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

 *

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

 * copy of this software and /or associated documentation files

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

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

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

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

 * subject to the following conditions:

 *

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

 * in all copies or substantial portions of the Materials.

 *

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

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

 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

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

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

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

 * THE USE OR OTHER DEALINGS IN THE MATERIALS.

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description:

 *

 */

#ifndef _EGLTHREAD_H_

#define _EGLTHREAD_H_

#include <EGL/egl.h>

#include "eglInternal.h"

class CEGLSurface;

class CEGLContext;

class CEGLThread

{

public:

	CEGLThread( EGLI_THREAD_ID threadId, EGLint supportedApis );

	~CEGLThread(void);

public:

    inline EGLI_THREAD_ID Id() const { return m_id; }

    void SetError( EGLint error ) { m_lastError = error; }

    inline EGLint Error() const { return m_lastError; }

    inline void SetApi( EGLint api ) { m_currentApi = api; }

    inline EGLenum CurrentApi() const { return m_currentApi; }

    bool IsSupportedApi( EGLenum api ) const;

    CEGLContext* SwitchVGContext( CEGLContext* vgContext );

    inline CEGLContext* CurrentVGContext() const { return m_currentVGContext; }

    CEGLSurface* SwitchVGSurface( CEGLSurface* vgSurface );

    inline CEGLSurface* CurrentVGSurface() const { return m_currentVGSurface; }

	CEGLContext* SwitchGLESContext( CEGLContext* glesContext );

	inline CEGLContext* CurrentGLESContext() const { return m_currentGLESContext; }

	void SwitchGLESSurfaces( CEGLSurface* read, CEGLSurface* draw, CEGLSurface*& previousRead, CEGLSurface*& previousDraw );

    void CurrentGLESSurfaces( CEGLSurface** read, CEGLSurface** draw ) const;

private:

    EGLI_THREAD_ID  m_id;

	CEGLContext*    m_currentVGContext;

    CEGLSurface*    m_currentVGSurface;

    CEGLContext*    m_currentGLESContext;

	CEGLSurface*    m_currentGLESReadSurface;

    CEGLSurface*    m_currentGLESDrawSurface;

    EGLenum         m_currentApi;

    EGLint          m_lastError;

    // Copy of CEGLState::m_supportedApis so we don't need to access state

    // on thread specific API calls.

    EGLint          m_supportedApis; 

};

#endif //_EGLTHREAD_H_