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

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

// 

#ifndef EGLAPIWRAPPER_H

#define EGLAPIWRAPPER_H

#ifndef PSU_PLATFORMTYPES_H

#include "platformtypes.h"

#endif

#include <map>

#include "eglrfc.h"

#include "apiwrapper.h"

#include "egltypes.h"

class KhronosAPIWrapper;

struct TSurfaceKey

{

public:

	int iDpy;

	int iSurfaceId;

	TUint64 iProcId;

public:

	TSurfaceKey( int aDpy, int aSurfaceId, TUint32 aProcId ) : iDpy( aDpy ), iSurfaceId( aSurfaceId ), iProcId( aProcId )

	{

	}

	void set( int aDpy, int aSurfaceId, TUint32 aProcId )

	{

		iDpy = aDpy; iSurfaceId = aSurfaceId; iProcId = aProcId;

	}

	bool operator<(const TSurfaceKey& aOtherKey) const

	{ 

		if( iDpy != aOtherKey.iDpy )					{ return iDpy < aOtherKey.iDpy; }

		else if( iSurfaceId != aOtherKey.iSurfaceId )	{ return iSurfaceId < aOtherKey.iSurfaceId; }

		else if( iProcId!= aOtherKey.iProcId )			{ return iProcId < aOtherKey.iProcId; }

		else {return false; }

	}

};

struct TSurfaceData

{

public:

	SymbianWindow* iWindow;

	//sgImage-related data here later on

public:

	TSurfaceData( SymbianWindow* aWindow ) : iWindow( aWindow )

	{

	}

};

/**

* This maps surfaces to their native symbian windows, and other metadata

*

*/

typedef std::map< TSurfaceKey, TSurfaceData > TSurfaceMap;

class MGraphicsVHWCallback;

class EGLAPIWrapper: public APIWrapper

{

public:

    EGLAPIWrapper( RemoteFunctionCallData& currentFunctionCallData, APIWrapperStack* stack,

	        void* result,

			MGraphicsVHWCallback* serviceIf,

			void* surfacebuffer, KhronosAPIWrapper* aAPIWrapper );

    int WriteReply();

    int DispatchRequest( unsigned long aCode );

	void SetProcessInformation( TUint32 aProcess, TUint32 aThread );

	void Cleanup( TUint32 aProcess, TUint32 aThread );

private:

	int eglGetError();

    int eglGetDisplay();

    int eglInitialize();

    int eglTerminate();

    int eglQueryString();

    int eglGetConfigs();

    int eglChooseConfig();

    int eglGetConfigAttrib();

    int eglCreateWindowSurface();

    int eglCreatePbufferSurface();

    int eglCreatePixmapSurface();

    int eglDestroySurface();

    int eglQuerySurface();

    int eglBindAPI();

    int eglQueryAPI();

    int eglWaitClient();

    int eglReleaseThread();

    int eglCreatePbufferFromClientBuffer();

    int eglSurfaceAttrib();

    int eglBindTexImage();

    int eglReleaseTexImage();

    int eglSwapInterval();

    int eglCreateContext();

    int eglDestroyContext();

    int eglMakeCurrent();

    int eglGetCurrentContext();

    int eglGetCurrentSurface();

    int eglGetCurrentDisplay();

    int eglQueryContext();

    int eglWaitGL();

    int eglWaitNative();

    int eglSwapBuffers();

    int eglCopyBuffers();

	int eglPixmapSurfaceSizeChanged();

private://Meta calls

	int eglMetaGetConfigs();

private:

	int m_lastEglError;

	EglRFC m_currentFunctionCall;

	void* m_surfaceBuffer;

	TSurfaceMap m_windowMap;

	KhronosAPIWrapper* m_APIWrapper;

};

#endif