0026149: Visualization - depth buffer should not be written within Z-layers without...

[occt.git] / src / Graphic3d / Graphic3d_CView.hxx

// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.

#ifndef _Graphic3d_CView_HeaderFile
#define _Graphic3d_CView_HeaderFile

#include <InterfaceGraphic_Graphic3d.hxx>
#include <InterfaceGraphic_Visual3d.hxx>
#include <Graphic3d_RenderingParams.hxx>
#include <Graphic3d_TextureEnv.hxx>
#include <Graphic3d_Camera.hxx>

#include <Graphic3d_CLight.hxx>
#include <Graphic3d_SequenceOfHClipPlane.hxx>

class CALL_DEF_VIEWCONTEXT
{

public:

  CALL_DEF_VIEWCONTEXT()
  : Aliasing (0),
    BackZClipping  (0),
    FrontZClipping (0),
    DepthCueing (0),
    ZClipFrontPlane (0.0f),
    ZClipBackPlane  (0.0f),
    DepthFrontPlane (0.0f),
    DepthBackPlane  (0.0f),
    Model (0),
    Visualization (0),
    NbActiveLight (0),
    ActiveLight (NULL),
    SurfaceDetail (0),
    ClipPlanes()
  {
    //
  }

public:

  int   Aliasing;

  int   BackZClipping;
  int   FrontZClipping;

  int   DepthCueing;

  float ZClipFrontPlane;
  float ZClipBackPlane;

  float DepthFrontPlane;
  float DepthBackPlane;

  int   Model;
  int   Visualization;

  int   NbActiveLight;
  Graphic3d_CLight* ActiveLight;

  Handle(Graphic3d_TextureEnv) TextureEnv;
  int   SurfaceDetail;

  Graphic3d_SequenceOfHClipPlane ClipPlanes;

  Handle(Graphic3d_Camera) Camera;
};

class Graphic3d_CView
{

public:

  Graphic3d_CView()
  : WsId (-1),
    ViewId (0),
    ptrView (NULL),
    IsDeleted (0),
    IsOpen (0),
    Active (0),
    ptrUnderLayer (NULL),
    ptrOverLayer  (NULL),
    Backfacing  (0),
    GContext (NULL),
    GDisplayCB  (NULL),
    GClientData (NULL),
    ptrFBO (NULL),
    WasRedrawnGL (0),
    IsCullingEnabled (Standard_True)
  {
    memset (&DefWindow, 0, sizeof(DefWindow));
  }

public:

  int   WsId;
  int   ViewId;
  void* ptrView;

  int   IsDeleted;
  int   IsOpen;

  int   Active;

  CALL_DEF_VIEWCONTEXT     Context;

  CALL_DEF_WINDOW          DefWindow;

  void* ptrUnderLayer;
  void* ptrOverLayer;

  int   Backfacing;

  Aspect_RenderingContext    GContext;
  Aspect_GraphicCallbackProc GDisplayCB;
  void* GClientData;

  void* ptrFBO;

  //! Was the window redrawn by standard OpenGL?
  mutable int WasRedrawnGL;

  //! Specifies rendering parameters and effects.
  Graphic3d_RenderingParams RenderParams;

  //! Enables/disables frustum culling.
  Standard_Boolean IsCullingEnabled;

};

#endif // Graphic3d_CView_HeaderFile