OpenSceneGraph  3.2.0
Public Member Functions | Protected Types | Protected Member Functions | Protected Attributes | List of all members
osg::BlendFunc::Extensions Class Reference

Encapsulates queries of extension availability, obtains extension function pointers, and provides convenience wrappers for calling extension functions. More...

Inheritance diagram for osg::BlendFunc::Extensions:
Inheritance graph
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Public Member Functions

 Extensions (unsigned int contextID)
 
 Extensions (const Extensions &rhs)
 
void lowestCommonDenominator (const Extensions &rhs)
 
void setupGLExtensions (unsigned int contextID)
 
void setBlendFuncSeparateSupported (bool flag)
 
bool isBlendFuncSeparateSupported () const
 
void glBlendFuncSeparate (GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha) const
 
- Public Member Functions inherited from osg::Referenced
 Referenced ()
 
 Referenced (bool threadSafeRefUnref)
 
 Referenced (const Referenced &)
 
Referencedoperator= (const Referenced &)
 
virtual void setThreadSafeRefUnref (bool threadSafe)
 Set whether to use a mutex to ensure ref() and unref() are thread safe. More...
 
bool getThreadSafeRefUnref () const
 Get whether a mutex is used to ensure ref() and unref() are thread safe. More...
 
OpenThreads::Mutex * getRefMutex () const
 Get the mutex used to ensure thread safety of ref()/unref(). More...
 
int ref () const
 Increment the reference count by one, indicating that this object has another pointer which is referencing it. More...
 
int unref () const
 Decrement the reference count by one, indicating that a pointer to this object is no longer referencing it. More...
 
int unref_nodelete () const
 Decrement the reference count by one, indicating that a pointer to this object is no longer referencing it. More...
 
int referenceCount () const
 Return the number of pointers currently referencing this object. More...
 
ObserverSetgetObserverSet () const
 Get the ObserverSet if one is attached, otherwise return NULL. More...
 
ObserverSetgetOrCreateObserverSet () const
 Get the ObserverSet if one is attached, otherwise create an ObserverSet, attach it, then return this newly created ObserverSet. More...
 
void addObserver (Observer *observer) const
 Add a Observer that is observing this object, notify the Observer when this object gets deleted. More...
 
void removeObserver (Observer *observer) const
 Remove Observer that is observing this object. More...
 

Protected Types

typedef GLenum dfactorRGB
 
typedef GLenum GLenum sfactorAlpha
 
typedef GLenum GLenum GLenum dfactorAlpha
 

Protected Member Functions

 ~Extensions ()
 
typedef void (GL_APIENTRY *GLBlendFuncSeparateProc)(GLenum sfactorRGB
 
- Protected Member Functions inherited from osg::Referenced
virtual ~Referenced ()
 
void signalObserversAndDelete (bool signalDelete, bool doDelete) const
 
void deleteUsingDeleteHandler () const
 

Protected Attributes

bool _isBlendFuncSeparateSupported
 
GLBlendFuncSeparateProc _glBlendFuncSeparate
 
- Protected Attributes inherited from osg::Referenced
OpenThreads::AtomicPtr _observerSet
 
OpenThreads::Atomic _refCount
 

Additional Inherited Members

- Static Public Member Functions inherited from osg::Referenced
static OpenThreads::Mutex * getGlobalReferencedMutex ()
 Get the optional global Referenced mutex, this can be shared between all osg::Referenced. More...
 
static void setThreadSafeReferenceCounting (bool enableThreadSafeReferenceCounting)
 Set whether reference counting should use a mutex for thread safe reference counting. More...
 
static bool getThreadSafeReferenceCounting ()
 Get whether reference counting is active. More...
 
static void setDeleteHandler (DeleteHandler *handler)
 Set a DeleteHandler to which deletion of all referenced counted objects will be delegated. More...
 
static DeleteHandlergetDeleteHandler ()
 Get a DeleteHandler. More...
 

Detailed Description

Encapsulates queries of extension availability, obtains extension function pointers, and provides convenience wrappers for calling extension functions.

Member Typedef Documentation

typedef GLenum GLenum GLenum osg::BlendFunc::Extensions::dfactorAlpha
protected
typedef GLenum osg::BlendFunc::Extensions::dfactorRGB
protected
typedef GLenum GLenum osg::BlendFunc::Extensions::sfactorAlpha
protected

Constructor & Destructor Documentation

osg::BlendFunc::Extensions::Extensions ( unsigned int  contextID)
osg::BlendFunc::Extensions::Extensions ( const Extensions rhs)
osg::BlendFunc::Extensions::~Extensions ( )
inlineprotected

Member Function Documentation

void osg::BlendFunc::Extensions::glBlendFuncSeparate ( GLenum  sfactorRGB,
GLenum  dfactorRGB,
GLenum  sfactorAlpha,
GLenum  dfactorAlpha 
) const
bool osg::BlendFunc::Extensions::isBlendFuncSeparateSupported ( ) const
inline
void osg::BlendFunc::Extensions::lowestCommonDenominator ( const Extensions rhs)
void osg::BlendFunc::Extensions::setBlendFuncSeparateSupported ( bool  flag)
inline
void osg::BlendFunc::Extensions::setupGLExtensions ( unsigned int  contextID)
typedef osg::BlendFunc::Extensions::void ( GL_APIENTRY GLBlendFuncSeparateProc)
protected

Member Data Documentation

GLBlendFuncSeparateProc osg::BlendFunc::Extensions::_glBlendFuncSeparate
protected
bool osg::BlendFunc::Extensions::_isBlendFuncSeparateSupported
protected

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

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Generated at Wed Aug 14 2013 12:59:27 for the OpenSceneGraph by doxygen 1.8.4.