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 |
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97 | //static int winWidth = 512;
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98 | //static int winHeight = 512;
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99 |
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100 |
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101 | static float winAspectRatio = 1.0f;
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102 |
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103 | double accumulatedTime = 1000;
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104 | float fps = 1e3f;
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105 |
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106 | float myfar = 0;
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107 |
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108 | glfont::GLFont myfont;
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109 |
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110 | // rendertexture
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111 | static int texWidth = 1024;
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112 | static int texHeight = 768;
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113 |
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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 | static Matrix4x4 matViewing = IdentityMatrix();
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178 |
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179 | ShadowMapping *shadowMapping = NULL;
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180 | Light *light = NULL;
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181 |
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182 | // function forward declarations
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183 | void InitExtensions();
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184 | void DisplayVisualization();
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185 | void InitGLstate();
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186 | void InitRenderTexture();
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187 | void InitCg();
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188 | void CleanUp();
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189 | void SetupEyeView();
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190 | void UpdateEyeMtx();
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191 | void SetupLighting();
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192 | void DisplayStats();
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193 | void Output(int x, int y, const char *string);
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194 | void DrawHelpMessage();
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195 | void RenderSky();
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196 | void RenderVisibleObjects();
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197 |
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198 | void Begin2D();
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199 | void End2D();
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200 | void KeyBoard(unsigned char c, int x, int y);
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201 | void DrawStatistics();
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202 | void Display();
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203 | void Special(int c, int x, int y);
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204 | void KeyUp(unsigned char c, int x, int y);
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205 | void SpecialKeyUp(int c, int x, int y);
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206 | void Reshape(int w, int h);
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207 | void Mouse(int button, int state, int x, int y);
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208 | void LeftMotion(int x, int y);
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209 | void RightMotion(int x, int y);
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210 | void MiddleMotion(int x, int y);
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211 | void CalcDecimalPoint(string &str, int d);
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212 | void ResetTraverser();
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213 |
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214 | void KeyHorizontalMotion(float shift);
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215 | void KeyVerticalMotion(float shift);
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216 |
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217 | void PlaceViewer(const Vector3 &oldPos);
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218 |
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219 |
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220 |
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221 | inline float KeyRotationAngle() { return keyRotation * elapsedTime * 1e-3f; }
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222 | inline float KeyShift() { return keyForwardMotion * elapsedTime * 1e-3f; }
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223 |
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224 | void InitFBO();
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225 |
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226 | SsaoShader *ssaoShader = NULL;
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227 | DeferredShader *deferredShader = NULL;
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228 |
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229 | static GLenum mrt[] = {GL_COLOR_ATTACHMENT0_EXT, GL_COLOR_ATTACHMENT1_EXT, GL_COLOR_ATTACHMENT2_EXT};
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230 |
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231 |
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232 | /////////
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233 | //-- cg stuff
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234 |
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235 | static CGcontext sCgContext = NULL;
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236 | static CGprogram sCgMrtVertexProgram = NULL;
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237 |
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238 | static CGparameter sModelViewProjMatrixParam;
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239 | static CGparameter sMaxDepthParam;
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240 | static CGparameter sMaxDepthParamTex;
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241 |
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242 | static Matrix4x4 oldViewProjMatrix;
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243 |
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244 |
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245 | static void cgErrorCallback()
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246 | {
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247 | CGerror lastError = cgGetError();
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248 |
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249 | if(lastError)
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250 | {
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251 | printf("%s\n\n", cgGetErrorString(lastError));
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252 | printf("%s\n", cgGetLastListing(sCgContext));
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253 |
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254 | printf("Cg error, exiting...\n");
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255 |
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256 | exit(0);
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257 | }
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258 | }
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259 |
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260 |
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261 | static void PrintGLerror(char *msg)
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262 | {
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263 | GLenum errCode;
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264 | const GLubyte *errStr;
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265 |
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266 | if ((errCode = glGetError()) != GL_NO_ERROR)
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267 | {
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268 | errStr = gluErrorString(errCode);
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269 | fprintf(stderr,"OpenGL ERROR: %s: %s\n", errStr, msg);
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270 | }
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271 | }
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272 |
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273 |
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274 | int main(int argc, char* argv[])
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275 | {
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276 | int returnCode = 0;
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277 |
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278 | Vector3 camPos(.0f, .0f, .0f);
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279 | Vector3 camDir(.0f, 1.0f, .0f);
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280 |
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281 | cout << "=== reading environment file ===" << endl << endl;
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282 |
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283 | string envFileName = "default.env";
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284 | if (!env.Read(envFileName))
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285 | {
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286 | cerr << "loading environment " << envFileName << " failed!" << endl;
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287 | }
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288 | else
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289 | {
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290 | env.GetIntParam(string("assumedVisibleFrames"), assumedVisibleFrames);
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291 | env.GetIntParam(string("maxBatchSize"), maxBatchSize);
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292 | env.GetIntParam(string("trianglesPerVirtualLeaf"), trianglesPerVirtualLeaf);
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293 |
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294 | env.GetFloatParam(string("keyForwardMotion"), keyForwardMotion);
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295 | env.GetFloatParam(string("keyRotation"), keyRotation);
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296 |
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297 | env.GetIntParam(string("winWidth"), winWidth);
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298 | env.GetIntParam(string("winHeight"), winHeight);
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299 |
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300 | env.GetBoolParam(string("useFullScreen"), useFullScreen);
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301 | env.GetFloatParam(string("expFactor"), ssaoExpFactor);
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302 | env.GetVectorParam(string("camPosition"), camPos);
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303 | env.GetVectorParam(string("camDirection"), camDir);
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304 |
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305 | env.GetBoolParam(string("useLODs"), useLODs);
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306 |
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307 | //env.GetStringParam(string("modelPath"), model_path);
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308 | //env.GetIntParam(string("numSssaoSamples"), numSsaoSamples);
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309 |
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310 |
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311 | cout << "assumedVisibleFrames: " << assumedVisibleFrames << endl;
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312 | cout << "maxBatchSize: " << maxBatchSize << endl;
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313 | cout << "trianglesPerVirtualLeaf: " << trianglesPerVirtualLeaf << endl;
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314 |
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315 | cout << "keyForwardMotion: " << keyForwardMotion << endl;
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316 | cout << "keyRotation: " << keyRotation << endl;
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317 | cout << "winWidth: " << winWidth << endl;
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318 | cout << "winHeight: " << winHeight << endl;
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319 | cout << "useFullScreen: " << useFullScreen << endl;
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320 | cout << "useLODs: " << useLODs << endl;
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321 | cout << "camPosition: " << camPos << endl;
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322 | cout << "expFactor: " << ssaoExpFactor << endl;
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323 |
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324 | //cout << "model path: " << model_path << endl;
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325 |
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326 | cout << "**** end parameters ****" << endl << endl;
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327 | }
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328 |
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329 | ///////////////////////////
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330 |
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331 | camera = new Camera(winWidth, winHeight, fov);
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332 | camera->SetNear(nearDist);
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333 | camera->SetFar(1000);
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334 |
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335 | camera->SetDirection(camDir);
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336 |
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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 |
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438 | // initialize the render traverser
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439 | ResetTraverser();
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440 |
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441 | visualization = new Visualization(bvh, camera, NULL, &state);
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442 |
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443 | sceneQuery = new SceneQuery(bvh->GetBox(), traverser);
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444 |
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445 | Vector3 lightDir = Normalize(Vector3(0, 1, -1));
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446 | light = new Light(lightDir, RgbaColor(1, 1, 1, 1));
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447 |
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448 | shadowMapping = new ShadowMapping(bvh->GetBox(), 4096);
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449 |
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450 | // frame time is restarted every frame
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451 | frameTimer.Start();
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452 |
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453 | // the rendering loop
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454 | glutMainLoop();
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455 |
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456 | // clean up
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457 | CleanUp();
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458 |
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459 | return 0;
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460 | }
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461 |
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462 |
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463 | void InitCg(void)
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464 | {
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465 | // Setup Cg
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466 | cgSetErrorCallback(cgErrorCallback);
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467 |
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468 | // Create cgContext.
