vtkShaderDeviceAdapter2.h

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

  Program:   Visualization Toolkit
  Module:    vtkShaderDeviceAdapter2.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 vtkShaderDeviceAdapter2_h
#define vtkShaderDeviceAdapter2_h

#include "vtkRenderingCoreModule.h" // For export macro
#include "vtkObject.h"

class vtkShaderProgram2;

class VTKRENDERINGCORE_EXPORT vtkShaderDeviceAdapter2 : public vtkObject
{
public:
  vtkTypeMacro(vtkShaderDeviceAdapter2, vtkObject);
  virtual void PrintSelf(ostream &os, vtkIndent indent);

  virtual void SendAttribute(const char* attrname, int components, int type,
                             const void* attribute,
                             unsigned long offset = 0) = 0;

  void SetShaderProgram(vtkShaderProgram2* program)
    { this->ShaderProgram = program; }
  vtkGetObjectMacro(ShaderProgram, vtkShaderProgram2)

  // Descrition:
  // This method is called before rendering. This gives the shader device
  // adapter an opportunity to collect information, such as attribute indices
  // that it will need while rendering.
  virtual void PrepareForRender() = 0;

protected:
  vtkShaderDeviceAdapter2();
  ~vtkShaderDeviceAdapter2();

  vtkShaderProgram2* ShaderProgram;

private:
  vtkShaderDeviceAdapter2(const vtkShaderDeviceAdapter2&) VTK_DELETE_FUNCTION;
  void operator=(const vtkShaderDeviceAdapter2&) VTK_DELETE_FUNCTION;

};

#endif