1 | #include "SceneGraph.h"
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2 | #include "Exporter.h"
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3 | #include "UnigraphicsParser.h"
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4 | #include "X3dParser.h"
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5 | #include "Preprocessor.h"
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6 | #include "ViewCell.h"
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7 | #include "Environment.h"
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8 | #include "ViewCellsManager.h"
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9 | #include "ViewCellBsp.h"
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10 | #include "VspBspTree.h"
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11 | #include "RenderSimulator.h"
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12 | #include "GlRenderer.h"
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13 | #include "PlyParser.h"
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14 | #include "SamplingStrategy.h"
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15 | #include "VspTree.h"
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16 | #include "OspTree.h"
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17 | #include "ObjParser.h"
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18 | #include "BvHierarchy.h"
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19 | #include "HierarchyManager.h"
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20 | #include "VssRay.h"
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21 | #include "IntelRayCaster.h"
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22 | #include "InternalRayCaster.h"
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23 | #include "GlobalLinesRenderer.h"
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24 |
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25 |
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26 | #define DEBUG_RAYCAST 0
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27 | #define SHOW_RAYCAST_TIMING 1
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28 |
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29 |
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30 | namespace GtpVisibilityPreprocessor {
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31 |
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32 | const static bool ADDITIONAL_GEOMETRY_HACK = false;
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33 |
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34 | Preprocessor *preprocessor = NULL;
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35 |
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36 | // HACK: Artificially modify scene to watch rendercost changes
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37 | static void AddGeometry(SceneGraph *scene)
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38 | {
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39 | scene->GetRoot()->UpdateBox();
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40 |
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41 | AxisAlignedBox3 sceneBox = scene->GetBox();
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42 |
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43 | int n = 200;
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44 |
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45 | if (0)
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46 | {
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47 | // form grid of boxes
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48 | for (int i = 0; i < n; ++ i)
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49 | {
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50 | for (int j = 0; j < n; ++ j)
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51 | {
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52 | const Vector3 scale2((float)j * 0.8f / n + 0.1f, 0.05f, (float)i * 0.8f / (float)n + 0.1f);
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53 |
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54 | const Vector3 pt2 = sceneBox.Min() + scale2 * (sceneBox.Max() - sceneBox.Min());
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55 |
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56 | const Vector3 boxSize = sceneBox.Size() * Vector3(0.0025f, 0.01f, 0.0025f);
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57 | AxisAlignedBox3 box(pt2, pt2 + boxSize);
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58 | Mesh *mesh = CreateMeshFromBox(box);
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59 |
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60 | mesh->Preprocess();
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61 |
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62 | MeshInstance *mi = new MeshInstance(mesh);
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63 | scene->GetRoot()->mGeometry.push_back(mi);
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64 | }
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65 | }
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66 |
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67 | for (int i = 0; i < n; ++ i)
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68 | {
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69 | for (int j = 0; j < n; ++ j)
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70 | {
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71 | const Vector3 scale2(0.15f, (float)j * 0.8f / n + 0.1f, (float)i * 0.8f / (float)n + 0.1f);
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72 |
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73 | Vector3 pt2 = sceneBox.Min() + scale2 * (sceneBox.Max() - sceneBox.Min());
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74 |
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75 | Vector3 boxSize = sceneBox.Size() * Vector3(0.0025f, 0.01f, 0.0025f);
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76 | AxisAlignedBox3 box(pt2, pt2 + boxSize);
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77 | Mesh *mesh = CreateMeshFromBox(box);
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78 |
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79 | mesh->Preprocess();
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80 |
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81 | MeshInstance *mi = new MeshInstance(mesh);
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82 | scene->GetRoot()->mGeometry.push_back(mi);
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83 | }
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84 | }
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85 |
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86 | for (int i = 0; i < n; ++ i)
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87 | {
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88 | const Vector3 scale2(2, 0.2f, (float)i * 0.8f / (float)n + 0.1f);
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89 |
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90 | Vector3 pt2 = sceneBox.Min() + scale2 * (sceneBox.Max() - sceneBox.Min());
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91 | Vector3 boxSize = sceneBox.Size() * Vector3(0.005f, 0.02f, 0.005f);
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92 |
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93 | AxisAlignedBox3 box(pt2 + 0.1f, pt2 + boxSize);
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94 | Mesh *mesh = CreateMeshFromBox(box);
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95 |
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96 | mesh->Preprocess();
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97 |
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98 | MeshInstance *mi = new MeshInstance(mesh);
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99 | scene->GetRoot()->mGeometry.push_back(mi);
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100 | }
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101 |
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102 | scene->GetRoot()->UpdateBox();
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103 | }
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104 |
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105 | if (1)
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106 | {
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107 | // plane separating view space regions
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108 | const Vector3 scale(1.0f, 0.0, 0);
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109 |
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110 | Vector3 pt = sceneBox.Min() + scale * (sceneBox.Max() - sceneBox.Min());
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111 |
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112 | Plane3 cuttingPlane(Vector3(1, 0, 0), pt);
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113 | Mesh *planeMesh = new Mesh();
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114 |
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115 | Polygon3 *poly = sceneBox.CrossSection(cuttingPlane);
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116 | IncludePolyInMesh(*poly, *planeMesh);
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117 |
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118 | planeMesh->Preprocess();
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119 |
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120 | MeshInstance *planeMi = new MeshInstance(planeMesh);
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121 | scene->GetRoot()->mGeometry.push_back(planeMi);
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122 | }
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123 | }
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124 |
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125 |
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126 | Preprocessor::Preprocessor():
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127 | mKdTree(NULL),
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128 | mBspTree(NULL),
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129 | mVspBspTree(NULL),
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130 | mViewCellsManager(NULL),
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131 | mRenderSimulator(NULL),