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469 | sCgContext = cgCreateContext();
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470 |
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471 | // get the best profile for this hardware
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472 | RenderState::sCgFragmentProfile = cgGLGetLatestProfile(CG_GL_FRAGMENT);
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473 | cgGLSetOptimalOptions(RenderState::sCgFragmentProfile);
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474 |
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475 | RenderState::sCgVertexProfile = cgGLGetLatestProfile(CG_GL_VERTEX);
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476 | cgGLSetOptimalOptions(RenderState::sCgVertexProfile);
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477 |
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478 | sCgMrtVertexProgram =
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479 | cgCreateProgramFromFile(sCgContext,
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480 | CG_SOURCE,
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481 | "src/shaders/mrt.cg",
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482 | RenderState::sCgVertexProfile,
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483 | "vtx",
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484 | NULL);
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485 |
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486 | if (sCgMrtVertexProgram != NULL)
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487 | {
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488 | cgGLLoadProgram(sCgMrtVertexProgram);
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489 |
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490 | Transform3::sModelMatrixParam = cgGetNamedParameter(sCgMrtVertexProgram, "ModelMatrix");
|
---|
491 | sModelViewProjMatrixParam = cgGetNamedParameter(sCgMrtVertexProgram, "ModelViewProj");
|
---|
492 | }
|
---|
493 |
|
---|
494 | RenderState::sCgMrtFragmentTexProgram =
|
---|
495 | cgCreateProgramFromFile(sCgContext,
|
---|
496 | CG_SOURCE,
|
---|
497 | "src/shaders/mrt.cg",
|
---|
498 | RenderState::sCgFragmentProfile,
|
---|
499 | "fragtex",
|
---|
500 | NULL);
|
---|
501 |
|
---|
502 | if (RenderState::sCgMrtFragmentTexProgram != NULL)
|
---|
503 | {
|
---|
504 | cgGLLoadProgram(RenderState::sCgMrtFragmentTexProgram);
|
---|
505 |
|
---|
506 | sMaxDepthParamTex = cgGetNamedParameter(RenderState::sCgMrtFragmentTexProgram, "maxDepth");
|
---|
507 | Material::sDiffuseTexParam = cgGetNamedParameter(RenderState::sCgMrtFragmentTexProgram, "diffuse");
|
---|
508 | Material::sAmbientTexParam = cgGetNamedParameter(RenderState::sCgMrtFragmentTexProgram, "ambient");
|
---|
509 |
|
---|
510 | cgGLSetParameter1f(sMaxDepthParamTex, 10.0f / myfar);
|
---|
511 | Debug << "maxdepth: " << 10.0f / myfar << endl;
|
---|
512 | }
|
---|
513 | else
|
---|
514 | cerr << "fragment tex program failed to load" << endl;
|
---|
515 |
|
---|
516 | RenderState::sCgMrtFragmentProgram =
|
---|
517 | cgCreateProgramFromFile(sCgContext,
|
---|
518 | CG_SOURCE,
|
---|
519 | "src/shaders/mrt.cg",
|
---|
520 | RenderState::sCgFragmentProfile,
|
---|
521 | "frag",
|
---|
522 | NULL);
|
---|
523 |
|
---|
524 | if (RenderState::sCgMrtFragmentProgram != NULL)
|
---|
525 | {
|
---|
526 | cgGLLoadProgram(RenderState::sCgMrtFragmentProgram);
|
---|
527 |
|
---|
528 | sMaxDepthParam = cgGetNamedParameter(RenderState::sCgMrtFragmentProgram, "maxDepth");
|
---|
529 | Material::sDiffuseParam = cgGetNamedParameter(RenderState::sCgMrtFragmentProgram, "diffuse");
|
---|
530 | Material::sAmbientParam = cgGetNamedParameter(RenderState::sCgMrtFragmentProgram, "ambient");
|
---|
531 |
|
---|
532 | cgGLSetParameter1f(sMaxDepthParam, 10.0f / myfar);
|
---|
533 | }
|
---|
534 | else
|
---|
535 | cerr << "fragment program failed to load" << endl;
|
---|
536 |
|
---|
537 | PrintGLerror("init");
|
---|
538 |
|
---|
539 | cout << "cg initialization successful" << endl;
|
---|
540 | }
|
---|
541 |
|
---|
542 |
|
---|
543 | void InitFBO()
|
---|
544 | {
|
---|
545 | // this fbo basicly stores the scene information we get from standard rendering of a frame
|
---|
546 | // we store colors, normals, positions (for the ssao)
|
---|
547 | fbo = new FrameBufferObject(texWidth, texHeight, FrameBufferObject::DEPTH_32);
|
---|
548 |
|
---|
549 | // the diffuse color buffer
|
---|
550 | //fbo->AddColorBuffer(ColorBufferObject::BUFFER_FLOAT_32, ColorBufferObject::WRAP_CLAMP_TO_EDGE, ColorBufferObject::FILTER_MIPMAP_LINEAR, true);
|
---|
551 | fbo->AddColorBuffer(ColorBufferObject::BUFFER_FLOAT_32, ColorBufferObject::WRAP_CLAMP_TO_EDGE, ColorBufferObject::FILTER_NEAREST, false);
|
---|
552 |
|
---|
553 | // the positions buffer
|
---|
554 | fbo->AddColorBuffer(ColorBufferObject::BUFFER_FLOAT_32, ColorBufferObject::WRAP_CLAMP_TO_EDGE, ColorBufferObject::FILTER_MIPMAP_LINEAR, true);
|
---|
555 | //fbo->AddColorBuffer(ColorBufferObject::BUFFER_FLOAT_32, ColorBufferObject::WRAP_CLAMP_TO_EDGE, ColorBufferObject::FILTER_NEAREST, false);
|
---|
556 |
|
---|
557 | // the normals buffer
|
---|
558 | //fbo->AddColorBuffer(ColorBufferObject::BUFFER_UBYTE, ColorBufferObject::WRAP_CLAMP_TO_EDGE, ColorBufferObject::FILTER_NEAREST, false);
|
---|
559 | fbo->AddColorBuffer(ColorBufferObject::BUFFER_FLOAT_16, ColorBufferObject::WRAP_CLAMP_TO_EDGE, ColorBufferObject::FILTER_NEAREST, false);
|
---|
560 |
|
---|
561 | // another color buffer
|
---|
562 | fbo->AddColorBuffer(ColorBufferObject::BUFFER_FLOAT_32, ColorBufferObject::WRAP_CLAMP_TO_EDGE, ColorBufferObject::FILTER_NEAREST, false);
|
---|
563 |
|
---|
564 | PrintGLerror("fbo");
|
---|
565 | }
|
---|
566 |
|
---|
567 |
|
---|
568 | bool InitFont(void)
|
---|
569 | {
|
---|
570 | glEnable(GL_TEXTURE_2D);
|
---|
571 |
|
---|
572 | glGenTextures(1, &fontTex);
|
---|
573 | glBindTexture(GL_TEXTURE_2D, fontTex);
|
---|
574 | if (!myfont.Create("data/fonts/verdana.glf", fontTex))
|
---|
575 | return false;
|
---|
576 |
|
---|
577 | glDisable(GL_TEXTURE_2D);
|
---|
578 |
|
---|
579 | return true;
|
---|
580 | }
|
---|
581 |
|
---|
582 |
|
---|
583 | void InitGLstate()
|
---|
584 | {
|
---|
585 | glClearColor(0.0f, 0.0, 0.2f, 0.0f);
|
---|
586 |
|
---|
587 | glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
|
---|
588 | glPixelStorei(GL_PACK_ALIGNMENT,1);
|
---|
589 |
|
---|
590 | glDepthFunc(GL_LESS);
|
---|
591 | glEnable(GL_DEPTH_TEST);
|
---|
592 |
|
---|
593 | SetupLighting();
|
---|
594 |
|
---|
595 | glColor3f(1.0f, 1.0f, 1.0f);
|
---|
596 | glShadeModel(GL_SMOOTH);
|
---|
597 |
|
---|
598 | glMaterialf(GL_FRONT, GL_SHININESS, 64);
|
---|
599 | glEnable(GL_NORMALIZE);
|
---|
600 |
|
---|
601 | //glEnable(GL_ALPHA_TEST);
|
---|
602 | glDisable(GL_ALPHA_TEST);
|
---|
603 | glAlphaFunc(GL_GEQUAL, 0.8f);
|
---|
604 |
|
---|
605 | glFrontFace(GL_CCW);
|
---|
606 | glCullFace(GL_BACK);
|
---|
607 | glEnable(GL_CULL_FACE);
|
---|
608 |
|
---|
609 | //glDisable(GL_CULL_FACE);
|
---|
610 | glDisable(GL_TEXTURE_2D);
|
---|
611 |
|
---|
612 | GLfloat ambientColor[] = {0.5, 0.5, 0.5, 1.0};
|
---|
613 | GLfloat diffuseColor[] = {1.0, 0.0, 0.0, 1.0};
|
---|
614 | GLfloat specularColor[] = {0.0, 0.0, 0.0, 1.0};
|
---|
615 |
|
---|
616 | glMaterialfv(GL_FRONT, GL_AMBIENT, ambientColor);
|
---|
617 | glMaterialfv(GL_FRONT, GL_DIFFUSE, diffuseColor);
|
---|
618 | glMaterialfv(GL_FRONT, GL_SPECULAR, specularColor);
|
---|
619 |
|
---|
620 | glDepthFunc(GL_LESS);
|
---|
621 |
|
---|
622 | if (!InitFont())
|
---|
623 | cerr << "font creation failed" << endl;
|
---|
624 | else
|
---|
625 | cout << "successfully created font" << endl;
|
---|
626 | }
|
---|
627 |
|
---|
628 |
|
---|
629 | void DrawHelpMessage()
|
---|
630 | {
|
---|
631 | const char *message[] =
|
---|
632 | {
|
---|
633 | "Help information",
|
---|
634 | "",
|
---|
635 | "'F1' - shows/dismisses this message",
|
---|
636 | "'F2' - shows/hides bird eye view",
|
---|
637 | "'F3' - shows/hides bounds (boxes or tight bounds)",
|
---|
638 | "'F4', - shows/hides parameters",
|
---|
639 | "'F5' - shows/hides statistics",
|
---|
640 | "'F6', - toggles between fly/walkmode",
|
---|
641 | "'F7', - cycles throw render modes",
|
---|
642 | "'F8', - enables/disables ambient occlusion (only deferred)",
|
---|
643 | "'F9', - shows pure algorithm render time (using glFinish)",
|
---|
644 | "'SPACE' - cycles through occlusion culling algorithms",
|
---|
645 | "",
|
---|
646 | "'MOUSE LEFT' - turn left/right, move forward/backward",
|
---|
647 | "'MOUSE RIGHT' - turn left/right, move forward/backward",
|
---|
648 | "'MOUSE MIDDLE' - move up/down, left/right",
|
---|
649 | "'CURSOR UP/DOWN' - move forward/backward",
|
---|
650 | "'CURSOR LEFT/RIGHT' - turn left/right",
|
---|
651 | "",
|
---|
652 | "'-'/'+' - decreases/increases max batch size",
|
---|
653 | "'1'/'2' - downward/upward motion",
|
---|
654 | "'3'/'4' - decreases/increases triangles per virtual bvh leaf (sets bvh depth)",
|
---|
655 | "'5'/'6' - decreases/increases assumed visible frames",
|
---|
656 | "",
|
---|
657 | "'R' - use render queue",
|
---|
658 | "'B' - use tight bounds",
|
---|
659 | "'M' - use multiqueries",
|
---|
660 | "'O' - use CHC optimization (geometry queries for leaves)",
|
---|
661 | 0,
|
---|
662 | };
|
---|
663 |
|
---|
664 |
|
---|
665 | glColor4f(0.0f, 1.0f , 0.0f, 0.2f); // 20% green.
