1 | // occquery.cpp : Defines the entry point for the console application.
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2 | //
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3 | #include "glInterface.h"
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4 | #include <math.h>
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5 | #include <time.h>
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6 | #include "common.h"
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7 | #include "RenderTraverser.h"
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8 | #include "SceneEntity.h"
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9 | #include "Vector3.h"
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10 | #include "Matrix4x4.h"
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11 | #include "ResourceManager.h"
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12 | #include "Bvh.h"
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13 | #include "Camera.h"
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14 | #include "Geometry.h"
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15 | #include "BvhLoader.h"
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16 | #include "FrustumCullingTraverser.h"
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17 | #include "StopAndWaitTraverser.h"
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18 | #include "CHCTraverser.h"
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19 | #include "CHCPlusPlusTraverser.h"
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20 | #include "Visualization.h"
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21 | #include "RenderState.h"
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22 | #include "Timer/PerfTimer.h"
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23 | #include "SceneQuery.h"
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24 | #include "RenderQueue.h"
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25 | #include "Material.h"
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26 | #include <Cg/cg.h>
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27 | #include <Cg/cgGL.h>
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28 | #include "glfont2.h"
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29 | #include "PerformanceGraph.h"
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30 | #include "Environment.h"
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31 | #include "Halton.h"
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32 | #include "Transform3.h"
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33 | #include "SampleGenerator.h"
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34 | #include "FrameBufferObject.h"
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35 | #include "SsaoShader.h"
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36 | #include "DeferredShader.h"
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37 | #include "ShadowMapping.h"
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38 | #include "Light.h"
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39 |
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40 |
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41 | using namespace std;
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42 | using namespace CHCDemoEngine;
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43 |
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44 |
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45 | static Environment env;
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46 |
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47 |
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48 | // fbo
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49 | FrameBufferObject *fbo = NULL;
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50 |
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51 | GLuint fontTex;
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52 |
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53 | /// the renderable scene geometry
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54 | SceneEntityContainer sceneEntities;
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55 | // traverses and renders the hierarchy
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56 | RenderTraverser *traverser = NULL;
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57 | /// the hierarchy
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58 | Bvh *bvh = NULL;
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59 | /// handles scene loading
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60 | ResourceManager *loader = NULL;
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61 | /// the scene camera
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62 | Camera *camera = NULL;
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63 | /// the scene camera
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64 | Camera *visCamera = NULL;
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65 | /// the visualization
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66 | Visualization *visualization = NULL;
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67 | /// the current render state
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68 | RenderState state;
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69 | /// the rendering algorithm
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70 | int renderMode = RenderTraverser::CHCPLUSPLUS;
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71 | // eye near plane distance
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72 | float nearDist = 0.2f;
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73 | /// the field of view
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74 | float fov = 50.0f;
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75 | /// the pixel threshold where a node is still considered invisible
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76 | int threshold;
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77 |
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78 | int assumedVisibleFrames = 10;
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79 | int maxBatchSize = 50;
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80 |
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81 | int trianglesPerVirtualLeaf = INITIAL_TRIANGLES_PER_VIRTUAL_LEAVES;
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82 |
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83 | SceneQuery *sceneQuery = NULL;
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84 | RenderQueue *renderQueue = NULL;
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85 |
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86 | /// these values get scaled with the frame rate
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87 | static float keyForwardMotion = 30.0f;
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88 | static float keyRotation = 1.5f;
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89 |
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90 | /// elapsed time in milliseconds
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91 | double elapsedTime = 1000.0f;
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92 | double algTime = 1000.0f;
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93 |
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94 | static int winWidth = 1024;
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95 | static int winHeight = 768;
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96 | static float winAspectRatio = 1.0f;
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97 |
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98 | double accumulatedTime = 1000;
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99 | float fps = 1e3f;
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100 |
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101 | float myfar = 0;
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102 |
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103 | glfont::GLFont myfont;
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104 |
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105 | // rendertexture
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106 | static int texWidth = 1024;
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107 | static int texHeight = 768;
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108 |
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109 | //static int texWidth = 512;
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110 | //static int texHeight = 384;
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111 |
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112 | //static int texWidth = 2048;
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113 | //static int texHeight = 2048;
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114 |
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115 | int renderedObjects = 0;
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116 | int renderedNodes = 0;
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117 | int renderedTriangles = 0;
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118 |
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119 | int issuedQueries = 0;
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120 | int traversedNodes = 0;
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121 | int frustumCulledNodes = 0;
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122 | int queryCulledNodes = 0;
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123 | int stateChanges = 0;
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124 | int numBatches = 0;
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125 |
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126 | bool showHelp = false;
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127 | bool showStatistics = false;
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128 | bool showOptions = true;
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129 | bool showBoundingVolumes = false;
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130 | bool visMode = false;
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131 |
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132 | // mouse navigation state
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133 | int xEyeBegin = 0;
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134 | int yEyeBegin = 0;
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135 | int yMotionBegin = 0;
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136 | int verticalMotionBegin = 0;
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137 | int horizontalMotionBegin = 0;
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138 |
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139 | bool useOptimization = false;
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140 | bool useTightBounds = true;
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141 | bool useRenderQueue = true;
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142 | bool useMultiQueries = true;
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143 | bool flyMode = true;
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144 |
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145 | SceneEntityContainer skyGeometry;
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146 |
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147 | bool leftKeyPressed = false;
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148 | bool rightKeyPressed = false;
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149 | bool upKeyPressed = false;
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150 | bool downKeyPressed = false;
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151 | bool descendKeyPressed = false;
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152 | bool ascendKeyPressed = false;
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153 |
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154 | bool useGlobIllum = false;
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155 | bool useSsao = false;
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156 | bool useTemporalCoherence = true;
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157 |
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158 | static float ssaoExpFactor = 0.1f;
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159 |
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160 | bool showAlgorithmTime = false;
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161 |
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162 | GLubyte *randomNormals = NULL;
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163 |
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164 | PerfTimer frameTimer, algTimer;
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165 |
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166 | int renderType = RenderState::FIXED;
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167 |
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168 | PerformanceGraph *perfGraph = NULL;
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169 |
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170 | bool useFullScreen = false;
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171 |
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172 | bool useLODs = true;
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173 |
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174 | int samplingMethod = SsaoShader::POISSON;
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175 |
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176 | static Matrix4x4 matProjectionView = IdentityMatrix();
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177 |
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178 | ShadowMapping *shadowMapping = NULL;
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179 | Light *light = NULL;
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180 |
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181 | // function forward declarations
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182 | void InitExtensions();
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183 | void DisplayVisualization();
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184 | void InitGLstate();
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185 | void InitRenderTexture();
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186 | void InitCg();
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187 | void CleanUp();
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188 | void SetupEyeView();
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189 | void UpdateEyeMtx();
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190 | void SetupLighting();
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191 | void DisplayStats();
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192 | void Output(int x, int y, const char *string);
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193 | void DrawHelpMessage();
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194 | void RenderSky();
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195 | void RenderVisibleObjects();
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196 |
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197 | void Begin2D();
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198 | void End2D();
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199 | void KeyBoard(unsigned char c, int x, int y);
