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00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: vtkOpenGLProjectedTetrahedraMapper.h 00005 00006 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen 00007 All rights reserved. 00008 See Copyright.txt or http://www.kitware.com/Copyright.htm for details. 00009 00010 This software is distributed WITHOUT ANY WARRANTY; without even 00011 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 00012 PURPOSE. See the above copyright notice for more information. 00013 00014 =========================================================================*/ 00015 00016 /* 00017 * Copyright 2003 Sandia Corporation. 00018 * Under the terms of Contract DE-AC04-94AL85000, there is a non-exclusive 00019 * license for use of this work by or on behalf of the 00020 * U.S. Government. Redistribution and use in source and binary forms, with 00021 * or without modification, are permitted provided that this Notice and any 00022 * statement of authorship are reproduced on all copies. 00023 */ 00024 00035 #ifndef vtkOpenGLProjectedTetrahedraMapper_h 00036 #define vtkOpenGLProjectedTetrahedraMapper_h 00037 00038 #include "vtkRenderingVolumeOpenGL2Module.h" // For export macro 00039 #include "vtkProjectedTetrahedraMapper.h" 00040 00041 #include "vtkglVBOHelper.h" // used for ivars 00042 00043 class vtkVisibilitySort; 00044 class vtkUnsignedCharArray; 00045 class vtkFloatArray; 00046 class vtkRenderWindow; 00047 class vtkOpenGLRenderWindow; 00048 00049 class VTKRENDERINGVOLUMEOPENGL2_EXPORT vtkOpenGLProjectedTetrahedraMapper 00050 : public vtkProjectedTetrahedraMapper 00051 { 00052 public: 00053 vtkTypeMacro(vtkOpenGLProjectedTetrahedraMapper, 00054 vtkProjectedTetrahedraMapper); 00055 static vtkOpenGLProjectedTetrahedraMapper *New(); 00056 virtual void PrintSelf(ostream &os, vtkIndent indent); 00057 00058 virtual void ReleaseGraphicsResources(vtkWindow *window); 00059 00060 virtual void Render(vtkRenderer *renderer, vtkVolume *volume); 00061 00063 00065 vtkSetMacro(UseFloatingPointFrameBuffer,bool); 00066 vtkGetMacro(UseFloatingPointFrameBuffer,bool); 00067 vtkBooleanMacro(UseFloatingPointFrameBuffer,bool); 00069 00072 virtual bool IsSupported(vtkRenderWindow *context); 00073 00074 protected: 00075 vtkOpenGLProjectedTetrahedraMapper(); 00076 ~vtkOpenGLProjectedTetrahedraMapper(); 00077 00078 void Initialize(vtkRenderer *ren); 00079 bool Initialized; 00080 int CurrentFBOWidth, CurrentFBOHeight; 00081 bool AllocateFBOResources(vtkRenderer *ren); 00082 bool CanDoFloatingPointFrameBuffer; 00083 bool FloatingPointFrameBufferResourcesAllocated; 00084 bool UseFloatingPointFrameBuffer; 00085 bool HasHardwareSupport; 00086 00087 vtkUnsignedCharArray *Colors; 00088 int UsingCellColors; 00089 00090 vtkFloatArray *TransformedPoints; 00091 00092 float MaxCellSize; 00093 vtkTimeStamp InputAnalyzedTime; 00094 vtkTimeStamp ColorsMappedTime; 00095 00096 // The VBO and its layout. 00097 vtkgl::BufferObject VBO; 00098 vtkgl::VBOLayout Layout; 00099 00100 // Structures for the various cell types we render. 00101 vtkgl::CellBO Tris; 00102 00103 int GaveError; 00104 00105 vtkVolumeProperty *LastProperty; 00106 00107 float *SqrtTable; 00108 float SqrtTableBias; 00109 00110 virtual void ProjectTetrahedra(vtkRenderer *renderer, vtkVolume *volume); 00111 00112 float GetCorrectedDepth(float x, float y, float z1, float z2, 00113 const float inverse_projection_mat[16], 00114 int use_linear_depth_correction, 00115 float linear_depth_correction); 00116 00117 private: 00118 vtkOpenGLProjectedTetrahedraMapper(const vtkOpenGLProjectedTetrahedraMapper &); // Not Implemented. 00119 void operator=(const vtkOpenGLProjectedTetrahedraMapper &); // Not Implemented. 00120 00121 class vtkInternals; 00122 vtkInternals *Internals; 00123 }; 00124 00125 #endif
1.8.0