|
---|
666 |
|
---|
667 | glRecti(30, 30, winWidth - 30, winHeight - 30);
|
---|
668 |
|
---|
669 | glEnd();
|
---|
670 |
|
---|
671 | glColor3f(1.0f, 1.0f, 1.0f);
|
---|
672 |
|
---|
673 | glEnable(GL_TEXTURE_2D);
|
---|
674 | myfont.Begin();
|
---|
675 |
|
---|
676 | int x = 40, y = 30;
|
---|
677 |
|
---|
678 | for(int i = 0; message[i] != 0; ++ i)
|
---|
679 | {
|
---|
680 | if(message[i][0] == '\0')
|
---|
681 | {
|
---|
682 | y += 15;
|
---|
683 | }
|
---|
684 | else
|
---|
685 | {
|
---|
686 | myfont.DrawString(message[i], x, winHeight - y);
|
---|
687 | y += 25;
|
---|
688 | }
|
---|
689 | }
|
---|
690 | glDisable(GL_TEXTURE_2D);
|
---|
691 | }
|
---|
692 |
|
---|
693 |
|
---|
694 | void ResetTraverser()
|
---|
695 | {
|
---|
696 | DEL_PTR(traverser);
|
---|
697 |
|
---|
698 | bvh->ResetNodeClassifications();
|
---|
699 |
|
---|
700 | switch (renderMode)
|
---|
701 | {
|
---|
702 | case RenderTraverser::CULL_FRUSTUM:
|
---|
703 | traverser = new FrustumCullingTraverser();
|
---|
704 | break;
|
---|
705 | case RenderTraverser::STOP_AND_WAIT:
|
---|
706 | traverser = new StopAndWaitTraverser();
|
---|
707 | break;
|
---|
708 | case RenderTraverser::CHC:
|
---|
709 | traverser = new CHCTraverser();
|
---|
710 | break;
|
---|
711 | case RenderTraverser::CHCPLUSPLUS:
|
---|
712 | traverser = new CHCPlusPlusTraverser();
|
---|
713 | break;
|
---|
714 |
|
---|
715 | default:
|
---|
716 | traverser = new FrustumCullingTraverser();
|
---|
717 | }
|
---|
718 |
|
---|
719 | traverser->SetCamera(camera);
|
---|
720 | traverser->SetHierarchy(bvh);
|
---|
721 | traverser->SetRenderQueue(renderQueue);
|
---|
722 | traverser->SetRenderState(&state);
|
---|
723 | traverser->SetUseOptimization(useOptimization);
|
---|
724 | traverser->SetUseRenderQueue(useRenderQueue);
|
---|
725 | traverser->SetVisibilityThreshold(threshold);
|
---|
726 | traverser->SetAssumedVisibleFrames(assumedVisibleFrames);
|
---|
727 | traverser->SetMaxBatchSize(maxBatchSize);
|
---|
728 | traverser->SetUseMultiQueries(useMultiQueries);
|
---|
729 | traverser->SetUseTightBounds(useTightBounds);
|
---|
730 | traverser->SetUseDepthPass(renderType == RenderState::DEPTH_PASS);
|
---|
731 | traverser->SetRenderQueue(renderQueue);
|
---|
732 | }
|
---|
733 |
|
---|
734 |
|
---|
735 | void SetupLighting()
|
---|
736 | {
|
---|
737 | glEnable(GL_LIGHTING);
|
---|
738 | glEnable(GL_LIGHT0);
|
---|
739 | glEnable(GL_LIGHT1);
|
---|
740 |
|
---|
741 | GLfloat ambient[] = {0.2, 0.2, 0.2, 1.0};
|
---|
742 | GLfloat diffuse[] = {1.0, 1.0, 1.0, 1.0};
|
---|
743 | GLfloat specular[] = {1.0, 1.0, 1.0, 1.0};
|
---|
744 |
|
---|
745 | GLfloat lmodel_ambient[] = {0.3f, 0.3f, 0.3f, 1.0f};
|
---|
746 |
|
---|
747 | glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
|
---|
748 | glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
|
---|
749 | glLightfv(GL_LIGHT0, GL_SPECULAR, specular);
|
---|
750 |
|
---|
751 |
|
---|
752 | ////////////
|
---|
753 | //-- second light
|
---|
754 |
|
---|
755 | GLfloat ambient1[] = {0.2, 0.2, 0.2, 1.0};
|
---|
756 | GLfloat diffuse1[] = {1.0, 1.0, 1.0, 1.0};
|
---|
757 | //GLfloat diffuse1[] = {0.5, 0.5, 0.5, 1.0};
|
---|
758 | GLfloat specular1[] = {0.0, 0.0, 0.0, 1.0};
|
---|
759 |
|
---|
760 | glLightfv(GL_LIGHT1, GL_AMBIENT, ambient1);
|
---|
761 | glLightfv(GL_LIGHT1, GL_DIFFUSE, diffuse1);
|
---|
762 | glLightfv(GL_LIGHT1, GL_SPECULAR, specular1);
|
---|
763 |
|
---|
764 |
|
---|
765 | //////////////////////////////
|
---|
766 |
|
---|
767 | GLfloat position[] = {0.8f, -1.0f, 0.7f, 0.0f};
|
---|
768 | glLightfv(GL_LIGHT0, GL_POSITION, position);
|
---|
769 |
|
---|
770 | GLfloat position1[] = {-0.5f, 0.5f, 0.4f, 0.0f};
|
---|
771 | glLightfv(GL_LIGHT1, GL_POSITION, position1);
|
---|
772 |
|
---|
773 | glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
|
---|
774 | glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);
|
---|
775 | glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL_EXT, GL_SINGLE_COLOR_EXT);
|
---|
776 | }
|
---|
777 |
|
---|
778 |
|
---|
779 | void SetupEyeView()
|
---|
780 | {
|
---|
781 | // store matrix of last frame
|
---|
782 | oldViewProjMatrix = matProjectionView;
|
---|
783 |
|
---|
784 | glMatrixMode(GL_PROJECTION);
|
---|
785 | glLoadIdentity();
|
---|
786 |
|
---|
787 | gluPerspective(fov, winAspectRatio, nearDist, myfar);
|
---|
788 |
|
---|
789 | glMatrixMode(GL_MODELVIEW);
|
---|
790 | glLoadIdentity();
|
---|
791 |
|
---|
792 | // set up the camera view
|
---|
793 | camera->SetupCameraView();
|
---|
794 |
|
---|
795 |
|
---|
796 | /////////////////
|
---|
797 |
|
---|
798 | Matrix4x4 matProjection;
|
---|
799 |
|
---|
800 | camera->GetModelViewMatrix(matViewing);
|
---|
801 | camera->GetProjectionMatrix(matProjection);
|
---|
802 |
|
---|
803 | // store matrix for later use
|
---|
804 | matProjectionView = matViewing * matProjection;
|
---|
805 |
|
---|
806 | if (renderType == RenderState::DEFERRED)
|
---|
807 | {
|
---|
808 | // set modelview matrix for shaders
|
---|
809 | cgGLSetStateMatrixParameter(sModelViewProjMatrixParam,
|
---|
810 | CG_GL_MODELVIEW_PROJECTION_MATRIX,
|
---|
811 | CG_GL_MATRIX_IDENTITY);
|
---|
812 |
|
---|
813 | static Matrix4x4 identity = IdentityMatrix();
|
---|
814 | cgGLSetMatrixParameterfc(Transform3::sModelMatrixParam, (const float *)identity.x);
|
---|
815 | }
|
---|
816 | }
|
---|
817 |
|
---|
818 |
|
---|
819 | void KeyHorizontalMotion(float shift)
|
---|
820 | {
|
---|
821 | Vector3 hvec = -camera->GetDirection();
|
---|
822 | hvec.z = 0;
|
---|
823 |
|
---|
824 | Vector3 pos = camera->GetPosition();
|
---|
825 | pos += hvec * shift;
|
---|
826 |
|
---|
827 | camera->SetPosition(pos);
|
---|
828 | }
|
---|
829 |
|
---|
830 |
|
---|
831 | void KeyVerticalMotion(float shift)
|
---|
832 | {
|
---|
833 | Vector3 uvec = Vector3(0, 0, shift);
|
---|
834 |
|
---|
835 | Vector3 pos = camera->GetPosition();
|
---|
836 | pos += uvec;
|
---|
837 |
|
---|
838 | camera->SetPosition(pos);
|
---|
839 | }
|
---|
840 |
|
---|
841 |
|
---|
842 | // the main rendering loop
|
---|
843 | void Display()
|
---|
844 | {
|
---|
845 | Vector3 oldPos = camera->GetPosition();
|
---|
846 |
|
---|
847 | if (leftKeyPressed)
|
---|
848 | camera->Pitch(KeyRotationAngle());
|
---|