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200 | void DrawStatistics();
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201 | void Display();
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202 | void Special(int c, int x, int y);
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203 | void KeyUp(unsigned char c, int x, int y);
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204 | void SpecialKeyUp(int c, int x, int y);
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205 | void Reshape(int w, int h);
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206 | void Mouse(int button, int state, int x, int y);
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207 | void LeftMotion(int x, int y);
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208 | void RightMotion(int x, int y);
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209 | void MiddleMotion(int x, int y);
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210 | void CalcDecimalPoint(string &str, int d);
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211 | void ResetTraverser();
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212 |
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213 | void KeyHorizontalMotion(float shift);
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214 | void KeyVerticalMotion(float shift);
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215 |
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216 | void PlaceViewer(const Vector3 &oldPos);
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217 |
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218 |
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219 |
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220 | inline float KeyRotationAngle() { return keyRotation * elapsedTime * 1e-3f; }
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221 | inline float KeyShift() { return keyForwardMotion * elapsedTime * 1e-3f; }
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222 |
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223 | void InitFBO();
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224 |
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225 | SsaoShader *ssaoShader = NULL;
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226 | DeferredShader *deferredShader = NULL;
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227 |
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228 | static GLenum mrt[] = {GL_COLOR_ATTACHMENT0_EXT, GL_COLOR_ATTACHMENT1_EXT, GL_COLOR_ATTACHMENT2_EXT};
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229 |
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230 |
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231 | /////////
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232 | //-- cg stuff
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233 |
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234 | static CGcontext sCgContext = NULL;
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235 | static CGprogram sCgMrtVertexProgram = NULL;
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236 |
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237 | static CGparameter sModelViewProjMatrixParam;
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238 | static CGparameter sMaxDepthParam;
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239 | static CGparameter sMaxDepthParamTex;
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240 |
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241 | static Matrix4x4 oldViewProjMatrix;
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242 |
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243 |
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244 | static void cgErrorCallback()
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245 | {
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246 | CGerror lastError = cgGetError();
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247 |
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248 | if(lastError)
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249 | {
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250 | printf("%s\n\n", cgGetErrorString(lastError));
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251 | printf("%s\n", cgGetLastListing(sCgContext));
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252 |
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253 | printf("Cg error, exiting...\n");
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254 |
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255 | exit(0);
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256 | }
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257 | }
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258 |
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259 |
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260 | static void PrintGLerror(char *msg)
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261 | {
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262 | GLenum errCode;
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263 | const GLubyte *errStr;
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264 |
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265 | if ((errCode = glGetError()) != GL_NO_ERROR)
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266 | {
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267 | errStr = gluErrorString(errCode);
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268 | fprintf(stderr,"OpenGL ERROR: %s: %s\n", errStr, msg);
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269 | }
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270 | }
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271 |
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272 |
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273 | int main(int argc, char* argv[])
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274 | {
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275 | int returnCode = 0;
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276 |
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277 | Vector3 camPos(.0f, .0f, .0f);
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278 | Vector3 camDir(.0f, 1.0f, .0f);
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279 |
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280 | cout << "=== reading environment file ===" << endl << endl;
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281 |
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282 | string envFileName = "default.env";
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283 | if (!env.Read(envFileName))
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284 | {
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285 | cerr << "loading environment " << envFileName << " failed!" << endl;
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286 | }
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287 | else
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288 | {
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289 | env.GetIntParam(string("assumedVisibleFrames"), assumedVisibleFrames);
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290 | env.GetIntParam(string("maxBatchSize"), maxBatchSize);
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291 | env.GetIntParam(string("trianglesPerVirtualLeaf"), trianglesPerVirtualLeaf);
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292 |
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293 | env.GetFloatParam(string("keyForwardMotion"), keyForwardMotion);
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294 | env.GetFloatParam(string("keyRotation"), keyRotation);
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295 |
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296 | env.GetIntParam(string("winWidth"), winWidth);
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297 | env.GetIntParam(string("winHeight"), winHeight);
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298 |
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299 | env.GetBoolParam(string("useFullScreen"), useFullScreen);
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300 | env.GetFloatParam(string("expFactor"), ssaoExpFactor);
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301 | env.GetVectorParam(string("camPosition"), camPos);
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302 | env.GetVectorParam(string("camDirection"), camDir);
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303 |
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304 | env.GetBoolParam(string("useLODs"), useLODs);
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305 |
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306 | //env.GetStringParam(string("modelPath"), model_path);
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307 | //env.GetIntParam(string("numSssaoSamples"), numSsaoSamples);
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308 |
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309 |
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310 | cout << "assumedVisibleFrames: " << assumedVisibleFrames << endl;
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311 | cout << "maxBatchSize: " << maxBatchSize << endl;
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312 | cout << "trianglesPerVirtualLeaf: " << trianglesPerVirtualLeaf << endl;
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313 |
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314 | cout << "keyForwardMotion: " << keyForwardMotion << endl;
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315 | cout << "keyRotation: " << keyRotation << endl;
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316 | cout << "winWidth: " << winWidth << endl;
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317 | cout << "winHeight: " << winHeight << endl;
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318 | cout << "useFullScreen: " << useFullScreen << endl;
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319 | cout << "useLODs: " << useLODs << endl;
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320 | cout << "camPosition: " << camPos << endl;
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321 | cout << "expFactor: " << ssaoExpFactor << endl;
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322 |
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323 | //cout << "model path: " << model_path << endl;
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324 |
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325 | cout << "**** end parameters ****" << endl << endl;
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326 | }
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327 |
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328 | ///////////////////////////
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329 |
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330 | camera = new Camera(winWidth, winHeight, fov);
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331 | camera->SetNear(nearDist);
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332 |
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333 | cout << "here2 " << Normalize(camDir) << endl;
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334 |
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335 | camera->SetDirection(camDir);
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336 | cout << "here3 " << camera->GetDirection() << endl;
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337 | camera->SetPosition(camPos);
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338 |
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339 | visCamera = new Camera(winWidth, winHeight, fov);
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340 |
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341 | visCamera->SetNear(0.0f);
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342 | visCamera->Yaw(.5 * M_PI);
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343 |
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344 | renderQueue = new RenderQueue(&state, camera);
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345 |
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346 | glutInitWindowSize(winWidth, winHeight);
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347 | glutInit(&argc, argv);
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348 | glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGBA | GLUT_DEPTH | GLUT_MULTISAMPLE);
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349 | //glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGBA | GLUT_DEPTH);
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350 | //glutInitDisplayString("samples=2");
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351 |
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352 | SceneEntity::SetUseLODs(useLODs);
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353 |
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354 |
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355 | if (!useFullScreen)
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356 | {
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357 | glutCreateWindow("FriendlyCulling");
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358 | }
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359 | else
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360 | {
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361 | glutGameModeString( "1024x768:32@75" );
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362 | glutEnterGameMode();
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363 | }
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364 |
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365 | glutDisplayFunc(Display);
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366 | glutKeyboardFunc(KeyBoard);
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367 | glutSpecialFunc(Special);
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368 | glutReshapeFunc(Reshape);
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369 | glutMouseFunc(Mouse);
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370 | glutIdleFunc(Display);
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371 | glutKeyboardUpFunc(KeyUp);
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372 | glutSpecialUpFunc(SpecialKeyUp);
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373 | glutIgnoreKeyRepeat(true);
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374 |
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375 | // initialise gl graphics
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376 | InitExtensions();
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377 | InitGLstate();
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378 |
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379 | glEnable(GL_MULTISAMPLE_ARB);
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380 | glHint(GL_MULTISAMPLE_FILTER_HINT_NV, GL_NICEST);
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381 |
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382 | LeftMotion(0, 0);
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383 | MiddleMotion(0, 0);
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384 |
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385 | perfGraph = new PerformanceGraph(1000);
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386 |
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387 | loader = new ResourceManager();
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388 |
