[2642] | 1 | // occquery.cpp : Defines the entry point for the console application.
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| 2 | //
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[2818] | 3 | #include "glInterface.h"
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[2746] | 4 | #include <math.h>
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| 5 | #include <time.h>
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[2756] | 6 | #include "common.h"
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[2642] | 7 | #include "RenderTraverser.h"
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[2756] | 8 | #include "SceneEntity.h"
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| 9 | #include "Vector3.h"
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| 10 | #include "Matrix4x4.h"
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[2795] | 11 | #include "ResourceManager.h"
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[2756] | 12 | #include "Bvh.h"
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| 13 | #include "Camera.h"
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| 14 | #include "Geometry.h"
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[2760] | 15 | #include "BvhLoader.h"
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| 16 | #include "FrustumCullingTraverser.h"
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[2763] | 17 | #include "StopAndWaitTraverser.h"
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[2764] | 18 | #include "CHCTraverser.h"
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[2767] | 19 | #include "CHCPlusPlusTraverser.h"
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| 20 | #include "Visualization.h"
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[2769] | 21 | #include "RenderState.h"
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[2795] | 22 | #include "Timer/PerfTimer.h"
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[2796] | 23 | #include "SceneQuery.h"
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[2801] | 24 | #include "RenderQueue.h"
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[2819] | 25 | #include "Material.h"
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[2808] | 26 | #include <Cg/cg.h>
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| 27 | #include <Cg/cgGL.h>
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[2826] | 28 | #include "glfont2.h"
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[2827] | 29 | #include "PerformanceGraph.h"
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[2828] | 30 | #include "Environment.h"
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[2837] | 31 | #include "Halton.h"
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[2840] | 32 | #include "Transform3.h"
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[2853] | 33 | #include "SampleGenerator.h"
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[2857] | 34 | #include "FrameBufferObject.h"
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[2861] | 35 | #include "SsaoShader.h"
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| 36 | #include "DeferredShader.h"
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[2887] | 37 | #include "ShadowMapping.h"
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| 38 | #include "Light.h"
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[2642] | 39 |
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| 40 |
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[2756] | 41 | using namespace std;
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[2776] | 42 | using namespace CHCDemoEngine;
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[2642] | 43 |
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| 44 |
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[2828] | 45 | static Environment env;
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| 46 |
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| 47 |
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[2884] | 48 | // fbo
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[2879] | 49 | FrameBufferObject *fbo = NULL;
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[2756] | 50 |
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[2826] | 51 | GLuint fontTex;
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[2810] | 52 |
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[2756] | 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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[2767] | 56 | RenderTraverser *traverser = NULL;
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[2756] | 57 | /// the hierarchy
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[2767] | 58 | Bvh *bvh = NULL;
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[2793] | 59 | /// handles scene loading
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[2795] | 60 | ResourceManager *loader = NULL;
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[2756] | 61 | /// the scene camera
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[2767] | 62 | Camera *camera = NULL;
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[2795] | 63 | /// the scene camera
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| 64 | Camera *visCamera = NULL;
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[2767] | 65 | /// the visualization
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| 66 | Visualization *visualization = NULL;
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[2760] | 67 | /// the current render state
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| 68 | RenderState state;
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[2764] | 69 | /// the rendering algorithm
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[2795] | 70 | int renderMode = RenderTraverser::CHCPLUSPLUS;
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[2756] | 71 | // eye near plane distance
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[2822] | 72 | float nearDist = 0.2f;
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[2856] | 73 | /// the field of view
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| 74 | float fov = 50.0f;
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[2771] | 75 | /// the pixel threshold where a node is still considered invisible
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| 76 | int threshold;
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[2764] | 77 |
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[2776] | 78 | int assumedVisibleFrames = 10;
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| 79 | int maxBatchSize = 50;
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[2771] | 80 |
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[2800] | 81 | int trianglesPerVirtualLeaf = INITIAL_TRIANGLES_PER_VIRTUAL_LEAVES;
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[2767] | 82 |
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[2796] | 83 | SceneQuery *sceneQuery = NULL;
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[2801] | 84 | RenderQueue *renderQueue = NULL;
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[2796] | 85 |
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[2809] | 86 | /// these values get scaled with the frame rate
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[2828] | 87 | static float keyForwardMotion = 30.0f;
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| 88 | static float keyRotation = 1.5f;
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[2801] | 89 |
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[2826] | 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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[2795] | 93 |
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[2809] | 94 | static int winWidth = 1024;
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[2813] | 95 | static int winHeight = 768;
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[2809] | 96 | static float winAspectRatio = 1.0f;
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[2642] | 97 |
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[2776] | 98 | double accumulatedTime = 1000;
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[2770] | 99 | float fps = 1e3f;
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| 100 |
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[2809] | 101 | float myfar = 0;
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| 102 |
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[2826] | 103 | glfont::GLFont myfont;
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| 104 |
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[2809] | 105 | // rendertexture
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[2828] | 106 | static int texWidth = 1024;
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| 107 | static int texHeight = 768;
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[2866] | 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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[2828] | 112 | //static int texWidth = 2048;
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| 113 | //static int texHeight = 2048;
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[2809] | 114 |
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[2770] | 115 | int renderedObjects = 0;
