OpenSceneGraph  3.0.1
Public Member Functions | Protected Types | Protected Member Functions | Protected Attributes | List of all members
osg::BlendColor::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::BlendColor::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 setBlendColorSupported (bool flag)
bool isBlendColorSupported () const
void glBlendColor (GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha) 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.
bool getThreadSafeRefUnref () const
 Get whether a mutex is used to ensure ref() and unref() are thread safe.
OpenThreads::Mutex * getRefMutex () const
 Get the mutex used to ensure thread safety of ref()/unref().
int ref () const
 Increment the reference count by one, indicating that this object has another pointer which is referencing it.
int unref () const
 Decrement the reference count by one, indicating that a pointer to this object is referencing it.
int unref_nodelete () const
 Decrement the reference count by one, indicating that a pointer to this object is referencing it.
int referenceCount () const
 Return the number of pointers currently referencing this object.
ObserverSetgetObserverSet () const
 Get the ObserverSet if one is attached, otherwise return NULL.
ObserverSetgetOrCreateObserverSet () const
 Get the ObserverSet if one is attached, otherwise create an ObserverSet, attach it, then return this newly created ObserverSet.
void addObserver (Observer *observer) const
 Add a Observer that is observing this object, notify the Observer when this object gets deleted.
void removeObserver (Observer *observer) const
 Remove Observer that is observing this object.

Protected Types

typedef GLclampf green
typedef GLclampf GLclampf blue
typedef GLclampf GLclampf GLclampf alpha

Protected Member Functions

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

Protected Attributes

bool _isBlendColorSupported
GLBlendColorProc _glBlendColor
- 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.
static void setThreadSafeReferenceCounting (bool enableThreadSafeReferenceCounting)
 Set whether reference counting should use a mutex for thread safe reference counting.
static bool getThreadSafeReferenceCounting ()
 Get whether reference counting is active.
static void setDeleteHandler (DeleteHandler *handler)
 Set a DeleteHandler to which deletion of all referenced counted objects will be delegated.
static DeleteHandlergetDeleteHandler ()
 Get a DeleteHandler.

Detailed Description

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

Member Typedef Documentation

typedef GLclampf GLclampf GLclampf osg::BlendColor::Extensions::alpha
protected
typedef GLclampf GLclampf osg::BlendColor::Extensions::blue
protected
typedef GLclampf osg::BlendColor::Extensions::green
protected

Constructor & Destructor Documentation

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

Member Function Documentation

void osg::BlendColor::Extensions::glBlendColor ( GLclampf  red,
GLclampf  green,
GLclampf  blue,
GLclampf  alpha 
) const
bool osg::BlendColor::Extensions::isBlendColorSupported ( ) const
inline
void osg::BlendColor::Extensions::lowestCommonDenominator ( const Extensions rhs)
void osg::BlendColor::Extensions::setBlendColorSupported ( bool  flag)
inline
void osg::BlendColor::Extensions::setupGLExtensions ( unsigned int  contextID)
typedef osg::BlendColor::Extensions::void ( GL_APIENTRY GLBlendColorProc)
protected

Member Data Documentation

GLBlendColorProc osg::BlendColor::Extensions::_glBlendColor
protected
bool osg::BlendColor::Extensions::_isBlendColorSupported
protected

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

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Generated at Tue Sep 4 2012 06:14:31 for the OpenSceneGraph by doxygen 1.8.1.2.