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389 | //const string filename("data/city/model/city.dem");
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390 | const string filename = string(model_path + "city.dem");
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391 |
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392 | if (loader->Load(filename, sceneEntities))
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393 | cout << "scene " << filename << " loaded" << endl;
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394 | else
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395 | {
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396 | cerr << "loading scene " << filename << " failed" << endl;
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397 | CleanUp();
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398 | exit(0);
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399 | }
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400 |
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401 | SceneEntityContainer dummy;
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402 |
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403 | const string envname = string(model_path + "env.dem");
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404 |
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405 | if (loader->Load(envname, skyGeometry))
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406 | cout << "sky box " << filename << " loaded" << endl;
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407 | else
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408 | {
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409 | cerr << "loading sky box " << filename << " failed" << endl;
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410 | CleanUp();
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411 | exit(0);
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412 | }
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413 |
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414 | const string bvh_filename = string(model_path + "city.bvh");
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415 | BvhLoader bvhLoader;
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416 | bvh = bvhLoader.Load(bvh_filename, sceneEntities);
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417 |
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418 | if (!bvh)
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419 | {
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420 | cerr << "loading bvh " << bvh_filename << " failed" << endl;
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421 | CleanUp();
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422 | exit(0);
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423 | }
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424 |
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425 | // set far plane based on scene extent
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426 | myfar = 10.0f * Magnitude(bvh->GetBox().Diagonal());
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427 | bvh->SetVirtualLeaves(trianglesPerVirtualLeaf);
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428 |
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429 | bvh->SetCamera(camera);
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430 |
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431 | InitCg();
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432 |
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433 | DeferredShader::Init(sCgContext);
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434 | SsaoShader::Init(sCgContext);
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435 | ShadowMapping::Init(sCgContext);
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436 |
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437 | //deferredShader = new DeferredShader(texWidth, texHeight);
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438 | //ssaoShader = new SsaoShader(texWidth, texHeight, camera, myfar / 10.0f);
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439 |
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440 |
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441 | // initialize the render traverser
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442 | ResetTraverser();
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443 |
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444 | visualization = new Visualization(bvh, camera, NULL, &state);
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445 |
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446 | sceneQuery = new SceneQuery(bvh->GetBox(), traverser);
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447 |
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448 | light = new Light(Vector3(0, 0, -1), RgbaColor(1, 1, 1, 1));
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449 |
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450 | shadowMapping = new ShadowMapping(bvh->GetBox(), 512);
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451 | shadowMapping->ComputeShadowMap(light, traverser);
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452 |
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453 | // frame time is restarted every frame
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454 | frameTimer.Start();
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455 |
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456 | // the rendering loop
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457 | glutMainLoop();
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458 |
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459 | // clean up
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460 | CleanUp();
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461 |
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462 | return 0;
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463 | }
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464 |
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465 |
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466 | void InitCg(void)
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467 | {
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468 | // Setup Cg
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469 | cgSetErrorCallback(cgErrorCallback);
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470 |
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471 | // Create cgContext.
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472 | sCgContext = cgCreateContext();
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473 |
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474 | // get the best profile for this hardware
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475 | RenderState::sCgFragmentProfile = cgGLGetLatestProfile(CG_GL_FRAGMENT);
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476 | cgGLSetOptimalOptions(RenderState::sCgFragmentProfile);
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477 |
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478 | RenderState::sCgVertexProfile = cgGLGetLatestProfile(CG_GL_VERTEX);
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479 | cgGLSetOptimalOptions(RenderState::sCgVertexProfile);
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480 |
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481 | sCgMrtVertexProgram =
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482 | cgCreateProgramFromFile(sCgContext,
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483 | CG_SOURCE,
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484 | "src/shaders/mrt.cg",
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485 | RenderState::sCgVertexProfile,
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486 | "vtx",
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487 | NULL);
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488 |
|
---|
489 | if (sCgMrtVertexProgram != NULL)
|
---|
490 | {
|
---|
491 | cgGLLoadProgram(sCgMrtVertexProgram);
|
---|
492 |
|
---|
493 | Transform3::sModelMatrixParam = cgGetNamedParameter(sCgMrtVertexProgram, "ModelMatrix");
|
---|
494 | sModelViewProjMatrixParam = cgGetNamedParameter(sCgMrtVertexProgram, "ModelViewProj");
|
---|
495 | }
|
---|
496 |
|
---|
497 | RenderState::sCgMrtFragmentTexProgram =
|
---|
498 | cgCreateProgramFromFile(sCgContext,
|
---|
499 | CG_SOURCE,
|
---|
500 | "src/shaders/mrt.cg",
|
---|
501 | RenderState::sCgFragmentProfile,
|
---|
502 | "fragtex",
|
---|
503 | NULL);
|
---|
504 |
|
---|
505 | if (RenderState::sCgMrtFragmentTexProgram != NULL)
|
---|
506 | {
|
---|
507 | cgGLLoadProgram(RenderState::sCgMrtFragmentTexProgram);
|
---|
508 |
|
---|
509 | sMaxDepthParamTex = cgGetNamedParameter(RenderState::sCgMrtFragmentTexProgram, "maxDepth");
|
---|
510 | Material::sDiffuseTexParam = cgGetNamedParameter(RenderState::sCgMrtFragmentTexProgram, "diffuse");
|
---|
511 | Material::sAmbientTexParam = cgGetNamedParameter(RenderState::sCgMrtFragmentTexProgram, "ambient");
|
---|
512 |
|
---|
513 | cgGLSetParameter1f(sMaxDepthParamTex, 10.0f / myfar);
|
---|
514 | Debug << "maxdepth: " << 10.0f / myfar << endl;
|
---|
515 | }
|
---|
516 | else
|
---|
517 | cerr << "fragment tex program failed to load" << endl;
|
---|
518 |
|
---|
519 | RenderState::sCgMrtFragmentProgram =
|
---|
520 | cgCreateProgramFromFile(sCgContext,
|
---|
521 | CG_SOURCE,
|
---|
522 | "src/shaders/mrt.cg",
|
---|
523 | RenderState::sCgFragmentProfile,
|
---|
524 | "frag",
|
---|
525 | NULL);
|
---|
526 |
|
---|
527 | if (RenderState::sCgMrtFragmentProgram != NULL)
|
---|
528 | {
|
---|
529 | cgGLLoadProgram(RenderState::sCgMrtFragmentProgram);
|
---|
530 |
|
---|
531 | sMaxDepthParam = cgGetNamedParameter(RenderState::sCgMrtFragmentProgram, "maxDepth");
|
---|
532 | Material::sDiffuseParam = cgGetNamedParameter(RenderState::sCgMrtFragmentProgram, "diffuse");
|
---|
533 | Material::sAmbientParam = cgGetNamedParameter(RenderState::sCgMrtFragmentProgram, "ambient");
|
---|
534 |
|
---|
535 | cgGLSetParameter1f(sMaxDepthParam, 10.0f / myfar);
|
---|
536 | }
|
---|
537 | else
|
---|
538 | cerr << "fragment program failed to load" << endl;
|
---|
539 |
|
---|
540 | PrintGLerror("init");
|
---|
541 |
|
---|
542 | cout << "cg initialization successful" << endl;
|
---|
543 | }
|
---|
544 |
|
---|
545 |
|
---|
546 | void InitFBO()
|
---|
547 | {
|
---|
548 | // this fbo basicly stores the scene information we get from standard rendering of a frame
|
---|
549 | // we store colors, normals, positions (for the ssao)
|
---|
550 | fbo = new FrameBufferObject(texWidth, texHeight, FrameBufferObject::DEPTH_32);
|
---|
551 |
|
---|
552 | // the diffuse color buffer
|
---|
553 | fbo->AddColorBuffer(ColorBufferObject::BUFFER_FLOAT_32, ColorBufferObject::WRAP_CLAMP_TO_EDGE, ColorBufferObject::FILTER_MIPMAP_LINEAR, true);
|
---|
554 | //fbo->AddColorBuffer(ColorBufferObject::BUFFER_FLOAT_32, ColorBufferObject::WRAP_CLAMP_TO_EDGE, ColorBufferObject::FILTER_NEAREST, false);
|
---|
555 |
|
---|
556 | // the positions buffer
|
---|
557 | fbo->AddColorBuffer(ColorBufferObject::BUFFER_FLOAT_32, ColorBufferObject::WRAP_CLAMP_TO_EDGE, ColorBufferObject::FILTER_MIPMAP_LINEAR, true);
|
---|
558 | //fbo->AddColorBuffer(ColorBufferObject::BUFFER_FLOAT_32, ColorBufferObject::WRAP_CLAMP_TO_EDGE, ColorBufferObject::FILTER_NEAREST, false);
|
---|
559 |
|
---|
560 | // the normals buffer
|
---|
561 | //fbo->AddColorBuffer(ColorBufferObject::BUFFER_UBYTE, ColorBufferObject::WRAP_CLAMP_TO_EDGE, ColorBufferObject::FILTER_NEAREST, false);
|
---|
562 | fbo->AddColorBuffer(ColorBufferObject::BUFFER_FLOAT_16, ColorBufferObject::WRAP_CLAMP_TO_EDGE, ColorBufferObject::FILTER_NEAREST, false);
|
---|
563 |
|
---|
564 | // another color buffer
|
---|
565 | fbo->AddColorBuffer(ColorBufferObject::BUFFER_FLOAT_32, ColorBufferObject::WRAP_CLAMP_TO_EDGE, ColorBufferObject::FILTER_NEAREST, false);
|
---|
566 |
|
---|
567 | PrintGLerror("fbo");
|
---|
568 | }
|
---|
569 |
|
---|
570 |
|
---|
571 | bool InitFont(void)
|
---|
572 | {
|
---|
573 | glEnable(GL_TEXTURE_2D);
|
---|
574 |
|
---|
575 | glGenTextures(1, &fontTex);
|
---|
576 | glBindTexture(GL_TEXTURE_2D, fontTex);
|
---|
577 | if (!myfont.Create("data/fonts/verdana.glf", fontTex))
|
---|
578 | return false;
|
---|
579 |
|
---|
580 | glDisable(GL_TEXTURE_2D);
|
---|
581 |
|
---|
582 | return true;
|
---|
583 | }
|
---|
584 |
|
---|
585 |
|
---|
586 | void InitGLstate()
|
---|
587 | {
|
---|
588 | glClearColor(0.0f, 0.0, 0.2f, 0.0f);
|
---|
589 |
|
---|
590 | glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
|
---|
591 | glPixelStorei(GL_PACK_ALIGNMENT,1);
|
---|
592 |
|
---|
593 | glDepthFunc(GL_LESS);
|
---|
594 | glEnable(GL_DEPTH_TEST);
|
---|
595 |
|
---|
596 | SetupLighting();
|
---|
597 |
|
---|
598 | glColor3f(1.0f, 1.0f, 1.0f);
|
---|
599 | glShadeModel(GL_SMOOTH);
|
---|
600 |
|
---|
601 | glMaterialf(GL_FRONT, GL_SHININESS, 64);
|
---|
602 | glEnable(GL_NORMALIZE);
|
---|
603 |
|
---|
604 | //glEnable(GL_ALPHA_TEST);
|
---|
605 | glDisable(GL_ALPHA_TEST);
|
---|
606 | glAlphaFunc(GL_GEQUAL, 0.8f);
|
---|
607 |
|
---|
608 | glFrontFace(GL_CCW);
|
---|
609 | glCullFace(GL_BACK);
|
---|
610 | glEnable(GL_CULL_FACE);
|
---|
611 |
|
---|
612 | //glDisable(GL_CULL_FACE);
|
---|
613 | glDisable(GL_TEXTURE_2D);
|
---|
614 |
|
---|
615 | GLfloat ambientColor[] = {0.5, 0.5, 0.5, 1.0};
|
---|
616 | GLfloat diffuseColor[] = {1.0, 0.0, 0.0, 1.0};
|
---|
617 | GLfloat specularColor[] = {0.0, 0.0, 0.0, 1.0};
|
---|
618 |
|
---|
619 | glMaterialfv(GL_FRONT, GL_AMBIENT, ambientColor);
|
---|
620 | glMaterialfv(GL_FRONT, GL_DIFFUSE, diffuseColor);
|
---|
621 | glMaterialfv(GL_FRONT, GL_SPECULAR, specularColor);
|
---|
622 |
|
---|
623 | glDepthFunc(GL_LESS);
|
---|
624 |
|
---|
625 | if (!InitFont())
|
---|
626 | cerr << "font creation failed" << endl;
|
---|
627 | else
|
---|
628 | cout << "successfully created font" << endl;
|
---|
629 | }
|
---|
630 |
|
---|
631 |
|
---|
632 | void DrawHelpMessage()
|
---|
633 | {
|
---|
634 | const char *message[] =
|
---|
635 | {
|
---|
636 | "Help information",
|
---|
637 | "",
|
---|
638 | "'F1' - shows/dismisses this message",
|
---|
639 | "'F2' - shows/hides bird eye view",
|
---|
640 | "'F3' - shows/hides bounds (boxes or tight bounds)",
|
---|
641 | "'F4', - shows/hides parameters",
|
---|
642 | "'F5' - shows/hides statistics",
|
---|
643 | "'F6', - toggles between fly/walkmode",
|
---|
644 | "'F7', - cycles throw render modes",
|
---|
645 | "'F8', - enables/disables ambient occlusion (only deferred)",
|
---|
646 | "'F9', - shows pure algorithm render time (using glFinish)",
|
---|
647 | "'SPACE' - cycles through occlusion culling algorithms",
|
---|
648 | "",
|
---|
649 | "'MOUSE LEFT' - turn left/right, move forward/backward",
|
---|
650 | "'MOUSE RIGHT' - turn left/right, move forward/backward",
|
---|
651 | "'MOUSE MIDDLE' - move up/down, left/right",
|
---|
652 | "'CURSOR UP/DOWN' - move forward/backward",
|
---|
653 | "'CURSOR LEFT/RIGHT' - turn left/right",
|
---|
654 | "",
|
---|
655 | "'-'/'+' - decreases/increases max batch size",
|
---|
656 | "'1'/'2' - downward/upward motion",
|
---|
657 | "'3'/'4' - decreases/increases triangles per virtual bvh leaf (sets bvh depth)",
|
---|
658 | "'5'/'6' - decreases/increases assumed visible frames",
|
---|
659 | "",
|
---|
660 | "'R' - use render queue",
|
---|
661 | "'B' - use tight bounds",
|
---|
662 | "'M' - use multiqueries",
|
---|
663 | "'O' - use CHC optimization (geometry queries for leaves)",
|
---|
664 | 0,
|
---|
665 | };
|
---|
666 |
|
---|
667 |
|
---|
668 | glColor4f(0.0f, 1.0f , 0.0f, 0.2f); // 20% green.
