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OpenGLBufferC.h

//-------------------------------------------------------------------------
//
// File:        OpenGLBufferI.h
// Desc:        OpenGL off-screen graphics rendering interface.
// Author:      memon <memon@inside.org>
//
//-------------------------------------------------------------------------
//  Copyright (c) 2000 Moppi Productions. All Rights Reserved.
//  This file is part of Moppi Demopaja SDK. For conditions of 
//  distribution and use, see the accompanying license.txt file.
//  http://moppi.inside.org/demopaja/
//-------------------------------------------------------------------------

#ifndef __DEMOPAJA_OPENGLBUFFERC_H__
#define __DEMOPAJA_OPENGLBUFFERC_H__

// Forward declaration
namespace PajaSystem {
    class OpenGLBufferC;
};

#include <gl\gl.h>
#include "wglext.h"
#include "PajaTypes.h"
#include "DeviceInterfaceI.h"
#include "DataBlockI.h"
#include "ClassIdC.h"
#include "GraphicsDeviceI.h"
#include "OpenGLViewportC.h"
#include "OpenGLDeviceC.h"

namespace PajaSystem {


    const PluginClass::ClassIdC CLASS_OPENGL_BUFFER = PluginClass::ClassIdC( 0, 10003 );



    class OpenGLBufferC : public GraphicsBufferI
    {
    public:
        virtual Edit::DataBlockI*               create();
        static OpenGLBufferC*                   create_new( GraphicsDeviceI* pDevice );
        virtual PluginClass::ClassIdC           get_class_id() const;
        virtual const char*                     get_class_name();
        virtual DeviceInterfaceI*               query_interface( const PluginClass::SuperClassIdC& rSuperClassId );

        virtual void                            set_graphicsdevice( GraphicsDeviceI* pDevice );


        virtual bool                            init( PajaTypes::uint32 ui32Flags,
                                                      PajaTypes::uint32 ui32Width = 0,
                                                      PajaTypes::uint32 ui32Height = 0 );
        virtual void                            flush();

        virtual void                            bind_texture( PajaSystem::DeviceInterfaceI* pInterface, PajaTypes::uint32 ui32Properties );

        virtual void                            read_pixels( PajaTypes::uint32 ui32Flags, void* pData );

        virtual void                            activate();

    protected:
        OpenGLBufferC();
        OpenGLBufferC( GraphicsDeviceI* pDevice );
        virtual ~OpenGLBufferC();

        void        destroy();

        OpenGLDeviceC*      m_pParentDev;
        OpenGLViewportC*    m_pViewport;

        HPBUFFERARB         m_hPBuffer;
        HDC                 m_hPBufferDC;
        HGLRC               m_hPBufferRC;
        PajaTypes::uint32   m_ui32InitFlags;

        PajaTypes::uint32   m_ui32PBufferTexID;
    };

};  // namespace

#endif // __DEMOPAJA_GRAPHICSBUFFERI_H__

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