849 | if (rightKeyPressed)
|
---|
850 | camera->Pitch(-KeyRotationAngle());
|
---|
851 | if (upKeyPressed)
|
---|
852 | KeyHorizontalMotion(-KeyShift());
|
---|
853 | if (downKeyPressed)
|
---|
854 | KeyHorizontalMotion(KeyShift());
|
---|
855 | if (ascendKeyPressed)
|
---|
856 | KeyVerticalMotion(KeyShift());
|
---|
857 | if (descendKeyPressed)
|
---|
858 | KeyVerticalMotion(-KeyShift());
|
---|
859 |
|
---|
860 | // place view on ground
|
---|
861 | if (!flyMode) PlaceViewer(oldPos);
|
---|
862 |
|
---|
863 | if (showAlgorithmTime)
|
---|
864 | {
|
---|
865 | glFinish();
|
---|
866 | algTimer.Start();
|
---|
867 | }
|
---|
868 |
|
---|
869 | // render without shading
|
---|
870 | switch (renderType)
|
---|
871 | {
|
---|
872 | case RenderState::FIXED:
|
---|
873 |
|
---|
874 | glEnable(GL_MULTISAMPLE_ARB);
|
---|
875 |
|
---|
876 | state.SetRenderType(RenderState::FIXED);
|
---|
877 | glEnable(GL_LIGHTING);
|
---|
878 |
|
---|
879 | cgGLDisableProfile(RenderState::sCgFragmentProfile);
|
---|
880 | cgGLDisableProfile(RenderState::sCgVertexProfile);
|
---|
881 |
|
---|
882 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
---|
883 |
|
---|
884 | break;
|
---|
885 |
|
---|
886 | case RenderState::DEPTH_PASS:
|
---|
887 |
|
---|
888 | glEnable(GL_MULTISAMPLE_ARB);
|
---|
889 |
|
---|
890 | cgGLDisableProfile(RenderState::sCgFragmentProfile);
|
---|
891 | cgGLDisableProfile(RenderState::sCgVertexProfile);
|
---|
892 |
|
---|
893 | state.SetRenderType(RenderState::DEPTH_PASS);
|
---|
894 |
|
---|
895 | // the scene is rendered withouth any shading
|
---|
896 | glDisable(GL_LIGHTING);
|
---|
897 |
|
---|
898 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
---|
899 |
|
---|
900 | glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
|
---|
901 |
|
---|
902 | break;
|
---|
903 |
|
---|
904 | case RenderState::DEFERRED:
|
---|
905 |
|
---|
906 | shadowMapping->ComputeShadowMap(light, traverser);
|
---|
907 |
|
---|
908 | if (!fbo) InitFBO();
|
---|
909 |
|
---|
910 | // multisampling does not work with deferred shading
|
---|
911 | glDisable(GL_MULTISAMPLE_ARB);
|
---|
912 |
|
---|
913 | state.SetRenderType(RenderState::DEFERRED);
|
---|
914 |
|
---|
915 | fbo->Bind();
|
---|
916 |
|
---|
917 | glPushAttrib(GL_VIEWPORT_BIT);
|
---|
918 | glViewport(0, 0, texWidth, texHeight);
|
---|
919 |
|
---|
920 | cgGLEnableProfile(RenderState::sCgFragmentProfile);
|
---|
921 | cgGLBindProgram(RenderState::sCgMrtFragmentProgram);
|
---|
922 |
|
---|
923 | cgGLEnableProfile(RenderState::sCgVertexProfile);
|
---|
924 | cgGLBindProgram(sCgMrtVertexProgram);
|
---|
925 |
|
---|
926 | /// draw to 3 color buffers
|
---|
927 | glDrawBuffers(3, mrt);
|
---|
928 |
|
---|
929 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
---|
930 |
|
---|
931 | break;
|
---|
932 | }
|
---|
933 |
|
---|
934 |
|
---|
935 | glDepthFunc(GL_LESS);
|
---|
936 |
|
---|
937 | glDisable(GL_TEXTURE_2D);
|
---|
938 | glDisableClientState(GL_TEXTURE_COORD_ARRAY);
|
---|
939 |
|
---|
940 |
|
---|
941 | // reset lod levels for current frame
|
---|
942 | LODLevel::InitFrame(camera->GetPosition());
|
---|
943 |
|
---|
944 |
|
---|
945 | // bring eye modelview matrix up-to-date
|
---|
946 | SetupEyeView();
|
---|
947 |
|
---|
948 | // set up lights
|
---|
949 | GLfloat position[] = {0.8f, -1.0f, 0.7f, 0.0f};
|
---|
950 | glLightfv(GL_LIGHT0, GL_POSITION, position);
|
---|
951 |
|
---|
952 | GLfloat position1[] = {-0.5f, 0.5f, 0.4f, 0.0f};
|
---|
953 | glLightfv(GL_LIGHT1, GL_POSITION, position1);
|
---|
954 |
|
---|
955 | // actually render the scene geometry using the specified algorithm
|
---|
956 | traverser->RenderScene();
|
---|
957 |
|
---|
958 |
|
---|
959 | /////////
|
---|
960 | //-- do the rest of the rendering
|
---|
961 |
|
---|
962 | glEnableClientState(GL_VERTEX_ARRAY);
|
---|
963 | glEnableClientState(GL_NORMAL_ARRAY);
|
---|
964 |
|
---|
965 |
|
---|
966 | // reset depth pass and render visible objects
|
---|
967 | if (renderType == RenderState::DEPTH_PASS)
|
---|
968 | {
|
---|
969 | glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
|
---|
970 | RenderVisibleObjects();
|
---|
971 | }
|
---|
972 |
|
---|
973 |
|
---|
974 | ///////////////
|
---|
975 | //-- render sky
|
---|
976 |
|
---|
977 | // q: should we render sky after deferred shading? (would conveniently solves some issues)
|
---|
978 | // (e.g, skys without shadows)
|
---|
979 |
|
---|
980 | RenderSky();
|
---|
981 |
|
---|
982 |
|
---|
983 |
|
---|
984 | if (renderType == RenderState::DEFERRED)
|
---|
985 | {
|
---|
986 | FrameBufferObject::Release();
|
---|
987 |
|
---|
988 | cgGLDisableProfile(RenderState::sCgVertexProfile);
|
---|
989 | cgGLDisableProfile(RenderState::sCgFragmentProfile);
|
---|
990 |
|
---|
991 | if (useSsao)
|
---|
992 | {
|
---|
993 | if (!ssaoShader) ssaoShader = new SsaoShader(texWidth, texHeight, camera, myfar / 10.0f);
|
---|
994 | ssaoShader->Render(fbo, oldViewProjMatrix, ssaoExpFactor);
|
---|
995 |
|
---|
996 | }
|
---|
997 | else
|
---|
998 | {
|
---|
999 | if (!deferredShader) deferredShader = new DeferredShader(texWidth, texHeight, myfar / 10.0f);
|
---|
1000 |
|
---|
1001 | //deferredShader->Render(fbo);
|
---|
1002 | deferredShader->Render(fbo, matViewing, shadowMapping);
|
---|
1003 | }
|
---|
1004 | }
|
---|
1005 |
|
---|
1006 |
|
---|
1007 | state.SetRenderType(RenderState::FIXED);
|
---|
1008 | state.Reset();
|
---|
1009 |
|
---|
1010 |
|
---|
1011 | glDisableClientState(GL_VERTEX_ARRAY);
|
---|
1012 | glDisableClientState(GL_NORMAL_ARRAY);
|
---|
1013 |
|
---|
1014 |
|
---|
1015 |
|
---|
1016 | ///////////
|
---|
1017 |
|
---|
1018 |
|
---|
1019 | if (showAlgorithmTime)
|
---|
1020 | {
|
---|
1021 | glFinish();
|
---|
1022 |
|
---|
1023 | algTime = algTimer.Elapsedms();
|
---|
1024 | perfGraph->AddData(algTime);
|
---|
1025 |
|
---|
1026 | perfGraph->Draw();
|
---|
1027 | }
|
---|
1028 | else
|
---|
1029 | {
|
---|
1030 | if (visMode) DisplayVisualization();
|
---|
1031 | }
|
---|
1032 |
|
---|
1033 | glFlush();
|
---|
1034 |
|
---|
1035 | const bool restart = true;
|
---|
1036 | elapsedTime = frameTimer.Elapsedms(restart);
|
---|
1037 |
|
---|
1038 | DisplayStats();
|
---|
1039 |
|
---|
1040 | glutSwapBuffers();
|
---|
1041 | }
|
---|
1042 |
|
---|
1043 |
|
---|