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[2773] | 116 | int renderedNodes = 0;
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| 117 | int renderedTriangles = 0;
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| 118 |
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[2770] | 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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[2800] | 124 | int numBatches = 0;
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[2770] | 125 |
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[2642] | 126 | bool showHelp = false;
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[2826] | 127 | bool showStatistics = false;
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[2865] | 128 | bool showOptions = true;
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[2642] | 129 | bool showBoundingVolumes = false;
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| 130 | bool visMode = false;
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| 131 |
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[2792] | 132 | // mouse navigation state
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[2809] | 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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[2642] | 138 |
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[2770] | 139 | bool useOptimization = false;
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[2786] | 140 | bool useTightBounds = true;
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[2795] | 141 | bool useRenderQueue = true;
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[2786] | 142 | bool useMultiQueries = true;
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[2800] | 143 | bool flyMode = true;
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| 144 |
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[2795] | 145 | SceneEntityContainer skyGeometry;
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| 146 |
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[2792] | 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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[2837] | 151 | bool descendKeyPressed = false;
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| 152 | bool ascendKeyPressed = false;
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[2787] | 153 |
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[2875] | 154 | bool useGlobIllum = false;
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[2821] | 155 | bool useSsao = false;
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[2875] | 156 | bool useTemporalCoherence = true;
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| 157 |
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[2861] | 158 | static float ssaoExpFactor = 0.1f;
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[2821] | 159 |
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[2826] | 160 | bool showAlgorithmTime = false;
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| 161 |
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[2820] | 162 | GLubyte *randomNormals = NULL;
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[2809] | 163 |
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[2819] | 164 | PerfTimer frameTimer, algTimer;
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| 165 |
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[2825] | 166 | int renderType = RenderState::FIXED;
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[2820] | 167 |
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[2827] | 168 | PerformanceGraph *perfGraph = NULL;
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[2825] | 169 |
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[2828] | 170 | bool useFullScreen = false;
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[2827] | 171 |
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[2865] | 172 | bool useLODs = true;
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| 173 |
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[2887] | 174 | int samplingMethod = SsaoShader::POISSON;
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[2865] | 175 |
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[2834] | 176 | static Matrix4x4 matProjectionView = IdentityMatrix();
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[2820] | 177 |
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[2887] | 178 | ShadowMapping *shadowMapping = NULL;
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| 179 | Light *light = NULL;
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[2834] | 180 |
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[2809] | 181 | // function forward declarations
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[2759] | 182 | void InitExtensions();
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[2756] | 183 | void DisplayVisualization();
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[2759] | 184 | void InitGLstate();
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[2809] | 185 | void InitRenderTexture();
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| 186 | void InitCg();
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[2759] | 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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[2764] | 191 | void DisplayStats();
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[2769] | 192 | void Output(int x, int y, const char *string);
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[2786] | 193 | void DrawHelpMessage();
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[2796] | 194 | void RenderSky();
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[2801] | 195 | void RenderVisibleObjects();
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[2756] | 196 |
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[2792] | 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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[2764] | 211 | void ResetTraverser();
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[2642] | 212 |
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[2792] | 213 | void KeyHorizontalMotion(float shift);
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[2794] | 214 | void KeyVerticalMotion(float shift);
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[2642] | 215 |
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[2801] | 216 | void PlaceViewer(const Vector3 &oldPos);
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[2642] | 217 |
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[2801] | 218 |
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[2887] | 219 |
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[2826] | 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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[2792] | 222 |
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[2809] | 223 | void InitFBO();
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[2795] | 224 |
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[2861] | 225 | SsaoShader *ssaoShader = NULL;
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| 226 | DeferredShader *deferredShader = NULL;
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[2810] | 227 |
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[2877] | 228 | static GLenum mrt[] = {GL_COLOR_ATTACHMENT0_EXT, GL_COLOR_ATTACHMENT1_EXT, GL_COLOR_ATTACHMENT2_EXT};
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[2809] | 229 |
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| 230 |
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[2810] | 231 | /////////
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| 232 | //-- cg stuff
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| 233 |
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[2808] | 234 | static CGcontext sCgContext = NULL;
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[2810] | 235 | static CGprogram sCgMrtVertexProgram = NULL;
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[2795] | 236 |
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[2818] | 237 | static CGparameter sModelViewProjMatrixParam;
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[2809] | 238 | static CGparameter sMaxDepthParam;
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[2819] | 239 | static CGparameter sMaxDepthParamTex;
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[2808] | 240 |
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[2861] | 241 | static Matrix4x4 oldViewProjMatrix;
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[2820] | 242 |
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[2837] | 243 |
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[2809] | 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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[2861] | 252 |
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[2809] | 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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[2642] | 273 | int main(int argc, char* argv[])
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| 274 | {
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[2781] | 275 | int returnCode = 0;
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| 276 |
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[2837] | 277 | Vector3 camPos(.0f, .0f, .0f);
