OgreGL3PlusRenderToVertexBuffer.h

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/*
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This source file is part of OGRE
    (Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-2013 Torus Knot Software Ltd

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*/
#ifndef __GL3PlusRenderToVertexBuffer_H__
#define __GL3PlusRenderToVertexBuffer_H__

#include "OgreRenderToVertexBuffer.h"
#include "OgreGL3PlusPrerequisites.h"

namespace Ogre {
    class _OgreGL3PlusExport GL3PlusRenderToVertexBuffer : public RenderToVertexBuffer
    {    
    public:
        GL3PlusRenderToVertexBuffer();
        virtual ~GL3PlusRenderToVertexBuffer();

        virtual void getRenderOperation(RenderOperation& op);

        virtual void update(SceneManager* sceneMgr);
    protected:
        void reallocateBuffer(size_t index);
        void bindVerticesOutput(Pass* pass);
        String getSemanticVaryingName(VertexElementSemantic semantic, unsigned short index);
        HardwareVertexBufferSharedPtr mVertexBuffers[2];
        size_t mFrontBufferIndex;
        GLuint mPrimitivesDrawnQuery;
        bool mFeedbackActive;
    };
}

#endif