|
---|
669 |
|
---|
670 | glRecti(30, 30, winWidth - 30, winHeight - 30);
|
---|
671 |
|
---|
672 | glEnd();
|
---|
673 |
|
---|
674 | glColor3f(1.0f, 1.0f, 1.0f);
|
---|
675 |
|
---|
676 | glEnable(GL_TEXTURE_2D);
|
---|
677 | myfont.Begin();
|
---|
678 |
|
---|
679 | int x = 40, y = 30;
|
---|
680 |
|
---|
681 | for(int i = 0; message[i] != 0; ++ i)
|
---|
682 | {
|
---|
683 | if(message[i][0] == '\0')
|
---|
684 | {
|
---|
685 | y += 15;
|
---|
686 | }
|
---|
687 | else
|
---|
688 | {
|
---|
689 | myfont.DrawString(message[i], x, winHeight - y);
|
---|
690 | y += 25;
|
---|
691 | }
|
---|
692 | }
|
---|
693 | glDisable(GL_TEXTURE_2D);
|
---|
694 | }
|
---|
695 |
|
---|
696 |
|
---|
697 | void ResetTraverser()
|
---|
698 | {
|
---|
699 | DEL_PTR(traverser);
|
---|
700 |
|
---|
701 | bvh->ResetNodeClassifications();
|
---|
702 |
|
---|
703 | switch (renderMode)
|
---|
704 | {
|
---|
705 | case RenderTraverser::CULL_FRUSTUM:
|
---|
706 | traverser = new FrustumCullingTraverser();
|
---|
707 | break;
|
---|
708 | case RenderTraverser::STOP_AND_WAIT:
|
---|
709 | traverser = new StopAndWaitTraverser();
|
---|
710 | break;
|
---|
711 | case RenderTraverser::CHC:
|
---|
712 | traverser = new CHCTraverser();
|
---|
713 | break;
|
---|
714 | case RenderTraverser::CHCPLUSPLUS:
|
---|
715 | traverser = new CHCPlusPlusTraverser();
|
---|
716 | break;
|
---|
717 |
|
---|
718 | default:
|
---|
719 | traverser = new FrustumCullingTraverser();
|
---|
720 | }
|
---|
721 |
|
---|
722 | traverser->SetCamera(camera);
|
---|
723 | traverser->SetHierarchy(bvh);
|
---|
724 | traverser->SetRenderQueue(renderQueue);
|
---|
725 | traverser->SetRenderState(&state);
|
---|
726 | traverser->SetUseOptimization(useOptimization);
|
---|
727 | traverser->SetUseRenderQueue(useRenderQueue);
|
---|
728 | traverser->SetVisibilityThreshold(threshold);
|
---|
729 | traverser->SetAssumedVisibleFrames(assumedVisibleFrames);
|
---|
730 | traverser->SetMaxBatchSize(maxBatchSize);
|
---|
731 | traverser->SetUseMultiQueries(useMultiQueries);
|
---|
732 | traverser->SetUseTightBounds(useTightBounds);
|
---|
733 | traverser->SetUseDepthPass(renderType == RenderState::DEPTH_PASS);
|
---|
734 | traverser->SetRenderQueue(renderQueue);
|
---|
735 | }
|
---|
736 |
|
---|
737 |
|
---|
738 | void SetupLighting()
|
---|
739 | {
|
---|
740 | glEnable(GL_LIGHTING);
|
---|
741 | glEnable(GL_LIGHT0);
|
---|
742 | glEnable(GL_LIGHT1);
|
---|
743 |
|
---|
744 | GLfloat ambient[] = {0.2, 0.2, 0.2, 1.0};
|
---|
745 | GLfloat diffuse[] = {1.0, 1.0, 1.0, 1.0};
|
---|
746 | GLfloat specular[] = {1.0, 1.0, 1.0, 1.0};
|
---|
747 |
|
---|
748 | GLfloat lmodel_ambient[] = {0.3f, 0.3f, 0.3f, 1.0f};
|
---|
749 |
|
---|
750 | glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
|
---|
751 | glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
|
---|
752 | glLightfv(GL_LIGHT0, GL_SPECULAR, specular);
|
---|
753 |
|
---|
754 |
|
---|
755 | ////////////
|
---|
756 | //-- second light
|
---|
757 |
|
---|
758 | GLfloat ambient1[] = {0.2, 0.2, 0.2, 1.0};
|
---|
759 | GLfloat diffuse1[] = {1.0, 1.0, 1.0, 1.0};
|
---|
760 | //GLfloat diffuse1[] = {0.5, 0.5, 0.5, 1.0};
|
---|
761 | GLfloat specular1[] = {0.0, 0.0, 0.0, 1.0};
|
---|
762 |
|
---|
763 | glLightfv(GL_LIGHT1, GL_AMBIENT, ambient1);
|
---|
764 | glLightfv(GL_LIGHT1, GL_DIFFUSE, diffuse1);
|
---|
765 | glLightfv(GL_LIGHT1, GL_SPECULAR, specular1);
|
---|
766 |
|
---|
767 |
|
---|
768 | //////////////////////////////
|
---|
769 |
|
---|
770 | GLfloat position[] = {0.8f, -1.0f, 0.7f, 0.0f};
|
---|
771 | glLightfv(GL_LIGHT0, GL_POSITION, position);
|
---|
772 |
|
---|
773 | GLfloat position1[] = {-0.5f, 0.5f, 0.4f, 0.0f};
|
---|
774 | glLightfv(GL_LIGHT1, GL_POSITION, position1);
|
---|
775 |
|
---|
776 | glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
|
---|
777 | glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);
|
---|
778 | glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL_EXT, GL_SINGLE_COLOR_EXT);
|
---|
779 | }
|
---|
780 |
|
---|
781 |
|
---|
782 | void SetupEyeView()
|
---|
783 | {
|
---|
784 | // store matrix of last frame
|
---|
785 | oldViewProjMatrix = matProjectionView;
|
---|
786 |
|
---|
787 | glMatrixMode(GL_PROJECTION);
|
---|
788 | glLoadIdentity();
|
---|
789 |
|
---|
790 | gluPerspective(fov, winAspectRatio, nearDist, myfar);
|
---|
791 |
|
---|
792 | glMatrixMode(GL_MODELVIEW);
|
---|
793 | glLoadIdentity();
|
---|
794 |
|
---|
795 | // set up the camera view
|
---|
796 | camera->SetupCameraView();
|
---|
797 |
|
---|
798 | // set lights
|
---|
799 | GLfloat position[] = {0.8f, -1.0f, 0.7f, 0.0f};
|
---|
800 | glLightfv(GL_LIGHT0, GL_POSITION, position);
|
---|
801 |
|
---|
802 | GLfloat position1[] = {-0.5f, 0.5f, 0.4f, 0.0f};
|
---|
803 | glLightfv(GL_LIGHT1, GL_POSITION, position1);
|
---|
804 |
|
---|
805 |
|
---|
806 | /////////////////
|
---|
807 |
|
---|
808 | Matrix4x4 matViewing, matProjection;
|
---|
809 |
|
---|
810 | camera->GetModelViewMatrix(matViewing);
|
---|
811 | camera->GetProjectionMatrix(matProjection);
|
---|
812 |
|
---|
813 | // store matrix for later use
|
---|
814 | matProjectionView = matViewing * matProjection;
|
---|
815 |
|
---|
816 | if (renderType == RenderState::DEFERRED)
|
---|
817 | {
|
---|
818 | // set modelview matrix for shaders
|
---|
819 | cgGLSetStateMatrixParameter(sModelViewProjMatrixParam,
|
---|
820 | CG_GL_MODELVIEW_PROJECTION_MATRIX,
|
---|
821 | CG_GL_MATRIX_IDENTITY);
|
---|
822 |
|
---|
823 | static Matrix4x4 identity = IdentityMatrix();
|
---|
824 | cgGLSetMatrixParameterfc(Transform3::sModelMatrixParam, (const float *)identity.x);
|
---|
825 | }
|
---|
826 | }
|
---|
827 |
|
---|
828 |
|
---|
829 | void KeyHorizontalMotion(float shift)
|
---|
830 | {
|
---|
831 | Vector3 hvec = camera->GetDirection();
|
---|
832 | hvec.z = 0;
|
---|
833 |
|
---|
834 | Vector3 pos = camera->GetPosition();
|
---|
835 | pos += hvec * shift;
|
---|
836 |
|
---|
837 | camera->SetPosition(pos);
|
---|
838 | }
|
---|
839 |
|
---|
840 |
|
---|
841 | void KeyVerticalMotion(float shift)
|
---|
842 | {
|
---|
843 | Vector3 uvec = Vector3(0, 0, shift);
|
---|
844 |
|
---|
845 | Vector3 pos = camera->GetPosition();
|
---|
846 | pos += uvec;
|
---|
847 |
|
---|
848 | camera->SetPosition(pos);
|
---|
849 | }
|
---|
850 |
|
---|
851 |
|
---|
852 | // the main rendering loop
|
---|
853 | void Display()
|
---|
854 | {
|
---|
855 | Vector3 oldPos = camera->GetPosition();
|
---|
856 |
|
---|
857 | if (leftKeyPressed)
|
---|
858 | camera->Pitch(KeyRotationAngle());
|
---|
859 | if (rightKeyPressed)
|
---|
860 | camera->Pitch(-KeyRotationAngle());
|
---|
861 | if (upKeyPressed)
|
---|
862 | KeyHorizontalMotion(-KeyShift());
|
---|
863 | if (downKeyPressed)
|
---|
864 | KeyHorizontalMotion(KeyShift());
|
---|
865 | if (ascendKeyPressed)
|
---|
866 | KeyVerticalMotion(KeyShift());
|
---|
867 | if (descendKeyPressed)
|
---|
868 | KeyVerticalMotion(-KeyShift());
|
---|
869 |
|
---|
870 | // place view on ground
|
---|
871 | if (!flyMode) PlaceViewer(oldPos);
|
---|
872 |
|
---|
873 | if (showAlgorithmTime)
|
---|
874 | {
|
---|
875 | glFinish();
|
---|
876 | algTimer.Start();
|
---|
877 | }
|
---|
878 |
|
---|
879 |
|
---|
880 | //shadowMapping->ComputeShadowMap(light, traverser);
|
---|
881 |
|
---|
882 |
|
---|
883 |
|
---|
884 | // render without shading
|
---|
885 | switch (renderType)
|
---|
886 | {
|
---|
887 | case RenderState::FIXED:
|
---|
888 |
|
---|
889 | glEnable(GL_MULTISAMPLE_ARB);
|
---|
890 |
|
---|
891 | state.SetRenderType(RenderState::FIXED);
|
---|
892 | glEnable(GL_LIGHTING);
|
---|
893 |
|
---|
