/* 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 _EGLOS_H_

#define _EGLOS_H_

#include "eglInternal.h"

#include "EGLConfig.h"

class CEGLDisplay;

class CEGLOs

{

public:

    static void InitializeLock( EGLI_LOCK *lock );

    static void GetLock( EGLI_LOCK *lock );

    static void ReleaseLock(EGLI_LOCK *lock );

    static void DestroyLock( EGLI_LOCK *lock );

    static void ConfigToNativePixelFormat( const CEGLConfig& config, EGLINativePixelFormatType* nativeFormat );

    static EGLINativeContextType CreateNativeContext( const CEGLConfig& config, EGLINativeDisplayType display, EGLINativeContextType shareContext );

    static EGLINativeContextType CurrentNativeContext();

    static EGLINativeDisplayType CurrentNativeSurface();

    static bool MakeNativeContextCurrent( struct EGLINativeGLFunctions* func, EGLINativeDisplayType draw, EGLINativeDisplayType read, EGLINativeContextType context );

    static bool DestroyNativeContext( EGLINativeContextType context );

    static bool InitializeNativeGLFunctions( struct EGLINativeGLFunctions* func, EGLINativeDisplayType display, EGLINativeContextType context );

    static struct EGLINativePbufferContainer* CreateNativePbuffer( EGLINativeDisplayType display,

            const CEGLConfig& config, EGLint width, EGLint height, EGLBoolean largestPbuffer, 

            EGLint textureFormat, EGLint textureTarget );

    static bool DestroyNativePbuffer( struct EGLINativePbufferContainer* container );

    static EGLINativeDisplayType CreateDefaultDisplay();

    static void DestroyDefaultDisplay( EGLINativeDisplayType display );

    static EGLINativeWindowType CreateNativeWindow( int width, int height );

    static void DestroyNativeWindow( EGLINativeWindowType wnd );

    static bool IsValidNativeDisplay( EGLINativeDisplayType dsp );

    static bool IsValidNativeWindow( EGLINativeWindowType wnd );

    static bool GetNativeWindowSize( EGLINativeWindowType wnd, int& width, int& height );

    static EGLIOsWindowContext* CreateOSWindowContext( EGLINativeWindowType wnd, const CEGLConfig& config );

    static void DestroyOSWindowContext( EGLIOsWindowContext* context );

    static void BlitToOSWindow( EGLenum api, CEGLDisplay* display, EGLIOsWindowContext* context, void* buf, int width, int height, int stride );

    static EGLILibraryHandle LoadHostGL();

    static void* GetGLProcAddress(EGLILibraryHandle& libraryHandle, const char* proc);

    static bool FreeClientLibrary(EGLILibraryHandle& libraryHandle);

    static IEGLtoVGInterface* LoadVGInterface( EGLILibraryHandle& libraryHandle );

    static IEGLtoGLESInterface* LoadGLES1Interface( EGLILibraryHandle& libraryHandle );

    static IEGLtoGLES2Interface* LoadGLES2Interface( EGLILibraryHandle& libraryHandle );

};