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[2838] | 278 | Vector3 camDir(.0f, 1.0f, .0f);
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[2837] | 279 |
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[2873] | 280 | cout << "=== reading environment file ===" << endl << endl;
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[2830] | 281 |
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[2837] | 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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[2828] | 292 |
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[2837] | 293 | env.GetFloatParam(string("keyForwardMotion"), keyForwardMotion);
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| 294 | env.GetFloatParam(string("keyRotation"), keyRotation);
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[2828] | 295 |
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[2837] | 296 | env.GetIntParam(string("winWidth"), winWidth);
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| 297 | env.GetIntParam(string("winHeight"), winHeight);
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[2828] | 298 |
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[2837] | 299 | env.GetBoolParam(string("useFullScreen"), useFullScreen);
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[2861] | 300 | env.GetFloatParam(string("expFactor"), ssaoExpFactor);
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[2837] | 301 | env.GetVectorParam(string("camPosition"), camPos);
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[2838] | 302 | env.GetVectorParam(string("camDirection"), camDir);
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[2828] | 303 |
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[2865] | 304 | env.GetBoolParam(string("useLODs"), useLODs);
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| 305 |
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[2846] | 306 | //env.GetStringParam(string("modelPath"), model_path);
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[2838] | 307 | //env.GetIntParam(string("numSssaoSamples"), numSsaoSamples);
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| 308 |
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[2867] | 309 |
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[2837] | 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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[2828] | 313 |
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[2837] | 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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[2865] | 319 | cout << "useLODs: " << useLODs << endl;
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[2837] | 320 | cout << "camPosition: " << camPos << endl;
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[2861] | 321 | cout << "expFactor: " << ssaoExpFactor << endl;
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[2873] | 322 |
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[2846] | 323 | //cout << "model path: " << model_path << endl;
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[2873] | 324 |
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[2881] | 325 | cout << "**** end parameters ****" << endl << endl;
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[2837] | 326 | }
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[2829] | 327 |
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[2828] | 328 | ///////////////////////////
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| 329 |
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[2795] | 330 | camera = new Camera(winWidth, winHeight, fov);
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| 331 | camera->SetNear(nearDist);
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[2806] | 332 |
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[2887] | 333 | cout << "here2 " << Normalize(camDir) << endl;
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| 334 |
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[2838] | 335 | camera->SetDirection(camDir);
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[2887] | 336 | cout << "here3 " << camera->GetDirection() << endl;
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[2829] | 337 | camera->SetPosition(camPos);
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| 338 |
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[2806] | 339 | visCamera = new Camera(winWidth, winHeight, fov);
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[2781] | 340 |
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[2796] | 341 | visCamera->SetNear(0.0f);
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| 342 | visCamera->Yaw(.5 * M_PI);
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[2781] | 343 |
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[2802] | 344 | renderQueue = new RenderQueue(&state, camera);
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[2801] | 345 |
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[2760] | 346 | glutInitWindowSize(winWidth, winHeight);
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[2756] | 347 | glutInit(&argc, argv);
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[2853] | 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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[2850] | 350 | //glutInitDisplayString("samples=2");
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| 351 |
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[2867] | 352 | SceneEntity::SetUseLODs(useLODs);
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| 353 |
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| 354 |
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[2828] | 355 | if (!useFullScreen)
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[2856] | 356 | {
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[2828] | 357 | glutCreateWindow("FriendlyCulling");
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[2856] | 358 | }
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[2828] | 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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[2792] | 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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[2829] | 375 | // initialise gl graphics
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[2756] | 376 | InitExtensions();
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| 377 | InitGLstate();
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[2850] | 378 |
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[2854] | 379 | glEnable(GL_MULTISAMPLE_ARB);
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| 380 | glHint(GL_MULTISAMPLE_FILTER_HINT_NV, GL_NICEST);
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[2850] | 381 |
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[2792] | 382 | LeftMotion(0, 0);
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| 383 | MiddleMotion(0, 0);
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[2756] | 384 |
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[2829] | 385 | perfGraph = new PerformanceGraph(1000);
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[2756] | 386 |
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[2795] | 387 | loader = new ResourceManager();
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[2793] | 388 |
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[2784] | 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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[2756] | 391 |
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[2793] | 392 | if (loader->Load(filename, sceneEntities))
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[2756] | 393 | cout << "scene " << filename << " loaded" << endl;
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| 394 | else
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[2784] | 395 | {
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[2756] | 396 | cerr << "loading scene " << filename << " failed" << endl;
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[2792] | 397 | CleanUp();
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[2784] | 398 | exit(0);
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| 399 | }
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[2756] | 400 |
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[2795] | 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;
|
---|
| 407 | else
|
---|
| 408 | {
|
---|
| 409 | cerr << "loading sky box " << filename << " failed" << endl;
|
---|
| 410 | CleanUp();
|
---|
| 411 | exit(0);
|
---|
| 412 | }
|
---|
| 413 |
|
---|
[2784] | 414 | const string bvh_filename = string(model_path + "city.bvh");
|
---|
[2760] | 415 | BvhLoader bvhLoader;
|
---|
[2784] | 416 | bvh = bvhLoader.Load(bvh_filename, sceneEntities);
|
---|
[2762] | 417 |
|
---|
[2784] | 418 | if (!bvh)
|
---|
| 419 | {
|
---|
| 420 | cerr << "loading bvh " << bvh_filename << " failed" << endl;
|
---|
[2792] | 421 | CleanUp();
|
---|
[2784] | 422 | exit(0);
|
---|
| 423 | }
|
---|
| 424 |
|
---|
[2829] | 425 | // set far plane based on scene extent
|
---|
| 426 | myfar = 10.0f * Magnitude(bvh->GetBox().Diagonal());
|
---|
| 427 | bvh->SetVirtualLeaves(trianglesPerVirtualLeaf);
|
---|
| 428 |
|
---|
| 429 | bvh->SetCamera(camera);
|
---|
| 430 |
|
---|
[2809] | 431 | InitCg();
|
---|
