ResInsight/VisualizationModules/LibRender/cvfPrimitiveSetIndexedUShortScoped.h

//##################################################################################################
//
//   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 "cvfPrimitiveSet.h"

namespace cvf {

class BufferObjectManaged;


//==================================================================================================
//
// 
//
//==================================================================================================
class PrimitiveSetIndexedUShortScoped : public PrimitiveSet
{
public:
    PrimitiveSetIndexedUShortScoped(PrimitiveType primitiveType);
    virtual ~PrimitiveSetIndexedUShortScoped();

    virtual void        render(OpenGLContext* oglContext) const;
    virtual void        createUploadBufferObjectsGPU(OpenGLContext* oglContext);
    virtual void        releaseBufferObjectsGPU();

    void                setIndices(UShortArray* indices, size_t firstElement, size_t elementCount);
    void                setScope(size_t firstElement, size_t elementCount);

    const UShortArray*  indices() const;
    size_t              scopeFirstElement() const;
    size_t              scopeElementCount() const;

    virtual size_t      indexCount() const;
    virtual uint        index(size_t i) const;

private:
    ref<UShortArray>            m_indices;
    size_t                      m_firstElement;
    size_t                      m_elementCount;
    ref<BufferObjectManaged>    m_indicesBO;
};

}