You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
83 lines
2.2 KiB
C
83 lines
2.2 KiB
C
3 weeks ago
|
/*=========================================================================
|
||
|
|
|
||
|
|
Program: Visualization Toolkit
|
||
|
|
Module: vtkPBRLUTTexture.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.
|
||
|
|
|
||
|
|
=========================================================================*/
|
||
|
|
/**
|
||
|
|
* @class vtkPBRLUTTexture
|
||
|
|
* @brief precompute BRDF look-up table texture used in physically based rendering
|
||
|
|
*
|
||
|
|
* This texture is a 2D texture which precompute Fresnel response scale (red) and bias (green)
|
||
|
|
* based on roughness (x) and angle between light and normal (y).
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef vtkPBRLUTTexture_h
|
||
|
|
#define vtkPBRLUTTexture_h
|
||
|
|
|
||
|
|
#include "vtkOpenGLTexture.h"
|
||
|
|
#include "vtkRenderingOpenGL2Module.h" // For export macro
|
||
|
|
#include "vtkSmartPointer.h" // For vtkSmartPointer
|
||
|
|
|
||
|
|
class vtkOpenGLFramebufferObject;
|
||
|
|
class vtkOpenGLRenderWindow;
|
||
|
|
class vtkOpenGLTexture;
|
||
|
|
class vtkRenderWindow;
|
||
|
|
|
||
|
|
class VTKRENDERINGOPENGL2_EXPORT vtkPBRLUTTexture : public vtkOpenGLTexture
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
static vtkPBRLUTTexture* New();
|
||
|
|
vtkTypeMacro(vtkPBRLUTTexture, vtkOpenGLTexture);
|
||
|
|
void PrintSelf(ostream& os, vtkIndent indent) override;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Implement base class method.
|
||
|
|
*/
|
||
|
|
void Load(vtkRenderer*) override;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Implement base class method.
|
||
|
|
*/
|
||
|
|
void Render(vtkRenderer* ren) override { this->Load(ren); }
|
||
|
|
|
||
|
|
//@{
|
||
|
|
/**
|
||
|
|
* Set/Get size of texture.
|
||
|
|
* Default is 1024.
|
||
|
|
*/
|
||
|
|
vtkGetMacro(LUTSize, unsigned int);
|
||
|
|
vtkSetMacro(LUTSize, unsigned int);
|
||
|
|
//@}
|
||
|
|
|
||
|
|
//@{
|
||
|
|
/**
|
||
|
|
* Set/Get the number of samples used during Monte-Carlo integration.
|
||
|
|
* Default is 512.
|
||
|
|
*/
|
||
|
|
vtkGetMacro(LUTSamples, unsigned int);
|
||
|
|
vtkSetMacro(LUTSamples, unsigned int);
|
||
|
|
//@}
|
||
|
|
|
||
|
|
protected:
|
||
|
|
vtkPBRLUTTexture() = default;
|
||
|
|
~vtkPBRLUTTexture() override = default;
|
||
|
|
|
||
|
|
unsigned int LUTSize = 512;
|
||
|
|
unsigned int LUTSamples = 1024;
|
||
|
|
|
||
|
|
private:
|
||
|
|
vtkPBRLUTTexture(const vtkPBRLUTTexture&) = delete;
|
||
|
|
void operator=(const vtkPBRLUTTexture&) = delete;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|