[2806] | 432 |
|
---|
[2868] | 433 | DeferredShader::Init(sCgContext);
|
---|
[2861] | 434 | SsaoShader::Init(sCgContext);
|
---|
[2887] | 435 | ShadowMapping::Init(sCgContext);
|
---|
[2847] | 436 |
|
---|
[2879] | 437 | //deferredShader = new DeferredShader(texWidth, texHeight);
|
---|
| 438 | //ssaoShader = new SsaoShader(texWidth, texHeight, camera, myfar / 10.0f);
|
---|
[2861] | 439 |
|
---|
[2887] | 440 |
|
---|
[2857] | 441 | // initialize the render traverser
|
---|
[2764] | 442 | ResetTraverser();
|
---|
[2756] | 443 |
|
---|
[2787] | 444 | visualization = new Visualization(bvh, camera, NULL, &state);
|
---|
| 445 |
|
---|
[2843] | 446 | sceneQuery = new SceneQuery(bvh->GetBox(), traverser);
|
---|
[2796] | 447 |
|
---|
[2887] | 448 | light = new Light(Vector3(0, 0, -1), RgbaColor(1, 1, 1, 1));
|
---|
| 449 |
|
---|
| 450 | shadowMapping = new ShadowMapping(bvh->GetBox(), 512);
|
---|
| 451 | shadowMapping->ComputeShadowMap(light, traverser);
|
---|
| 452 |
|
---|
[2847] | 453 | // frame time is restarted every frame
|
---|
| 454 | frameTimer.Start();
|
---|
[2800] | 455 |
|
---|
[2857] | 456 | // the rendering loop
|
---|
[2642] | 457 | glutMainLoop();
|
---|
| 458 |
|
---|
| 459 | // clean up
|
---|
[2756] | 460 | CleanUp();
|
---|
| 461 |
|
---|
[2642] | 462 | return 0;
|
---|
| 463 | }
|
---|
| 464 |
|
---|
[2756] | 465 |
|
---|
[2809] | 466 | void InitCg(void)
|
---|
| 467 | {
|
---|
| 468 | // Setup Cg
|
---|
| 469 | cgSetErrorCallback(cgErrorCallback);
|
---|
| 470 |
|
---|
| 471 | // Create cgContext.
|
---|
| 472 | sCgContext = cgCreateContext();
|
---|
| 473 |
|
---|
| 474 | // get the best profile for this hardware
|
---|
[2818] | 475 | RenderState::sCgFragmentProfile = cgGLGetLatestProfile(CG_GL_FRAGMENT);
|
---|
| 476 | cgGLSetOptimalOptions(RenderState::sCgFragmentProfile);
|
---|
[2809] | 477 |
|
---|
[2818] | 478 | RenderState::sCgVertexProfile = cgGLGetLatestProfile(CG_GL_VERTEX);
|
---|
| 479 | cgGLSetOptimalOptions(RenderState::sCgVertexProfile);
|
---|
[2809] | 480 |
|
---|
[2810] | 481 | sCgMrtVertexProgram =
|
---|
[2809] | 482 | cgCreateProgramFromFile(sCgContext,
|
---|
| 483 | CG_SOURCE,
|
---|
[2810] | 484 | "src/shaders/mrt.cg",
|
---|
[2818] | 485 | RenderState::sCgVertexProfile,
|
---|
[2810] | 486 | "vtx",
|
---|
[2809] | 487 | NULL);
|
---|
| 488 |
|
---|
[2821] | 489 | if (sCgMrtVertexProgram != NULL)
|
---|
[2809] | 490 | {
|
---|
[2810] | 491 | cgGLLoadProgram(sCgMrtVertexProgram);
|
---|
[2818] | 492 |
|
---|
[2840] | 493 | Transform3::sModelMatrixParam = cgGetNamedParameter(sCgMrtVertexProgram, "ModelMatrix");
|
---|
[2818] | 494 | sModelViewProjMatrixParam = cgGetNamedParameter(sCgMrtVertexProgram, "ModelViewProj");
|
---|
[2809] | 495 | }
|
---|
| 496 |
|
---|
[2819] | 497 | RenderState::sCgMrtFragmentTexProgram =
|
---|
[2809] | 498 | cgCreateProgramFromFile(sCgContext,
|
---|
| 499 | CG_SOURCE,
|
---|
[2810] | 500 | "src/shaders/mrt.cg",
|
---|
[2818] | 501 | RenderState::sCgFragmentProfile,
|
---|
[2819] | 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");
|
---|
[2822] | 511 | Material::sAmbientTexParam = cgGetNamedParameter(RenderState::sCgMrtFragmentTexProgram, "ambient");
|
---|
[2819] | 512 |
|
---|
| 513 | cgGLSetParameter1f(sMaxDepthParamTex, 10.0f / myfar);
|
---|
[2834] | 514 | Debug << "maxdepth: " << 10.0f / myfar << endl;
|
---|
[2819] | 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,
|
---|
[2810] | 524 | "frag",
|
---|
[2809] | 525 | NULL);
|
---|
| 526 |
|
---|
[2819] | 527 | if (RenderState::sCgMrtFragmentProgram != NULL)
|
---|
[2809] | 528 | {
|
---|
[2819] | 529 | cgGLLoadProgram(RenderState::sCgMrtFragmentProgram);
|
---|
[2809] | 530 |
|
---|
[2819] | 531 | sMaxDepthParam = cgGetNamedParameter(RenderState::sCgMrtFragmentProgram, "maxDepth");
|
---|
| 532 | Material::sDiffuseParam = cgGetNamedParameter(RenderState::sCgMrtFragmentProgram, "diffuse");
|
---|
[2822] | 533 | Material::sAmbientParam = cgGetNamedParameter(RenderState::sCgMrtFragmentProgram, "ambient");
|
---|
[2818] | 534 |
|
---|
| 535 | cgGLSetParameter1f(sMaxDepthParam, 10.0f / myfar);
|
---|
[2809] | 536 | }
|
---|
| 537 | else
|
---|
[2819] | 538 | cerr << "fragment program failed to load" << endl;
|
---|
[2809] | 539 |
|
---|
| 540 | PrintGLerror("init");
|
---|
[2818] | 541 |
|
---|
[2834] | 542 | cout << "cg initialization successful" << endl;
|
---|
[2809] | 543 | }
|
---|
| 544 |
|
---|
| 545 |
|
---|
| 546 | void InitFBO()
|
---|
[2810] | 547 | {
|
---|
[2857] | 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)
|
---|
[2884] | 550 | fbo = new FrameBufferObject(texWidth, texHeight, FrameBufferObject::DEPTH_32);
|
---|
[2857] | 551 |
|
---|
[2859] | 552 | // the diffuse color buffer
|
---|
[2874] | 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);
|
---|
[2868] | 555 |
|
---|
[2859] | 556 | // the positions buffer
|
---|
[2867] | 557 | fbo->AddColorBuffer(ColorBufferObject::BUFFER_FLOAT_32, ColorBufferObject::WRAP_CLAMP_TO_EDGE, ColorBufferObject::FILTER_MIPMAP_LINEAR, true);
|
---|
[2873] | 558 | //fbo->AddColorBuffer(ColorBufferObject::BUFFER_FLOAT_32, ColorBufferObject::WRAP_CLAMP_TO_EDGE, ColorBufferObject::FILTER_NEAREST, false);
|
---|
[2868] | 559 |
|
---|
[2859] | 560 | // the normals buffer
|
---|
[2867] | 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);
|
---|
[2857] | 563 |
|
---|
[2879] | 564 | // another color buffer
|
---|
[2884] | 565 | fbo->AddColorBuffer(ColorBufferObject::BUFFER_FLOAT_32, ColorBufferObject::WRAP_CLAMP_TO_EDGE, ColorBufferObject::FILTER_NEAREST, false);
|
---|
[2879] | 566 |
|
---|
[2810] | 567 | PrintGLerror("fbo");
|
---|
[2809] | 568 | }
|
---|
| 569 |
|
---|
| 570 |
|
---|
[2827] | 571 | bool InitFont(void)
|
---|
[2642] | 572 | {
|
---|
[2826] | 573 | glEnable(GL_TEXTURE_2D);
|
---|
| 574 |
|
---|
| 575 | glGenTextures(1, &fontTex);
|
---|
| 576 | glBindTexture(GL_TEXTURE_2D, fontTex);
|
---|
[2829] | 577 | if (!myfont.Create("data/fonts/verdana.glf", fontTex))
|
---|
[2826] | 578 | return false;
|
---|
| 579 |
|
---|
| 580 | glDisable(GL_TEXTURE_2D);
|
---|
[2827] | 581 |
|
---|
[2826] | 582 | return true;
|
---|
| 583 | }
|
---|
| 584 |
|
---|
| 585 |
|
---|
| 586 | void InitGLstate()
|
---|
| 587 | {
|
---|
[2879] | 588 | glClearColor(0.0f, 0.0, 0.2f, 0.0f);
|
---|
[2642] | 589 |
|
---|
| 590 | glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
|
---|
| 591 | glPixelStorei(GL_PACK_ALIGNMENT,1);
|
---|
| 592 |
|
---|
| 593 | glDepthFunc(GL_LESS);
|
---|
[2762] | 594 | glEnable(GL_DEPTH_TEST);
|
---|
[2642] | 595 |
|
---|
[2759] | 596 | SetupLighting();
|
---|
[2642] | 597 |
|
---|
[2760] | 598 | glColor3f(1.0f, 1.0f, 1.0f);
|
---|
[2642] | 599 | glShadeModel(GL_SMOOTH);
|
---|
| 600 |
|
---|
| 601 | glMaterialf(GL_FRONT, GL_SHININESS, 64);
|
---|
| 602 | glEnable(GL_NORMALIZE);
|
---|
[2767] | 603 |
|
---|
| 604 | //glEnable(GL_ALPHA_TEST);
|
---|
| 605 | glDisable(GL_ALPHA_TEST);
|
---|
[2844] | 606 | glAlphaFunc(GL_GEQUAL, 0.8f);
|
---|
[2767] | 607 |
|
---|
[2642] | 608 | glFrontFace(GL_CCW);
|
---|
| 609 | glCullFace(GL_BACK);
|
---|
[2851] | 610 | glEnable(GL_CULL_FACE);
|
---|
| 611 |
|
---|
| 612 | //glDisable(GL_CULL_FACE);
|
---|
[2800] | 613 | glDisable(GL_TEXTURE_2D);
|
---|
[2762] | 614 |
|
---|
[2756] | 615 | GLfloat ambientColor[] = {0.5, 0.5, 0.5, 1.0};
|
---|
| 616 | GLfloat diffuseColor[] = {1.0, 0.0, 0.0, 1.0};
|
---|
[2759] | 617 | GLfloat specularColor[] = {0.0, 0.0, 0.0, 1.0};
|
---|
[2642] | 618 |
|
---|
[2756] | 619 | glMaterialfv(GL_FRONT, GL_AMBIENT, ambientColor);
|
---|
| 620 | glMaterialfv(GL_FRONT, GL_DIFFUSE, diffuseColor);
|
---|
| 621 | glMaterialfv(GL_FRONT, GL_SPECULAR, specularColor);
|
---|
[2801] | 622 |
|
---|
| 623 | glDepthFunc(GL_LESS);
|
---|
[2826] | 624 |
|
---|
[2827] | 625 | if (!InitFont())
|
---|
[2826] | 626 | cerr << "font creation failed" << endl;
|
---|
| 627 | else
|
---|
| 628 | cout << "successfully created font" << endl;
|
---|
[2642] | 629 | }
|
---|
| 630 |
|
---|
| 631 |
|
---|
[2827] | 632 | void DrawHelpMessage()
|
---|
[2826] | 633 | {
|
---|
[2642] | 634 | const char *message[] =
|
---|
| 635 | {
|
---|
| 636 | "Help information",
|
---|
| 637 | "",
|
---|
| 638 | "'F1' - shows/dismisses this message",
|
---|
[2795] | 639 | "'F2' - shows/hides bird eye view",
|
---|
[2790] | 640 | "'F3' - shows/hides bounds (boxes or tight bounds)",
|
---|
[2827] | 641 | "'F4', - shows/hides parameters",
|
---|
| 642 | "'F5' - shows/hides statistics",
|
---|
| 643 | "'F6', - toggles between fly/walkmode",
|
---|
[2826] | 644 | "'F7', - cycles throw render modes",
|
---|
| 645 | "'F8', - enables/disables ambient occlusion (only deferred)",
|
---|
| 646 | "'F9', - shows pure algorithm render time (using glFinish)",
|
---|
[2790] | 647 | "'SPACE' - cycles through occlusion culling algorithms",
|
---|
[2642] | 648 | "",
|
---|
[2827] | 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",
|
---|
[2642] | 654 | "",
|
---|
[2827] | 655 | "'-'/'+' - decreases/increases max batch size",
|
---|
[2837] | 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",
|
---|
[2776] | 659 | "",
|
---|
[2786] | 660 | "'R' - use render queue",
|
---|
[2790] | 661 | "'B' - use tight bounds",
|
---|
| 662 | "'M' - use multiqueries",
|
---|
[2792] | 663 | "'O' - use CHC optimization (geometry queries for leaves)",
|
---|
[2642] | 664 | 0,
|
---|
| 665 | };
|
---|
| 666 |
|
---|
[2756] | 667 |
|
---|
[2827] | 668 | glColor4f(0.0f, 1.0f , 0.0f, 0.2f); // 20% green.
