DtIndirectModelSubGeometry.h

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/*****************************************************************************
 * Copyright (c) 2021 MAK Technologies, Inc.
 * All rights reserved.
 *****************************************************************************/


#pragma once

#include <vrvOsg/vrvOsg.h>

#include <vrvOsg/DtIndirectGeometryTextures.h>
#include <vrvOsg/DtIndirectBindlessVertexFormat.h>

#define CPU_SIDE_COMPILATION 1
#include <../data/shaders/indirect/DrawElementsIndirectCommand.h>

#include <osg/Matrix>
#include <osg/ref_ptr>

#include <string>

namespace osg
{
   class State;
   class Geometry;
}

namespace makVrv
{
   class DtGlBuffer;

   class DtIndirectModelSubGeometry
   {
   public:
      DtIndirectModelSubGeometry(DtDe& de);

      virtual ~DtIndirectModelSubGeometry();

      DtIndirectModelSubGeometry(const DtIndirectModelSubGeometry& rhs) = delete;

      DtIndirectModelSubGeometry& operator=(const DtIndirectModelSubGeometry& rhs) = delete;

      DtIndirectModelSubGeometry() = delete;
   public:
      virtual void fillFrom(const osg::Geometry* srcGeometry, const osg::Matrix& matrix, DtIndirectGeometryTexturesRefPtr textureForThisGeometry);

      virtual void updateBuffersIfNecessary(bool& reloaded);

      virtual int maxCoords(void) const;

      virtual int numVertices(void) const;

      virtual int numIndices(void) const;

      virtual void unload();

      virtual bool isLoaded() const;

      virtual void setName(const std::string& name);

      virtual const std::string& name(void) const;

      virtual const BindlessPtrNV& vertexBufferBindless(void) const;

      virtual const BindlessPtrNV& additionalBufferBindless(void) const;

      virtual const BindlessPtrNV& indexBufferBindless(void) const;
   protected:
      virtual void releaseGLObjects(osg::State* state);

      virtual void createIndirectBuffers(void);

      virtual void deleteIndirectBuffers(void);

   protected:
      DtGlBuffer* myVertexAndAttributesBuffer;

      DtGlBuffer* myAdditionalCoordinatesBuffer;

      DtGlBuffer* myIndexBuffer;

      BindlessPtrNV myVertexBufferBindless;
      BindlessPtrNV myAdditionalBufferBindless;
      BindlessPtrNV myIndexBufferBindless;

      std::vector<int> myIndices;

      bool myBuffersUpdated;

      DtDe& myDe;

      std::string myName;

      std::vector<DtIndirectBindlessVertexFormat> myVertices;

      std::vector< std::vector<Vector2_32> > myTextureCoordinates;
   };
}