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class TGLContextIdentity
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library: libRGL
#include "TGLContext.h"
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class TGLContextIdentity








Function Members (Methods)


public:



TGLContextIdentity()


TGLContextIdentity(const TGLContextIdentity&)


 virtual~TGLContextIdentity()


voidAddClientRef()


voidAddRef(TGLContext* ctx)


static TClass*Class()


voidDeleteDisplayLists()


Int_tGetClientRefCnt() const


static TGLContextIdentity*GetCurrent()


static TGLContext*GetDefaultContextAny()


static TGLContextIdentity*GetDefaultIdentity()


Int_tGetRefCnt() const


virtual TClass*IsA() const


Bool_tIsValid() const


TGLContextIdentity&operator=(const TGLContextIdentity&)


voidRegisterDLNameRangeToWipe(UInt_t base, Int_t size)


voidRelease(TGLContext* ctx)


voidReleaseClient()


virtual voidShowMembers(TMemberInspector& insp, char* parent)


virtual voidStreamer(TBuffer& b)


voidStreamerNVirtual(TBuffer& b)





private:



voidCheckDestroy()










Data Members


private:



Int_tfClientCnt


Int_tfCnt


list<TGLContext*,allocator<TGLContext*> >fCtxs


list<pair<unsigned int,int>,allocator<pair<unsigned int,int> > >fDLTrash


static TGLContextIdentity*fgDefaultIdentity







Class Charts






Inheritance
Inherited Members
Includes
Libraries



Class Charts


Function documentation


void  AddRef(TGLContext* ctx)


Add context ctx to the list of references.





void  Release(TGLContext* ctx)


Remove context ctx from the list of references.





void  RegisterDLNameRangeToWipe(UInt_t base, Int_t size)


Remember dl range for deletion in next MakeCurrent or dtor execution.





void  DeleteDisplayLists()


Delete display-list objects registered for destruction.





TGLContextIdentity*  GetCurrent()


Find identitfy of current context. Static.





TGLContextIdentity*  GetDefaultIdentity()


Get identity of a default Gl context. Static.





TGLContext*  GetDefaultContextAny()


Get the first GL context with the default identity.
Can return zero, but that's OK, too. Static.





void  CheckDestroy()


Private function called when reference count is reduced.





Bool_t IsValid()




 TGLContextIdentity(const TGLContextIdentity& )



{}






virtual ~TGLContextIdentity()



{}






void AddClientRef()



{ ++fClientCnt; }






void ReleaseClient()



{ --fClientCnt; CheckDestroy(); }






Int_t GetRefCnt()



{ return fCnt; }






Int_t GetClientRefCnt()



{ return fClientCnt; }









Author:   Timur Pocheptsov,  Jun 2007

Last update: root/gl:$Name:  $:$Id: TGLContext.cxx,v 1.5 2007/06/23 21:23:21 brun Exp $

Copyright   (C) 1995-2004, Rene Brun and Fons Rademakers.               *




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