894 | cgGLDisableProfile(RenderState::sCgFragmentProfile);
|
---|
895 | cgGLDisableProfile(RenderState::sCgVertexProfile);
|
---|
896 |
|
---|
897 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
---|
898 |
|
---|
899 | break;
|
---|
900 |
|
---|
901 | case RenderState::DEPTH_PASS:
|
---|
902 |
|
---|
903 | glEnable(GL_MULTISAMPLE_ARB);
|
---|
904 |
|
---|
905 | cgGLDisableProfile(RenderState::sCgFragmentProfile);
|
---|
906 | cgGLDisableProfile(RenderState::sCgVertexProfile);
|
---|
907 |
|
---|
908 | state.SetRenderType(RenderState::DEPTH_PASS);
|
---|
909 |
|
---|
910 | // the scene is rendered withouth any shading
|
---|
911 | glDisable(GL_LIGHTING);
|
---|
912 |
|
---|
913 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
---|
914 |
|
---|
915 | glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
|
---|
916 |
|
---|
917 | break;
|
---|
918 |
|
---|
919 | case RenderState::DEFERRED:
|
---|
920 |
|
---|
921 | if (!fbo) InitFBO();
|
---|
922 |
|
---|
923 | // multisampling does not work with deferred shading
|
---|
924 | glDisable(GL_MULTISAMPLE_ARB);
|
---|
925 |
|
---|
926 | state.SetRenderType(RenderState::DEFERRED);
|
---|
927 |
|
---|
928 | fbo->Bind();
|
---|
929 |
|
---|
930 | glPushAttrib(GL_VIEWPORT_BIT);
|
---|
931 | glViewport(0, 0, texWidth, texHeight);
|
---|
932 |
|
---|
933 | cgGLEnableProfile(RenderState::sCgFragmentProfile);
|
---|
934 | cgGLBindProgram(RenderState::sCgMrtFragmentProgram);
|
---|
935 |
|
---|
936 | cgGLEnableProfile(RenderState::sCgVertexProfile);
|
---|
937 | cgGLBindProgram(sCgMrtVertexProgram);
|
---|
938 |
|
---|
939 | /// draw to 3 color buffers
|
---|
940 | glDrawBuffers(3, mrt);
|
---|
941 |
|
---|
942 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
---|
943 |
|
---|
944 | break;
|
---|
945 | }
|
---|
946 |
|
---|
947 |
|
---|
948 | glDepthFunc(GL_LESS);
|
---|
949 |
|
---|
950 | glDisable(GL_TEXTURE_2D);
|
---|
951 | glDisableClientState(GL_TEXTURE_COORD_ARRAY);
|
---|
952 |
|
---|
953 |
|
---|
954 | // reset lod levels for current frame
|
---|
955 | LODLevel::InitFrame(camera->GetPosition());
|
---|
956 |
|
---|
957 |
|
---|
958 | // bring eye modelview matrix up-to-date
|
---|
959 | SetupEyeView();
|
---|
960 |
|
---|
961 | // actually render the scene geometry using one of the specified algorithms
|
---|
962 | traverser->RenderScene();
|
---|
963 |
|
---|
964 |
|
---|
965 |
|
---|
966 | /////////
|
---|
967 | //-- do the rest of the rendering
|
---|
968 |
|
---|
969 | glEnableClientState(GL_VERTEX_ARRAY);
|
---|
970 | glEnableClientState(GL_NORMAL_ARRAY);
|
---|
971 |
|
---|
972 |
|
---|
973 | // reset depth pass and render visible objects
|
---|
974 | if (renderType == RenderState::DEPTH_PASS)
|
---|
975 | {
|
---|
976 | glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
|
---|
977 | RenderVisibleObjects();
|
---|
978 | }
|
---|
979 |
|
---|
980 |
|
---|
981 | ///////////////
|
---|
982 | //-- render sky
|
---|
983 |
|
---|
984 | RenderSky();
|
---|
985 |
|
---|
986 | state.Reset();
|
---|
987 |
|
---|
988 | glDisableClientState(GL_VERTEX_ARRAY);
|
---|
989 | glDisableClientState(GL_NORMAL_ARRAY);
|
---|
990 |
|
---|
991 |
|
---|
992 | if (renderType == RenderState::DEFERRED)
|
---|
993 | {
|
---|
994 | FrameBufferObject::Release();
|
---|
995 |
|
---|
996 | cgGLDisableProfile(RenderState::sCgVertexProfile);
|
---|
997 | cgGLDisableProfile(RenderState::sCgFragmentProfile);
|
---|
998 |
|
---|
999 | if (useSsao)
|
---|
1000 | {
|
---|
1001 | if (!ssaoShader) ssaoShader = new SsaoShader(texWidth, texHeight, camera, myfar / 10.0f);
|
---|
1002 | //DEL_PTR(deferredShader);
|
---|
1003 | ssaoShader->Render(fbo, oldViewProjMatrix, ssaoExpFactor);
|
---|
1004 |
|
---|
1005 | }
|
---|
1006 | else
|
---|
1007 | {
|
---|
1008 | if (!deferredShader) deferredShader = new DeferredShader(texWidth, texHeight);
|
---|
1009 | //DEL_PTR(ssaoShader);
|
---|
1010 | deferredShader->Render(fbo);
|
---|
1011 | }
|
---|
1012 | }
|
---|
1013 | else
|
---|
1014 | {
|
---|
1015 | /*DEL_PTR(fbo);
|
---|
1016 | DEL_PTR(ssaoShader);
|
---|
1017 | DEL_PTR(deferredShader);
|
---|
1018 | */
|
---|
1019 | }
|
---|
1020 |
|
---|
1021 | ///////////
|
---|
1022 |
|
---|
1023 | state.SetRenderType(RenderState::FIXED);
|
---|
1024 |
|
---|
1025 | if (showAlgorithmTime)
|
---|
1026 | {
|
---|
1027 | glFinish();
|
---|
1028 |
|
---|
1029 | algTime = algTimer.Elapsedms();
|
---|
1030 | perfGraph->AddData(algTime);
|
---|
1031 |
|
---|
1032 | perfGraph->Draw();
|
---|
1033 | }
|
---|
1034 | else
|
---|
1035 | {
|
---|
1036 | if (visMode) DisplayVisualization();
|
---|
1037 | }
|
---|
1038 |
|
---|
1039 | glFlush();
|
---|
1040 |
|
---|
1041 | const bool restart = true;
|
---|
1042 | elapsedTime = frameTimer.Elapsedms(restart);
|
---|
1043 |
|
---|
1044 | DisplayStats();
|
---|
1045 |
|
---|
1046 | glutSwapBuffers();
|
---|
1047 | }
|
---|
1048 |
|
---|
1049 |
|
---|
1050 | #pragma warning( disable : 4100 )
|
---|
1051 | void KeyBoard(unsigned char c, int x, int y)
|
---|
1052 | {
|
---|
1053 | switch(c)
|
---|
1054 | {
|
---|
1055 | case 27:
|
---|
1056 | CleanUp();
|
---|
1057 | exit(0);
|
---|
1058 | break;
|
---|
1059 | case 32: //space
|
---|
1060 | renderMode = (renderMode + 1) % RenderTraverser::NUM_TRAVERSAL_TYPES;
|
---|
1061 | ResetTraverser();
|
---|
1062 | break;
|
---|
1063 | case 'h':
|
---|
1064 | case 'H':
|
---|
1065 | showHelp = !showHelp;
|
---|
1066 | break;
|
---|
1067 | case '+':
|
---|
1068 | if (maxBatchSize < 10)
|
---|
1069 | maxBatchSize = 10;
|
---|
1070 | else
|
---|
1071 | maxBatchSize += 10;
|
---|
1072 |
|
---|
1073 | traverser->SetMaxBatchSize(maxBatchSize);
|
---|
1074 | break;
|
---|
1075 | case '-':
|
---|
1076 | maxBatchSize -= 10;
|
---|
1077 | if (maxBatchSize < 0) maxBatchSize = 1;
|
---|
1078 | traverser->SetMaxBatchSize(maxBatchSize);
|
---|
1079 | break;
|
---|
1080 | case 'M':
|
---|
1081 | case 'm':
|
---|
1082 | useMultiQueries = !useMultiQueries;
|
---|
1083 | traverser->SetUseMultiQueries(useMultiQueries);
|
---|
1084 | break;
|
---|
1085 | case '1':
|
---|
1086 | descendKeyPressed = true;
|
---|
1087 | break;
|
---|
1088 | case '2':
|
---|
1089 | ascendKeyPressed = true;
|
---|
1090 | break;
|
---|
1091 | case '3':
|
---|
1092 | if (trianglesPerVirtualLeaf >= 100)
|
---|
1093 | trianglesPerVirtualLeaf -= 100;
|
---|
1094 | bvh->SetVirtualLeaves(trianglesPerVirtualLeaf);
|
---|
1095 | break;
|
---|
1096 | case '4':
|
---|
1097 | trianglesPerVirtualLeaf += 100;
|
---|
1098 | bvh->SetVirtualLeaves(trianglesPerVirtualLeaf);
|
---|
1099 | break;
|
---|
1100 | case '5':
|
---|
1101 | assumedVisibleFrames -= 1;
|
---|
1102 | if (assumedVisibleFrames < 1) assumedVisibleFrames = 1;
|
---|
1103 | traverser->SetAssumedVisibleFrames(assumedVisibleFrames);
|
---|
1104 | break;
|
---|
1105 | case '6':
|
---|
1106 | assumedVisibleFrames += 1;
|
---|
1107 | traverser->SetAssumedVisibleFrames(assumedVisibleFrames);
|
---|
1108 | break;
|
---|
1109 | case '7':
|
---|
1110 | ssaoExpFactor *= 0.5f;
|
---|
1111 | break;
|
---|
1112 | case '8':
|
---|
1113 | ssaoExpFactor *= 2.0f;
|
---|
1114 | if (ssaoExpFactor > 1.0f) ssaoExpFactor = 1.0f;
|
---|
1115 | break;
|
---|
1116 | case '9':
|
---|
1117 | useLODs = !useLODs;
|
---|
1118 | SceneEntity::SetUseLODs(useLODs);
|
---|
1119 | break;
|
---|
1120 | case 'P':
|
---|
1121 | case 'p':
|
---|
1122 | if (samplingMethod == SsaoShader::GAUSS)
|
---|
1123 | samplingMethod = SsaoShader::POISSON;
|
---|
1124 | else
|
---|
1125 | samplingMethod = SsaoShader::GAUSS;
|
---|
1126 |
|
---|
1127 | ssaoShader->SetSamplingMethod(samplingMethod);
|
---|
1128 |
|
---|
1129 | break;
