//##################################################################################################
//
//   Custom Visualization Core library
//   Copyright (C) 2011-2012 Ceetron AS
//    
//   This library is free software: you can redistribute it and/or modify 
//   it under the terms of the GNU General Public License as published by 
//   the Free Software Foundation, either version 3 of the License, or 
//   (at your option) any later version. 
//    
//   This library is distributed in the hope that it will be useful, but WITHOUT ANY 
//   WARRANTY; without even the implied warranty of MERCHANTABILITY or 
//   FITNESS FOR A PARTICULAR PURPOSE.   
//    
//   See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>> 
//   for more details. 
//
//##################################################################################################

#pragma once

#include "cvfObject.h"
#include "cvfCollection.h"
#include "cvfBoundingBox.h"
#include "cvfPerformanceInfo.h"

namespace cvf {

class Rendering;
class OpenGLContext;


//==================================================================================================
//
// RenderSequence
//
//==================================================================================================
class RenderSequence : public Object
{
public:
    RenderSequence();

    uint			        renderingCount() const;
    void                    addRendering(Rendering* rendering);
    void                    insertRendering(const Rendering* beforeRendering, Rendering* rendering);
    Rendering*              firstRendering();
    const Rendering*        firstRendering() const;
    Rendering*              rendering(uint index);
    const Rendering*        rendering(uint index) const;
    void                    removeAllRenderings();
    void                    removeRendering(const Rendering* rendering);

    BoundingBox             boundingBox() const;

    void                    render(OpenGLContext* oglContext);
    const PerformanceInfo&  performanceInfo() const;

    void                    deleteOrReleaseOpenGLResources(OpenGLContext* oglContext);

private:
    static void             preRenderApplyExpectedOpenGLState(OpenGLContext* oglContext);

private:
    Collection<Rendering>   m_renderings;       // One rendering per render pass
    PerformanceInfo         m_performanceInfo;  // Performance summary for this view
};

}