|
---|
[2756] | 669 |
|
---|
[2827] | 670 | glRecti(30, 30, winWidth - 30, winHeight - 30);
|
---|
[2642] | 671 |
|
---|
[2827] | 672 | glEnd();
|
---|
| 673 |
|
---|
[2756] | 674 | glColor3f(1.0f, 1.0f, 1.0f);
|
---|
| 675 |
|
---|
[2829] | 676 | glEnable(GL_TEXTURE_2D);
|
---|
[2827] | 677 | myfont.Begin();
|
---|
| 678 |
|
---|
| 679 | int x = 40, y = 30;
|
---|
| 680 |
|
---|
| 681 | for(int i = 0; message[i] != 0; ++ i)
|
---|
[2756] | 682 | {
|
---|
| 683 | if(message[i][0] == '\0')
|
---|
| 684 | {
|
---|
[2786] | 685 | y += 15;
|
---|
[2756] | 686 | }
|
---|
| 687 | else
|
---|
| 688 | {
|
---|
[2827] | 689 | myfont.DrawString(message[i], x, winHeight - y);
|
---|
| 690 | y += 25;
|
---|
[2642] | 691 | }
|
---|
| 692 | }
|
---|
[2829] | 693 | glDisable(GL_TEXTURE_2D);
|
---|
[2642] | 694 | }
|
---|
| 695 |
|
---|
| 696 |
|
---|
[2764] | 697 | void ResetTraverser()
|
---|
| 698 | {
|
---|
| 699 | DEL_PTR(traverser);
|
---|
| 700 |
|
---|
[2771] | 701 | bvh->ResetNodeClassifications();
|
---|
| 702 |
|
---|
[2764] | 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;
|
---|
[2767] | 714 | case RenderTraverser::CHCPLUSPLUS:
|
---|
| 715 | traverser = new CHCPlusPlusTraverser();
|
---|
| 716 | break;
|
---|
| 717 |
|
---|
[2764] | 718 | default:
|
---|
| 719 | traverser = new FrustumCullingTraverser();
|
---|
| 720 | }
|
---|
| 721 |
|
---|
[2767] | 722 | traverser->SetCamera(camera);
|
---|
[2764] | 723 | traverser->SetHierarchy(bvh);
|
---|
[2801] | 724 | traverser->SetRenderQueue(renderQueue);
|
---|
[2764] | 725 | traverser->SetRenderState(&state);
|
---|
[2770] | 726 | traverser->SetUseOptimization(useOptimization);
|
---|
| 727 | traverser->SetUseRenderQueue(useRenderQueue);
|
---|
| 728 | traverser->SetVisibilityThreshold(threshold);
|
---|
[2776] | 729 | traverser->SetAssumedVisibleFrames(assumedVisibleFrames);
|
---|
| 730 | traverser->SetMaxBatchSize(maxBatchSize);
|
---|
| 731 | traverser->SetUseMultiQueries(useMultiQueries);
|
---|
[2786] | 732 | traverser->SetUseTightBounds(useTightBounds);
|
---|
[2825] | 733 | traverser->SetUseDepthPass(renderType == RenderState::DEPTH_PASS);
|
---|
[2801] | 734 | traverser->SetRenderQueue(renderQueue);
|
---|
[2764] | 735 | }
|
---|
| 736 |
|
---|
| 737 |
|
---|
[2759] | 738 | void SetupLighting()
|
---|
[2642] | 739 | {
|
---|
[2759] | 740 | glEnable(GL_LIGHTING);
|
---|
| 741 | glEnable(GL_LIGHT0);
|
---|
[2825] | 742 | glEnable(GL_LIGHT1);
|
---|
| 743 |
|
---|
[2759] | 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 |
|
---|
[2825] | 748 | GLfloat lmodel_ambient[] = {0.3f, 0.3f, 0.3f, 1.0f};
|
---|
[2759] | 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 |
|
---|
[2825] | 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};
|
---|
[2759] | 762 |
|
---|
| 763 | glLightfv(GL_LIGHT1, GL_AMBIENT, ambient1);
|
---|
| 764 | glLightfv(GL_LIGHT1, GL_DIFFUSE, diffuse1);
|
---|
| 765 | glLightfv(GL_LIGHT1, GL_SPECULAR, specular1);
|
---|
[2825] | 766 |
|
---|
[2759] | 767 |
|
---|
[2825] | 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};
|
---|
[2759] | 774 | glLightfv(GL_LIGHT1, GL_POSITION, position1);
|
---|
| 775 |
|
---|
| 776 | glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
|
---|
[2801] | 777 | glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);
|
---|
[2759] | 778 | glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL_EXT, GL_SINGLE_COLOR_EXT);
|
---|
[2642] | 779 | }
|
---|
| 780 |
|
---|
[2800] | 781 |
|
---|
[2795] | 782 | void SetupEyeView()
|
---|
[2642] | 783 | {
|
---|
[2861] | 784 | // store matrix of last frame
|
---|
| 785 | oldViewProjMatrix = matProjectionView;
|
---|
[2834] | 786 |
|
---|
[2759] | 787 | glMatrixMode(GL_PROJECTION);
|
---|
| 788 | glLoadIdentity();
|
---|
| 789 |
|
---|
[2833] | 790 | gluPerspective(fov, winAspectRatio, nearDist, myfar);
|
---|
[2759] | 791 |
|
---|
[2756] | 792 | glMatrixMode(GL_MODELVIEW);
|
---|
[2795] | 793 | glLoadIdentity();
|
---|
[2864] | 794 |
|
---|
| 795 | // set up the camera view
|
---|
[2760] | 796 | camera->SetupCameraView();
|
---|
| 797 |
|
---|
[2864] | 798 | // set lights
|
---|
[2825] | 799 | GLfloat position[] = {0.8f, -1.0f, 0.7f, 0.0f};
|
---|
[2759] | 800 | glLightfv(GL_LIGHT0, GL_POSITION, position);
|
---|
| 801 |
|
---|
[2825] | 802 | GLfloat position1[] = {-0.5f, 0.5f, 0.4f, 0.0f};
|
---|
[2759] | 803 | glLightfv(GL_LIGHT1, GL_POSITION, position1);
|
---|
[2825] | 804 |
|
---|
| 805 |
|
---|
[2864] | 806 | /////////////////
|
---|
| 807 |
|
---|
| 808 | Matrix4x4 matViewing, matProjection;
|
---|
| 809 |
|
---|
[2834] | 810 | camera->GetModelViewMatrix(matViewing);
|
---|
| 811 | camera->GetProjectionMatrix(matProjection);
|
---|
| 812 |
|
---|
[2864] | 813 | // store matrix for later use
|
---|
[2834] | 814 | matProjectionView = matViewing * matProjection;
|
---|
| 815 |
|
---|
[2825] | 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();
|
---|
[2840] | 824 | cgGLSetMatrixParameterfc(Transform3::sModelMatrixParam, (const float *)identity.x);
|
---|
[2834] | 825 | }
|
---|
[2642] | 826 | }
|
---|
| 827 |
|
---|
| 828 |
|