|
---|
1130 | case 'g':
|
---|
1131 | case 'G':
|
---|
1132 | useGlobIllum = !useGlobIllum;
|
---|
1133 | ssaoShader->SetUseGlobIllum(useGlobIllum);
|
---|
1134 | break;
|
---|
1135 | case 't':
|
---|
1136 | case 'T':
|
---|
1137 | useTemporalCoherence = !useTemporalCoherence;
|
---|
1138 | ssaoShader->SetUseTemporalCoherence(useTemporalCoherence);
|
---|
1139 | break;
|
---|
1140 | case 'o':
|
---|
1141 | case 'O':
|
---|
1142 | useOptimization = !useOptimization;
|
---|
1143 | traverser->SetUseOptimization(useOptimization);
|
---|
1144 | break;
|
---|
1145 | case 'a':
|
---|
1146 | case 'A':
|
---|
1147 | leftKeyPressed = true;
|
---|
1148 | break;
|
---|
1149 | case 'd':
|
---|
1150 | case 'D':
|
---|
1151 | rightKeyPressed = true;
|
---|
1152 | break;
|
---|
1153 | case 'w':
|
---|
1154 | case 'W':
|
---|
1155 | upKeyPressed = true;
|
---|
1156 | break;
|
---|
1157 | case 's':
|
---|
1158 | case 'S':
|
---|
1159 | downKeyPressed = true;
|
---|
1160 | break;
|
---|
1161 | case 'r':
|
---|
1162 | case 'R':
|
---|
1163 | {
|
---|
1164 | useRenderQueue = !useRenderQueue;
|
---|
1165 | traverser->SetUseRenderQueue(useRenderQueue);
|
---|
1166 | }
|
---|
1167 | break;
|
---|
1168 | case 'b':
|
---|
1169 | case 'B':
|
---|
1170 | {
|
---|
1171 | useTightBounds = !useTightBounds;
|
---|
1172 | traverser->SetUseTightBounds(useTightBounds);
|
---|
1173 | }
|
---|
1174 | break;
|
---|
1175 | default:
|
---|
1176 | return;
|
---|
1177 | }
|
---|
1178 |
|
---|
1179 | glutPostRedisplay();
|
---|
1180 | }
|
---|
1181 |
|
---|
1182 |
|
---|
1183 | void SpecialKeyUp(int c, int x, int y)
|
---|
1184 | {
|
---|
1185 | switch (c)
|
---|
1186 | {
|
---|
1187 | case GLUT_KEY_LEFT:
|
---|
1188 | leftKeyPressed = false;
|
---|
1189 | break;
|
---|
1190 | case GLUT_KEY_RIGHT:
|
---|
1191 | rightKeyPressed = false;
|
---|
1192 | break;
|
---|
1193 | case GLUT_KEY_UP:
|
---|
1194 | upKeyPressed = false;
|
---|
1195 | break;
|
---|
1196 | case GLUT_KEY_DOWN:
|
---|
1197 | downKeyPressed = false;
|
---|
1198 | break;
|
---|
1199 | default:
|
---|
1200 | return;
|
---|
1201 | }
|
---|
1202 | //glutPostRedisplay();
|
---|
1203 | }
|
---|
1204 |
|
---|
1205 |
|
---|
1206 | void KeyUp(unsigned char c, int x, int y)
|
---|
1207 | {
|
---|
1208 | switch (c)
|
---|
1209 | {
|
---|
1210 |
|
---|
1211 | case 'A':
|
---|
1212 | case 'a':
|
---|
1213 | leftKeyPressed = false;
|
---|
1214 | break;
|
---|
1215 | case 'D':
|
---|
1216 | case 'd':
|
---|
1217 | rightKeyPressed = false;
|
---|
1218 | break;
|
---|
1219 | case 'W':
|
---|
1220 | case 'w':
|
---|
1221 | upKeyPressed = false;
|
---|
1222 | break;
|
---|
1223 | case 'S':
|
---|
1224 | case 's':
|
---|
1225 | downKeyPressed = false;
|
---|
1226 | break;
|
---|
1227 | case '1':
|
---|
1228 | descendKeyPressed = false;
|
---|
1229 | break;
|
---|
1230 | case '2':
|
---|
1231 | ascendKeyPressed = false;
|
---|
1232 | break;
|
---|
1233 |
|
---|
1234 | default:
|
---|
1235 | return;
|
---|
1236 | }
|
---|
1237 | //glutPostRedisplay();
|
---|
1238 | }
|
---|
1239 |
|
---|
1240 |
|
---|
1241 | void Special(int c, int x, int y)
|
---|
1242 | {
|
---|
1243 | switch(c)
|
---|
1244 | {
|
---|
1245 | case GLUT_KEY_F1:
|
---|
1246 | showHelp = !showHelp;
|
---|
1247 | break;
|
---|
1248 | case GLUT_KEY_F2:
|
---|
1249 | visMode = !visMode;
|
---|
1250 | break;
|
---|
1251 | case GLUT_KEY_F3:
|
---|
1252 | showBoundingVolumes = !showBoundingVolumes;
|
---|
1253 | traverser->SetShowBounds(showBoundingVolumes);
|
---|
1254 | break;
|
---|
1255 | case GLUT_KEY_F4:
|
---|
1256 | showOptions = !showOptions;
|
---|
1257 | break;
|
---|
1258 | case GLUT_KEY_F5:
|
---|
1259 | showStatistics = !showStatistics;
|
---|
1260 | break;
|
---|
1261 | case GLUT_KEY_F6:
|
---|
1262 | flyMode = !flyMode;
|
---|
1263 | break;
|
---|
1264 | case GLUT_KEY_F7:
|
---|
1265 |
|
---|
1266 | renderType = (renderType + 1) % 3;
|
---|
1267 | traverser->SetUseDepthPass(renderType == RenderState::DEPTH_PASS);
|
---|
1268 |
|
---|
1269 | break;
|
---|
1270 | case GLUT_KEY_F8:
|
---|
1271 | useSsao = !useSsao;
|
---|
1272 | break;
|
---|
1273 | case GLUT_KEY_F9:
|
---|
1274 | showAlgorithmTime = !showAlgorithmTime;
|
---|
1275 | break;
|
---|
1276 |
|
---|
1277 | case GLUT_KEY_LEFT:
|
---|
1278 | {
|
---|
1279 | leftKeyPressed = true;
|
---|
1280 | camera->Pitch(KeyRotationAngle());
|
---|
1281 | }
|
---|
1282 | break;
|
---|
1283 | case GLUT_KEY_RIGHT:
|
---|
1284 | {
|
---|
1285 | rightKeyPressed = true;
|
---|
1286 | camera->Pitch(-KeyRotationAngle());
|
---|
1287 | }
|
---|
1288 | break;
|
---|
1289 | case GLUT_KEY_UP:
|
---|
1290 | {
|
---|
1291 | upKeyPressed = true;
|
---|
1292 | KeyHorizontalMotion(KeyShift());
|
---|
1293 | }
|
---|
1294 | break;
|
---|
1295 | case GLUT_KEY_DOWN:
|
---|
1296 | {
|
---|
1297 | downKeyPressed = true;
|
---|
1298 | KeyHorizontalMotion(-KeyShift());
|
---|
1299 | }
|
---|
1300 | break;
|
---|
1301 | default:
|
---|
1302 | return;
|
---|
1303 |
|
---|
1304 | }
|
---|
1305 |
|
---|
1306 | glutPostRedisplay();
|
---|
1307 | }
|
---|
1308 |
|
---|
1309 | #pragma warning( default : 4100 )
|
---|
1310 |
|
---|
1311 |
|
---|
1312 | void Reshape(int w, int h)
|
---|
1313 | {
|
---|
1314 | winAspectRatio = 1.0f;
|
---|
1315 |
|
---|
1316 | glViewport(0, 0, w, h);
|
---|
1317 |
|
---|
1318 | winWidth = w;
|
---|
1319 | winHeight = h;
|
---|
1320 |
|
---|
1321 | if (w) winAspectRatio = (float) w / (float) h;
|
---|
1322 |
|
---|
1323 | glMatrixMode(GL_PROJECTION);
|
---|
1324 | glLoadIdentity();
|
---|
1325 |
|
---|
1326 | gluPerspective(fov, winAspectRatio, nearDist, myfar);
|
---|
1327 |
|
---|
1328 | glMatrixMode(GL_MODELVIEW);
|
---|
1329 |
|
---|
1330 | glutPostRedisplay();
|
---|
1331 | }
|
---|
1332 |
|
---|
1333 |
|
---|
1334 | void Mouse(int button, int state, int x, int y)
|
---|
1335 | {
|
---|
1336 | if ((button == GLUT_LEFT_BUTTON) && (state == GLUT_DOWN))
|
---|
1337 | {
|
---|
1338 | xEyeBegin = x;
|
---|
1339 | yMotionBegin = y;
|
---|
1340 |
|
---|
1341 | glutMotionFunc(LeftMotion);
|
---|
1342 | }
|
---|
1343 | else if ((button == GLUT_RIGHT_BUTTON) && (state == GLUT_DOWN))
|
---|
1344 | {
|
---|
1345 | xEyeBegin = x;
|
---|
1346 | yEyeBegin = y;
|
---|
1347 | yMotionBegin = y;
|
---|
1348 |
|
---|
1349 | glutMotionFunc(RightMotion);
|
---|
1350 | }
|
---|
1351 | else if ((button == GLUT_MIDDLE_BUTTON) && (state == GLUT_DOWN))
|
---|
1352 | {
|
---|
1353 | horizontalMotionBegin = x;
|
---|
1354 | verticalMotionBegin = y;
|
---|
1355 | glutMotionFunc(MiddleMotion);
|
---|
1356 | }
|
---|
1357 |
|
---|
1358 | glutPostRedisplay();
|
---|
1359 | }
|
---|
1360 |
|
---|
1361 |
|
---|
1362 | /** rotation for left/right mouse drag
|
---|
1363 | motion for up/down mouse drag
|
---|
1364 | */
|
---|
1365 | void LeftMotion(int x, int y)
|
---|
1366 | {
|
---|
1367 | Vector3 viewDir = camera->GetDirection();
|
---|
1368 | Vector3 pos = camera->GetPosition();
|
---|
1369 |
|
---|
1370 | // don't move in the vertical direction
|
---|
1371 | Vector3 horView(viewDir[0], viewDir[1], 0);
|
---|
1372 |
|
---|
1373 | float eyeXAngle = 0.2f * M_PI * (xEyeBegin - x) / 180.0;
|
---|
1374 |
|
---|
1375 | camera->Pitch(eyeXAngle);
|
---|
1376 |
|
---|
1377 | pos -= horView * (yMotionBegin - y) * 0.2f;
|
---|
1378 |
|
---|
1379 | camera->SetPosition(pos);
|
---|
1380 |
|
---|
1381 | xEyeBegin = x;
|
---|
1382 | yMotionBegin = y;
|
---|
1383 |
|
---|
1384 | glutPostRedisplay();
|
---|
1385 | }
|
---|
1386 |
|
---|
1387 |
|
---|
1388 | /** rotation for left / right mouse drag
|
---|
1389 | motion for up / down mouse drag
|
---|
1390 | */
|
---|
