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vtkOpenGLProjectedTetrahedraMapper.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkOpenGLProjectedTetrahedraMapper.h
5 
6  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7  All rights reserved.
8  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9 
10  This software is distributed WITHOUT ANY WARRANTY; without even
11  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12  PURPOSE. See the above copyright notice for more information.
13 
14 =========================================================================*/
15 
16 /*
17  * Copyright 2003 Sandia Corporation.
18  * Under the terms of Contract DE-AC04-94AL85000, there is a non-exclusive
19  * license for use of this work by or on behalf of the
20  * U.S. Government. Redistribution and use in source and binary forms, with
21  * or without modification, are permitted provided that this Notice and any
22  * statement of authorship are reproduced on all copies.
23  */
24 
36 #ifndef vtkOpenGLProjectedTetrahedraMapper_h
37 #define vtkOpenGLProjectedTetrahedraMapper_h
38 
39 #include "vtkRenderingVolumeOpenGL2Module.h" // For export macro
41 
42 #include "vtkOpenGLHelper.h" // used for ivars
43 
44 class vtkVisibilitySort;
46 class vtkFloatArray;
47 class vtkRenderWindow;
51 
52 class VTKRENDERINGVOLUMEOPENGL2_EXPORT vtkOpenGLProjectedTetrahedraMapper
54 {
55 public:
59  void PrintSelf(ostream &os, vtkIndent indent) override;
60 
61  void ReleaseGraphicsResources(vtkWindow *window) override;
62 
63  void Render(vtkRenderer *renderer, vtkVolume *volume) override;
64 
66 
70  vtkSetMacro(UseFloatingPointFrameBuffer,bool);
71  vtkGetMacro(UseFloatingPointFrameBuffer,bool);
72  vtkBooleanMacro(UseFloatingPointFrameBuffer,bool);
74 
79  bool IsSupported(vtkRenderWindow *context) override;
80 
81 protected:
84 
85  void Initialize(vtkRenderer *ren);
87  int CurrentFBOWidth, CurrentFBOHeight;
88  bool AllocateFOResources(vtkRenderer *ren);
93 
96 
98 
99  float MaxCellSize;
102 
103  // The VBO and its layout.
105 
106  // Structures for the various cell types we render.
108 
110 
112 
114 
115  float *SqrtTable;
117 
118  virtual void ProjectTetrahedra(vtkRenderer *renderer, vtkVolume *volume,
119  vtkOpenGLRenderWindow* renWin);
120 
121  float GetCorrectedDepth(float x, float y, float z1, float z2,
122  const float inverse_projection_mat[16],
123  int use_linear_depth_correction,
124  float linear_depth_correction);
125 
130  void GLSafeUpdateProgress(double value, vtkOpenGLRenderWindow* context);
131 
132 private:
134  void operator=(const vtkOpenGLProjectedTetrahedraMapper &) = delete;
135 
136  class vtkInternals;
137  vtkInternals *Internals;
138 };
139 
140 #endif
vtkOpenGLProjectedTetrahedraMapper::CurrentFBOWidth
int CurrentFBOWidth
Definition: vtkOpenGLProjectedTetrahedraMapper.h:87
vtkOpenGLProjectedTetrahedraMapper::MaxCellSize
float MaxCellSize
Definition: vtkOpenGLProjectedTetrahedraMapper.h:99
vtkUnstructuredGridVolumeMapper::ReleaseGraphicsResources
void ReleaseGraphicsResources(vtkWindow *) override
WARNING: INTERNAL METHOD - NOT INTENDED FOR GENERAL USE Release any graphics resources that are being...
Definition: vtkUnstructuredGridVolumeMapper.h:75
vtkVolume
represents a volume (data & properties) in a rendered scene
Definition: vtkVolume.h:50
vtkOpenGLProjectedTetrahedraMapper::UseFloatingPointFrameBuffer
bool UseFloatingPointFrameBuffer
Definition: vtkOpenGLProjectedTetrahedraMapper.h:91
vtkProjectedTetrahedraMapper::PrintSelf
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkX3D::value
Definition: vtkX3D.h:220
vtkOpenGLProjectedTetrahedraMapper::InputAnalyzedTime
vtkTimeStamp InputAnalyzedTime
Definition: vtkOpenGLProjectedTetrahedraMapper.h:100
vtkOpenGLProjectedTetrahedraMapper::Framebuffer
vtkOpenGLFramebufferObject * Framebuffer
Definition: vtkOpenGLProjectedTetrahedraMapper.h:113
vtkFloatArray
dynamic, self-adjusting array of float
Definition: vtkFloatArray.h:41
vtkTimeStamp
record modification and/or execution time
Definition: vtkTimeStamp.h:35
vtkUnsignedCharArray
dynamic, self-adjusting array of unsigned char
Definition: vtkUnsignedCharArray.h:41
vtkOpenGLFramebufferObject
Internal class which encapsulates OpenGL FramebufferObject.
