/****************************************************************************

**

** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (developer.feedback@nokia.com)

**

** This file is part of the HbServers module of the UI Extensions for Mobile.

**

** GNU Lesser General Public License Usage

** This file may be used under the terms of the GNU Lesser General Public

** License version 2.1 as published by the Free Software Foundation and

** appearing in the file LICENSE.LGPL included in the packaging of this file.

** Please review the following information to ensure the GNU Lesser General

** Public License version 2.1 requirements will be met:

** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at developer.feedback@nokia.com.

**

****************************************************************************/

#ifndef HBSGIMAGERENDERER_P_H

#define HBSGIMAGERENDERER_P_H

#include <QHash>

#include <EGL/egl.h>

#include <sgresource/sgimage.h>

#include <hbthemecommon_symbian_p.h>

class HbNvgEngine;

typedef EGLBoolean (*NOK_resource_profiling)(EGLDisplay, EGLint, EGLint*, EGLint, EGLint*);

class HbSgImageRenderer

{

public:

    HbSgImageRenderer();

    ~HbSgImageRenderer();

    HbNvgEngine * nvgEngine() { return engine;}

    bool initialize();

    bool beginRendering(RSgImage * sgImage);

    void endRendering();    

    static HbSgImageRenderer *global();

    static void addSgImageToHash(unsigned long long id, RSgImage* sgImage);

    static void removeSgImageFromHash(unsigned long long id);

    void terminate();

    int  lastError();

    void setLastError(int lastError);

    unsigned long totalGPUMemory();

    unsigned long freeGPUMemory();

private:

    bool createContext(RSgImage * sgImage);

    EGLint* getProfileData(EGLint & data_count);

    NOK_resource_profiling eglQueryProfilingData;

    EGLint data_count;

    EGLint* prof_data;

    EGLDisplay  display;

    EGLSurface  currentSurface;

    EGLContext  eglContext;

    EGLConfig   eglConfig;

    bool        init;

    RSgDriver sgDriver;

    static QHash<unsigned long long, RSgImage*> sgImageHash;

    HbNvgEngine *engine;

    int         errorCode;

};

#endif