1391 | void RightMotion(int x, int y)
|
---|
1392 | {
|
---|
1393 | float eyeXAngle = 0.2f * M_PI * (xEyeBegin - x) / 180.0;
|
---|
1394 | float eyeYAngle = -0.2f * M_PI * (yEyeBegin - y) / 180.0;
|
---|
1395 |
|
---|
1396 | camera->Yaw(eyeYAngle);
|
---|
1397 | camera->Pitch(eyeXAngle);
|
---|
1398 |
|
---|
1399 | xEyeBegin = x;
|
---|
1400 | yEyeBegin = y;
|
---|
1401 |
|
---|
1402 | glutPostRedisplay();
|
---|
1403 | }
|
---|
1404 |
|
---|
1405 |
|
---|
1406 | // strafe
|
---|
1407 | void MiddleMotion(int x, int y)
|
---|
1408 | {
|
---|
1409 | Vector3 viewDir = camera->GetDirection();
|
---|
1410 | Vector3 pos = camera->GetPosition();
|
---|
1411 |
|
---|
1412 | // the 90 degree rotated view vector
|
---|
1413 | // y zero so we don't move in the vertical
|
---|
1414 | Vector3 rVec(viewDir[0], viewDir[1], 0);
|
---|
1415 |
|
---|
1416 | Matrix4x4 rot = RotationZMatrix(M_PI * 0.5f);
|
---|
1417 | rVec = rot * rVec;
|
---|
1418 |
|
---|
1419 | pos += rVec * (x - horizontalMotionBegin) * 0.1f;
|
---|
1420 | pos[2] += (verticalMotionBegin - y) * 0.1f;
|
---|
1421 |
|
---|
1422 | camera->SetPosition(pos);
|
---|
1423 |
|
---|
1424 | horizontalMotionBegin = x;
|
---|
1425 | verticalMotionBegin = y;
|
---|
1426 |
|
---|
1427 | glutPostRedisplay();
|
---|
1428 | }
|
---|
1429 |
|
---|
1430 |
|
---|
1431 | void InitExtensions(void)
|
---|
1432 | {
|
---|
1433 | GLenum err = glewInit();
|
---|
1434 |
|
---|
1435 | if (GLEW_OK != err)
|
---|
1436 | {
|
---|
1437 | // problem: glewInit failed, something is seriously wrong
|
---|
1438 | fprintf(stderr,"Error: %s\n", glewGetErrorString(err));
|
---|
1439 | exit(1);
|
---|
1440 | }
|
---|
1441 | if (!GLEW_ARB_occlusion_query)
|
---|
1442 | {
|
---|
1443 | printf("I require the GL_ARB_occlusion_query to work.\n");
|
---|
1444 | exit(1);
|
---|
1445 | }
|
---|
1446 | }
|
---|
1447 |
|
---|
1448 |
|
---|
1449 | void Begin2D()
|
---|
1450 | {
|
---|
1451 | glDisable(GL_LIGHTING);
|
---|
1452 | glDisable(GL_DEPTH_TEST);
|
---|
1453 |
|
---|
1454 | glMatrixMode(GL_PROJECTION);
|
---|
1455 | glPushMatrix();
|
---|
1456 | glLoadIdentity();
|
---|
1457 |
|
---|
1458 | gluOrtho2D(0, winWidth, 0, winHeight);
|
---|
1459 |
|
---|
1460 | glMatrixMode(GL_MODELVIEW);
|
---|
1461 | glPushMatrix();
|
---|
1462 | glLoadIdentity();
|
---|
1463 | }
|
---|
1464 |
|
---|
1465 |
|
---|
1466 | void End2D()
|
---|
1467 | {
|
---|
1468 | glMatrixMode(GL_PROJECTION);
|
---|
1469 | glPopMatrix();
|
---|
1470 |
|
---|
1471 | glMatrixMode(GL_MODELVIEW);
|
---|
1472 | glPopMatrix();
|
---|
1473 |
|
---|
1474 | glEnable(GL_LIGHTING);
|
---|
1475 | glEnable(GL_DEPTH_TEST);
|
---|
1476 | }
|
---|
1477 |
|
---|
1478 |
|
---|
1479 | // displays the visualisation of culling algorithm
|
---|
1480 | void DisplayVisualization()
|
---|
1481 | {
|
---|
1482 | visualization->SetFrameId(traverser->GetCurrentFrameId());
|
---|
1483 |
|
---|
1484 | Begin2D();
|
---|
1485 | glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
---|
1486 | glEnable(GL_BLEND);
|
---|
1487 | glColor4f(0.0f ,0.0f, 0.0f, 0.5f);
|
---|
1488 |
|
---|
1489 | glRecti(winWidth - winWidth / 3, winHeight - winHeight / 3, winWidth, winHeight);
|
---|
1490 | glDisable(GL_BLEND);
|
---|
1491 | End2D();
|
---|
1492 |
|
---|
1493 |
|
---|
1494 | AxisAlignedBox3 box = bvh->GetBox();
|
---|
1495 |
|
---|
1496 | // hack: set far plane for viz
|
---|
1497 | camera->SetFar(0.35f * Magnitude(box.Diagonal()));
|
---|
1498 |
|
---|
1499 | const float offs = box.Size().x * 0.3f;
|
---|
1500 |
|
---|
1501 | //Vector3 vizpos = Vector3(box.Min().x, box.Min().y + box.Size().y * 0.5f, box.Min().z + box.Size().z * 50);
|
---|
1502 | Vector3 vizpos = Vector3(box.Min().x, box.Min().y - box.Size().y * 0.35f, box.Min().z + box.Size().z * 50);
|
---|
1503 |
|
---|
1504 | visCamera->SetPosition(vizpos);
|
---|
1505 | visCamera->ResetPitchAndYaw();
|
---|
1506 | //visCamera->Pitch(M_PI);
|
---|
1507 |
|
---|
1508 | glPushAttrib(GL_VIEWPORT_BIT);
|
---|
1509 | glViewport(winWidth - winWidth / 3, winHeight - winHeight / 3, winWidth / 3, winHeight / 3);
|
---|
1510 |
|
---|
1511 | glMatrixMode(GL_PROJECTION);
|
---|
1512 | glPushMatrix();
|
---|
1513 |
|
---|
1514 | glLoadIdentity();
|
---|
1515 |
|
---|
1516 | glOrtho(-offs, offs, -offs, offs, 0.0f, box.Size().z * 100.0f);
|
---|
1517 |
|
---|
1518 | glMatrixMode(GL_MODELVIEW);
|
---|
1519 | glPushMatrix();
|
---|
1520 |
|
---|
1521 | visCamera->SetupCameraView();
|
---|
1522 |
|
---|
1523 | //Matrix4x4 rotX = RotationXMatrix(camera->GetYaw());
|
---|
1524 | //glMultMatrixf((float *)rotX.x);
|
---|
1525 | Matrix4x4 rotZ = RotationZMatrix(-camera->GetPitch());
|
---|
1526 | glMultMatrixf((float *)rotZ.x);
|
---|
1527 |
|
---|
1528 | // inverse translation in order to fix current position
|
---|
1529 | Vector3 pos = camera->GetPosition();
|
---|
1530 | glTranslatef(-pos.x, -pos.y, -pos.z);
|
---|
1531 |
|
---|
1532 |
|
---|
1533 | GLfloat position[] = {0.8f, 1.0f, 1.5f, 0.0f};
|
---|
1534 | glLightfv(GL_LIGHT0, GL_POSITION, position);
|
---|
1535 |
|
---|
1536 | GLfloat position1[] = {bvh->GetBox().Center().x, bvh->GetBox().Max().y, bvh->GetBox().Center().z, 1.0f};
|
---|
1537 | glLightfv(GL_LIGHT1, GL_POSITION, position1);
|
---|
1538 |
|
---|
1539 | glClear(GL_DEPTH_BUFFER_BIT);
|
---|
1540 |
|
---|
1541 | ////////////
|
---|
1542 | //-- visualization of the occlusion culling
|
---|
1543 |
|
---|
1544 | visualization->Render();
|
---|
1545 |
|
---|
1546 | glColor3f(0.0f, 1.0f, 0.0f);
|
---|
1547 | glBegin(GL_LINES);
|
---|
1548 | glVertex3d(pos.x, pos.y, pos.z);
|
---|
1549 | glVertex3d(pos.x + 100, pos.y, pos.z);
|
---|
1550 | glEnd();
|
---|
1551 |
|
---|
1552 | glColor3f(0.0f, 0.0f, 1.0f);
|
---|
1553 | glBegin(GL_LINES);
|
---|
1554 | glVertex3d(pos.x, pos.y, pos.z);
|
---|
1555 | glVertex3d(pos.x, pos.y + 100, pos.z);
|
---|
1556 | glEnd();
|
---|
1557 |
|
---|
1558 | // reset previous settings
|
---|
1559 | glPopAttrib();
|
---|
1560 |
|
---|
1561 | glMatrixMode(GL_PROJECTION);
|
---|
1562 | glPopMatrix();
|
---|
1563 | glMatrixMode(GL_MODELVIEW);
|
---|
1564 | glPopMatrix();
|
---|
1565 | }
|
---|
1566 |
|
---|
1567 |
|
---|
1568 | // cleanup routine after the main loop
|
---|
1569 | void CleanUp()
|
---|
1570 | {
|
---|
1571 | DEL_PTR(traverser);
|
---|
1572 | DEL_PTR(sceneQuery);
|
---|
1573 | DEL_PTR(bvh);
|
---|
1574 | DEL_PTR(visualization);
|
---|
1575 | DEL_PTR(camera);
|
---|
1576 | DEL_PTR(loader);
|
---|
1577 | DEL_PTR(renderQueue);
|
---|
1578 | DEL_PTR(perfGraph);
|
---|
1579 |
|
---|
1580 | DEL_PTR(fbo);
|
---|
1581 | DEL_PTR(ssaoShader);
|
---|
1582 | DEL_PTR(deferredShader);
|
---|
1583 |
|
---|
1584 | if (sCgMrtVertexProgram)
|
---|
1585 | cgDestroyProgram(sCgMrtVertexProgram);
|
---|
1586 | if (RenderState::sCgMrtFragmentProgram)
|
---|
1587 | cgDestroyProgram(RenderState::sCgMrtFragmentProgram);
|
---|
1588 | if (RenderState::sCgMrtFragmentTexProgram)
|
---|
1589 | cgDestroyProgram(RenderState::sCgMrtFragmentTexProgram);
|
---|
1590 |
|
---|
1591 | if (sCgContext)
|
---|
1592 | cgDestroyContext(sCgContext);
|
---|
1593 | }
|
---|
1594 |
|
---|
1595 |
|
---|
1596 | // this function inserts a dezimal point after each 1000
|
---|
1597 | void CalcDecimalPoint(string &str, int d, int len)
|
---|
1598 | {
|
---|
1599 | static vector<int> numbers;
|
---|
1600 | numbers.clear();
|
---|
1601 |
|
---|
1602 | static string shortStr;
|
---|
1603 | shortStr.clear();
|
---|
1604 |
|
---|
1605 | static char hstr[100];
|
---|
1606 |
|
---|
1607 | while (d != 0)
|
---|
1608 | {
|
---|
1609 | numbers.push_back(d % 1000);
|
---|
1610 | d /= 1000;
|
---|
1611 | }
|
---|
1612 |
|
---|
