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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 "vtkNew.h" // for ivars
40#include "vtkOpenGLHelper.h" // used for ivars
42#include "vtkRenderingVolumeOpenGL2Module.h" // For export macro
43
44class vtkFloatArray;
45class vtkMatrix4x4;
49class vtkRenderWindow;
52
53class VTKRENDERINGVOLUMEOPENGL2_EXPORT vtkOpenGLProjectedTetrahedraMapper
55{
56public:
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
81protected:
84
87 int CurrentFBOWidth, CurrentFBOHeight;
93
96
98
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(
119 vtkRenderer* renderer, vtkVolume* volume, vtkOpenGLRenderWindow* window);
120
121 float GetCorrectedDepth(float x, float y, float z1, float z2,
122 const float inverse_projection_mat[16], int use_linear_depth_correction,
123 float linear_depth_correction);
124
129 void GLSafeUpdateProgress(double value, vtkOpenGLRenderWindow* window);
130
133
134private:
136 void operator=(const vtkOpenGLProjectedTetrahedraMapper&) = delete;
137
138 class vtkInternals;
139 vtkInternals* Internals;
140};
141
142#endif
dynamic, self-adjusting array of float
a simple class to control print indentation
Definition vtkIndent.h:40
represent and manipulate 4x4 transformation matrices
Allocate and hold a VTK object.
Definition vtkNew.h:62
Internal class which encapsulates OpenGL FramebufferObject.
static vtkOpenGLProjectedTetrahedraMapper * New()
void GLSafeUpdateProgress(double value, vtkOpenGLRenderWindow *window)
Update progress ensuring that OpenGL state is saved and restored before invoking progress.
void ReleaseGraphicsResources(vtkWindow *window) override
WARNING: INTERNAL METHOD - NOT INTENDED FOR GENERAL USE Release any graphics resources that are being...
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)
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
bool AllocateFOResources(vtkRenderer *ren)
virtual void ProjectTetrahedra(vtkRenderer *renderer, vtkVolume *volume, vtkOpenGLRenderWindow *window)
void Render(vtkRenderer *renderer, vtkVolume *volume) override
WARNING: INTERNAL METHOD - NOT INTENDED FOR GENERAL USE DO NOT USE THIS METHOD OUTSIDE OF THE RENDERI...
bool IsSupported(vtkRenderWindow *context) override
Return true if the rendering context provides the nececessary functionality to use this class.
void Initialize(vtkRenderer *ren)
OpenGL rendering window.
Unstructured grid volume renderer.
create a window for renderers to draw into
abstract specification for renderers
Definition vtkRenderer.h:73
record modification and/or execution time
dynamic, self-adjusting array of unsigned char
Abstract class that can sort cell data along a viewpoint.
represents the common properties for rendering a volume.
represents a volume (data & properties) in a rendered scene
Definition vtkVolume.h:51
window superclass for vtkRenderWindow
Definition vtkWindow.h:39