SoVertexAttribFeedback.h

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**=======================================================================*/
/*=======================================================================
** Author      : Damien DALLA ROSA (Apr 2011)
**=======================================================================*/
 
#if !defined(SO_VERTEXATTRIBFEEDBACK_H)
#define SO_VERTEXATTRIBFEEDBACK_H
 
#include <Inventor/fields/SoSFBool.h>
#include <Inventor/fields/SoSFEnum.h>
#include <Inventor/nodes/SoSeparator.h>
#include <Inventor/SbPImpl.h>
 
class SoGLBufferObject;
 
SO_PIMPL_PUBLIC_DECLARATION(SoVertexAttribFeedback)
 
 
class  SoVertexAttribFeedback : public SoSeparator
{
  SO_NODE_HEADER( SoVertexAttribFeedback );
  SO_PIMPL_PUBLIC_HEADER(SoVertexAttribFeedback)
 
  // ----------------------- Public usage --------------------------------------
 
public:
 
  enum BufferMode
  {
    INTERLEAVED,
 
    SEPARATE
  };
 
  enum PrimitiveType
  {
    LINES,
    POINTS,
    TRIANGLES
  };
 
  SoSFBool disableFragmentProcessing;
 
  SoSFBool autoResizeBuffers;
  
  SoSFBool queryGeneratedPrimitivesCount;
 
  SoSFEnum buffersMode;
 
  SoSFEnum primitiveType;
 
  SoVertexAttribFeedback();
 
  void registerFeedback(const SbString& varyingName, SoBufferObject* bufferObject, int primitiveSize = -1);
 
  void unregisterFeedback(const SbString& varyingName);
 
  int getGeneratedPrimitivesCount() const;
 
  static SbBool isSupported(SoState* state);
 
private:
 
  virtual void        callback(SoCallbackAction *action);
  virtual void        getBoundingBox(SoGetBoundingBoxAction *action);
  virtual void        getMatrix(SoGetMatrixAction *action);
  virtual void        handleEvent(SoHandleEventAction *action);
  virtual void        rayPick(SoRayPickAction *action);
  virtual void        search(SoSearchAction *action);
  virtual void        getPrimitiveCount(SoGetPrimitiveCountAction *action);
  virtual void        distribute(SoDistributeAction* action);
  virtual void        GLRenderInPath(SoGLRenderAction *action);
  virtual void        GLRenderOffPath(SoGLRenderAction *action);
  virtual void        GLRenderBelowPath(SoGLRenderAction*);
 
private:
  
  static void initClass();
 
  static void exitClass();
 
private:
 
  virtual ~SoVertexAttribFeedback();
 
 private:
 
  void commonConstructor();
};
 
#endif // SO_VERTEXATTRIBFEEDBACK_H