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132 | mPass(0),
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133 | mSceneGraph(NULL),
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134 | mRayCaster(NULL),
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135 | mStopComputation(false),
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136 | mThread(NULL),
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137 | mGlobalLinesRenderer(NULL)
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138 | {
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139 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useGlRenderer", mUseGlRenderer);
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140 |
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141 | // renderer will be constructed when the scene graph and viewcell manager will be known
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142 | renderer = NULL;
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143 |
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144 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useGlDebugger", mUseGlDebugger);
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145 | Environment::GetSingleton()->GetBoolValue("Preprocessor.loadMeshes", mLoadMeshes);
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146 | Environment::GetSingleton()->GetBoolValue("Preprocessor.quitOnFinish", mQuitOnFinish);
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147 | Environment::GetSingleton()->GetBoolValue("Preprocessor.computeVisibility", mComputeVisibility);
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148 | Environment::GetSingleton()->GetBoolValue("Preprocessor.detectEmptyViewSpace", mDetectEmptyViewSpace);
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149 | Environment::GetSingleton()->GetBoolValue("Preprocessor.exportVisibility", mExportVisibility );
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150 |
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151 | char buffer[256];
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152 | Environment::GetSingleton()->GetStringValue("Preprocessor.visibilityFile", buffer);
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153 | mVisibilityFileName = buffer;
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154 |
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155 | Environment::GetSingleton()->GetStringValue("Preprocessor.stats", buffer);
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156 | mStats.open(buffer);
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157 |
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158 |
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159 | Environment::GetSingleton()->GetBoolValue("Preprocessor.applyVisibilityFilter", mApplyVisibilityFilter);
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160 | Environment::GetSingleton()->GetBoolValue("Preprocessor.applyVisibilitySpatialFilter",
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161 | mApplyVisibilitySpatialFilter );
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162 | Environment::GetSingleton()->GetFloatValue("Preprocessor.visibilityFilterWidth", mVisibilityFilterWidth);
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163 |
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164 | Environment::GetSingleton()->GetBoolValue("Preprocessor.exportObj", mExportObj);
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165 |
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166 | Environment::GetSingleton()->GetBoolValue("Preprocessor.useViewSpaceBox", mUseViewSpaceBox);
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167 |
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168 | Environment::GetSingleton()->GetBoolValue("Preprocessor.Export.rays", mExportRays);
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169 | Environment::GetSingleton()->GetBoolValue("Preprocessor.Export.animation", mExportAnimation);
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170 | Environment::GetSingleton()->GetIntValue("Preprocessor.Export.numRays", mExportNumRays);
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171 |
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172 | Environment::GetSingleton()->GetIntValue("Preprocessor.samplesPerPass", mSamplesPerPass);
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173 | Environment::GetSingleton()->GetIntValue("Preprocessor.totalSamples", mTotalSamples);
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174 | Environment::GetSingleton()->GetIntValue("Preprocessor.samplesPerEvaluation",
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175 | mSamplesPerEvaluation);
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176 |
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177 | Debug << "******* Preprocessor Options **********" << endl;
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178 | Debug << "detect empty view space=" << mDetectEmptyViewSpace << endl;
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179 | Debug << "load meshes: " << mLoadMeshes << endl;
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180 | Debug << "load meshes: " << mLoadMeshes << endl;
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181 | Debug << "export obj: " << mExportObj << endl;
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182 | Debug << "use view space box: " << mUseViewSpaceBox << endl;
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183 | }
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184 |
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185 |
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186 | Preprocessor::~Preprocessor()
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187 | {
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188 | cout << "cleaning up" << endl;
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189 |
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190 | cout << "Deleting view cells manager ... \n";
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191 | DEL_PTR(mViewCellsManager);
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192 | cout << "done.\n";
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193 |
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194 | cout << "Deleting bsp tree ... \n";
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195 | DEL_PTR(mBspTree);
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196 | cout << "done.\n";
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197 |
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198 | cout << "Deleting kd tree ...\n";
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199 | DEL_PTR(mKdTree);
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200 | cout << "done.\n";
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201 |
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202 | cout << "Deleting vspbsp tree ... \n";
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203 | DEL_PTR(mVspBspTree);
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204 | cout << "done.\n";
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205 |
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206 | cout << "Deleting scene graph ... \n";
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207 | DEL_PTR(mSceneGraph);
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208 | cout << "done.\n";
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209 |
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210 | cout << "deleting render simulator ... \n";
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211 | DEL_PTR(mRenderSimulator);
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212 | mRenderSimulator = NULL;
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213 | cout << "deleting renderer ... \n";
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214 | DEL_PTR(renderer);
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215 | renderer = NULL;
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216 | cout << "deleting ray caster ... \n";
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217 | DEL_PTR(mRayCaster);
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218 |
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219 | #ifdef USE_CG
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220 | cout << "deleting global lines renderer ... \n";
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221 | DEL_PTR(mGlobalLinesRenderer);
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222 | #endif
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223 | cout << "finished" << endl;
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224 | }
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225 |
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226 |
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227 | GlRendererBuffer *Preprocessor::GetRenderer()
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228 | {
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229 | return renderer;
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230 | }
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231 |
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232 |
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233 | static int SplitFilenames(const string str, vector<string> &filenames)
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234 | {
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235 | int pos = 0;
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236 |
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237 | while(1) {
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238 | int npos = (int)str.find(';', pos);
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239 |
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240 | if (npos < 0 || npos - pos < 1)
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241 | break;
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242 | filenames.push_back(string(str, pos, npos - pos));
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243 | pos = npos + 1;
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244 | }
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245 |
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246 | filenames.push_back(string(str, pos, str.size() - pos));
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247 | return (int)filenames.size();
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248 | }
