1 /* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

     2  *

     3  * Permission is hereby granted, free of charge, to any person obtaining a

     4  * copy of this software and /or associated documentation files

     5  * (the "Materials "), to deal in the Materials without restriction,

     6  * including without limitation the rights to use, copy, modify, merge,

     7  * publish, distribute, sublicense, and/or sell copies of the Materials,

     8  * and to permit persons to whom the Materials are furnished to do so,

     9  * subject to the following conditions:

    10  *

    11  * The above copyright notice and this permission notice shall be included

    12  * in all copies or substantial portions of the Materials.

    13  *

    14  * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

    15  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

    16  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

    17  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,

    18  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR

    19  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR

    20  * THE USE OR OTHER DEALINGS IN THE MATERIALS.

    21  *

    22  * Initial Contributors:

    23  * Nokia Corporation - initial contribution.

    24  *

    25  * Contributors:

    26  *

    27  * Description:

    28  *

    29  */

    30 

    31 #ifndef _EGLUTILS_H_

    32 #define _EGLUTILS_H_

    33 

    34 #include <vector>

    35 #include <EGL/egl.h>

    36 #include "eglDefinitions.h"

    37 

    38 class RefCountingObject

    39     {

    40 public:

    41     RefCountingObject() : m_refCount( 0 ), m_terminated( false ) {}

    42     virtual ~RefCountingObject() { EGLI_ASSERT( m_refCount == 0); }

    43 

    44 public:

    45     virtual void AddRef() { m_refCount++; }

    46     virtual int RefCount() const { return m_refCount; }

    47     //returns true if object should be destroyed

    48     virtual bool RemoveRef() { m_refCount--; EGLI_ASSERT(m_refCount >= 0); return (m_refCount == 0); }

    49     virtual void Terminate() { m_terminated = true; }

    50     virtual bool IsTerminated() const { return m_terminated; }

    51 

    52 protected:

    53     int     m_refCount;

    54     bool    m_terminated;

    55     };

    56 

    57 template<class T> 

    58 extern void AddObject( std::vector<T*>& vector, T*& object );

    59 

    60 template<class T>

    61 extern T* FindObjectByPointer( const std::vector<T*>& vector, void* id, int* index );

    62 

    63 template<class T>

    64 extern  T* FindObjectById( const std::vector<T*>& vector, EGLint id, int* index );

    65 

    66 template<class T>

    67 extern  void DeleteObjectByPointer( std::vector<T*>& vector, void* item );

    68 

    69 template<class T>

    70 extern  void DeleteObjectById( std::vector<T*>& vector, EGLint id );

    71 

    72 template<class T>

    73 extern  void DestroyPointerVector( std::vector<T*>& vector );

    74 

    75 

    76 #endif //_EGLUTILS_H_