---|
[2792] | 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 |
|
---|
[2794] | 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 |
|
---|
[2857] | 852 | // the main rendering loop
|
---|
[2792] | 853 | void Display()
|
---|
[2801] | 854 | {
|
---|
[2800] | 855 | Vector3 oldPos = camera->GetPosition();
|
---|
| 856 |
|
---|
[2792] | 857 | if (leftKeyPressed)
|
---|
[2795] | 858 | camera->Pitch(KeyRotationAngle());
|
---|
[2792] | 859 | if (rightKeyPressed)
|
---|
[2795] | 860 | camera->Pitch(-KeyRotationAngle());
|
---|
[2792] | 861 | if (upKeyPressed)
|
---|
[2887] | 862 | KeyHorizontalMotion(-KeyShift());
|
---|
| 863 | if (downKeyPressed)
|
---|
[2795] | 864 | KeyHorizontalMotion(KeyShift());
|
---|
[2837] | 865 | if (ascendKeyPressed)
|
---|
| 866 | KeyVerticalMotion(KeyShift());
|
---|
| 867 | if (descendKeyPressed)
|
---|
[2795] | 868 | KeyVerticalMotion(-KeyShift());
|
---|
[2792] | 869 |
|
---|
[2801] | 870 | // place view on ground
|
---|
| 871 | if (!flyMode) PlaceViewer(oldPos);
|
---|
[2800] | 872 |
|
---|
[2826] | 873 | if (showAlgorithmTime)
|
---|
| 874 | {
|
---|
| 875 | glFinish();
|
---|
| 876 | algTimer.Start();
|
---|
| 877 | }
|
---|
[2809] | 878 |
|
---|
[2887] | 879 |
|
---|
| 880 | //shadowMapping->ComputeShadowMap(light, traverser);
|
---|
| 881 |
|
---|
| 882 |
|
---|
| 883 |
|
---|
[2825] | 884 | // render without shading
|
---|
| 885 | switch (renderType)
|
---|
| 886 | {
|
---|
| 887 | case RenderState::FIXED:
|
---|
| 888 |
|
---|
[2851] | 889 | glEnable(GL_MULTISAMPLE_ARB);
|
---|
[2879] | 890 |
|
---|
[2825] | 891 | state.SetRenderType(RenderState::FIXED);
|
---|
| 892 | glEnable(GL_LIGHTING);
|
---|
[2809] | 893 |
|
---|
[2825] | 894 | cgGLDisableProfile(RenderState::sCgFragmentProfile);
|
---|
| 895 | cgGLDisableProfile(RenderState::sCgVertexProfile);
|
---|
[2809] | 896 |
|
---|
[2829] | 897 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
---|
| 898 |
|
---|
[2825] | 899 | break;
|
---|
| 900 |
|
---|
| 901 | case RenderState::DEPTH_PASS:
|
---|
[2851] | 902 |
|
---|
| 903 | glEnable(GL_MULTISAMPLE_ARB);
|
---|
[2879] | 904 |
|
---|
[2857] | 905 | cgGLDisableProfile(RenderState::sCgFragmentProfile);
|
---|
| 906 | cgGLDisableProfile(RenderState::sCgVertexProfile);
|
---|
| 907 |
|
---|
[2825] | 908 | state.SetRenderType(RenderState::DEPTH_PASS);
|
---|
[2857] | 909 |
|
---|
| 910 | // the scene is rendered withouth any shading
|
---|
[2825] | 911 | glDisable(GL_LIGHTING);
|
---|
[2809] | 912 |
|
---|
[2829] | 913 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
---|
| 914 |
|
---|
| 915 | glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
|
---|
| 916 |
|
---|
[2825] | 917 | break;
|
---|
| 918 |
|
---|
| 919 | case RenderState::DEFERRED:
|
---|
[2851] | 920 |
|
---|
[2879] | 921 | if (!fbo) InitFBO();
|
---|
| 922 |
|
---|
[2878] | 923 | // multisampling does not work with deferred shading
|
---|
[2851] | 924 | glDisable(GL_MULTISAMPLE_ARB);
|
---|
| 925 |
|
---|
[2825] | 926 | state.SetRenderType(RenderState::DEFERRED);
|
---|
| 927 |
|
---|
[2861] | 928 | fbo->Bind();
|
---|
[2825] | 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 |
|
---|
[2861] | 939 | /// draw to 3 color buffers
|
---|
[2825] | 940 | glDrawBuffers(3, mrt);
|
---|
| 941 |
|
---|
[2829] | 942 | glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
---|
| 943 |
|
---|
[2825] | 944 | break;
|
---|
| 945 | }
|
---|
| 946 |
|
---|
[2642] | 947 |
|
---|
[2801] | 948 | glDepthFunc(GL_LESS);
|
---|
[2825] | 949 |
|
---|
[2801] | 950 | glDisable(GL_TEXTURE_2D);
|
---|
| 951 | glDisableClientState(GL_TEXTURE_COORD_ARRAY);
|
---|
[2825] | 952 |
|
---|
[2801] | 953 |
|
---|
[2861] | 954 | // reset lod levels for current frame
|
---|
[2847] | 955 | LODLevel::InitFrame(camera->GetPosition());
|
---|
| 956 |
|
---|
| 957 |
|
---|
[2756] | 958 | // bring eye modelview matrix up-to-date
|
---|
| 959 | SetupEyeView();
|
---|
[2642] | 960 |
|
---|
[2767] | 961 | // actually render the scene geometry using one of the specified algorithms
|
---|
| 962 | traverser->RenderScene();
|
---|
[2795] | 963 |
|
---|
[2801] | 964 |
|
---|
[2826] | 965 |
|
---|
[2825] | 966 | /////////
|
---|
[2809] | 967 | //-- do the rest of the rendering
|
---|
[2801] | 968 |
|
---|
| 969 | glEnableClientState(GL_VERTEX_ARRAY);
|
---|
| 970 | glEnableClientState(GL_NORMAL_ARRAY);
|
---|
| 971 |
|
---|
| 972 |
|
---|
| 973 | // reset depth pass and render visible objects
|
---|
[2825] | 974 | if (renderType == RenderState::DEPTH_PASS)
|
---|
[2801] | 975 | {
|
---|
[2829] | 976 | glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
|
---|
[2801] | 977 | RenderVisibleObjects();
|
---|
| 978 | }
|
---|
[2764] | 979 |
|
---|
[2801] | 980 |
|
---|
[2796] | 981 | ///////////////
|
---|
| 982 | //-- render sky
|
---|
[2795] | 983 |
|
---|
[2796] | 984 | RenderSky();
|
---|
[2801] | 985 |
|
---|
| 986 | state.Reset();
|
---|
| 987 |
|
---|
| 988 | glDisableClientState(GL_VERTEX_ARRAY);
|
---|
| 989 | glDisableClientState(GL_NORMAL_ARRAY);
|
---|
| 990 |
|
---|
[2857] | 991 |
|
---|