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249 |
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250 |
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251 | void Preprocessor::SetThread(PreprocessorThread *t)
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252 | {
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253 | mThread = t;
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254 | }
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255 |
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256 |
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257 | PreprocessorThread *Preprocessor::GetThread() const
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258 | {
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259 | return mThread;
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260 | }
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261 |
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262 | #define POWERPLANT_HACK 1
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263 |
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264 | bool Preprocessor::LoadBinaryObj(const string filename,
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265 | SceneGraphNode *root,
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266 | vector<FaceParentInfo> *parents)
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267 | {
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268 | //ifstream samplesIn(filename, ios::binary);
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269 | igzstream samplesIn(filename.c_str());
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270 |
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271 | if (!samplesIn.is_open())
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272 | return false;
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273 |
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274 | cout << "binary obj dump available, loading " << filename.c_str() << endl;
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275 |
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276 | // table for vertices
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277 | VertexContainer vertices;
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278 |
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279 | if (parents)
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280 | cout << "using face parents" << endl;
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281 | else
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282 | cout << "not using face parents" << endl;
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283 |
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284 | // read in triangle size
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285 | int numTriangles;
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286 |
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287 | samplesIn.read(reinterpret_cast<char *>(&numTriangles), sizeof(int));
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288 | root->mGeometry.reserve(numTriangles);
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289 | cout << "loading " << numTriangles << " triangles ("
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290 | << numTriangles * (sizeof(TriangleIntersectable) + sizeof(TriangleIntersectable *)) / (1024 * 1024) << " MB)" << endl;
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291 |
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292 | int i = 0;
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293 | while (1)
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294 | {
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295 | Triangle3 tri;
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296 |
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297 | samplesIn.read(reinterpret_cast<char *>(tri.mVertices + 0), sizeof(Vector3));
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298 | samplesIn.read(reinterpret_cast<char *>(tri.mVertices + 1), sizeof(Vector3));
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299 | samplesIn.read(reinterpret_cast<char *>(tri.mVertices + 2), sizeof(Vector3));
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300 |
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301 | // end of file reached
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302 | if (samplesIn.eof())
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303 | break;
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304 |
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305 | TriangleIntersectable *obj = new TriangleIntersectable(tri);
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306 | root->mGeometry.push_back(obj);
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307 |
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308 | i ++;
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309 |
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310 | if (i % 500000 == 499999)
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311 | cout<<"\r"<<i<<"/"<<numTriangles<<"\r";
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312 | }
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313 |
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314 | if (i != numTriangles)
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315 | {
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316 | cout << "warning: triangle size does not match with loaded triangle size" << endl;
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317 | return false;
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318 | }
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319 |
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320 | cout << "loaded " << numTriangles << " triangles" << endl;
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321 |
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322 | return true;
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323 | }
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324 |
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325 |
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326 | bool Preprocessor::ExportBinaryObj(const string filename, SceneGraphNode *root)
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327 | {
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328 | ogzstream samplesOut(filename.c_str());
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329 |
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330 | if (!samplesOut.is_open())
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331 | return false;
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332 |
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333 | int numTriangles = (int)root->mGeometry.size();
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334 |
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335 | samplesOut.write(reinterpret_cast<char *>(&numTriangles), sizeof(int));
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336 |
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337 | ObjectContainer::const_iterator oit, oit_end = root->mGeometry.end();
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338 |
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339 | for (oit = root->mGeometry.begin(); oit != oit_end; ++ oit)
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340 | {
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341 | Intersectable *obj = *oit;
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342 |
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343 | if (obj->Type() == Intersectable::TRIANGLE_INTERSECTABLE)
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344 | {
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345 | Triangle3 tri = static_cast<TriangleIntersectable *>(obj)->GetItem();
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346 |
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347 | samplesOut.write(reinterpret_cast<char *>(tri.mVertices + 0), sizeof(Vector3));
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348 | samplesOut.write(reinterpret_cast<char *>(tri.mVertices + 1), sizeof(Vector3));
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349 | samplesOut.write(reinterpret_cast<char *>(tri.mVertices + 2), sizeof(Vector3));
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350 | }
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351 | else
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352 | {
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353 | cout << "not implemented intersectable type " << obj->Type() << endl;
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354 | }
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355 | }
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356 |
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357 | cout << "exported " << numTriangles << " triangles" << endl;
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358 |
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359 | return true;
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360 | }
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361 |
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362 |
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363 | bool Preprocessor::ExportObj(const string filename, const ObjectContainer &objects)
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364 | {
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365 | ofstream samplesOut(filename.c_str());
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366 |
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367 | if (!samplesOut.is_open())
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368 | return false;
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369 |
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370 | ObjectContainer::const_iterator oit, oit_end = objects.end();
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371 |
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372 | //AxisAlignedBox3 bbox = mSceneGraph->GetBox(); bbox.Enlarge(30.0);
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373 | for (oit = objects.begin(); oit != oit_end; ++ oit)
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374 | {
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375 | Intersectable *obj = *oit;
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376 |
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377 | if (obj->Type() == Intersectable::TRIANGLE_INTERSECTABLE)
