vtkOpenGLShaderProperty.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkShaderProperty.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 vtkOpenGLShaderProperty_h
#define vtkOpenGLShaderProperty_h
 
#include "vtkRenderingOpenGL2Module.h" // For export macro
#include "vtkShader.h"                 // For methods (shader types)
#include "vtkShaderProperty.h"
#include <map> // used for ivar
 
class vtkOpenGLUniforms;
 
class VTKRENDERINGOPENGL2_EXPORT vtkOpenGLShaderProperty : public vtkShaderProperty
{
public:
  vtkTypeMacro(vtkOpenGLShaderProperty, vtkShaderProperty);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  static vtkOpenGLShaderProperty* New();
 
  void DeepCopy(vtkOpenGLShaderProperty* p);
 
  virtual void AddVertexShaderReplacement(const std::string& originalValue,
    bool replaceFirst, // do this replacement before the default
    const std::string& replacementValue, bool replaceAll) override;
  virtual void AddFragmentShaderReplacement(const std::string& originalValue,
    bool replaceFirst, // do this replacement before the default
    const std::string& replacementValue, bool replaceAll) override;
  virtual void AddGeometryShaderReplacement(const std::string& originalValue,
    bool replaceFirst, // do this replacement before the default
    const std::string& replacementValue, bool replaceAll) override;
 
  int GetNumberOfShaderReplacements() override;
  std::string GetNthShaderReplacementTypeAsString(vtkIdType index) override;
  void GetNthShaderReplacement(vtkIdType index, std::string& name, bool& replaceFirst,
    std::string& replacementValue, bool& replaceAll) override;
 
  void ClearVertexShaderReplacement(const std::string& originalValue, bool replaceFirst) override;
  void ClearFragmentShaderReplacement(const std::string& originalValue, bool replaceFirst) override;
  void ClearGeometryShaderReplacement(const std::string& originalValue, bool replaceFirst) override;
  void ClearAllVertexShaderReplacements() override;
  void ClearAllFragmentShaderReplacements() override;
  void ClearAllGeometryShaderReplacements() override;
  void ClearAllShaderReplacements() override;
 
 
  void AddShaderReplacement(vtkShader::Type shaderType, // vertex, fragment, etc
    const std::string& originalValue,
    bool replaceFirst, // do this replacement before the default
    const std::string& replacementValue, bool replaceAll);
  void ClearShaderReplacement(vtkShader::Type shaderType, // vertex, fragment, etc
    const std::string& originalValue, bool replaceFirst);
  void ClearAllShaderReplacements(vtkShader::Type shaderType);
 
  typedef std::map<vtkShader::ReplacementSpec, vtkShader::ReplacementValue> ReplacementMap;
  const ReplacementMap& GetAllShaderReplacements() { return this->UserShaderReplacements; }
 
protected:
  vtkOpenGLShaderProperty();
  ~vtkOpenGLShaderProperty() override;
 
  ReplacementMap UserShaderReplacements;
 
private:
  vtkOpenGLShaderProperty(const vtkOpenGLShaderProperty&) = delete;
  void operator=(const vtkOpenGLShaderProperty&) = delete;
};
 
#endif