vtkShadowMapPass.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkShadowMapPass.h
 
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
#ifndef vtkShadowMapPass_h
#define vtkShadowMapPass_h
 
#include "vtkRenderingOpenGLModule.h" // For export macro
#include "vtkRenderPass.h"
 
class vtkOpenGLRenderWindow;
class vtkInformationIntegerKey;
class vtkCamera;
class vtkLight;
class vtkFrameBufferObject;
class vtkShadowMapPassTextures; // internal
class vtkShadowMapPassLightCameras; // internal
class vtkShaderProgram2;
class vtkImageExport;
class vtkTextureObject;
class vtkImplicitHalo;
class vtkSampleFunction;
class vtkShadowMapBakerPass;
 
class VTKRENDERINGOPENGL_EXPORT vtkShadowMapPass : public vtkRenderPass
{
public:
  static vtkShadowMapPass *New();
  vtkTypeMacro(vtkShadowMapPass,vtkRenderPass);
  void PrintSelf(ostream& os, vtkIndent indent);
 
  //BTX
 
  virtual void Render(const vtkRenderState *s);
  //ETX
 
  void ReleaseGraphicsResources(vtkWindow *w);
 
 
  vtkGetObjectMacro(ShadowMapBakerPass,vtkShadowMapBakerPass);
  virtual void SetShadowMapBakerPass(
    vtkShadowMapBakerPass *shadowMapBakerPass);
 
 
  vtkGetObjectMacro(OpaquePass,vtkRenderPass);
  virtual void SetOpaquePass(vtkRenderPass *opaquePass);
 
 protected:
  vtkShadowMapPass();
 
  virtual ~vtkShadowMapPass();
 
  void BuildSpotLightIntensityMap();
 
  void CheckSupport(vtkOpenGLRenderWindow *w);
 
  vtkShadowMapBakerPass *ShadowMapBakerPass;
  vtkRenderPass *CompositeRGBAPass;
 
  vtkRenderPass *OpaquePass;
 
  vtkFrameBufferObject *FrameBufferObject;
 
  vtkShadowMapPassTextures *ShadowMaps;
  vtkShadowMapPassLightCameras *LightCameras;
  vtkShaderProgram2 *Program;
 
  vtkTextureObject *IntensityMap;
 
  vtkSampleFunction *IntensitySource;
  vtkImageExport *IntensityExporter;
  vtkImplicitHalo *Halo;
 
  vtkTimeStamp LastRenderTime;
 
private:
  vtkShadowMapPass(const vtkShadowMapPass&);  // Not implemented.
  void operator=(const vtkShadowMapPass&);  // Not implemented.
};
 
#endif