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378 | {
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379 | Triangle3 tri = static_cast<TriangleIntersectable *>(obj)->GetItem();
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380 | //if (!(bbox.IsInside(tri.mVertices[0]) && bbox.IsInside(tri.mVertices[1]) && bbox.IsInside(tri.mVertices[2])))continue;
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381 |
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382 | samplesOut << "v " << tri.mVertices[0].x << " " << tri.mVertices[0].y << " " << tri.mVertices[0].z << endl;
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383 | samplesOut << "v " << tri.mVertices[1].x << " " << tri.mVertices[1].y << " " << tri.mVertices[1].z << endl;
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384 | samplesOut << "v " << tri.mVertices[2].x << " " << tri.mVertices[2].y << " " << tri.mVertices[2].z << endl;
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385 | //}
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386 | }
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387 | else
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388 | {
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389 | cout << "not implemented intersectable type " << obj->Type() << endl;
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390 | }
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391 | }
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392 |
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393 | // write faces
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394 | int i = 1;
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395 | for (oit = objects.begin(); oit != oit_end; ++ oit)
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396 | {
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397 | Intersectable *obj = *oit;
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398 | if (obj->Type() == Intersectable::TRIANGLE_INTERSECTABLE)
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399 | {
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400 | //Triangle3 tri = static_cast<TriangleIntersectable *>(obj)->GetItem();
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401 | //if (!(bbox.IsInside(tri.mVertices[0]) && bbox.IsInside(tri.mVertices[1]) && bbox.IsInside(tri.mVertices[2]))) continue;
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402 |
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403 | Triangle3 tri = static_cast<TriangleIntersectable *>(obj)->GetItem();
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404 | samplesOut << "f " << i << " " << i + 1 << " " << i + 2 << endl;
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405 | i += 3;
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406 | }
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407 | else
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408 | {
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409 | cout << "not implemented intersectable type " << obj->Type() << endl;
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410 | }
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411 | }
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412 |
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413 | return true;
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414 |
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415 | }
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416 |
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417 | static string ReplaceSuffix(string filename, string a, string b)
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418 | {
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419 | string result = filename;
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420 |
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421 | int pos = (int)filename.rfind(a, (int)filename.size() - 1);
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422 | if (pos == filename.size() - a.size()) {
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423 | result.replace(pos, a.size(), b);
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424 | }
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425 | return result;
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426 | }
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427 |
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428 |
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429 | Intersectable *Preprocessor::GetParentObject(const int index) const
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430 | {
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431 | if (index < 0)
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432 | {
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433 | //cerr << "Warning: triangle index smaller zero! " << index << endl;
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434 | return NULL;
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435 | }
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436 |
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437 | if (!mFaceParents.empty())
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438 | {
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439 | if (index >= (int)mFaceParents.size())
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440 | {
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441 | cerr << "Warning: triangle index out of range! " << index << endl;
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442 | return NULL;
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443 | }
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444 | else
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445 | {
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446 | return mFaceParents[index].mObject;
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447 | }
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448 | }
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449 | else
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450 | {
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451 | if (index >= (int)mObjects.size())
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452 | {
|
---|
453 | cerr<<"Warning: triangle index out of range! " << index << endl;
|
---|
454 | return NULL;
|
---|
455 | }
|
---|
456 | else
|
---|
457 | {
|
---|
458 | return mObjects[index];
|
---|
459 | }
|
---|
460 | }
|
---|
461 | }
|
---|
462 |
|
---|
463 |
|
---|
464 | Vector3 Preprocessor::GetParentNormal(const int index) const
|
---|
465 | {
|
---|
466 | if (!mFaceParents.empty())
|
---|
467 | {
|
---|
468 | return mFaceParents[index].mObject->GetNormal(mFaceParents[index].mFaceIndex);
|
---|
469 | }
|
---|
470 | else
|
---|
471 | {
|
---|
472 | return mObjects[index]->GetNormal(0);
|
---|
473 | }
|
---|
474 | }
|
---|
475 |
|
---|
476 |
|
---|
477 | bool
|
---|
478 | Preprocessor::LoadScene(const string filename)
|
---|
479 | {
|
---|
480 | // use leaf nodes of the original spatial hierarchy as occludees
|
---|
481 | mSceneGraph = new SceneGraph;
|
---|
482 |
|
---|
483 | Parser *parser;
|
---|
484 | vector<string> filenames;
|
---|
485 | const int files = SplitFilenames(filename, filenames);
|
---|
486 | cout << "number of input files: " << files << endl;
|
---|
487 | bool result = false;
|
---|
488 | bool isObj = false;
|
---|
489 |
|
---|
490 | // root for different files
|
---|
491 | mSceneGraph->SetRoot(new SceneGraphNode());
|
---|
492 |
|
---|
493 | // intel ray caster can only trace triangles
|
---|
494 | int rayCastMethod;
|
---|
495 | Environment::GetSingleton()->GetIntValue("Preprocessor.rayCastMethod", rayCastMethod);
|
---|
496 | vector<FaceParentInfo> *fi =
|
---|
497 | ((rayCastMethod == RayCaster::INTEL_RAYCASTER) && mLoadMeshes) ?
|
---|
498 | &mFaceParents : NULL;
|
---|
499 |
|
---|
500 | if (files == 1)
|
---|
501 | {
|
---|
502 | if (strstr(filename.c_str(), ".x3d"))
|
---|
503 | {
|
---|
504 | parser = new X3dParser;
|
---|
505 |
|
---|
506 | result = parser->ParseFile(filename,
|
---|
507 | mSceneGraph->GetRoot(),
|
---|
508 | mLoadMeshes,
|
---|
509 | fi);
|
---|
510 | delete parser;
|
---|
511 | }
|
---|
512 | else if (strstr(filename.c_str(), ".ply") || strstr(filename.c_str(), ".plb"))
|
---|
513 | {
|
---|
514 | parser = new PlyParser;
|
---|
515 |
|
---|
516 | result = parser->ParseFile(filename,
|
---|
517 | mSceneGraph->GetRoot(),
|
---|
518 | mLoadMeshes,
|
---|
519 | fi);
|
---|
520 | delete parser;
|
---|
521 | }
|
---|
522 | else if (strstr(filename.c_str(), ".obj"))
|
---|
523 | {
|
---|
524 | isObj = true;
|
---|
525 |
|
---|
526 | // hack: load binary dump
|
---|
527 | const string bnFile = ReplaceSuffix(filename, ".obj", ".bn");
|
---|
528 |
|
---|
529 | if (!mLoadMeshes)
|
---|
530 | {
|
---|
531 | result = LoadBinaryObj(bnFile, mSceneGraph->GetRoot(), fi);
|
---|
532 | }
|
---|
533 |
|
---|
534 | // parse obj
|
---|
535 | if (!result)
|
---|
536 | {
|
---|
537 | cout << "no binary dump available or loading full meshes, parsing file" << endl;
|
---|
538 | parser = new ObjParser;
|
---|
539 |
|
---|
540 | result = parser->ParseFile(filename,
|
---|
541 | mSceneGraph->GetRoot(),
|
---|
542 | mLoadMeshes,
|
---|
543 | fi);
|
---|
544 |
|
---|
545 | cout << "loaded " << (int)mSceneGraph->GetRoot()->mGeometry.size() << " entities" << endl;
|
---|
546 | // only works for triangles
|
---|
547 | if (result && !mLoadMeshes)
|
---|
548 | {
|
---|
549 | cout << "exporting binary obj to " << bnFile << "... " << endl;
|
---|
550 | ExportBinaryObj(bnFile, mSceneGraph->GetRoot());
|
---|
551 | cout << "finished" << endl;
|
---|
552 | }
|
---|
553 |
|
---|
554 | delete parser;
|
---|
555 | }
|
---|
556 | else if (0)
|
---|
557 | {
|
---|
558 | ExportBinaryObj("../data/test.bn", mSceneGraph->GetRoot());
|
---|
559 | }
|
---|
560 | }
|
---|
561 | else
|
---|
562 | {
|
---|
563 | parser = new UnigraphicsParser;
|
---|
564 | result = parser->ParseFile(filename,
|
---|
565 | mSceneGraph->GetRoot(),
|
---|
566 | mLoadMeshes,
|
---|
567 | fi);
|
---|
568 | delete parser;
|
---|
569 | }
|
---|
570 |
|
---|
571 | cout << filename << endl;
|
---|
572 | }
|
---|
573 | else
|
---|
574 | {
|
---|
575 | vector<string>::const_iterator fit, fit_end = filenames.end();
|
---|
576 |
|
---|
577 | for (fit = filenames.begin(); fit != fit_end; ++ fit)
|
---|
578 | {
|
---|
579 | const string filename = *fit;
|
---|
580 |
|
---|
581 | cout << "parsing file " << filename.c_str() << endl;