1613 | // first element without leading zeros
|
---|
1614 | if (numbers.size() > 0)
|
---|
1615 | {
|
---|
1616 | sprintf(hstr, "%d", numbers.back());
|
---|
1617 | shortStr.append(hstr);
|
---|
1618 | }
|
---|
1619 |
|
---|
1620 | for (int i = (int)numbers.size() - 2; i >= 0; i--)
|
---|
1621 | {
|
---|
1622 | sprintf(hstr, ",%03d", numbers[i]);
|
---|
1623 | shortStr.append(hstr);
|
---|
1624 | }
|
---|
1625 |
|
---|
1626 | int dif = len - (int)shortStr.size();
|
---|
1627 |
|
---|
1628 | for (int i = 0; i < dif; ++ i)
|
---|
1629 | {
|
---|
1630 | str += " ";
|
---|
1631 | }
|
---|
1632 |
|
---|
1633 | str.append(shortStr);
|
---|
1634 | }
|
---|
1635 |
|
---|
1636 |
|
---|
1637 | void DisplayStats()
|
---|
1638 | {
|
---|
1639 | static char msg[9][300];
|
---|
1640 |
|
---|
1641 | static double frameTime = elapsedTime;
|
---|
1642 | static double renderTime = algTime;
|
---|
1643 |
|
---|
1644 | const float expFactor = 0.1f;
|
---|
1645 |
|
---|
1646 | // if some strange render time spike happened in this frame => don't count
|
---|
1647 | if (elapsedTime < 500) frameTime = elapsedTime * expFactor + (1.0f - expFactor) * elapsedTime;
|
---|
1648 |
|
---|
1649 | static float rTime = 1000.0f;
|
---|
1650 |
|
---|
1651 | if (showAlgorithmTime)
|
---|
1652 | {
|
---|
1653 | if (algTime < 500) renderTime = algTime * expFactor + (1.0f - expFactor) * renderTime;
|
---|
1654 | }
|
---|
1655 |
|
---|
1656 | accumulatedTime += elapsedTime;
|
---|
1657 |
|
---|
1658 | if (accumulatedTime > 500) // update every fraction of a second
|
---|
1659 | {
|
---|
1660 | accumulatedTime = 0;
|
---|
1661 |
|
---|
1662 | if (frameTime) fps = 1e3f / (float)frameTime;
|
---|
1663 |
|
---|
1664 | rTime = renderTime;
|
---|
1665 | renderedObjects = traverser->GetStats().mNumRenderedGeometry;
|
---|
1666 | renderedNodes = traverser->GetStats().mNumRenderedNodes;
|
---|
1667 | renderedTriangles = traverser->GetStats().mNumRenderedTriangles;
|
---|
1668 |
|
---|
1669 | traversedNodes = traverser->GetStats().mNumTraversedNodes;
|
---|
1670 | frustumCulledNodes = traverser->GetStats().mNumFrustumCulledNodes;
|
---|
1671 | queryCulledNodes = traverser->GetStats().mNumQueryCulledNodes;
|
---|
1672 | issuedQueries = traverser->GetStats().mNumIssuedQueries;
|
---|
1673 | stateChanges = traverser->GetStats().mNumStateChanges;
|
---|
1674 | numBatches = traverser->GetStats().mNumBatches;
|
---|
1675 | }
|
---|
1676 |
|
---|
1677 |
|
---|
1678 | Begin2D();
|
---|
1679 |
|
---|
1680 | glEnable(GL_BLEND);
|
---|
1681 | glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
---|
1682 |
|
---|
1683 | if (showHelp)
|
---|
1684 | {
|
---|
1685 | DrawHelpMessage();
|
---|
1686 | }
|
---|
1687 | else
|
---|
1688 | {
|
---|
1689 | if (showOptions)
|
---|
1690 | {
|
---|
1691 | glColor4f(0.0f, 0.0f, 0.0f, 0.5f);
|
---|
1692 | glRecti(5, winHeight - 95, winWidth * 2 / 3 - 5, winHeight - 5);
|
---|
1693 | }
|
---|
1694 |
|
---|
1695 | if (showStatistics)
|
---|
1696 | {
|
---|
1697 | glColor4f(0.0f, 0.0f, 0.0f, 0.5f);
|
---|
1698 | glRecti(5, winHeight - 165, winWidth * 2 / 3 - 5, winHeight - 100);
|
---|
1699 | }
|
---|
1700 |
|
---|
1701 | glEnable(GL_TEXTURE_2D);
|
---|
1702 |
|
---|
1703 | myfont.Begin();
|
---|
1704 |
|
---|
1705 | if (showOptions)
|
---|
1706 | {
|
---|
1707 | glColor3f(0.0f, 1.0f, 0.0f);
|
---|
1708 |
|
---|
1709 | int i = 0;
|
---|
1710 |
|
---|
1711 | static char *renderTypeStr[] = {"fixed function", "fixed function + depth pass", "deferred shading"};
|
---|
1712 |
|
---|
1713 | sprintf(msg[i ++], "multiqueries: %d, tight bounds: %d, render queue: %d",
|
---|
1714 | useMultiQueries, useTightBounds, useRenderQueue);
|
---|
1715 |
|
---|
1716 | sprintf(msg[i ++], "render technique: %s, SSAO: %d", renderTypeStr[renderType], useSsao);
|
---|
1717 |
|
---|
1718 | sprintf(msg[i ++], "triangles per virtual leaf: %5d", trianglesPerVirtualLeaf);
|
---|
1719 |
|
---|
1720 | sprintf(msg[i ++], "assumed visible frames: %4d, max batch size: %4d",
|
---|
1721 | assumedVisibleFrames, maxBatchSize);
|
---|
1722 |
|
---|
1723 | for (int j = 0; j < 4; ++ j)
|
---|
1724 | myfont.DrawString(msg[j], 10.0f, winHeight - 5 - j * 20);
|
---|
1725 | }
|
---|
1726 |
|
---|
1727 | if (showStatistics)
|
---|
1728 | {
|
---|
1729 | glColor3f(1.0f, 1.0f, 0.0f);
|
---|
1730 |
|
---|
1731 | string str;
|
---|
1732 | string str2;
|
---|
1733 |
|
---|
1734 | int len = 10;
|
---|
1735 | CalcDecimalPoint(str, renderedTriangles, len);
|
---|
1736 | CalcDecimalPoint(str2, bvh->GetBvhStats().mTriangles, len);
|
---|
1737 |
|
---|
1738 | int i = 4;
|
---|
1739 |
|
---|
1740 | sprintf(msg[i ++], "rendered: %6d of %6d nodes, %s of %s triangles",
|
---|
1741 | renderedNodes, bvh->GetNumVirtualNodes(), str.c_str(), str2.c_str());
|
---|
1742 |
|
---|
1743 | sprintf(msg[i ++], "traversed: %5d, frustum culled: %5d, query culled: %5d",
|
---|
1744 | traversedNodes, frustumCulledNodes, queryCulledNodes);
|
---|
1745 |
|
---|
1746 | sprintf(msg[i ++], "issued queries: %5d, state changes: %5d, render batches: %5d",
|
---|
1747 | issuedQueries, stateChanges, numBatches);
|
---|
1748 |
|
---|
1749 | for (int j = 4; j < 7; ++ j)
|
---|
1750 | myfont.DrawString(msg[j], 10.0f, winHeight - (j + 1) * 20);
|
---|
1751 | }
|
---|
1752 |
|
---|
1753 | glColor3f(1.0f, 1.0f, 1.0f);
|
---|
1754 | static char *alg_str[] = {"Frustum Cull", "Stop and Wait", "CHC", "CHC ++"};
|
---|
1755 |
|
---|
1756 | if (!showAlgorithmTime)
|
---|
1757 | {
|
---|
1758 | sprintf(msg[7], "%s: %6.1f fps", alg_str[renderMode], fps);
|
---|
1759 | }
|
---|
1760 | else
|
---|
1761 | {
|
---|
1762 | sprintf(msg[7], "%s: %6.1f ms", alg_str[renderMode], rTime);
|
---|
1763 | }
|
---|
1764 |
|
---|
1765 | myfont.DrawString(msg[7], 1.3f, 690.0f, 760.0f);//, top_color, bottom_color);
|
---|
1766 |
|
---|
1767 | //sprintf(msg[8], "algorithm time: %6.1f ms", rTime);
|
---|
1768 | //myfont.DrawString(msg[8], 720.0f, 730.0f);
|
---|
1769 | }
|
---|
1770 |
|
---|
1771 | glDisable(GL_BLEND);
|
---|
1772 | glDisable(GL_TEXTURE_2D);
|
---|
1773 |
|
---|
1774 | End2D();
|
---|
1775 | }
|
---|
1776 |
|
---|
1777 |
|
---|
1778 | void RenderSky()
|
---|
1779 | {
|
---|
1780 | SceneEntityContainer::const_iterator sit, sit_end = skyGeometry.end();
|
---|
1781 |
|
---|
1782 | for (sit = skyGeometry.begin(); sit != sit_end; ++ sit)
|
---|
1783 | (*sit)->Render(&state);
|
---|
1784 | }
|
---|
1785 |
|
---|
1786 |
|
---|
1787 | void RenderVisibleObjects()
|
---|
1788 | {
|
---|
1789 | state.SetRenderType(RenderState::FIXED);
|
---|
1790 | state.Reset();
|
---|
1791 |
|
---|
1792 | glEnable(GL_LIGHTING);
|
---|
1793 | glDepthFunc(GL_LEQUAL);
|
---|
1794 |
|
---|
1795 | //cout << "visible: " << (int)traverser->GetVisibleObjects().size() << endl;
|
---|
1796 |
|
---|
1797 | SceneEntityContainer::const_iterator sit,
|
---|
1798 | sit_end = traverser->GetVisibleObjects().end();
|
---|
1799 |
|
---|
1800 | for (sit = traverser->GetVisibleObjects().begin(); sit != sit_end; ++ sit)
|
---|
1801 | renderQueue->Enqueue(*sit);
|
---|
1802 |
|
---|
1803 | renderQueue->Apply();
|
---|
1804 |
|
---|
1805 | glDepthFunc(GL_LESS);
|
---|
1806 | }
|
---|
1807 |
|
---|
1808 |
|
---|
1809 | void PlaceViewer(const Vector3 &oldPos)
|
---|
1810 | {
|
---|
1811 | Vector3 playerPos = camera->GetPosition();
|
---|
1812 |
|
---|
1813 | bool validIntersect = sceneQuery->CalcIntersection(playerPos);
|
---|
1814 |
|
---|
1815 | if (validIntersect)
|
---|
1816 | // && ((playerPos.z - oldPos.z) < bvh->GetBox().Size(2) * 1e-1f))
|
---|
1817 | {
|
---|
1818 | camera->SetPosition(playerPos);
|
---|
1819 | }
|
---|
1820 | }
|
---|