[2825] | 992 | if (renderType == RenderState::DEFERRED)
|
---|
| 993 | {
|
---|
[2881] | 994 | FrameBufferObject::Release();
|
---|
[2810] | 995 |
|
---|
[2825] | 996 | cgGLDisableProfile(RenderState::sCgVertexProfile);
|
---|
| 997 | cgGLDisableProfile(RenderState::sCgFragmentProfile);
|
---|
[2809] | 998 |
|
---|
[2861] | 999 | if (useSsao)
|
---|
[2879] | 1000 | {
|
---|
| 1001 | if (!ssaoShader) ssaoShader = new SsaoShader(texWidth, texHeight, camera, myfar / 10.0f);
|
---|
| 1002 | //DEL_PTR(deferredShader);
|
---|
[2861] | 1003 | ssaoShader->Render(fbo, oldViewProjMatrix, ssaoExpFactor);
|
---|
[2879] | 1004 |
|
---|
| 1005 | }
|
---|
[2861] | 1006 | else
|
---|
[2879] | 1007 | {
|
---|
| 1008 | if (!deferredShader) deferredShader = new DeferredShader(texWidth, texHeight);
|
---|
| 1009 | //DEL_PTR(ssaoShader);
|
---|
[2861] | 1010 | deferredShader->Render(fbo);
|
---|
[2879] | 1011 | }
|
---|
[2825] | 1012 | }
|
---|
[2879] | 1013 | else
|
---|
| 1014 | {
|
---|
| 1015 | /*DEL_PTR(fbo);
|
---|
| 1016 | DEL_PTR(ssaoShader);
|
---|
| 1017 | DEL_PTR(deferredShader);
|
---|
| 1018 | */
|
---|
| 1019 | }
|
---|
[2827] | 1020 |
|
---|
| 1021 | ///////////
|
---|
| 1022 |
|
---|
| 1023 | state.SetRenderType(RenderState::FIXED);
|
---|
| 1024 |
|
---|
[2826] | 1025 | if (showAlgorithmTime)
|
---|
| 1026 | {
|
---|
| 1027 | glFinish();
|
---|
[2827] | 1028 |
|
---|
[2826] | 1029 | algTime = algTimer.Elapsedms();
|
---|
[2827] | 1030 | perfGraph->AddData(algTime);
|
---|
[2828] | 1031 |
|
---|
[2827] | 1032 | perfGraph->Draw();
|
---|
[2826] | 1033 | }
|
---|
[2827] | 1034 | else
|
---|
| 1035 | {
|
---|
| 1036 | if (visMode) DisplayVisualization();
|
---|
| 1037 | }
|
---|
[2825] | 1038 |
|
---|
[2884] | 1039 | glFlush();
|
---|
[2847] | 1040 |
|
---|
| 1041 | const bool restart = true;
|
---|
| 1042 | elapsedTime = frameTimer.Elapsedms(restart);
|
---|
| 1043 |
|
---|
[2764] | 1044 | DisplayStats();
|
---|
[2767] | 1045 |
|
---|
[2642] | 1046 | glutSwapBuffers();
|
---|
| 1047 | }
|
---|
| 1048 |
|
---|
| 1049 |
|
---|
| 1050 | #pragma warning( disable : 4100 )
|
---|
[2792] | 1051 | void KeyBoard(unsigned char c, int x, int y)
|
---|
[2642] | 1052 | {
|
---|
| 1053 | switch(c)
|
---|
| 1054 | {
|
---|
| 1055 | case 27:
|
---|
[2792] | 1056 | CleanUp();
|
---|
[2642] | 1057 | exit(0);
|
---|
| 1058 | break;
|
---|
| 1059 | case 32: //space
|
---|
[2800] | 1060 | renderMode = (renderMode + 1) % RenderTraverser::NUM_TRAVERSAL_TYPES;
|
---|
[2764] | 1061 | ResetTraverser();
|
---|
[2642] | 1062 | break;
|
---|
| 1063 | case 'h':
|
---|
| 1064 | case 'H':
|
---|
| 1065 | showHelp = !showHelp;
|
---|
| 1066 | break;
|
---|
| 1067 | case '+':
|
---|
[2867] | 1068 | if (maxBatchSize < 10)
|
---|
| 1069 | maxBatchSize = 10;
|
---|
| 1070 | else
|
---|
| 1071 | maxBatchSize += 10;
|
---|
| 1072 |
|
---|
[2776] | 1073 | traverser->SetMaxBatchSize(maxBatchSize);
|
---|
[2642] | 1074 | break;
|
---|
| 1075 | case '-':
|
---|
[2776] | 1076 | maxBatchSize -= 10;
|
---|
| 1077 | if (maxBatchSize < 0) maxBatchSize = 1;
|
---|
| 1078 | traverser->SetMaxBatchSize(maxBatchSize);
|
---|
[2642] | 1079 | break;
|
---|
[2837] | 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':
|
---|
[2776] | 1101 | assumedVisibleFrames -= 1;
|
---|
| 1102 | if (assumedVisibleFrames < 1) assumedVisibleFrames = 1;
|
---|
| 1103 | traverser->SetAssumedVisibleFrames(assumedVisibleFrames);
|
---|
| 1104 | break;
|
---|
[2837] | 1105 | case '6':
|
---|
[2776] | 1106 | assumedVisibleFrames += 1;
|
---|
| 1107 | traverser->SetAssumedVisibleFrames(assumedVisibleFrames);
|
---|
| 1108 | break;
|
---|
[2837] | 1109 | case '7':
|
---|
[2861] | 1110 | ssaoExpFactor *= 0.5f;
|
---|
[2776] | 1111 | break;
|
---|
[2767] | 1112 | case '8':
|
---|
[2861] | 1113 | ssaoExpFactor *= 2.0f;
|
---|
| 1114 | if (ssaoExpFactor > 1.0f) ssaoExpFactor = 1.0f;
|
---|
[2837] | 1115 | break;
|
---|
[2865] | 1116 | case '9':
|
---|
| 1117 | useLODs = !useLODs;
|
---|
| 1118 | SceneEntity::SetUseLODs(useLODs);
|
---|
| 1119 | break;
|
---|
[2887] | 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;
|
---|
[2875] | 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;
|
---|
[2792] | 1140 | case 'o':
|
---|
| 1141 | case 'O':
|
---|
[2642] | 1142 | useOptimization = !useOptimization;
|
---|
[2764] | 1143 | traverser->SetUseOptimization(useOptimization);
|
---|
[2767] | 1144 | break;
|
---|
| 1145 | case 'a':
|
---|
| 1146 | case 'A':
|
---|
[2792] | 1147 | leftKeyPressed = true;
|
---|
[2767] | 1148 | break;
|
---|
| 1149 | case 'd':
|
---|
| 1150 | case 'D':
|
---|
[2792] | 1151 | rightKeyPressed = true;
|
---|
[2767] | 1152 | break;
|
---|
| 1153 | case 'w':
|
---|
| 1154 | case 'W':
|
---|
[2792] | 1155 | upKeyPressed = true;
|
---|
[2767] | 1156 | break;
|
---|
[2829] | 1157 | case 's':
|
---|
| 1158 | case 'S':
|
---|
[2792] | 1159 | downKeyPressed = true;
|
---|
[2767] | 1160 | break;
|
---|
| 1161 | case 'r':
|
---|
| 1162 | case 'R':
|
---|
| 1163 | {
|
---|
| 1164 | useRenderQueue = !useRenderQueue;
|
---|
| 1165 | traverser->SetUseRenderQueue(useRenderQueue);
|
---|
| 1166 | }