|
---|
582 | if (strstr(filename.c_str(), ".x3d"))
|
---|
583 | parser = new X3dParser;
|
---|
584 | else
|
---|
585 | parser = new UnigraphicsParser;
|
---|
586 |
|
---|
587 | SceneGraphNode *node = new SceneGraphNode();
|
---|
588 | const bool success =
|
---|
589 | parser->ParseFile(filename, node, mLoadMeshes, fi);
|
---|
590 |
|
---|
591 | if (success)
|
---|
592 | {
|
---|
593 | mSceneGraph->GetRoot()->mChildren.push_back(node);
|
---|
594 | result = true; // at least one file parsed
|
---|
595 | }
|
---|
596 |
|
---|
597 | // temporare hack
|
---|
598 | //if (!strstr(filename.c_str(), "plane")) mSceneGraph->GetRoot()->UpdateBox();
|
---|
599 |
|
---|
600 | delete parser;
|
---|
601 | }
|
---|
602 | }
|
---|
603 |
|
---|
604 | if (result)
|
---|
605 | {
|
---|
606 | // HACK
|
---|
607 | if (ADDITIONAL_GEOMETRY_HACK)
|
---|
608 | AddGeometry(mSceneGraph);
|
---|
609 |
|
---|
610 | mSceneGraph->AssignObjectIds();
|
---|
611 |
|
---|
612 | int intersectables, faces;
|
---|
613 | mSceneGraph->GetStatistics(intersectables, faces);
|
---|
614 |
|
---|
615 | cout<<filename<<" parsed successfully."<<endl;
|
---|
616 | cout<<"#NUM_OBJECTS (Total numner of objects)\n"<<intersectables<<endl;
|
---|
617 | cout<<"#NUM_FACES (Total numner of faces)\n"<<faces<<endl;
|
---|
618 |
|
---|
619 | mObjects.reserve(intersectables);
|
---|
620 | mSceneGraph->CollectObjects(&mObjects);
|
---|
621 |
|
---|
622 | // temp hack
|
---|
623 | //ExportObj("cropped_vienna.obj", mObjects);
|
---|
624 | mSceneGraph->GetRoot()->UpdateBox();
|
---|
625 |
|
---|
626 | cout << "finished loading" << endl;
|
---|
627 | }
|
---|
628 |
|
---|
629 | return result;
|
---|
630 | }
|
---|
631 |
|
---|
632 | bool
|
---|
633 | Preprocessor::ExportPreprocessedData(const string filename)
|
---|
634 | {
|
---|
635 | mViewCellsManager->ExportViewCells(filename, true, mObjects);
|
---|
636 | return true;
|
---|
637 | }
|
---|
638 |
|
---|
639 |
|
---|
640 | bool
|
---|
641 | Preprocessor::PostProcessVisibility()
|
---|
642 | {
|
---|
643 |
|
---|
644 | if (mApplyVisibilityFilter || mApplyVisibilitySpatialFilter) {
|
---|
645 | cout<<"Applying visibility filter ...";
|
---|
646 | cout<<"filter width = " << mVisibilityFilterWidth << endl;
|
---|
647 |
|
---|
648 | if (!mViewCellsManager)
|
---|
649 | return false;
|
---|
650 |
|
---|
651 | mViewCellsManager->ApplyFilter(mKdTree,
|
---|
652 | mApplyVisibilityFilter ? mVisibilityFilterWidth : -1.0f,
|
---|
653 | mApplyVisibilitySpatialFilter ? mVisibilityFilterWidth : -1.0f);
|
---|
654 | cout << "done." << endl;
|
---|
655 | }
|
---|
656 |
|
---|
657 | // export the preprocessed information to a file
|
---|
658 | if (mExportVisibility)
|
---|
659 | {
|
---|
660 | ExportPreprocessedData(mVisibilityFileName);
|
---|
661 | }
|
---|
662 |
|
---|
663 | return true;
|
---|
664 | }
|
---|
665 |
|
---|
666 |
|
---|
667 | bool
|
---|
668 | Preprocessor::BuildKdTree()
|
---|
669 | {
|
---|
670 | mKdTree = new KdTree;
|
---|
671 |
|
---|
672 | // add mesh instances of the scene graph to the root of the tree
|
---|
673 | KdLeaf *root = (KdLeaf *)mKdTree->GetRoot();
|
---|
674 |
|
---|
675 | mSceneGraph->CollectObjects(&root->mObjects);
|
---|
676 |
|
---|
677 | const long startTime = GetTime();
|
---|
678 | cout << "building kd tree ... " << endl;
|
---|
679 |
|
---|
680 | mKdTree->Construct();
|
---|
681 |
|
---|
682 | cout << "finished kd tree construction in " << TimeDiff(startTime, GetTime()) * 1e-3
|
---|
683 | << " secs " << endl;
|
---|
684 |
|
---|
685 | return true;
|
---|
686 | }
|
---|
687 |
|
---|
688 |
|
---|
689 | void
|
---|
690 | Preprocessor::KdTreeStatistics(ostream &s)
|
---|
691 | {
|
---|
692 | s<<mKdTree->GetStatistics();
|
---|
693 | }
|
---|
694 |
|
---|
695 | void
|
---|
696 | Preprocessor::BspTreeStatistics(ostream &s)
|
---|
697 | {
|
---|
698 | s << mBspTree->GetStatistics();
|
---|
699 | }
|
---|
700 |
|
---|
701 | bool
|
---|
702 | Preprocessor::Export( const string filename,
|
---|
703 | const bool scene,
|
---|
704 | const bool kdtree
|
---|
705 | )
|
---|
706 | {
|
---|
707 | Exporter *exporter = Exporter::GetExporter(filename);
|
---|
708 |
|
---|
709 | if (exporter) {
|
---|
710 | if (2 && scene)
|
---|
711 | exporter->ExportScene(mSceneGraph->GetRoot());
|
---|
712 |
|
---|
713 | if (1 && kdtree) {
|
---|
714 | exporter->SetWireframe();
|
---|
715 | exporter->ExportKdTree(*mKdTree);
|
---|
716 | }
|
---|
717 |
|
---|
718 | delete exporter;
|
---|
719 | return true;
|
---|
720 | }
|
---|
721 |
|
---|
722 | return false;
|
---|
723 | }
|
---|
724 |
|
---|
725 |
|
---|
726 | bool Preprocessor::PrepareViewCells()
|
---|
727 | {
|
---|
728 | ///////
|
---|
729 | //-- parse view cells construction method
|
---|
730 |
|
---|
731 | Environment::GetSingleton()->GetBoolValue("ViewCells.loadFromFile", mLoadViewCells);
|
---|
732 | char buf[100];
|
---|
733 |
|
---|
734 | if (mLoadViewCells)
|
---|
735 | {
|
---|
736 | Environment::GetSingleton()->GetStringValue("ViewCells.filename", buf);
|
---|
737 | cout << "loading view cells from " << buf << endl<<flush;
|
---|
738 |
|
---|
739 | mViewCellsManager = ViewCellsManager::LoadViewCells(buf, &mObjects, true, NULL);
|
---|
740 |
|
---|
741 | cout << "view cells loaded." << endl<<flush;
|
---|
742 |
|
---|
743 | if (!mViewCellsManager)
|
---|
744 | {
|
---|
745 | return false;
|
---|
746 | }
|
---|
747 | }
|
---|
748 | else
|
---|
749 | {
|
---|
750 | // parse type of view cell container
|
---|
751 | Environment::GetSingleton()->GetStringValue("ViewCells.type", buf);
|
---|
752 | mViewCellsManager = CreateViewCellsManager(buf);
|
---|
753 |
|
---|
754 | // default view space is the extent of the scene
|
---|
755 | AxisAlignedBox3 viewSpaceBox;
|
---|
756 |
|
---|
757 | if (mUseViewSpaceBox)
|
---|
758 | {
|
---|
759 | viewSpaceBox = mSceneGraph->GetBox();
|
---|
760 |
|
---|
761 | // use a small box outside of the scene
|
---|
762 | viewSpaceBox.Scale(Vector3(0.15f, 0.3f, 0.5f));
|
---|
763 | //viewSpaceBox.Translate(Vector3(Magnitude(mSceneGraph->GetBox().Size()) * 0.5f, 0, 0));
|
---|
764 | viewSpaceBox.Translate(Vector3(Magnitude(mSceneGraph->GetBox().Size()) * 0.3f, 0, 0));
|
---|
765 | mViewCellsManager->SetViewSpaceBox(viewSpaceBox);
|
---|
766 | }
|
---|
767 | else
|
---|
768 | {
|
---|
769 | viewSpaceBox = mSceneGraph->GetBox();
|
---|
770 | mViewCellsManager->SetViewSpaceBox(viewSpaceBox);
|
---|
771 | }
|
---|
772 |
|
---|
773 | bool loadVcGeometry;
|
---|
774 | Environment::GetSingleton()->GetBoolValue("ViewCells.loadGeometry", loadVcGeometry);
|
---|
775 |
|
---|
776 | bool extrudeBaseTriangles;
|
---|
777 | Environment::GetSingleton()->GetBoolValue("ViewCells.useBaseTrianglesAsGeometry", extrudeBaseTriangles);
|
---|
778 |
|
---|
779 | char vcGeomFilename[100];
|
---|
780 | Environment::GetSingleton()->GetStringValue("ViewCells.geometryFilename", vcGeomFilename);
|
---|
781 |
|
---|
782 | // create view cells from specified geometry
|
---|
783 | if (loadVcGeometry)
|
---|
784 | {
|
---|
785 | if (mViewCellsManager->GetType() == ViewCellsManager::BSP)
|
---|
786 | {
|
---|
787 | if (!mViewCellsManager->LoadViewCellsGeometry(vcGeomFilename, extrudeBaseTriangles))
|
---|
788 | {
|
---|
789 | cerr << "loading view cells geometry failed" << endl;
|
---|
790 | }
|
---|
791 | }
|
---|
792 | else
|
---|
793 | {
|
---|
794 | cerr << "loading view cells geometry is not implemented for this manager" << endl;
|
---|
795 | }
|
---|
796 | }
|
---|
797 | }
|
---|
798 |
|
---|
799 | ////////
|
---|
800 | //-- evaluation of render cost heuristics
|
---|
801 |
|
---|
802 | float objRenderCost = 0, vcOverhead = 0, moveSpeed = 0;
|
---|
803 |
|
---|
804 | Environment::GetSingleton()->GetFloatValue("Simulation.objRenderCost",objRenderCost);
|
---|
805 | Environment::GetSingleton()->GetFloatValue("Simulation.vcOverhead", vcOverhead);
|
---|
806 | Environment::GetSingleton()->GetFloatValue("Simulation.moveSpeed", moveSpeed);
|
---|
807 |
|
---|
808 | mRenderSimulator =
|
---|
809 | new RenderSimulator(mViewCellsManager, objRenderCost, vcOverhead, moveSpeed);
|
---|
810 |
|
---|
811 | mViewCellsManager->SetRenderer(mRenderSimulator);
|
---|
812 |
|
---|
813 | mViewCellsManager->SetPreprocessor(this);
|
---|
814 |
|
---|
815 | return true;
|
---|
816 | }
|
---|
817 |
|
---|
818 |
|
---|
819 | bool Preprocessor::ConstructViewCells()
|
---|
820 | {
|
---|
821 | // construct view cells using it's own set of samples
|
---|
822 | mViewCellsManager->Construct(this);
|
---|
823 |
|
---|
824 | // visualizations and statistics
|
---|
825 | Debug << "finished view cells:" << endl;
|
---|
826 | mViewCellsManager->PrintStatistics(Debug);
|
---|
827 |
|
---|
828 | return true;
|
---|
829 | }
|
---|
830 |
|
---|
831 |
|
---|
832 | ViewCellsManager *Preprocessor::CreateViewCellsManager(const char *name)
|
---|
833 | {
|
---|
834 | ViewCellsTree *vcTree = new ViewCellsTree;
|
---|
835 |
|
---|
836 | if (strcmp(name, "kdTree") == 0)
|
---|
837 | {
|
---|
838 | mViewCellsManager = new KdViewCellsManager(vcTree, mKdTree);
|
---|
839 | }
|
---|
840 | else if (strcmp(name, "bspTree") == 0)
|
---|
841 | {
|
---|
842 | Debug << "view cell type: Bsp" << endl;
|
---|
843 |
|
---|
844 | mBspTree = new BspTree();
|
---|
845 | mViewCellsManager = new BspViewCellsManager(vcTree, mBspTree);
|
---|
846 | }
|
---|
847 | else if (strcmp(name, "vspBspTree") == 0)
|
---|
848 | {
|
---|
849 | Debug << "view cell type: VspBsp" << endl;
|
---|
850 |
|
---|
851 | mVspBspTree = new VspBspTree();
|
---|
852 | mViewCellsManager = new VspBspViewCellsManager(vcTree, mVspBspTree);
|
---|
853 | }
|
---|
854 | else if (strcmp(name, "vspOspTree") == 0)
|
---|
855 | {
|
---|
856 | Debug << "view cell type: VspOsp" << endl;
|
---|
857 | char buf[100];
|
---|
858 | Environment::GetSingleton()->GetStringValue("Hierarchy.type", buf);
|
---|
859 |
|
---|
860 | mViewCellsManager = new VspOspViewCellsManager(vcTree, buf);
|
---|
861 | }
|
---|
862 | else if (strcmp(name, "sceneDependent") == 0) //TODO
|
---|
863 | {
|
---|
864 | Debug << "view cell type: Bsp" << endl;
|
---|
865 |
|
---|
866 | mBspTree = new BspTree();
|
---|
867 | mViewCellsManager = new BspViewCellsManager(vcTree, mBspTree);
|
---|
868 | }
|
---|
869 | else
|
---|
870 | {
|
---|
871 | cerr << "Wrong view cells type " << name << "!!!" << endl;
|
---|
872 | exit(1);
|
---|
873 | }
|
---|
874 |
|
---|
875 | return mViewCellsManager;
|
---|
876 | }
|
---|
877 |
|
---|
878 |
|
---|
879 | // use ascii format to store rays
|
---|
880 | #define USE_ASCII 0
|
---|
881 |
|
---|
882 |
|
---|
