1 | #ifndef OSGVIEWER_DistortionSet |
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2 | #define OSGVIEWER_DistortionSet 1 |
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3 | |
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4 | /* -*-c++-*- osgVisual - Copyright (C) 2009-2012 Torben Dannhauer |
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5 | * |
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6 | * This library is based on OpenSceneGraph, open source and may be redistributed and/or modified under |
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7 | * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or |
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8 | * (at your option) any later version. The full license is in LICENSE file |
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9 | * included with this distribution, and on the openscenegraph.org website. |
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10 | * |
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11 | * osgVisual requires for some proprietary modules a license from the correspondig manufacturer. |
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12 | * You have to aquire licenses for all used proprietary modules. |
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13 | * |
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14 | * This library is distributed in the hope that it will be useful, |
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | * OpenSceneGraph Public License for more details. |
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18 | */ |
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19 | |
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20 | #include <osg/Object> |
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21 | #include <osg/Image> |
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22 | #include <osg/Matrixd> |
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23 | #include <osg/Camera> |
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24 | #include <osg/Switch> |
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25 | #include <osg/Shader> |
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26 | #include <osg/Geometry> |
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27 | |
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28 | namespace osgViewer { |
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29 | |
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30 | class DistortionSet : public osg::Object |
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31 | { |
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32 | public: |
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33 | enum DistortionInternals { |
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34 | MESH = 0, |
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35 | HIGHLIGHTER = 1, |
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36 | HUD = 2 |
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37 | }; |
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38 | |
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39 | META_Object(osgViewer,DistortionSet); // Required for serializer |
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40 | |
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41 | DistortionSet(const osgViewer::DistortionSet& ds, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY): // Required for serializer |
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42 | _distortionMeshRows(ds._distortionMeshRows), |
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43 | _distortionMeshColumns(ds._distortionMeshColumns), |
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44 | //osg::PrimitiveSet::Mode _MeshType |
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45 | _intensityMap(ds._intensityMap), |
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46 | _texUnitScene(ds._texUnitScene), |
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47 | _texUnitIntensityMap(ds._texUnitIntensityMap), |
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48 | _viewOffset(ds._viewOffset), |
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49 | _projectionOffset(ds._projectionOffset), |
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50 | _showIntesityMapMapOnly(ds._showIntesityMapMapOnly){} |
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51 | |
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52 | DistortionSet(); |
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53 | virtual ~DistortionSet(); |
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54 | |
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55 | // Working access |
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56 | bool isDirty(){return(_meshDirty || _matrixDirty);} |
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57 | void dirtyMesh(){_meshDirty = true;} |
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58 | void dirtyMatrix(){_matrixDirty = true;} |
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59 | void clearDirtyStatus() { _meshDirty = false; _matrixDirty = false;} |
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60 | |
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61 | void setDistortionMeshDimensions(int rows, int cols); |
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62 | |
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63 | osg::Image* getIntensityMap() { return _intensityMap; } // Also for manipulating the intensity map |
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64 | bool& getShowIntensityMapOnlyAsRef() { return _showIntesityMapMapOnly;} |
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65 | |
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66 | void setDistortionCamera(osg::Camera* camera) { _camera = camera;} |
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67 | osg::Camera* getDistortionCamera() { return _camera.get(); } |
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68 | |
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69 | osg::Switch* getDistortionInternals() { return _distortionInternals; } |
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70 | |
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71 | osg::Shader* getShaderIntensityMap() { return shaderIntensityMap; } |
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72 | void setShaderIntensityMap(osg::Shader* shader) { shaderIntensityMap = shader; } |
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73 | osg::Shader* getShaderIntensityMapVis() { return shaderIntensityMapVis; } |
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74 | void setShaderIntensityMapVis(osg::Shader* shader) { shaderIntensityMapVis = shader; } |
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75 | |
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76 | |
