dox/Rendering/vtkOpenGLProperty.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkOpenGLProperty.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 __vtkOpenGLProperty_h
#define __vtkOpenGLProperty_h

#include "vtkProperty.h"

class vtkOpenGLRenderer;
class vtkShader2;
class vtkShader2Collection;
class vtkShaderProgram2;
class vtkGLSLShaderDeviceAdapter2;

class VTK_RENDERING_EXPORT vtkOpenGLProperty : public vtkProperty
{
public:
  static vtkOpenGLProperty *New();
  vtkTypeMacro(vtkOpenGLProperty,vtkProperty);
  virtual void PrintSelf(ostream& os, vtkIndent indent);

  void Render(vtkActor *a, vtkRenderer *ren);

  void BackfaceRender(vtkActor *a, vtkRenderer *ren);
  
  //BTX

  virtual void PostRender(vtkActor *a,
                          vtkRenderer *r);
  
  virtual void ReleaseGraphicsResources(vtkWindow *win);


  vtkGetObjectMacro(PropProgram,vtkShaderProgram2);
  void SetPropProgram(vtkShaderProgram2 *);
  

  vtkGetObjectMacro(ShaderDeviceAdapter2,vtkGLSLShaderDeviceAdapter2);
  

  vtkGetObjectMacro(CurrentShaderProgram2,vtkShaderProgram2);
  //ETX
  

  virtual void AddShaderVariable(const char *name,int numVars,int *x);
  virtual void AddShaderVariable(const char *name,int numVars,float *x);
  virtual void AddShaderVariable(const char *name,int numVars,double *x);

protected:
  vtkOpenGLProperty();
  ~vtkOpenGLProperty();

  void LoadMultiTexturingExtensions(vtkRenderer* ren);
  
  virtual void ReadFrameworkMaterial();
  
  // Owned. Result of merging the shader program of the renderer and the
  // PropProgram.
  vtkShaderProgram2 *CachedShaderProgram2;
  
  vtkShaderProgram2 *LastRendererShaderProgram2; // just a ref
  vtkShaderProgram2 *LastPropProgram; // just a ref
  vtkShaderProgram2 *PropProgram; // owned
  
  // Point to CachedShaderProgram2 if Shading is on and the context supports
  // it.
  vtkShaderProgram2 *CurrentShaderProgram2;
  
  vtkShader2 *DefaultMainVS;
  vtkShader2 *DefaultMainFS;
  vtkShader2 *DefaultPropVS;
  vtkShader2 *DefaultPropFS;
  bool UseDefaultMainVS;
  bool UseDefaultMainFS;
  bool UseDefaultPropVS;
  bool UseDefaultPropFS;
  vtkGLSLShaderDeviceAdapter2 *ShaderDeviceAdapter2;
  
  
private:
  vtkOpenGLProperty(const vtkOpenGLProperty&);  // Not implemented.
  void operator=(const vtkOpenGLProperty&);  // Not implemented.
};

#endif

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