883 | static inline bool ilt(Intersectable *obj1, Intersectable *obj2)
|
---|
884 | {
|
---|
885 | return obj1->mId < obj2->mId;
|
---|
886 | }
|
---|
887 |
|
---|
888 |
|
---|
889 | bool Preprocessor::LoadKdTree(const string filename)
|
---|
890 | {
|
---|
891 | mKdTree = new KdTree();
|
---|
892 |
|
---|
893 | return mKdTree->LoadBinTree(filename.c_str(), mObjects);
|
---|
894 | }
|
---|
895 |
|
---|
896 |
|
---|
897 | bool Preprocessor::ExportKdTree(const string filename)
|
---|
898 | {
|
---|
899 | return mKdTree->ExportBinTree(filename.c_str());
|
---|
900 | }
|
---|
901 |
|
---|
902 |
|
---|
903 | bool Preprocessor::LoadSamples(VssRayContainer &samples,
|
---|
904 | ObjectContainer &objects) const
|
---|
905 | {
|
---|
906 | std::stable_sort(objects.begin(), objects.end(), ilt);
|
---|
907 | char fileName[100];
|
---|
908 | Environment::GetSingleton()->GetStringValue("Preprocessor.samplesFilename", fileName);
|
---|
909 |
|
---|
910 | Vector3 origin, termination;
|
---|
911 | // HACK: needed only for lower_bound algorithm to find the
|
---|
912 | // intersected objects
|
---|
913 | MeshInstance sObj(NULL);
|
---|
914 | MeshInstance tObj(NULL);
|
---|
915 |
|
---|
916 | #if USE_ASCII
|
---|
917 | ifstream samplesIn(fileName);
|
---|
918 | if (!samplesIn.is_open())
|
---|
919 | return false;
|
---|
920 |
|
---|
921 | string buf;
|
---|
922 | while (!(getline(samplesIn, buf)).eof())
|
---|
923 | {
|
---|
924 | sscanf(buf.c_str(), "%f %f %f %f %f %f %d %d",
|
---|
925 | &origin.x, &origin.y, &origin.z,
|
---|
926 | &termination.x, &termination.y, &termination.z,
|
---|
927 | &(sObj.mId), &(tObj.mId));
|
---|
928 |
|
---|
929 | Intersectable *sourceObj = NULL;
|
---|
930 | Intersectable *termObj = NULL;
|
---|
931 |
|
---|
932 | if (sObj.mId >= 0)
|
---|
933 | {
|
---|
934 | ObjectContainer::iterator oit =
|
---|
935 | lower_bound(objects.begin(), objects.end(), &sObj, ilt);
|
---|
936 | sourceObj = *oit;
|
---|
937 | }
|
---|
938 |
|
---|
939 | if (tObj.mId >= 0)
|
---|
940 | {
|
---|
941 | ObjectContainer::iterator oit =
|
---|
942 | lower_bound(objects.begin(), objects.end(), &tObj, ilt);
|
---|
943 | termObj = *oit;
|
---|
944 | }
|
---|
945 |
|
---|
946 | samples.push_back(new VssRay(origin, termination, sourceObj, termObj));
|
---|
947 | }
|
---|
948 | #else
|
---|
949 | ifstream samplesIn(fileName, ios::binary);
|
---|
950 | if (!samplesIn.is_open())
|
---|
951 | return false;
|
---|
952 |
|
---|
953 | while (1)
|
---|
954 | {
|
---|
955 | samplesIn.read(reinterpret_cast<char *>(&origin), sizeof(Vector3));
|
---|
956 | samplesIn.read(reinterpret_cast<char *>(&termination), sizeof(Vector3));
|
---|
957 | samplesIn.read(reinterpret_cast<char *>(&(sObj.mId)), sizeof(int));
|
---|
958 | samplesIn.read(reinterpret_cast<char *>(&(tObj.mId)), sizeof(int));
|
---|
959 |
|
---|
960 | if (samplesIn.eof())
|
---|
961 | break;
|
---|
962 |
|
---|
963 | Intersectable *sourceObj = NULL;
|
---|
964 | Intersectable *termObj = NULL;
|
---|
965 |
|
---|
966 | if (sObj.mId >= 0)
|
---|
967 | {
|
---|
968 | ObjectContainer::iterator oit =
|
---|
969 | lower_bound(objects.begin(), objects.end(), &sObj, ilt);
|
---|
970 | sourceObj = *oit;
|
---|
971 | }
|
---|
972 |
|
---|
973 | if (tObj.mId >= 0)
|
---|
974 | {
|
---|
975 | ObjectContainer::iterator oit =
|
---|
976 | lower_bound(objects.begin(), objects.end(), &tObj, ilt);
|
---|
977 | termObj = *oit;
|
---|
978 | }
|
---|
979 |
|
---|
980 | samples.push_back(new VssRay(origin, termination, sourceObj, termObj));
|
---|
981 | }
|
---|
982 | #endif
|
---|
983 |
|
---|
984 | samplesIn.close();
|
---|
985 |
|
---|
986 | return true;
|
---|
987 | }
|
---|
988 |
|
---|
989 |
|
---|
990 | bool Preprocessor::ExportSamples(const VssRayContainer &samples) const
|
---|
991 | {
|
---|
992 | char fileName[100];
|
---|
993 | Environment::GetSingleton()->GetStringValue("Preprocessor.samplesFilename", fileName);
|
---|
994 |
|
---|
995 |
|
---|
996 | VssRayContainer::const_iterator it, it_end = samples.end();
|
---|
997 |
|
---|
998 | #if USE_ASCII
|
---|
999 | ofstream samplesOut(fileName);
|
---|
1000 | if (!samplesOut.is_open())
|
---|
1001 | return false;
|
---|
1002 |
|
---|
1003 | for (it = samples.begin(); it != it_end; ++ it)
|
---|
1004 | {
|
---|
1005 | VssRay *ray = *it;
|
---|
1006 | int sourceid = ray->mOriginObject ? ray->mOriginObject->mId : -1;
|
---|
1007 | int termid = ray->mTerminationObject ? ray->mTerminationObject->mId : -1;
|
---|
1008 |
|
---|
1009 | samplesOut << ray->GetOrigin().x << " " << ray->GetOrigin().y << " " << ray->GetOrigin().z << " "
|
---|
1010 | << ray->GetTermination().x << " " << ray->GetTermination().y << " " << ray->GetTermination().z << " "
|
---|
1011 | << sourceid << " " << termid << "\n";
|
---|
1012 | }
|
---|
1013 | #else
|
---|
1014 | ofstream samplesOut(fileName, ios::binary);
|
---|
1015 | if (!samplesOut.is_open())
|
---|
1016 | return false;
|
---|
1017 |
|
---|
1018 | for (it = samples.begin(); it != it_end; ++ it)
|
---|
1019 | {
|
---|
1020 | VssRay *ray = *it;
|
---|
1021 | Vector3 origin(ray->GetOrigin());
|
---|
1022 | Vector3 termination(ray->GetTermination());
|
---|
1023 |
|
---|
1024 | int sourceid = ray->mOriginObject ? ray->mOriginObject->mId : -1;
|
---|
1025 | int termid = ray->mTerminationObject ? ray->mTerminationObject->mId : -1;
|
---|
1026 |
|
---|
1027 | samplesOut.write(reinterpret_cast<char *>(&origin), sizeof(Vector3));
|
---|
1028 | samplesOut.write(reinterpret_cast<char *>(&termination), sizeof(Vector3));
|
---|
1029 | samplesOut.write(reinterpret_cast<char *>(&sourceid), sizeof(int));
|
---|
1030 | samplesOut.write(reinterpret_cast<char *>(&termid), sizeof(int));
|
---|
1031 | }
|
---|
1032 | #endif
|
---|
1033 | samplesOut.close();
|
---|
1034 |
|
---|
1035 | return true;
|
---|
1036 | }
|
---|
1037 |
|
---|
1038 |
|
---|
1039 | int
|
---|
1040 | Preprocessor::GenerateRays(const int number,
|
---|
1041 | SamplingStrategy &strategy,
|
---|
1042 | SimpleRayContainer &rays)
|
---|
1043 | {
|
---|
1044 | return strategy.GenerateSamples(number, rays);
|
---|
1045 | }
|
---|
1046 |
|
---|
1047 |
|
---|
1048 | int
|
---|
1049 | Preprocessor::GenerateRays(const int number,
|
---|
1050 | const int sampleType,
|
---|
1051 | SimpleRayContainer &rays)
|
---|
1052 | {
|
---|
1053 | const int startSize = (int)rays.size();
|
---|
1054 | SamplingStrategy *strategy = GenerateSamplingStrategy(sampleType);
|
---|
1055 | int castRays = 0;
|
---|
1056 |
|
---|
1057 | if (!strategy)
|
---|
1058 | {
|
---|
1059 | return 0;
|
---|
1060 | }
|
---|
1061 |
|
---|
1062 | #if 1
|
---|
1063 | castRays = strategy->GenerateSamples(number, rays);
|
---|
1064 | #else
|
---|
1065 | GenerateRayBundle(rays, newRay, 16, 0);
|
---|
1066 | castRays += 16;
|
---|
1067 | #endif
|
---|
1068 |
|
---|
1069 | delete strategy;
|
---|
1070 | return castRays;
|
---|
1071 | }
|
---|
1072 |
|
---|
1073 |
|
---|
1074 | SamplingStrategy *Preprocessor::GenerateSamplingStrategy(const int strategyId)
|
---|
1075 | {
|
---|
1076 | switch (strategyId)
|
---|
1077 | {
|
---|
1078 | case SamplingStrategy::OBJECT_BASED_DISTRIBUTION:
|
---|
1079 | return new ObjectBasedDistribution(*this);
|
---|
1080 | case SamplingStrategy::OBJECT_DIRECTION_BASED_DISTRIBUTION:
|
---|
1081 | return new ObjectDirectionBasedDistribution(*this);
|
---|
1082 | case SamplingStrategy::DIRECTION_BASED_DISTRIBUTION:
|
---|
1083 | return new DirectionBasedDistribution(*this);
|
---|
1084 | case SamplingStrategy::DIRECTION_BOX_BASED_DISTRIBUTION:
|
---|
1085 | return new DirectionBoxBasedDistribution(*this);
|
---|
1086 | case SamplingStrategy::SPATIAL_BOX_BASED_DISTRIBUTION:
|
---|
1087 | return new SpatialBoxBasedDistribution(*this);
|
---|
1088 | case SamplingStrategy::REVERSE_OBJECT_BASED_DISTRIBUTION:
|
---|
1089 | return new ReverseObjectBasedDistribution(*this);
|
---|
1090 | case SamplingStrategy::VIEWCELL_BORDER_BASED_DISTRIBUTION:
|
---|
1091 | return new ViewCellBorderBasedDistribution(*this);
|
---|
1092 | case SamplingStrategy::VIEWSPACE_BORDER_BASED_DISTRIBUTION:
|
---|
1093 | return new ViewSpaceBorderBasedDistribution(*this);
|
---|
1094 | case SamplingStrategy::REVERSE_VIEWSPACE_BORDER_BASED_DISTRIBUTION:
|
---|
1095 | return new ReverseViewSpaceBorderBasedDistribution(*this);
|
---|
1096 | case SamplingStrategy::GLOBAL_LINES_DISTRIBUTION:
|
---|
1097 | return new GlobalLinesDistribution(*this);
|
---|
1098 |
|
---|
1099 | //case OBJECTS_INTERIOR_DISTRIBUTION:
|
---|
1100 | // return new ObjectsInteriorDistribution(*this);
|
---|
1101 | default: // no valid strategy
|
---|
1102 | Debug << "warning: no valid sampling strategy" << endl;
|
---|
1103 | return NULL;
|
---|
1104 | }
|
---|
1105 |
|
---|
1106 | return NULL; // should never come here
|
---|
1107 | }
|
---|
1108 |
|
---|
1109 |
|
---|
1110 | bool Preprocessor::LoadInternKdTree( const string internKdTree)
|
---|
1111 | {
|
---|
1112 | // always try to load the kd tree
|
---|
1113 | cout << "loading kd tree file " << internKdTree << " ... " << endl;
|
---|
1114 |
|
---|
1115 | if (!LoadKdTree(internKdTree))
|
---|
1116 | {
|
---|
1117 | cout << "error loading kd tree with filename "
|
---|
1118 | << internKdTree << ", rebuilding it instead ... " << endl;
|
---|
1119 | // build new kd tree from scene geometry
|
---|
1120 | BuildKdTree();
|
---|
1121 |
|
---|
1122 | // export kd tree?
|
---|
1123 | const long startTime = GetTime();
|
---|
1124 | cout << "exporting kd tree ... ";
|
---|
1125 |
|
---|
1126 | if (!ExportKdTree(internKdTree))
|
---|
1127 | {
|
---|
1128 | cout << " error exporting kd tree with filename "
|
---|
1129 | << internKdTree << endl;
|
---|
1130 | }
|
---|
1131 | else
|
---|
1132 | {
|
---|
1133 | cout << "finished in "
|
---|
1134 | << TimeDiff(startTime, GetTime()) * 1e-3
|
---|
1135 | << " secs" << endl;
|
---|
1136 | }
|
---|
1137 | }
|
---|
1138 |
|
---|
1139 | KdTreeStatistics(cout);
|
---|
1140 | cout << mKdTree->GetBox() << endl;
|
---|
1141 |
|
---|
1142 | return true;
|
---|
1143 | }
|
---|
1144 |
|
---|
1145 |
|
---|
1146 | bool Preprocessor::InitRayCast(const string externKdTree,
|
---|
1147 | const string internKdTree)
|
---|
1148 | {
|
---|
1149 | // always try to load the kd tree
|
---|
1150 | /* cout << "loading kd tree file " << internKdTree << " ... " << endl;
|
---|
1151 |
|
---|
1152 | if (!LoadKdTree(internKdTree))
|
---|
1153 | {
|
---|
1154 | cout << "error loading kd tree with filename "
|
---|
1155 | << internKdTree << ", rebuilding it instead ... " << endl;
|
---|
1156 | // build new kd tree from scene geometry
|
---|
1157 | BuildKdTree();
|
---|
1158 |
|
---|
1159 | // export kd tree?
