Inventor/SoSceneManager.h

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/*=======================================================================
 * Copyright 1991-1996, Silicon Graphics, Inc.
 * ALL RIGHTS RESERVED
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 * as set forth in FAR 52.227.19(c)(2) or subparagraph (c)(1)(ii) of the Rights
 * in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or
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 * Supplement.  Contractor/manufacturer is Silicon Graphics, Inc.,
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**=======================================================================*/
/*=======================================================================
** Author      : Author(s) (MMM yyyy)
** Modified by : David Mott (MMM yyyy)
** Modified by : Alain Dumesny (MMM yyyy)
**=======================================================================*/
/*=======================================================================
 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
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**=======================================================================*/
/*=======================================================================
** Modified by : VSG (MMM YYYY)
**=======================================================================*/


#ifndef _SO_SCENE_MANAGER_
#define _SO_SCENE_MANAGER_

#include <Inventor/SbColor.h>
#include <Inventor/SbColorRGBA.h>
#include <Inventor/SbViewportRegion.h>
#include <Inventor/SoType.h>
#include <Inventor/antialiasing/SoAntialiasingParameters.h>
#include <Inventor/helpers/SbGlContextHelper.h>
#include <Inventor/helpers/SbGlContextHelper.h>
#include <Inventor/STL/vector>
#include <Inventor/STL/set>
#include <Inventor/threads/SbThreadSpinlock.h>
#include <SoDeprecationRules.h>

class SiAntialiasingEventListener;
class SoNodeSensor;
class SoEvent;
class SoAction;
class SoHandleEventAction;
class SoGLRenderAction;
class SoNode;
class SoSceneManager;
class SoSceneManagerImpl;
class SoSensor;
class SoSFTime;
class SoOneShotSensor;
class SoGLRenderFromPBuffer;
class SoGLContext;
class SoSceneManagerSync;

// callback function prototypes
typedef void SoSceneManagerRenderCB(void *userData, SoSceneManager *mgr);

typedef SbBool SoAbortRenderCB(SoAction*,void *userData);

#if defined(_WIN32)
#pragma warning( push )
#pragma warning( disable: 4251 ) // 'identifier' : class 'type' needs to have dll-interface to be used by clients of class 'type2'
#endif

//
//  Class: SoSceneManager
//
//  Class which performs Inventor rendering and event handling
//  on a scene graph.
//

class  SoSceneManager
{
 public:

  SoSceneManager(int nb = 1);

  virtual ~SoSceneManager();

  virtual void render(SbBool clearWindow = TRUE, SbBool clearZbuffer = TRUE
#ifndef HIDDEN_FROM_DOC // internal undocumented parameters.
    , int id = 0, bool force = false
#endif
    );

  virtual SbBool processEvent(const SoEvent *event);

  void reinitialize();

  void scheduleRedraw();

  virtual void setSceneGraph(SoNode *newScene);

  virtual SoNode* getSceneGraph() const;

  void setWindowSize(const SbVec2s &newSize, const float &newScale = 1.0);

  const SbVec2s& getWindowSize() const;

  void setSize(const SbVec2s &newSize, const float &newScale = 1.0);

  const SbVec2s& getSize() const;
  
  void setOrigin(const SbVec2s &newOrigin);

  const SbVec2s& getOrigin() const;

  void setViewportRegion(const SbViewportRegion &newRegion);

  const SbViewportRegion &getViewportRegion() const;

  void setBackgroundColor(const SbColor &c);

  const SbColor& getBackgroundColor() const;

  void setBackgroundColorRGBA(const SbColorRGBA &color);

  SbColorRGBA getBackgroundColorRGBA() const;

  void setBackgroundIndex(int index);

  int getBackgroundIndex() const;

  void setRGBMode(SbBool onOrOff);

  SbBool isRGBMode() const;

  void setClearDepth(float depth);

  float getClearDepth() const;

  virtual void activate();

  virtual void deactivate();

  void setAutoInteractiveMode(SbBool flag);

  SbBool isAutoInteractiveMode() const;
  
  void setInteractive(SbBool flag);  
  
  void setRenderCallback( SoSceneManagerRenderCB *f, void *userData = NULL );

  SbBool isAutoRedraw() const;

  void setRedrawPriority(uint32_t priority);

  uint32_t getRedrawPriority() const;

  static uint32_t getDefaultRedrawPriority() { return 10000; }

  static void enableRealTimeUpdate(SbBool flag);

  static SbBool isRealTimeUpdateEnabled();

  void setShareContext(SbGLShareContext sc, SbBool issc = TRUE);

  enum AntialiasingMode
  {
    AUTO,

    FXAA,

    SMAA,

    FSAA,

    SUPERSAMPLING,
SoDEPRECATED
    ACCUM_BUFFERS = SUPERSAMPLING,

#ifndef HIDDEN_FROM_DOC
    NUM_ANTIALIASING_MODE,
#endif

    NO_ANTIALIASING
  };
  
  void setStillSuperSampling(float quality, float delay);

  float getStillSuperSamplingQuality();

  float getStillSuperSamplingDelay();

  void setAntialiasing(const float quality, const AntialiasingMode mode = AUTO);

  void setAntialiasing(SoAntialiasingParameters* advancedParameters);

  float getAntialiasingQuality() const;

  SoAntialiasingParameters* getAntialiasingParameters() const;

  AntialiasingMode getAntialiasingMode() const;

  void setAntialiasingEventListener(SiAntialiasingEventListener* listener);

  SiAntialiasingEventListener* getAntialiasingEventListener() const;

  void setHandleEventAction(SoHandleEventAction *hea);

  SoHandleEventAction *getHandleEventAction() const;

  void setGLRenderAction(SoGLRenderAction *ra);

  SoGLRenderAction* getGLRenderAction() const;

  void setAbortRenderCallback( SoAbortRenderCB *callback, void *userData = NULL );
  
#if 1             SoDEPRECATED
  void setAntialiasing(SbBool smoothing, int numPasses);
SoDEPRECATED
  void getAntialiasing(SbBool &smoothing, int &numPasses) const;
  
#endif 
private:

  void updateRealTimeSensor();

  //Multi GLWidget case
  void setGLRenderAction(SoGLRenderAction *ra, int i);
  SoGLRenderAction* getGLRenderAction(int i) const;

private:

  SbBool shouldAbortRender(SoAction* action) const;

  void setFloatingColorBuffer(SbBool enable, int size);

  bool needToSetViewport( const int id = 0 );

  void setNeedToSetViewport( const int id = 0 );


  static void scheduleRedraw(SoNode* node);

  void scheduleForcedRedraw();
  
  SoSceneManagerImpl* getImpl() const;

SoINTERNAL private:
 
  bool isActive() const;

  // This tells the app it is time to redraw by invoking the renderCB.
  void redraw();
  void fastEditRenderSceneRules(SoSensor *sensor);

private:

  SoSceneManagerImpl* m_impl;

  friend class SoGuiRenderArea;
  friend class SoRenderAreaCoreImpl;

};

#if defined(_WIN32)
#pragma warning( pop )
#endif

#endif // _SO_SCENE_MANAGER_

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Open Inventor Toolkit reference manual, generated on 12 Feb 2024
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