/usr/include/vtk-6.3/vtkOpenGLProjectedTetrahedraMapper.h is in libvtk6-dev 6.3.0+dfsg1-11build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Program: Visualization Toolkit
Module: vtkOpenGLProjectedTetrahedraMapper.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.
=========================================================================*/
/*
* Copyright 2003 Sandia Corporation.
* Under the terms of Contract DE-AC04-94AL85000, there is a non-exclusive
* license for use of this work by or on behalf of the
* U.S. Government. Redistribution and use in source and binary forms, with
* or without modification, are permitted provided that this Notice and any
* statement of authorship are reproduced on all copies.
*/
// .NAME vtkOpenGLProjectedTetrahedraMapper - OpenGL implementation of PT
//
// .SECTION Bugs
// This mapper relies highly on the implementation of the OpenGL pipeline.
// A typical hardware driver has lots of options and some settings can
// cause this mapper to produce artifacts.
//
#ifndef vtkOpenGLProjectedTetrahedraMapper_h
#define vtkOpenGLProjectedTetrahedraMapper_h
#include "vtkRenderingVolumeOpenGLModule.h" // For export macro
#include "vtkProjectedTetrahedraMapper.h"
class vtkVisibilitySort;
class vtkUnsignedCharArray;
class vtkFloatArray;
class vtkRenderWindow;
class vtkOpenGLRenderWindow;
class VTKRENDERINGVOLUMEOPENGL_EXPORT vtkOpenGLProjectedTetrahedraMapper
: public vtkProjectedTetrahedraMapper
{
public:
vtkTypeMacro(vtkOpenGLProjectedTetrahedraMapper,
vtkProjectedTetrahedraMapper);
static vtkOpenGLProjectedTetrahedraMapper *New();
virtual void PrintSelf(ostream &os, vtkIndent indent);
virtual void ReleaseGraphicsResources(vtkWindow *window);
virtual void Render(vtkRenderer *renderer, vtkVolume *volume);
// Description:
// Set/get whether to use floating-point rendering buffers rather
// than the default.
vtkSetMacro(UseFloatingPointFrameBuffer,bool);
vtkGetMacro(UseFloatingPointFrameBuffer,bool);
vtkBooleanMacro(UseFloatingPointFrameBuffer,bool);
// Description:
// Return true if the rendering context provides
// the nececessary functionality to use this class.
virtual bool IsSupported(vtkRenderWindow *context);
protected:
vtkOpenGLProjectedTetrahedraMapper();
~vtkOpenGLProjectedTetrahedraMapper();
void Initialize(vtkRenderer *ren);
bool Initialized;
int CurrentFBOWidth, CurrentFBOHeight;
bool AllocateFBOResources(vtkRenderer *ren);
bool CanDoFloatingPointFrameBuffer;
bool FloatingPointFrameBufferResourcesAllocated;
bool UseFloatingPointFrameBuffer;
bool HasHardwareSupport;
vtkUnsignedCharArray *Colors;
int UsingCellColors;
vtkFloatArray *TransformedPoints;
float MaxCellSize;
vtkTimeStamp InputAnalyzedTime;
vtkTimeStamp OpacityTextureTime;
vtkTimeStamp ColorsMappedTime;
int GaveError;
vtkVolumeProperty *LastProperty;
float *SqrtTable;
float SqrtTableBias;
virtual void ProjectTetrahedra(vtkRenderer *renderer, vtkVolume *volume);
float GetCorrectedDepth(float x, float y, float z1, float z2,
const float inverse_projection_mat[16],
int use_linear_depth_correction,
float linear_depth_correction);
private:
vtkOpenGLProjectedTetrahedraMapper(const vtkOpenGLProjectedTetrahedraMapper &); // Not Implemented.
void operator=(const vtkOpenGLProjectedTetrahedraMapper &); // Not Implemented.
class vtkInternals;
vtkInternals *Internals;
};
#endif
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