updateOperations.

◆ setUpdateVisitor()

void osgViewer::ViewerBase::setUpdateVisitor ( osgUtil::UpdateVisitor * updateVisitor)
inline

Set the UpdateVisitor.

References _updateVisitor.

◆ setUpThreading()

virtual void osgViewer::ViewerBase::setUpThreading ( )
virtual

Set up the threading and processor affinity as per the viewers threading model.

◆ setUseConfigureAffinity()

void osgViewer::ViewerBase::setUseConfigureAffinity ( bool flag)
inline

Set whether the setUpThreading() method should call configureAffinity() to set up up the processor affinity of viewer threads.

References _useConfigureAffinity.

◆ setViewerStats()

virtual void osgViewer::ViewerBase::setViewerStats ( osg::Stats * stats)
pure virtual

Set the Stats object used to collect various frame related timing and scene graph stats.

Implemented in osgViewer::CompositeViewer, and osgViewer::Viewer.

◆ startThreading()

virtual void osgViewer::ViewerBase::startThreading ( )
virtual

Start any threads required by the viewer.

◆ stopThreading()

virtual void osgViewer::ViewerBase::stopThreading ( )
virtual

Stop any threads being run by viewer.

◆ suggestBestThreadingModel()

virtual ThreadingModel osgViewer::ViewerBase::suggestBestThreadingModel ( )
virtual

Let the viewer suggest the best threading model for the viewers camera/window setup and the hardware available.

◆ updateTraversal()

virtual void osgViewer::ViewerBase::updateTraversal ( )
pure virtual

◆ viewerBaseInit()

void osgViewer::ViewerBase::viewerBaseInit ( )
protected

◆ viewerInit()

virtual void osgViewer::ViewerBase::viewerInit ( )
protectedpure virtual

◆ osgViewer::View

friend class osgViewer::View
friend

Member Data Documentation

◆ _affinity

OpenThreads::Affinity osgViewer::ViewerBase::_affinity
protected

◆ _cleanUpOperation

osg::ref_ptr<osg::Operation> osgViewer::ViewerBase::_cleanUpOperation
protected

◆ _currentContext

osg::observer_ptr<osg::GraphicsContext> osgViewer::ViewerBase::_currentContext
protected

Referenced by makeCurrent(), and releaseContext().

◆ _done

bool osgViewer::ViewerBase::_done
protected

Referenced by done(), and setDone().

◆ _endBarrierOperation

osg::BarrierOperation::PreBlockOp osgViewer::ViewerBase::_endBarrierOperation
protected

Referenced by getEndBarrierOperation().

◆ _endBarrierPosition

BarrierPosition osgViewer::ViewerBase::_endBarrierPosition
protected

Referenced by getEndBarrierPosition().

◆ _endDynamicDrawBlock

osg::ref_ptr<osg::EndOfDynamicDrawBlock> osgViewer::ViewerBase::_endDynamicDrawBlock
protected

◆ _endRenderingDispatchBarrier

osg::ref_ptr<osg::BarrierOperation> osgViewer::ViewerBase::_endRenderingDispatchBarrier
protected

◆ _eventVisitor

osg::ref_ptr<osgGA::EventVisitor> osgViewer::ViewerBase::_eventVisitor
protected

◆ _firstFrame

bool osgViewer::ViewerBase::_firstFrame
protected

◆ _incrementalCompileOperation

osg::ref_ptr<osgUtil::IncrementalCompileOperation> osgViewer::ViewerBase::_incrementalCompileOperation
protected

◆ _keyEventSetsDone

int osgViewer::ViewerBase::_keyEventSetsDone
protected

◆ _quitEventSetsDone

bool osgViewer::ViewerBase::_quitEventSetsDone
protected

◆ _realizeOperation

osg::ref_ptr<osg::Operation> osgViewer::ViewerBase::_realizeOperation
protected

◆ _releaseContextAtEndOfFrameHint

bool osgViewer::ViewerBase::_releaseContextAtEndOfFrameHint
protected

◆ _requestContinousUpdate

bool osgViewer::ViewerBase::_requestContinousUpdate
protected

◆ _requestRedraw

bool osgViewer::ViewerBase::_requestRedraw
protected

Referenced by getRequestRedraw().

◆ _runFrameScheme

FrameScheme osgViewer::ViewerBase::_runFrameScheme
protected

◆ _runMaxFrameRate

double osgViewer::ViewerBase::_runMaxFrameRate
protected

◆ _startRenderingBarrier

osg::ref_ptr<osg::BarrierOperation> osgViewer::ViewerBase::_startRenderingBarrier
protected

◆ _threadingModel

ThreadingModel osgViewer::ViewerBase::_threadingModel
protected

Referenced by getThreadingModel().

◆ _threadsRunning

bool osgViewer::ViewerBase::_threadsRunning
protected

Referenced by areThreadsRunning().

◆ _updateOperations

osg::ref_ptr<osg::OperationQueue> osgViewer::ViewerBase::_updateOperations
protected

◆ _updateVisitor

osg::ref_ptr<osgUtil::UpdateVisitor> osgViewer::ViewerBase::_updateVisitor
protected

◆ _useConfigureAffinity

bool osgViewer::ViewerBase::_useConfigureAffinity
protected

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