1044 | #pragma warning( disable : 4100 )
|
---|
1045 | void KeyBoard(unsigned char c, int x, int y)
|
---|
1046 | {
|
---|
1047 | switch(c)
|
---|
1048 | {
|
---|
1049 | case 27:
|
---|
1050 | CleanUp();
|
---|
1051 | exit(0);
|
---|
1052 | break;
|
---|
1053 | case 32: //space
|
---|
1054 | renderMode = (renderMode + 1) % RenderTraverser::NUM_TRAVERSAL_TYPES;
|
---|
1055 | ResetTraverser();
|
---|
1056 | break;
|
---|
1057 | case 'h':
|
---|
1058 | case 'H':
|
---|
1059 | showHelp = !showHelp;
|
---|
1060 | break;
|
---|
1061 | case '+':
|
---|
1062 | if (maxBatchSize < 10)
|
---|
1063 | maxBatchSize = 10;
|
---|
1064 | else
|
---|
1065 | maxBatchSize += 10;
|
---|
1066 |
|
---|
1067 | traverser->SetMaxBatchSize(maxBatchSize);
|
---|
1068 | break;
|
---|
1069 | case '-':
|
---|
1070 | maxBatchSize -= 10;
|
---|
1071 | if (maxBatchSize < 0) maxBatchSize = 1;
|
---|
1072 | traverser->SetMaxBatchSize(maxBatchSize);
|
---|
1073 | break;
|
---|
1074 | case 'M':
|
---|
1075 | case 'm':
|
---|
1076 | useMultiQueries = !useMultiQueries;
|
---|
1077 | traverser->SetUseMultiQueries(useMultiQueries);
|
---|
1078 | break;
|
---|
1079 | case '1':
|
---|
1080 | descendKeyPressed = true;
|
---|
1081 | break;
|
---|
1082 | case '2':
|
---|
1083 | ascendKeyPressed = true;
|
---|
1084 | break;
|
---|
1085 | case '3':
|
---|
1086 | if (trianglesPerVirtualLeaf >= 100)
|
---|
1087 | trianglesPerVirtualLeaf -= 100;
|
---|
1088 | bvh->SetVirtualLeaves(trianglesPerVirtualLeaf);
|
---|
1089 | break;
|
---|
1090 | case '4':
|
---|
1091 | trianglesPerVirtualLeaf += 100;
|
---|
1092 | bvh->SetVirtualLeaves(trianglesPerVirtualLeaf);
|
---|
1093 | break;
|
---|
1094 | case '5':
|
---|
1095 | assumedVisibleFrames -= 1;
|
---|
1096 | if (assumedVisibleFrames < 1) assumedVisibleFrames = 1;
|
---|
1097 | traverser->SetAssumedVisibleFrames(assumedVisibleFrames);
|
---|
1098 | break;
|
---|
1099 | case '6':
|
---|
1100 | assumedVisibleFrames += 1;
|
---|
1101 | traverser->SetAssumedVisibleFrames(assumedVisibleFrames);
|
---|
1102 | break;
|
---|
1103 | case '7':
|
---|
1104 | ssaoExpFactor *= 0.5f;
|
---|
1105 | break;
|
---|
1106 | case '8':
|
---|
1107 | ssaoExpFactor *= 2.0f;
|
---|
1108 | if (ssaoExpFactor > 1.0f) ssaoExpFactor = 1.0f;
|
---|
1109 | break;
|
---|
1110 | case '9':
|
---|
1111 | useLODs = !useLODs;
|
---|
1112 | SceneEntity::SetUseLODs(useLODs);
|
---|
1113 | break;
|
---|
1114 | case 'P':
|
---|
1115 | case 'p':
|
---|
1116 | if (samplingMethod == SsaoShader::GAUSS)
|
---|
1117 | samplingMethod = SsaoShader::POISSON;
|
---|
1118 | else
|
---|
1119 | samplingMethod = SsaoShader::GAUSS;
|
---|
1120 |
|
---|
1121 | ssaoShader->SetSamplingMethod(samplingMethod);
|
---|
1122 |
|
---|
1123 | break;
|
---|
1124 | case 'g':
|
---|
1125 | case 'G':
|
---|
1126 | useGlobIllum = !useGlobIllum;
|
---|
1127 | ssaoShader->SetUseGlobIllum(useGlobIllum);
|
---|
1128 | break;
|
---|
1129 | case 't':
|
---|
1130 | case 'T':
|
---|
1131 | useTemporalCoherence = !useTemporalCoherence;
|
---|
1132 | ssaoShader->SetUseTemporalCoherence(useTemporalCoherence);
|
---|
1133 | break;
|
---|
1134 | case 'o':
|
---|
1135 | case 'O':
|
---|
1136 | useOptimization = !useOptimization;
|
---|
1137 | traverser->SetUseOptimization(useOptimization);
|
---|
1138 | break;
|
---|
1139 | case 'a':
|
---|
1140 | case 'A':
|
---|
1141 | leftKeyPressed = true;
|
---|
1142 | break;
|
---|
1143 | case 'd':
|
---|
1144 | case 'D':
|
---|
1145 | rightKeyPressed = true;
|
---|
1146 | break;
|
---|
1147 | case 'w':
|
---|
1148 | case 'W':
|
---|
1149 | upKeyPressed = true;
|
---|
1150 | break;
|
---|
1151 | case 's':
|
---|
1152 | case 'S':
|
---|
1153 | downKeyPressed = true;
|
---|
1154 | break;
|
---|
1155 | case 'r':
|
---|
1156 | case 'R':
|
---|
1157 | {
|
---|
1158 | useRenderQueue = !useRenderQueue;
|
---|
1159 | traverser->SetUseRenderQueue(useRenderQueue);
|
---|
1160 | }
|
---|
1161 | break;
|
---|
1162 | case 'b':
|
---|
1163 | case 'B':
|
---|
1164 | {
|
---|
1165 | useTightBounds = !useTightBounds;
|
---|
1166 | traverser->SetUseTightBounds(useTightBounds);
|
---|
1167 | }
|
---|
1168 | break;
|
---|
1169 | default:
|
---|
1170 | return;
|
---|
1171 | }
|
---|
1172 |
|
---|
1173 | glutPostRedisplay();
|
---|
1174 | }
|
---|
1175 |
|
---|
1176 |
|
---|
1177 | void SpecialKeyUp(int c, int x, int y)
|
---|
1178 | {
|
---|
1179 | switch (c)
|
---|
1180 | {
|
---|
1181 | case GLUT_KEY_LEFT:
|
---|
1182 | leftKeyPressed = false;
|
---|
1183 | break;
|
---|
1184 | case GLUT_KEY_RIGHT:
|
---|
1185 | rightKeyPressed = false;
|
---|
1186 | break;
|
---|
1187 | case GLUT_KEY_UP:
|
---|
1188 | upKeyPressed = false;
|
---|
1189 | break;
|
---|
1190 | case GLUT_KEY_DOWN:
|
---|
1191 | downKeyPressed = false;
|
---|
1192 | break;
|
---|
1193 | default:
|
---|
1194 | return;
|
---|
1195 | }
|
---|
1196 | //glutPostRedisplay();
|
---|
1197 | }
|
---|
1198 |
|
---|
1199 |
|
---|
1200 | void KeyUp(unsigned char c, int x, int y)
|
---|
1201 | {
|
---|
1202 | switch (c)
|
---|
1203 | {
|
---|
1204 |
|
---|
1205 | case 'A':
|
---|
1206 | case 'a':
|
---|
1207 | leftKeyPressed = false;
|
---|
1208 | break;
|
---|
1209 | case 'D':
|
---|
1210 | case 'd':
|
---|
1211 | rightKeyPressed = false;
|
---|
1212 | break;
|
---|
1213 | case 'W':
|
---|
1214 | case 'w':
|
---|
1215 | upKeyPressed = false;
|
---|
1216 | break;
|
---|
1217 | case 'S':
|
---|
1218 | case 's':
|
---|
1219 | downKeyPressed = false;
|
---|
1220 | break;
|
---|
1221 | case '1':
|
---|
1222 | descendKeyPressed = false;
|
---|
1223 | break;
|
---|
1224 | case '2':
|
---|
1225 | ascendKeyPressed = false;
|
---|
1226 | break;
|
---|
1227 |
|
---|
1228 | default:
|
---|
1229 | return;
|
---|
1230 | }
|
---|
1231 | //glutPostRedisplay();
|
---|
1232 | }
|
---|
1233 |
|
---|
1234 |
|
---|
1235 | void Special(int c, int x, int y)
|
---|
1236 | {
|
---|
1237 | switch(c)
|
---|
1238 | {
|
---|
1239 | case GLUT_KEY_F1:
|
---|
1240 | showHelp = !showHelp;
|
---|
1241 | break;
|
---|
1242 | case GLUT_KEY_F2:
|
---|
1243 | visMode = !visMode;
|
---|
1244 | break;
|
---|
1245 | case GLUT_KEY_F3:
|
---|
1246 | showBoundingVolumes = !showBoundingVolumes;
|
---|
1247 | traverser->SetShowBounds(showBoundingVolumes);
|
---|
1248 | break;
|
---|