|
---|
1160 | const long startTime = GetTime();
|
---|
1161 | cout << "exporting kd tree ... ";
|
---|
1162 |
|
---|
1163 | if (!ExportKdTree(internKdTree))
|
---|
1164 | {
|
---|
1165 | cout << " error exporting kd tree with filename "
|
---|
1166 | << internKdTree << endl;
|
---|
1167 | }
|
---|
1168 | else
|
---|
1169 | {
|
---|
1170 | cout << "finished in "
|
---|
1171 | << TimeDiff(startTime, GetTime()) * 1e-3
|
---|
1172 | << " secs" << endl;
|
---|
1173 | }
|
---|
1174 | }
|
---|
1175 |
|
---|
1176 | KdTreeStatistics(cout);
|
---|
1177 | cout << mKdTree->GetBox() << endl;
|
---|
1178 | */
|
---|
1179 | int rayCastMethod;
|
---|
1180 | Environment::GetSingleton()->
|
---|
1181 | GetIntValue("Preprocessor.rayCastMethod", rayCastMethod);
|
---|
1182 |
|
---|
1183 | if (rayCastMethod == 0)
|
---|
1184 | {
|
---|
1185 | cout << "ray cast method: internal" << endl;
|
---|
1186 | mRayCaster = new InternalRayCaster(*this);
|
---|
1187 | }
|
---|
1188 | else
|
---|
1189 | {
|
---|
1190 | #ifdef GTP_INTERNAL
|
---|
1191 | cout << "ray cast method: intel" << endl;
|
---|
1192 | mRayCaster = new IntelRayCaster(*this, externKdTree);
|
---|
1193 | #endif
|
---|
1194 | }
|
---|
1195 |
|
---|
1196 | mRayCaster->ReserveVssRayPool(2*mSamplesPerPass);
|
---|
1197 |
|
---|
1198 | return true;
|
---|
1199 | }
|
---|
1200 |
|
---|
1201 |
|
---|
1202 | void
|
---|
1203 | Preprocessor::CastRays(
|
---|
1204 | SimpleRayContainer &rays,
|
---|
1205 | VssRayContainer &vssRays,
|
---|
1206 | const bool castDoubleRays,
|
---|
1207 | const bool pruneInvalidRays
|
---|
1208 | )
|
---|
1209 | {
|
---|
1210 | const long t1 = GetTime();
|
---|
1211 |
|
---|
1212 | #if 1
|
---|
1213 | mRayCaster->SortRays(rays);
|
---|
1214 | cout<<"Rays sorted in "<<TimeDiff(t1, GetTime())<<" ms."<<endl;
|
---|
1215 |
|
---|
1216 | if (0) {
|
---|
1217 | VssRayContainer tmpRays;
|
---|
1218 | int m = 50000;
|
---|
1219 | for (int i=m; i < m+20; i++) {
|
---|
1220 | tmpRays.push_back(new VssRay(rays[i].mOrigin,
|
---|
1221 | rays[i].mOrigin + 100.0f*rays[i].mDirection,
|
---|
1222 | NULL,
|
---|
1223 | NULL
|
---|
1224 | )
|
---|
1225 | );
|
---|
1226 |
|
---|
1227 | }
|
---|
1228 | ExportRays("sorted_rays.x3d", tmpRays, 200);
|
---|
1229 | }
|
---|
1230 | #endif
|
---|
1231 |
|
---|
1232 | SimpleRayContainer::const_iterator rit, rit_end = rays.end();
|
---|
1233 |
|
---|
1234 | SimpleRayContainer rayBucket;
|
---|
1235 | int i = 0;
|
---|
1236 | for (rit = rays.begin(); rit != rit_end; ++ rit, ++ i)
|
---|
1237 | {
|
---|
1238 | SimpleRay ray = *rit;
|
---|
1239 | #ifdef USE_CG
|
---|
1240 | // HACK: global lines must be treated special
|
---|
1241 | if (ray.mDistribution == SamplingStrategy::HW_GLOBAL_LINES_DISTRIBUTION)
|
---|
1242 | {
|
---|
1243 | mGlobalLinesRenderer->CastGlobalLines(ray, vssRays);
|
---|
1244 | continue;
|
---|
1245 | }
|
---|
1246 | #endif
|
---|
1247 | rayBucket.push_back(ray);
|
---|
1248 |
|
---|
1249 | // 16 rays gathered => do ray casting
|
---|
1250 | if ((int)rayBucket.size() >= 16)
|
---|
1251 | {
|
---|
1252 | mRayCaster->CastRays16(
|
---|
1253 | rayBucket,
|
---|
1254 | vssRays,
|
---|
1255 | mViewCellsManager->GetViewSpaceBox(),
|
---|
1256 | castDoubleRays,
|
---|
1257 | pruneInvalidRays);
|
---|
1258 |
|
---|
1259 | rayBucket.clear();
|
---|
1260 | }
|
---|
1261 |
|
---|
1262 | if ((int)rays.size() > 10000 && i % 10000 == 0)
|
---|
1263 | cout<<"\r"<<i<<"/"<<(int)rays.size()<<"\r";
|
---|
1264 | }
|
---|
1265 |
|
---|
1266 | // cast rest of rays
|
---|
1267 | SimpleRayContainer::const_iterator sit, sit_end = rayBucket.end();
|
---|
1268 |
|
---|
1269 | for (sit = rayBucket.begin(); sit != sit_end; ++ sit)
|
---|
1270 | {
|
---|
1271 | SimpleRay ray = *sit;
|
---|
1272 |
|
---|
1273 | #ifdef USE_CG
|
---|
1274 | // HACK: global lines must be treated special
|
---|
1275 | if (ray.mDistribution == SamplingStrategy::HW_GLOBAL_LINES_DISTRIBUTION)
|
---|
1276 | {
|
---|
1277 | mGlobalLinesRenderer->CastGlobalLines(ray, vssRays);
|
---|
1278 | continue;
|
---|
1279 | }
|
---|
1280 | #endif
|
---|
1281 | mRayCaster->CastRay(
|
---|
1282 | ray,
|
---|
1283 | vssRays,
|
---|
1284 | mViewCellsManager->GetViewSpaceBox(),
|
---|
1285 | castDoubleRays,
|
---|
1286 | pruneInvalidRays);
|
---|
1287 |
|
---|
1288 | }
|
---|
1289 |
|
---|
1290 | if ((int)rays.size() > 10000)
|
---|
1291 | {
|
---|
1292 | cout << endl;
|
---|
1293 | long t2 = GetTime();
|
---|
1294 |
|
---|
1295 | #if SHOW_RAYCAST_TIMING
|
---|
1296 | if (castDoubleRays)
|
---|
1297 | cout << 2 * rays.size() / (1e3f * TimeDiff(t1, t2)) << "M rays/s" << endl;
|
---|
1298 | else
|
---|
1299 | cout << rays.size() / (1e3f * TimeDiff(t1, t2)) << "M rays/s" << endl;
|
---|
1300 | #endif
|
---|
1301 | }
|
---|
1302 |
|
---|
1303 | mViewCellsManager->DeterminePvsObjects(vssRays
|
---|
1304 | );
|
---|
1305 |
|
---|
1306 | }
|
---|
1307 |
|
---|
1308 |
|
---|
1309 | bool Preprocessor::GenerateRayBundle(SimpleRayContainer &rayBundle,
|
---|
1310 | const SimpleRay &mainRay,
|
---|
1311 | const int number,
|
---|
1312 | const int pertubType) const
|
---|
1313 | {
|
---|
1314 | rayBundle.push_back(mainRay);
|
---|
1315 |
|
---|
1316 | const float pertubOrigin = 0.0f;
|
---|
1317 | const float pertubDir = 0.2f;
|
---|
1318 |
|
---|
1319 | for (int i = 0; i < number - 1; ++ i)
|
---|
1320 | {
|
---|
1321 | Vector3 pertub;
|
---|
1322 |
|
---|
1323 | pertub.x = RandomValue(0.0f, pertubDir);
|
---|
1324 | pertub.y = RandomValue(0.0f, pertubDir);
|
---|
1325 | pertub.z = RandomValue(0.0f, pertubDir);
|
---|
1326 |
|
---|
1327 | const Vector3 newDir = mainRay.mDirection + pertub;
|
---|
1328 | //const Vector3 newDir = mainRay.mDirection;
|
---|
1329 |
|
---|
1330 | pertub.x = RandomValue(0.0f, pertubOrigin);
|
---|
1331 | pertub.y = RandomValue(0.0f, pertubOrigin);
|
---|
1332 | pertub.z = RandomValue(0.0f, pertubOrigin);
|
---|
1333 |
|
---|
1334 | const Vector3 newOrigin = mainRay.mOrigin + pertub;
|
---|
1335 | //const Vector3 newOrigin = mainRay.mOrigin;
|
---|
1336 |
|
---|
1337 | rayBundle.push_back(SimpleRay(newOrigin, newDir, 0, 1.0f));
|
---|
1338 | }
|
---|
1339 |
|
---|
1340 | return true;
|
---|
1341 | }
|
---|
1342 |
|
---|
1343 |
|
---|
1344 | void Preprocessor::SetupRay(Ray &ray,
|
---|
1345 | const Vector3 &point,
|
---|
1346 | const Vector3 &direction) const
|
---|
1347 | {
|
---|
1348 | ray.Clear();
|
---|
1349 | // do not store anything else then intersections at the ray