Definition: vtkOpenGLFramebufferObject.h:182
vtkOpenGLHelper.h
vtkOpenGLProjectedTetrahedraMapper::SqrtTableBias
float SqrtTableBias
Definition: vtkOpenGLProjectedTetrahedraMapper.h:116
vtkOpenGLProjectedTetrahedraMapper::LastProperty
vtkVolumeProperty * LastProperty
Definition: vtkOpenGLProjectedTetrahedraMapper.h:111
vtkProjectedTetrahedraMapper::IsSupported
virtual bool IsSupported(vtkRenderWindow *)
Return true if the rendering context provides the nececessary functionality to use this class.
Definition: vtkProjectedTetrahedraMapper.h:81
vtkProjectedTetrahedraMapper.h
vtkWindow
window superclass for vtkRenderWindow
Definition: vtkWindow.h:37
vtkOpenGLProjectedTetrahedraMapper::UsingCellColors
int UsingCellColors
Definition: vtkOpenGLProjectedTetrahedraMapper.h:95
vtkOpenGLHelper
Definition: vtkOpenGLHelper.h:30
vtkIndent
a simple class to control print indentation
Definition: vtkIndent.h:39
vtkOpenGLVertexBufferObject
Definition: vtkOpenGLVertexBufferObject.h:38
vtkOpenGLProjectedTetrahedraMapper::Initialized
bool Initialized
Definition: vtkOpenGLProjectedTetrahedraMapper.h:86
vtkOpenGLProjectedTetrahedraMapper
OpenGL implementation of PT.
Definition: vtkOpenGLProjectedTetrahedraMapper.h:52
vtkVisibilitySort
Abstract class that can sort cell data along a viewpoint.
Definition: vtkVisibilitySort.h:57
vtkOpenGLProjectedTetrahedraMapper::Colors
vtkUnsignedCharArray * Colors
Definition: vtkOpenGLProjectedTetrahedraMapper.h:94
vtkRenderer
abstract specification for renderers
Definition: vtkRenderer.h:63
vtkOpenGLProjectedTetrahedraMapper::TransformedPoints
vtkFloatArray * TransformedPoints
Definition: vtkOpenGLProjectedTetrahedraMapper.h:97
vtkOpenGLProjectedTetrahedraMapper::Tris
vtkOpenGLHelper Tris
Definition: vtkOpenGLProjectedTetrahedraMapper.h:107
vtkUnstructuredGridVolumeMapper::Render
void Render(vtkRenderer *ren, vtkVolume *vol) override=0
WARNING: INTERNAL METHOD - NOT INTENDED FOR GENERAL USE DO NOT USE THIS METHOD OUTSIDE OF THE RENDERI...
vtkProjectedTetrahedraMapper
Unstructured grid volume renderer.
Definition: vtkProjectedTetrahedraMapper.h:58
vtkOpenGLProjectedTetrahedraMapper::HasHardwareSupport
bool HasHardwareSupport
Definition: vtkOpenGLProjectedTetrahedraMapper.h:92
vtkProjectedTetrahedraMapper::New
static vtkProjectedTetrahedraMapper * New()
vtkOpenGLProjectedTetrahedraMapper::CanDoFloatingPointFrameBuffer
bool CanDoFloatingPointFrameBuffer
Definition: vtkOpenGLProjectedTetrahedraMapper.h:89
vtkOpenGLRenderWindow
OpenGL rendering window.
Definition: vtkOpenGLRenderWindow.h:53
vtkRenderWindow
create a window for renderers to draw into
Definition: vtkRenderWindow.h:87
vtkOpenGLProjectedTetrahedraMapper::ColorsMappedTime
vtkTimeStamp ColorsMappedTime
Definition: vtkOpenGLProjectedTetrahedraMapper.h:101
vtkOpenGLProjectedTetrahedraMapper::GaveError
int GaveError
Definition: vtkOpenGLProjectedTetrahedraMapper.h:109
vtkOpenGLProjectedTetrahedraMapper::VBO
vtkOpenGLVertexBufferObject * VBO
Definition: vtkOpenGLProjectedTetrahedraMapper.h:104
vtkOpenGLProjectedTetrahedraMapper::SqrtTable
float * SqrtTable
Definition: vtkOpenGLProjectedTetrahedraMapper.h:115
vtkOpenGLProjectedTetrahedraMapper::FloatingPointFrameBufferResourcesAllocated
bool FloatingPointFrameBufferResourcesAllocated
Definition: vtkOpenGLProjectedTetrahedraMapper.h:90
vtkVolumeProperty
represents the common properties for rendering a volume.
Definition: vtkVolumeProperty.h:68