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77 | |
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78 | // Serializer Access |
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79 | void setDistortionMeshRows(int distortionMeshRows) { _distortionMeshRows = distortionMeshRows; } |
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80 | int getDistortionMeshRows() const { return _distortionMeshRows; } |
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81 | |
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82 | void setDistortionMeshColumns(int distortionMeshColumns) { _distortionMeshColumns = distortionMeshColumns; } |
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83 | int getDistortionMeshColumns() const { return _distortionMeshColumns; } |
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84 | |
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85 | void setDistortionMesh(osg::Vec4Array* distortionMesh) { _distortionMesh = distortionMesh; } |
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86 | const osg::Vec4Array* getDistortionMesh() const { return _distortionMesh; } |
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87 | |
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88 | void setMeshType(GLenum meshType) { _meshType = meshType; } |
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89 | inline GLenum getMeshType() const { return _meshType; } |
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90 | |
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91 | void setIntensityMap(osg::Image* intensityMap) { _intensityMap = intensityMap; } |
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92 | const osg::Image* getIntensityMap() const { return _intensityMap; } |
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93 | |
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94 | |
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95 | void setTexUnitScene(unsigned int texUnitScene) { _texUnitScene = texUnitScene; } |
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96 | unsigned int getTexUnitScene() const { return _texUnitScene; } |
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97 | |
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98 | void setTexUnitIntensityMap(unsigned int texUnitIntensityMap) { _texUnitIntensityMap = texUnitIntensityMap; } |
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99 | unsigned int getTexUnitIntensityMap() const { return _texUnitIntensityMap; } |
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100 | |
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101 | void setViewOffset(const osg::Matrixd& viewOffset) { _viewOffset = viewOffset; } |
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102 | const osg::Matrixd& getViewOffset() const { return _viewOffset; } |
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103 | |
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104 | void setProjectionOffset(const osg::Matrixd& projectionOffset) { _projectionOffset = projectionOffset; } |
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105 | const osg::Matrixd& getProjectionOffset() const { return _projectionOffset; } |
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106 | |
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107 | void setShowIntensityMapOnly(bool show) {_showIntesityMapMapOnly = show;} |
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108 | bool getShowIntensityMapOnly() const { return _showIntesityMapMapOnly;} |
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109 | |
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110 | |
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111 | private: |
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112 | // Blendmap has no dirty flag because changes of the intensityMap is directly effective. |
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113 | bool _meshDirty; |
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114 | bool _matrixDirty; |
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115 | |
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116 | int _distortionMeshRows; |
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117 | int _distortionMeshColumns; |
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118 | osg::ref_ptr<osg::Vec4Array> _distortionMesh; // x,y = vertex coordinates, z,t=textureCoordinates |
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119 | GLenum _meshType; |
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120 | |
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121 | osg::ref_ptr<osg::Image> _intensityMap; |
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122 | unsigned int _texUnitScene; |
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123 | unsigned int _texUnitIntensityMap; |
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124 | |
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125 | osg::Matrixd _viewOffset; |
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126 | osg::Matrixd _projectionOffset; |
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127 | |
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128 | // Interconnect-Pointer to allow access between distortion elements (osgViewer) and the distortion manipulator. |
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129 | // These variable are therefor not saved/restored by the serializer but populated on runtime. |
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130 | bool _showIntesityMapMapOnly; // Intensity Blending is done by a frag shader. To control it on runtime, the uniform must be bound to a central variable. |
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131 | osg::observer_ptr<osg::Camera> _camera; // is used to pass the distortion cam from osgViewers setupDistortion() method to the manipulator. |
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132 | osg::ref_ptr<osg::Switch> _distortionInternals; // definition: child #0 = mesh, #1 = highlighter, #2 HUD |
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133 | |
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134 | osg::ref_ptr<osg::Shader> shaderIntensityMap; // used in 99%, it provides active intensity map blending |
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135 | osg::ref_ptr<osg::Shader> shaderIntensityMapVis; // only used during setup process, this shaders discards the fragment color and only displays the intensitymapcolor to visualize the blendmap |
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136 | }; |
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137 | |
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138 | } |
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139 | |
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140 | |
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141 | #endif |
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