---

GraphicsBufferI.h

//-------------------------------------------------------------------------
//
// File:        GraphicsBufferI.h
// Desc:        Off-screen graphics rendering interface.
// Author:      memon <memon@inside.org>
//
//-------------------------------------------------------------------------
//  Copyright (c) 2000-2002 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_GRAPHICSBUFFERI_H__
#define __DEMOPAJA_GRAPHICSBUFFERI_H__

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

#include "PajaTypes.h"
#include "DeviceInterfaceI.h"
#include "DataBlockI.h"
#include "ClassIdC.h"
#include "GraphicsDeviceI.h"

namespace PajaSystem {


    const PluginClass::SuperClassIdC        SUPERCLASS_GRAPHICSBUFFER = PluginClass::SuperClassIdC( 0x3000004 );

    enum GBufferReadE {
        GRAPHICSBUFFER_GET_RGB = 1,     
        GRAPHICSBUFFER_GET_RGBA,        
        GRAPHICSBUFFER_GET_ALPHA,       
        GRAPHICSBUFFER_GET_DEPTH,       
        GRAPHICSBUFFER_GET_STENCIL,     
    };

    enum GBufferInitE {
        GRAPHICSBUFFER_INIT_OFFSCREEN,  
        GRAPHICSBUFFER_INIT_TEXTURE,    
    };


    class GraphicsBufferI : public DeviceInterfaceI
    {
    public:
        virtual Edit::DataBlockI*               create() = 0;
        virtual void                            set_graphicsdevice( GraphicsDeviceI* pDevice ) = 0;

        virtual PluginClass::SuperClassIdC      get_super_class_id() const;

        virtual PajaTypes::uint32               save( FileIO::SaveC* pSave );
        virtual PajaTypes::uint32               load( FileIO::LoadC* pLoad );


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


        virtual void                            bind_texture( PajaSystem::DeviceInterfaceI* pInterface, PajaTypes::uint32 ui32Properties ) = 0;


        virtual void                            read_pixels( PajaTypes::uint32 ui32Flags, void* pData ) = 0;

    protected:
        GraphicsBufferI();
        virtual ~GraphicsBufferI();

    };

};  // namespace

#endif // __DEMOPAJA_GRAPHICSBUFFERI_H__

---