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/*=========================================================================
Program: Visualization Toolkit
Module: vtkColorMaterialHelper.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.
=========================================================================*/
// .NAME vtkColorMaterialHelper - a helper to assist in simulating the
// ColorMaterial behaviour of the default OpenGL pipeline.
//
// .SECTION Description
// vtkColorMaterialHelper is a helper to assist in simulating the
// ColorMaterial behaviour of the default OpenGL pipeline. Look at
// vtkColorMaterialHelper_s for available GLSL functions.
//
// .SECTION see also
// vtkShaderProgram2
#ifndef vtkColorMaterialHelper_h
#define vtkColorMaterialHelper_h
#include "vtkRenderingOpenGLModule.h" // For export macro
#include "vtkObject.h"
class vtkShaderProgram2;
class VTKRENDERINGOPENGL_EXPORT vtkColorMaterialHelper : public vtkObject
{
public:
static vtkColorMaterialHelper* New();
vtkTypeMacro(vtkColorMaterialHelper, vtkObject);
void PrintSelf(ostream& os, vtkIndent indent);
//BTX
void Initialize(vtkShaderProgram2*);
vtkGetObjectMacro(Shader, vtkShaderProgram2);
//ETX
// Description:
// Capture current OpenGL state and initialize uniform variables
// used by the helper shader.
void SetUniformVariables();
// Description:
// Captures current OpenGL state.
// DEPRECATED (Use PrepareForRendering2 instead)
void PrepareForRendering();
// Description:
// Initializes uniform variables with the last captured
// OpenGL state.
// NOTHING IS RENDERED THIS SETS UNIFORMS.
// DEPRECATED: Use SetUnformVariables instead.
void Render();
//BTX
protected:
vtkColorMaterialHelper();
~vtkColorMaterialHelper();
void SetShader(vtkShaderProgram2*);
vtkShaderProgram2 * Shader;
enum eMaterialParamater
{
DISABLED = 0,
AMBIENT = 1,
DIFFUSE = 2,
SPECULAR = 3,
AMBIENT_AND_DIFFUSE = 4,
EMISSION = 5
};
eMaterialParamater Mode;
private:
vtkColorMaterialHelper(const vtkColorMaterialHelper&); // Not implemented.
void operator=(const vtkColorMaterialHelper&); // Not implemented.
//ETX
};
#endif
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