1249 | case GLUT_KEY_F4:
|
---|
1250 | showOptions = !showOptions;
|
---|
1251 | break;
|
---|
1252 | case GLUT_KEY_F5:
|
---|
1253 | showStatistics = !showStatistics;
|
---|
1254 | break;
|
---|
1255 | case GLUT_KEY_F6:
|
---|
1256 | flyMode = !flyMode;
|
---|
1257 | break;
|
---|
1258 | case GLUT_KEY_F7:
|
---|
1259 |
|
---|
1260 | renderType = (renderType + 1) % 3;
|
---|
1261 | traverser->SetUseDepthPass(renderType == RenderState::DEPTH_PASS);
|
---|
1262 |
|
---|
1263 | break;
|
---|
1264 | case GLUT_KEY_F8:
|
---|
1265 | useSsao = !useSsao;
|
---|
1266 | break;
|
---|
1267 | case GLUT_KEY_F9:
|
---|
1268 | showAlgorithmTime = !showAlgorithmTime;
|
---|
1269 | break;
|
---|
1270 |
|
---|
1271 | case GLUT_KEY_LEFT:
|
---|
1272 | {
|
---|
1273 | leftKeyPressed = true;
|
---|
1274 | camera->Pitch(KeyRotationAngle());
|
---|
1275 | }
|
---|
1276 | break;
|
---|
1277 | case GLUT_KEY_RIGHT:
|
---|
1278 | {
|
---|
1279 | rightKeyPressed = true;
|
---|
1280 | camera->Pitch(-KeyRotationAngle());
|
---|
1281 | }
|
---|
1282 | break;
|
---|
1283 | case GLUT_KEY_UP:
|
---|
1284 | {
|
---|
1285 | upKeyPressed = true;
|
---|
1286 | KeyHorizontalMotion(KeyShift());
|
---|
1287 | }
|
---|
1288 | break;
|
---|
1289 | case GLUT_KEY_DOWN:
|
---|
1290 | {
|
---|
1291 | downKeyPressed = true;
|
---|
1292 | KeyHorizontalMotion(-KeyShift());
|
---|
1293 | }
|
---|
1294 | break;
|
---|
1295 | default:
|
---|
1296 | return;
|
---|
1297 |
|
---|
1298 | }
|
---|
1299 |
|
---|
1300 | glutPostRedisplay();
|
---|
1301 | }
|
---|
1302 |
|
---|
1303 | #pragma warning( default : 4100 )
|
---|
1304 |
|
---|
1305 |
|
---|
1306 | void Reshape(int w, int h)
|
---|
1307 | {
|
---|
1308 | winAspectRatio = 1.0f;
|
---|
1309 |
|
---|
1310 | glViewport(0, 0, w, h);
|
---|
1311 |
|
---|
1312 | winWidth = w;
|
---|
1313 | winHeight = h;
|
---|
1314 |
|
---|
1315 | if (w) winAspectRatio = (float) w / (float) h;
|
---|
1316 |
|
---|
1317 | glMatrixMode(GL_PROJECTION);
|
---|
1318 | glLoadIdentity();
|
---|
1319 |
|
---|
1320 | gluPerspective(fov, winAspectRatio, nearDist, myfar);
|
---|
1321 |
|
---|
1322 | glMatrixMode(GL_MODELVIEW);
|
---|
1323 |
|
---|
1324 | glutPostRedisplay();
|
---|
1325 | }
|
---|
1326 |
|
---|
1327 |
|
---|
1328 | void Mouse(int button, int state, int x, int y)
|
---|
1329 | {
|
---|
1330 | if ((button == GLUT_LEFT_BUTTON) && (state == GLUT_DOWN))
|
---|
1331 | {
|
---|
1332 | xEyeBegin = x;
|
---|
1333 | yMotionBegin = y;
|
---|
1334 |
|
---|
1335 | glutMotionFunc(LeftMotion);
|
---|
1336 | }
|
---|
1337 | else if ((button == GLUT_RIGHT_BUTTON) && (state == GLUT_DOWN))
|
---|
1338 | {
|
---|
1339 | xEyeBegin = x;
|
---|
1340 | yEyeBegin = y;
|
---|
1341 | yMotionBegin = y;
|
---|
1342 |
|
---|
1343 | glutMotionFunc(RightMotion);
|
---|
1344 | }
|
---|
1345 | else if ((button == GLUT_MIDDLE_BUTTON) && (state == GLUT_DOWN))
|
---|
1346 | {
|
---|
1347 | horizontalMotionBegin = x;
|
---|
1348 | verticalMotionBegin = y;
|
---|
1349 | glutMotionFunc(MiddleMotion);
|
---|
1350 | }
|
---|
1351 |
|
---|
1352 | glutPostRedisplay();
|
---|
1353 | }
|
---|
1354 |
|
---|
1355 |
|
---|
1356 | /** rotation for left/right mouse drag
|
---|
1357 | motion for up/down mouse drag
|
---|
1358 | */
|
---|
1359 | void LeftMotion(int x, int y)
|
---|
1360 | {
|
---|
1361 | Vector3 viewDir = camera->GetDirection();
|
---|
1362 | Vector3 pos = camera->GetPosition();
|
---|
1363 |
|
---|
1364 | // don't move in the vertical direction
|
---|
1365 | Vector3 horView(viewDir[0], viewDir[1], 0);
|
---|
1366 |
|
---|
1367 | float eyeXAngle = 0.2f * M_PI * (xEyeBegin - x) / 180.0;
|
---|
1368 |
|
---|
1369 | camera->Pitch(eyeXAngle);
|
---|
1370 |
|
---|
1371 | pos += horView * (yMotionBegin - y) * 0.2f;
|
---|
1372 |
|
---|
1373 | camera->SetPosition(pos);
|
---|
1374 |
|
---|
1375 | xEyeBegin = x;
|
---|
1376 | yMotionBegin = y;
|
---|
1377 |
|
---|
1378 | glutPostRedisplay();
|
---|
1379 | }
|
---|
1380 |
|
---|
1381 |
|
---|
1382 | /** rotation for left / right mouse drag
|
---|
1383 | motion for up / down mouse drag
|
---|
1384 | */
|
---|
1385 | void RightMotion(int x, int y)
|
---|
1386 | {
|
---|
1387 | float eyeXAngle = 0.2f * M_PI * (xEyeBegin - x) / 180.0;
|
---|
1388 | float eyeYAngle = -0.2f * M_PI * (yEyeBegin - y) / 180.0;
|
---|
1389 |
|
---|
1390 | camera->Yaw(eyeYAngle);
|
---|
1391 | camera->Pitch(eyeXAngle);
|
---|
1392 |
|
---|
1393 | xEyeBegin = x;
|
---|
1394 | yEyeBegin = y;
|
---|
1395 |
|
---|
1396 | glutPostRedisplay();
|
---|
1397 | }
|
---|
1398 |
|
---|
1399 |
|
---|
1400 | // strafe
|
---|
1401 | void MiddleMotion(int x, int y)
|
---|
1402 | {
|
---|
1403 | Vector3 viewDir = camera->GetDirection();
|
---|
1404 | Vector3 pos = camera->GetPosition();
|
---|
1405 |
|
---|
1406 | // the 90 degree rotated view vector
|
---|
1407 | // y zero so we don't move in the vertical
|
---|
1408 | Vector3 rVec(viewDir[0], viewDir[1], 0);
|
---|
1409 |
|
---|
1410 | Matrix4x4 rot = RotationZMatrix(M_PI * 0.5f);
|
---|
1411 | rVec = rot * rVec;
|
---|
1412 |
|
---|
1413 | pos -= rVec * (x - horizontalMotionBegin) * 0.1f;
|
---|
1414 | pos[2] += (verticalMotionBegin - y) * 0.1f;
|
---|
1415 |
|
---|
1416 | camera->SetPosition(pos);
|
---|
1417 |
|
---|
1418 | horizontalMotionBegin = x;
|
---|
1419 | verticalMotionBegin = y;
|
---|
1420 |
|
---|
1421 | glutPostRedisplay();
|
---|
1422 | }
|
---|
1423 |
|
---|
1424 |
|
---|
1425 | void InitExtensions(void)
|
---|
1426 | {
|
---|
1427 | GLenum err = glewInit();
|
---|
1428 |
|
---|
1429 | if (GLEW_OK != err)
|
---|
1430 | {
|
---|
1431 | // problem: glewInit failed, something is seriously wrong
|
---|
1432 | fprintf(stderr,"Error: %s\n", glewGetErrorString(err));
|
---|
1433 | exit(1);
|
---|
1434 | }
|
---|
1435 | if (!GLEW_ARB_occlusion_query)
|
---|
1436 | {
|
---|
1437 | printf("I require the GL_ARB_occlusion_query to work.\n");
|
---|
1438 | exit(1);
|
---|
1439 | }
|
---|
1440 | }
|
---|
1441 |
|
---|
1442 |
|
---|
1443 | void Begin2D()
|
---|
1444 | {
|
---|
1445 | glDisable(GL_LIGHTING);
|
---|
1446 | glDisable(GL_DEPTH_TEST);
|
---|
1447 |
|
---|
1448 | glMatrixMode(GL_PROJECTION);
|
---|
1449 | glPushMatrix();
|
---|
1450 | glLoadIdentity();
|
---|
1451 |
|
---|
1452 | gluOrtho2D(0, winWidth, 0, winHeight);
|
---|
1453 |