|
---|
1350 | ray.Init(point, direction, Ray::LOCAL_RAY);
|
---|
1351 | }
|
---|
1352 |
|
---|
1353 |
|
---|
1354 | void Preprocessor::EvalViewCellHistogram()
|
---|
1355 | {
|
---|
1356 | char filename[256];
|
---|
1357 | Environment::GetSingleton()->GetStringValue("Preprocessor.histogram.file", filename);
|
---|
1358 |
|
---|
1359 | // mViewCellsManager->EvalViewCellHistogram(filename, 1000000);
|
---|
1360 | mViewCellsManager->EvalViewCellHistogramForPvsSize(filename, 1000000);
|
---|
1361 | }
|
---|
1362 |
|
---|
1363 |
|
---|
1364 | bool
|
---|
1365 | Preprocessor::ExportRays(const char *filename,
|
---|
1366 | const VssRayContainer &vssRays,
|
---|
1367 | const int number,
|
---|
1368 | const bool exportScene
|
---|
1369 | )
|
---|
1370 | {
|
---|
1371 | cout<<"Exporting vss rays..."<<endl<<flush;
|
---|
1372 |
|
---|
1373 | Exporter *exporter = NULL;
|
---|
1374 | exporter = Exporter::GetExporter(filename);
|
---|
1375 |
|
---|
1376 | if (0) {
|
---|
1377 | exporter->SetWireframe();
|
---|
1378 | exporter->ExportKdTree(*mKdTree);
|
---|
1379 | }
|
---|
1380 |
|
---|
1381 | exporter->SetFilled();
|
---|
1382 | // $$JB temporarily do not export the scene
|
---|
1383 | if (exportScene)
|
---|
1384 | exporter->ExportScene(mSceneGraph->GetRoot());
|
---|
1385 |
|
---|
1386 | exporter->SetWireframe();
|
---|
1387 |
|
---|
1388 | if (1) {
|
---|
1389 | exporter->SetForcedMaterial(RgbColor(1,0,1));
|
---|
1390 | exporter->ExportBox(mViewCellsManager->GetViewSpaceBox());
|
---|
1391 | exporter->ResetForcedMaterial();
|
---|
1392 | }
|
---|
1393 |
|
---|
1394 | VssRayContainer rays;
|
---|
1395 | vssRays.SelectRays(number, rays);
|
---|
1396 | exporter->ExportRays(rays, RgbColor(1, 0, 0));
|
---|
1397 | delete exporter;
|
---|
1398 | cout<<"done."<<endl<<flush;
|
---|
1399 |
|
---|
1400 | return true;
|
---|
1401 | }
|
---|
1402 |
|
---|
1403 | bool
|
---|
1404 | Preprocessor::ExportRayAnimation(const char *filename,
|
---|
1405 | const vector<VssRayContainer> &vssRays
|
---|
1406 | )
|
---|
1407 | {
|
---|
1408 | cout<<"Exporting vss rays..."<<endl<<flush;
|
---|
1409 |
|
---|
1410 | Exporter *exporter = NULL;
|
---|
1411 | exporter = Exporter::GetExporter(filename);
|
---|
1412 | if (0) {
|
---|
1413 | exporter->SetWireframe();
|
---|
1414 | exporter->ExportKdTree(*mKdTree);
|
---|
1415 | }
|
---|
1416 | exporter->SetFilled();
|
---|
1417 | // $$JB temporarily do not export the scene
|
---|
1418 | if (0)
|
---|
1419 | exporter->ExportScene(mSceneGraph->GetRoot());
|
---|
1420 | exporter->SetWireframe();
|
---|
1421 |
|
---|
1422 | if (1) {
|
---|
1423 | exporter->SetForcedMaterial(RgbColor(1,0,1));
|
---|
1424 | exporter->ExportBox(mViewCellsManager->GetViewSpaceBox());
|
---|
1425 | exporter->ResetForcedMaterial();
|
---|
1426 | }
|
---|
1427 |
|
---|
1428 | exporter->ExportRaySets(vssRays, RgbColor(1, 0, 0));
|
---|
1429 |
|
---|
1430 | delete exporter;
|
---|
1431 |
|
---|
1432 | cout<<"done."<<endl<<flush;
|
---|
1433 |
|
---|
1434 | return true;
|
---|
1435 | }
|
---|
1436 |
|
---|
1437 | void
|
---|
1438 | Preprocessor::ComputeRenderError()
|
---|
1439 | {
|
---|
1440 | // compute rendering error
|
---|
1441 |
|
---|
1442 | if (renderer && renderer->mPvsStatFrames) {
|
---|
1443 | // emit EvalPvsStat();
|
---|
1444 | // QMutex mutex;
|
---|
1445 | // mutex.lock();
|
---|
1446 | // renderer->mRenderingFinished.wait(&mutex);
|
---|
1447 | // mutex.unlock();
|
---|
1448 |
|
---|
1449 | renderer->EvalPvsStat();
|
---|
1450 |
|
---|
1451 | mStats <<
|
---|
1452 | "#AvgPvsRenderError\n" <<renderer->mPvsStat.GetAvgError()<<endl<<
|
---|
1453 | "#AvgPixelError\n" <<renderer->GetAvgPixelError()<<endl<<
|
---|
1454 | "#MaxPixelError\n" <<renderer->GetMaxPixelError()<<endl<<
|
---|
1455 | "#MaxPvsRenderError\n" <<renderer->mPvsStat.GetMaxError()<<endl<<
|
---|
1456 | "#ErrorFreeFrames\n" <<renderer->mPvsStat.GetErrorFreeFrames()<<endl<<
|
---|
1457 | "#AvgRenderPvs\n" <<renderer->mPvsStat.GetAvgPvs()<<endl;
|
---|
1458 | }
|
---|
1459 | }
|
---|
1460 |
|
---|
1461 |
|
---|
1462 | Intersectable *Preprocessor::GetObjectById(const int id)
|
---|
1463 | {
|
---|
1464 | #if 1
|
---|
1465 | // create a dummy mesh instance to be able to use stl
|
---|
1466 | MeshInstance object(NULL);
|
---|
1467 | object.SetId(id);
|
---|
1468 |
|
---|
1469 | ObjectContainer::const_iterator oit =
|
---|
1470 | lower_bound(mObjects.begin(), mObjects.end(), &object, ilt);
|
---|
1471 |
|
---|
1472 | // objects sorted by id
|
---|
1473 | if ((oit != mObjects.end()) && ((*oit)->GetId() == object.GetId()))
|
---|
1474 | {
|
---|
1475 | return (*oit);
|
---|
1476 | }
|
---|
1477 | else
|
---|
1478 | {
|
---|
1479 | return NULL;
|
---|
1480 | }
|
---|
1481 | #else
|
---|
1482 | return mObjects[id - 1];
|
---|
1483 | #endif
|
---|
1484 | }
|
---|
1485 |
|
---|
1486 |
|
---|
1487 | void Preprocessor::PrepareHwGlobalLines()
|
---|
1488 | {
|
---|
1489 | int texHeight, texWidth;
|
---|
1490 | float eps;
|
---|
1491 | int maxDepth;
|
---|
1492 | bool sampleReverse;
|
---|
1493 |
|
---|
1494 | Environment::GetSingleton()->GetIntValue("Preprocessor.HwGlobalLines.texHeight", texHeight);
|
---|
1495 | Environment::GetSingleton()->GetIntValue("Preprocessor.HwGlobalLines.texWidth", texWidth);
|
---|
1496 | Environment::GetSingleton()->GetFloatValue("Preprocessor.HwGlobalLines.stepSize", eps);
|
---|
1497 | Environment::GetSingleton()->GetIntValue("Preprocessor.HwGlobalLines.maxDepth", maxDepth);
|
---|
1498 | Environment::GetSingleton()->GetBoolValue("Preprocessor.HwGlobalLines.sampleReverse", sampleReverse);
|
---|
1499 |
|
---|
1500 | Debug << "****** hw global line options *******" << endl;
|
---|
1501 | Debug << "texWidth: " << texWidth << endl;
|
---|
1502 | Debug << "texHeight: " << texHeight << endl;
|
---|
1503 | Debug << "sampleReverse: " << sampleReverse << endl;
|
---|
1504 | Debug << "max depth: " << maxDepth << endl;
|
---|
1505 | Debug << "step size: " << eps << endl;
|
---|
1506 | Debug << endl;
|
---|
1507 |
|
---|
1508 | #ifdef USE_CG
|
---|
1509 | globalLinesRenderer = mGlobalLinesRenderer =
|
---|
1510 | new GlobalLinesRenderer(this,
|
---|
1511 | texHeight,
|
---|
1512 | texWidth,
|
---|
1513 | eps,
|
---|
1514 | maxDepth,
|
---|
1515 | sampleReverse);
|
---|
1516 |
|
---|
1517 | mGlobalLinesRenderer->InitGl();
|
---|
1518 |
|
---|
1519 | #endif
|
---|
1520 | }
|
---|
1521 |
|
---|
1522 | }
|
---|