hostsupport/hostegl/inc/EGLUtils.h
author Matt Plumtree <matt.plumtree@nokia.com>
Wed, 06 Oct 2010 17:59:01 +0100
branchbug235_bringup_0
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child 67 ca7e6949bf7a
permissions -rw-r--r--
Copy code from the holdingarea into the target locations. Some initial rework of CMakeLists.txt files, but not yet tested.
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/* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and /or associated documentation files
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 * (the "Materials "), to deal in the Materials without restriction,
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 * including without limitation the rights to use, copy, modify, merge,
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 * publish, distribute, sublicense, and/or sell copies of the Materials,
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 * and to permit persons to whom the Materials are furnished to do so,
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 * subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included
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 * in all copies or substantial portions of the Materials.
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 *
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 * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR
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 * THE USE OR OTHER DEALINGS IN THE MATERIALS.
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 *
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 * Initial Contributors:
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 * Nokia Corporation - initial contribution.
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 *
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 * Contributors:
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 *
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 * Description:
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 *
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 */
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#ifndef _EGLUTILS_H_
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#define _EGLUTILS_H_
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#include <vector>
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#include <EGL/egl.h>
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#include "eglDefinitions.h"
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class RefCountingObject
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    {
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public:
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    RefCountingObject() : m_refCount( 0 ), m_terminated( false ) {}
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    virtual ~RefCountingObject() { EGLI_ASSERT( m_refCount == 0); }
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public:
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    virtual void AddRef() { m_refCount++; }
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    virtual int RefCount() const { return m_refCount; }
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    //returns true if object should be destroyed
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    virtual bool RemoveRef() { m_refCount--; EGLI_ASSERT(m_refCount >= 0); return (m_refCount == 0); }
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    virtual void Terminate() { m_terminated = true; }
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    virtual bool IsTerminated() const { return m_terminated; }
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protected:
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    int     m_refCount;
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    bool    m_terminated;
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    };
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template<class T> 
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extern void AddObject( std::vector<T*>& vector, T*& object );
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template<class T>
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extern T* FindObjectByPointer( const std::vector<T*>& vector, void* id, int* index );
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template<class T>
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extern  T* FindObjectById( const std::vector<T*>& vector, EGLint id, int* index );
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template<class T>
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extern  void DeleteObjectByPointer( std::vector<T*>& vector, void* item );
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template<class T>
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extern  void DeleteObjectById( std::vector<T*>& vector, EGLint id );
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template<class T>
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extern  void DestroyPointerVector( std::vector<T*>& vector );
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#endif //_EGLUTILS_H_