|
---|
1454 | glMatrixMode(GL_MODELVIEW);
|
---|
1455 | glPushMatrix();
|
---|
1456 | glLoadIdentity();
|
---|
1457 | }
|
---|
1458 |
|
---|
1459 |
|
---|
1460 | void End2D()
|
---|
1461 | {
|
---|
1462 | glMatrixMode(GL_PROJECTION);
|
---|
1463 | glPopMatrix();
|
---|
1464 |
|
---|
1465 | glMatrixMode(GL_MODELVIEW);
|
---|
1466 | glPopMatrix();
|
---|
1467 |
|
---|
1468 | glEnable(GL_LIGHTING);
|
---|
1469 | glEnable(GL_DEPTH_TEST);
|
---|
1470 | }
|
---|
1471 |
|
---|
1472 |
|
---|
1473 | // displays the visualisation of culling algorithm
|
---|
1474 | void DisplayVisualization()
|
---|
1475 | {
|
---|
1476 | visualization->SetFrameId(traverser->GetCurrentFrameId());
|
---|
1477 |
|
---|
1478 | Begin2D();
|
---|
1479 | glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
---|
1480 | glEnable(GL_BLEND);
|
---|
1481 | glColor4f(0.0f ,0.0f, 0.0f, 0.5f);
|
---|
1482 |
|
---|
1483 | glRecti(winWidth - winWidth / 3, winHeight - winHeight / 3, winWidth, winHeight);
|
---|
1484 | glDisable(GL_BLEND);
|
---|
1485 | End2D();
|
---|
1486 |
|
---|
1487 |
|
---|
1488 | AxisAlignedBox3 box = bvh->GetBox();
|
---|
1489 |
|
---|
1490 | // hack: set far plane for viz
|
---|
1491 | camera->SetFar(0.35f * Magnitude(box.Diagonal()));
|
---|
1492 |
|
---|
1493 | const float offs = box.Size().x * 0.3f;
|
---|
1494 |
|
---|
1495 | Vector3 vizpos = Vector3(box.Min().x, box.Min().y - box.Size().y * 0.35f, box.Min().z + box.Size().z * 50);
|
---|
1496 |
|
---|
1497 | visCamera->SetPosition(vizpos);
|
---|
1498 | visCamera->ResetPitchAndYaw();
|
---|
1499 |
|
---|
1500 | glPushAttrib(GL_VIEWPORT_BIT);
|
---|
1501 | glViewport(winWidth - winWidth / 3, winHeight - winHeight / 3, winWidth / 3, winHeight / 3);
|
---|
1502 |
|
---|
1503 | glMatrixMode(GL_PROJECTION);
|
---|
1504 | glPushMatrix();
|
---|
1505 |
|
---|
1506 | glLoadIdentity();
|
---|
1507 |
|
---|
1508 | glOrtho(-offs, offs, -offs, offs, 0.0f, box.Size().z * 100.0f);
|
---|
1509 |
|
---|
1510 | glMatrixMode(GL_MODELVIEW);
|
---|
1511 | glPushMatrix();
|
---|
1512 |
|
---|
1513 | visCamera->SetupCameraView();
|
---|
1514 |
|
---|
1515 | //Matrix4x4 rotX = RotationXMatrix(camera->GetYaw());
|
---|
1516 | //glMultMatrixf((float *)rotX.x);
|
---|
1517 | Matrix4x4 rotZ = RotationZMatrix(-camera->GetPitch());
|
---|
1518 | glMultMatrixf((float *)rotZ.x);
|
---|
1519 |
|
---|
1520 | // inverse translation in order to fix current position
|
---|
1521 | Vector3 pos = camera->GetPosition();
|
---|
1522 | glTranslatef(-pos.x, -pos.y, -pos.z);
|
---|
1523 |
|
---|
1524 |
|
---|
1525 | GLfloat position[] = {0.8f, 1.0f, 1.5f, 0.0f};
|
---|
1526 | glLightfv(GL_LIGHT0, GL_POSITION, position);
|
---|
1527 |
|
---|
1528 | GLfloat position1[] = {bvh->GetBox().Center().x, bvh->GetBox().Max().y, bvh->GetBox().Center().z, 1.0f};
|
---|
1529 | glLightfv(GL_LIGHT1, GL_POSITION, position1);
|
---|
1530 |
|
---|
1531 | glClear(GL_DEPTH_BUFFER_BIT);
|
---|
1532 |
|
---|
1533 |
|
---|
1534 | ////////////
|
---|
1535 | //-- visualization of the occlusion culling
|
---|
1536 |
|
---|
1537 | visualization->Render();
|
---|
1538 |
|
---|
1539 |
|
---|
1540 |
|
---|
1541 | // reset previous settings
|
---|
1542 | glPopAttrib();
|
---|
1543 |
|
---|
1544 | glMatrixMode(GL_PROJECTION);
|
---|
1545 | glPopMatrix();
|
---|
1546 | glMatrixMode(GL_MODELVIEW);
|
---|
1547 | glPopMatrix();
|
---|
1548 | }
|
---|
1549 |
|
---|
1550 |
|
---|
1551 | // cleanup routine after the main loop
|
---|
1552 | void CleanUp()
|
---|
1553 | {
|
---|
1554 | DEL_PTR(traverser);
|
---|
1555 | DEL_PTR(sceneQuery);
|
---|
1556 | DEL_PTR(bvh);
|
---|
1557 | DEL_PTR(visualization);
|
---|
1558 | DEL_PTR(camera);
|
---|
1559 | DEL_PTR(loader);
|
---|
1560 | DEL_PTR(renderQueue);
|
---|
1561 | DEL_PTR(perfGraph);
|
---|
1562 |
|
---|
1563 | DEL_PTR(fbo);
|
---|
1564 | DEL_PTR(ssaoShader);
|
---|
1565 | DEL_PTR(deferredShader);
|
---|
1566 |
|
---|
1567 | if (sCgMrtVertexProgram)
|
---|
1568 | cgDestroyProgram(sCgMrtVertexProgram);
|
---|
1569 | if (RenderState::sCgMrtFragmentProgram)
|
---|
1570 | cgDestroyProgram(RenderState::sCgMrtFragmentProgram);
|
---|
1571 | if (RenderState::sCgMrtFragmentTexProgram)
|
---|
1572 | cgDestroyProgram(RenderState::sCgMrtFragmentTexProgram);
|
---|
1573 |
|
---|
1574 | if (sCgContext)
|
---|
1575 | cgDestroyContext(sCgContext);
|
---|
1576 | }
|
---|
1577 |
|
---|
1578 |
|
---|
1579 | // this function inserts a dezimal point after each 1000
|
---|
1580 | void CalcDecimalPoint(string &str, int d, int len)
|
---|
1581 | {
|
---|
1582 | static vector<int> numbers;
|
---|
1583 | numbers.clear();
|
---|
1584 |
|
---|
1585 | static string shortStr;
|
---|
1586 | shortStr.clear();
|
---|
1587 |
|
---|
1588 | static char hstr[100];
|
---|
1589 |
|
---|
1590 | while (d != 0)
|
---|
1591 | {
|
---|
1592 | numbers.push_back(d % 1000);
|
---|
1593 | d /= 1000;
|
---|
1594 | }
|
---|
1595 |
|
---|
1596 | // first element without leading zeros
|
---|
1597 | if (numbers.size() > 0)
|
---|
1598 | {
|
---|
1599 | sprintf(hstr, "%d", numbers.back());
|
---|
1600 | shortStr.append(hstr);
|
---|
1601 | }
|
---|
1602 |
|
---|
1603 | for (int i = (int)numbers.size() - 2; i >= 0; i--)
|
---|
1604 | {
|
---|
1605 | sprintf(hstr, ",%03d", numbers[i]);
|
---|
1606 | shortStr.append(hstr);
|
---|
1607 | }
|
---|
1608 |
|
---|
1609 | int dif = len - (int)shortStr.size();
|
---|
1610 |
|
---|
1611 | for (int i = 0; i < dif; ++ i)
|
---|
1612 | {
|
---|
1613 | str += " ";
|
---|
1614 | }
|
---|
1615 |
|
---|
1616 | str.append(shortStr);
|
---|
1617 | }
|
---|
1618 |
|
---|
1619 |
|
---|
1620 | void DisplayStats()
|
---|
1621 | {
|
---|
1622 | static char msg[9][300];
|
---|
1623 |
|
---|
1624 | static double frameTime = elapsedTime;
|
---|
1625 | static double renderTime = algTime;
|
---|
1626 |
|
---|
1627 | const float expFactor = 0.1f;
|
---|
1628 |
|
---|
1629 | // if some strange render time spike happened in this frame => don't count
|
---|
1630 | if (elapsedTime < 500) frameTime = elapsedTime * expFactor + (1.0f - expFactor) * elapsedTime;
|
---|
1631 |
|
---|
1632 | static float rTime = 1000.0f;
|
---|
1633 |
|
---|
1634 | if (showAlgorithmTime)
|
---|
1635 | {
|
---|
1636 | if (algTime < 500) renderTime = algTime * expFactor + (1.0f - expFactor) * renderTime;
|
---|
1637 | }
|
---|
1638 |
|
---|
1639 | accumulatedTime += elapsedTime;
|
---|
1640 |
|
---|
1641 | if (accumulatedTime > 500) // update every fraction of a second
|
---|
1642 | {
|
---|
1643 | accumulatedTime = 0;
|
---|
1644 |
|
---|
1645 | if (frameTime) fps = 1e3f / (float)frameTime;
|
---|
1646 |
|
---|
1647 | rTime = renderTime;
|
---|
1648 | renderedObjects = traverser->GetStats().mNumRenderedGeometry;
|
---|
1649 | renderedNodes = traverser->GetStats().mNumRenderedNodes;
|
---|
1650 | renderedTriangles = traverser->GetStats().mNumRenderedTriangles;
|
---|
1651 |
|
---|
1652 | traversedNodes = traverser->GetStats().mNumTraversedNodes;
|
---|
1653 | frustumCulledNodes = traverser->GetStats().mNumFrustumCulledNodes;
|
---|
1654 | queryCulledNodes = traverser->GetStats().mNumQueryCulledNodes;
|
---|
1655 | issuedQueries = traverser->GetStats().mNumIssuedQueries;
|
---|
1656 | stateChanges = traverser->GetStats().mNumStateChanges;
|
---|
1657 | numBatches = traverser->GetStats().mNumBatches;
|
---|
1658 | }
|
---|
1659 |
|
---|
1660 |
|
---|
1661 | Begin2D();
|
---|
1662 |
|
---|
1663 | glEnable(GL_BLEND);
|
---|
1664 | glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
---|
1665 |
|
---|
1666 | if (showHelp)
|
---|
1667 | {
|
---|
1668 | DrawHelpMessage();
|
---|
1669 | }
|
---|
1670 | else
|
---|
1671 | {
|
---|
1672 | if (showOptions)
|
---|
1673 | {
|
---|
1674 | glColor4f(0.0f, 0.0f, 0.0f, 0.5f);
|
---|
1675 | glRecti(5, winHeight - 95, winWidth * 2 / 3 - 5, winHeight - 5);
|
---|
1676 | }
|
---|
1677 |
|
---|
1678 | if (showStatistics)
|
---|
1679 | {
|
---|
1680 | glColor4f(0.0f, 0.0f, 0.0f, 0.5f);
|
---|
1681 | glRecti(5, winHeight - 165, winWidth * 2 / 3 - 5, winHeight - 100);
|
---|
1682 | }
|
---|
1683 |
|
---|
1684 | glEnable(GL_TEXTURE_2D);
|
---|
1685 |
|
---|
1686 | myfont.Begin();
|
---|
1687 |
|
---|
1688 | if (showOptions)
|
---|
1689 | {
|
---|
1690 | glColor3f(0.0f, 1.0f, 0.0f);
|
---|
1691 |
|
---|
1692 | int i = 0;
|
---|
1693 |
|
---|
1694 | static char *renderTypeStr[] = {"fixed function", "fixed function + depth pass", "deferred shading"};
|
---|
1695 |
|
---|
1696 | sprintf(msg[i ++], "multiqueries: %d, tight bounds: %d, render queue: %d",
|
---|
1697 | useMultiQueries, useTightBounds, useRenderQueue);
|
---|
1698 |
|
---|
1699 | sprintf(msg[i ++], "render technique: %s, SSAO: %d", renderTypeStr[renderType], useSsao);
|
---|
1700 |
|
---|
1701 | sprintf(msg[i ++], "triangles per virtual leaf: %5d", trianglesPerVirtualLeaf);
|
---|
1702 |
|
---|
1703 | sprintf(msg[i ++], "assumed visible frames: %4d, max batch size: %4d",
|
---|
1704 | assumedVisibleFrames, maxBatchSize);
|
---|
1705 |
|
---|
1706 | for (int j = 0; j < 4; ++ j)
|
---|
1707 | myfont.DrawString(msg[j], 10.0f, winHeight - 5 - j * 20);
|
---|
1708 | }
|
---|
1709 |
|
---|
1710 | if (showStatistics)
|
---|
1711 | {
|
---|
1712 | glColor3f(1.0f, 1.0f, 0.0f);
|
---|
1713 |
|
---|
1714 | string str;
|
---|
1715 | string str2;
|
---|
1716 |
|
---|
1717 | int len = 10;
|
---|
1718 | CalcDecimalPoint(str, renderedTriangles, len);
|
---|
1719 | CalcDecimalPoint(str2, bvh->GetBvhStats().mTriangles, len);
|
---|
1720 |
|
---|
1721 | int i = 4;
|
---|
1722 |
|
---|
1723 | sprintf(msg[i ++], "rendered: %6d of %6d nodes, %s of %s triangles",
|
---|
1724 | renderedNodes, bvh->GetNumVirtualNodes(), str.c_str(), str2.c_str());
|
---|
1725 |
|
---|
1726 | sprintf(msg[i ++], "traversed: %5d, frustum culled: %5d, query culled: %5d",
|
---|
1727 | traversedNodes, frustumCulledNodes, queryCulledNodes);
|
---|
1728 |
|
---|
1729 | sprintf(msg[i ++], "issued queries: %5d, state changes: %5d, render batches: %5d",
|
---|
1730 | issuedQueries, stateChanges, numBatches);
|
---|
1731 |
|
---|
1732 | for (int j = 4; j < 7; ++ j)
|
---|
1733 | myfont.DrawString(msg[j], 10.0f, winHeight - (j + 1) * 20);
|
---|
1734 | }
|
---|
1735 |
|
---|
1736 | glColor3f(1.0f, 1.0f, 1.0f);
|
---|
1737 | static char *alg_str[] = {"Frustum Cull", "Stop and Wait", "CHC", "CHC ++"};
|
---|
1738 |
|
---|
1739 | if (!showAlgorithmTime)
|
---|
1740 | {
|
---|
1741 | sprintf(msg[7], "%s: %6.1f fps", alg_str[renderMode], fps);
|
---|
1742 | }
|
---|
1743 | else
|
---|
1744 | {
|
---|
1745 | sprintf(msg[7], "%s: %6.1f ms", alg_str[renderMode], rTime);
|
---|
1746 | }
|
---|
1747 |
|
---|
1748 | myfont.DrawString(msg[7], 1.3f, 690.0f, 760.0f);//, top_color, bottom_color);
|
---|
1749 |
|
---|
1750 | //sprintf(msg[8], "algorithm time: %6.1f ms", rTime);
|
---|
1751 | //myfont.DrawString(msg[8], 720.0f, 730.0f);
|
---|
1752 | }
|
---|
1753 |
|
---|
1754 | glDisable(GL_BLEND);
|
---|
1755 | glDisable(GL_TEXTURE_2D);
|
---|
1756 |
|
---|
1757 | End2D();
|
---|
1758 | }
|
---|
1759 |
|
---|
1760 |
|
---|
1761 | void RenderSky()
|
---|
1762 | {
|
---|
1763 | SceneEntityContainer::const_iterator sit, sit_end = skyGeometry.end();
|
---|
1764 |
|
---|
1765 | for (sit = skyGeometry.begin(); sit != sit_end; ++ sit)
|
---|
1766 | (*sit)->Render(&state);
|
---|
1767 | }
|
---|
1768 |
|
---|
1769 |
|
---|
1770 | void RenderVisibleObjects()
|
---|
1771 | {
|
---|
1772 | state.SetRenderType(RenderState::FIXED);
|
---|
1773 | state.Reset();
|
---|
1774 |
|
---|
1775 | glEnable(GL_LIGHTING);
|
---|
1776 | glDepthFunc(GL_LEQUAL);
|
---|
1777 |
|
---|
1778 | //cout << "visible: " << (int)traverser->GetVisibleObjects().size() << endl;
|
---|
1779 |
|
---|
1780 | SceneEntityContainer::const_iterator sit,
|
---|
1781 | sit_end = traverser->GetVisibleObjects().end();
|
---|
1782 |
|
---|
1783 | for (sit = traverser->GetVisibleObjects().begin(); sit != sit_end; ++ sit)
|
---|
1784 | renderQueue->Enqueue(*sit);
|
---|
1785 |
|
---|
1786 | renderQueue->Apply();
|
---|
1787 |
|
---|
1788 | glDepthFunc(GL_LESS);
|
---|
1789 | }
|
---|
1790 |
|
---|
1791 |
|
---|
1792 | void PlaceViewer(const Vector3 &oldPos)
|
---|
1793 | {
|
---|
1794 | Vector3 playerPos = camera->GetPosition();
|
---|
1795 |
|
---|
1796 | bool validIntersect = sceneQuery->CalcIntersection(playerPos);
|
---|
1797 |
|
---|
1798 | if (validIntersect)
|
---|
1799 | // && ((playerPos.z - oldPos.z) < bvh->GetBox().Size(2) * 1e-1f))
|
---|
1800 | {
|
---|
1801 | camera->SetPosition(playerPos);
|
---|
1802 | }
|
---|
1803 | }
|
---|