|
---|
[2790] | 1167 | break;
|
---|
[2786] | 1168 | case 'b':
|
---|
| 1169 | case 'B':
|
---|
| 1170 | {
|
---|
| 1171 | useTightBounds = !useTightBounds;
|
---|
| 1172 | traverser->SetUseTightBounds(useTightBounds);
|
---|
| 1173 | }
|
---|
[2790] | 1174 | break;
|
---|
[2642] | 1175 | default:
|
---|
| 1176 | return;
|
---|
| 1177 | }
|
---|
| 1178 |
|
---|
| 1179 | glutPostRedisplay();
|
---|
| 1180 | }
|
---|
| 1181 |
|
---|
| 1182 |
|
---|
[2792] | 1183 | void SpecialKeyUp(int c, int x, int y)
|
---|
[2642] | 1184 | {
|
---|
[2792] | 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 | {
|
---|
[2879] | 1210 |
|
---|
[2792] | 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;
|
---|
[2829] | 1223 | case 'S':
|
---|
| 1224 | case 's':
|
---|
[2792] | 1225 | downKeyPressed = false;
|
---|
| 1226 | break;
|
---|
[2837] | 1227 | case '1':
|
---|
| 1228 | descendKeyPressed = false;
|
---|
[2794] | 1229 | break;
|
---|
[2837] | 1230 | case '2':
|
---|
| 1231 | ascendKeyPressed = false;
|
---|
[2794] | 1232 | break;
|
---|
| 1233 |
|
---|
[2792] | 1234 | default:
|
---|
| 1235 | return;
|
---|
| 1236 | }
|
---|
| 1237 | //glutPostRedisplay();
|
---|
| 1238 | }
|
---|
| 1239 |
|
---|
| 1240 |
|
---|
| 1241 | void Special(int c, int x, int y)
|
---|
| 1242 | {
|
---|
[2642] | 1243 | switch(c)
|
---|
| 1244 | {
|
---|
| 1245 | case GLUT_KEY_F1:
|
---|
| 1246 | showHelp = !showHelp;
|
---|
| 1247 | break;
|
---|
[2790] | 1248 | case GLUT_KEY_F2:
|
---|
[2795] | 1249 | visMode = !visMode;
|
---|
[2790] | 1250 | break;
|
---|
| 1251 | case GLUT_KEY_F3:
|
---|
| 1252 | showBoundingVolumes = !showBoundingVolumes;
|
---|
| 1253 | traverser->SetShowBounds(showBoundingVolumes);
|
---|
| 1254 | break;
|
---|
| 1255 | case GLUT_KEY_F4:
|
---|
[2827] | 1256 | showOptions = !showOptions;
|
---|
[2790] | 1257 | break;
|
---|
| 1258 | case GLUT_KEY_F5:
|
---|
[2827] | 1259 | showStatistics = !showStatistics;
|
---|
[2790] | 1260 | break;
|
---|
[2800] | 1261 | case GLUT_KEY_F6:
|
---|
| 1262 | flyMode = !flyMode;
|
---|
| 1263 | break;
|
---|
[2801] | 1264 | case GLUT_KEY_F7:
|
---|
[2825] | 1265 |
|
---|
| 1266 | renderType = (renderType + 1) % 3;
|
---|
| 1267 | traverser->SetUseDepthPass(renderType == RenderState::DEPTH_PASS);
|
---|
| 1268 |
|
---|
[2801] | 1269 | break;
|
---|
[2803] | 1270 | case GLUT_KEY_F8:
|
---|
[2821] | 1271 | useSsao = !useSsao;
|
---|
| 1272 | break;
|
---|
[2826] | 1273 | case GLUT_KEY_F9:
|
---|
| 1274 | showAlgorithmTime = !showAlgorithmTime;
|
---|
| 1275 | break;
|
---|
| 1276 |
|
---|
[2642] | 1277 | case GLUT_KEY_LEFT:
|
---|
[2767] | 1278 | {
|
---|
[2792] | 1279 | leftKeyPressed = true;
|
---|
[2795] | 1280 | camera->Pitch(KeyRotationAngle());
|
---|
[2767] | 1281 | }
|
---|
[2642] | 1282 | break;
|
---|
| 1283 | case GLUT_KEY_RIGHT:
|
---|
[2767] | 1284 | {
|
---|
[2792] | 1285 | rightKeyPressed = true;
|
---|
[2795] | 1286 | camera->Pitch(-KeyRotationAngle());
|
---|
[2767] | 1287 | }
|
---|
[2642] | 1288 | break;
|
---|
| 1289 | case GLUT_KEY_UP:
|
---|
[2767] | 1290 | {
|
---|
[2792] | 1291 | upKeyPressed = true;
|
---|
[2795] | 1292 | KeyHorizontalMotion(KeyShift());
|
---|
[2767] | 1293 | }
|
---|
[2642] | 1294 | break;
|
---|
| 1295 | case GLUT_KEY_DOWN:
|
---|
[2767] | 1296 | {
|
---|
[2792] | 1297 | downKeyPressed = true;
|
---|
[2795] | 1298 | KeyHorizontalMotion(-KeyShift());
|
---|
[2767] | 1299 | }
|
---|
[2642] | 1300 | break;
|
---|
| 1301 | default:
|
---|
| 1302 | return;
|
---|
| 1303 |
|
---|
| 1304 | }
|
---|
| 1305 |
|
---|
| 1306 | glutPostRedisplay();
|
---|
| 1307 | }
|
---|
[2767] | 1308 |
|
---|
[2642] | 1309 | #pragma warning( default : 4100 )
|
---|
| 1310 |
|
---|
| 1311 |
|
---|
[2792] | 1312 | void Reshape(int w, int h)
|
---|
[2642] | 1313 | {
|
---|
[2759] | 1314 | winAspectRatio = 1.0f;
|
---|
[2642] | 1315 |
|
---|
| 1316 | glViewport(0, 0, w, h);
|
---|
| 1317 |
|
---|
| 1318 | winWidth = w;
|
---|
| 1319 | winHeight = h;
|
---|
| 1320 |
|
---|
[2833] | 1321 | if (w) winAspectRatio = (float) w / (float) h;
|
---|
[2642] | 1322 |
|
---|
[2758] | 1323 | glMatrixMode(GL_PROJECTION);
|
---|
| 1324 | glLoadIdentity();
|
---|
[2642] | 1325 |
|
---|
[2833] | 1326 | gluPerspective(fov, winAspectRatio, nearDist, myfar);
|
---|
[2788] | 1327 |
|
---|
[2758] | 1328 | glMatrixMode(GL_MODELVIEW);
|
---|
| 1329 |
|
---|
[2642] | 1330 | glutPostRedisplay();
|
---|
| 1331 | }
|
---|
| 1332 |
|
---|
| 1333 |
|
---|
[2792] | 1334 | void Mouse(int button, int state, int x, int y)
|
---|
[2642] | 1335 | {
|
---|
[2758] | 1336 | if ((button == GLUT_LEFT_BUTTON) && (state == GLUT_DOWN))
|
---|
[2642] | 1337 | {
|
---|
| 1338 | xEyeBegin = x;
|
---|
| 1339 | yMotionBegin = y;
|
---|
| 1340 |
|
---|
[2792] | 1341 | glutMotionFunc(LeftMotion);
|
---|
[2642] | 1342 | }
|
---|
[2758] | 1343 | else if ((button == GLUT_RIGHT_BUTTON) && (state == GLUT_DOWN))
|
---|
[2642] | 1344 | {
|
---|
[2829] | 1345 | xEyeBegin = x;
|
---|
[2758] | 1346 | yEyeBegin = y;
|
---|
| 1347 | yMotionBegin = y;
|
---|
| 1348 |
|
---|
[2792] | 1349 | glutMotionFunc(RightMotion);
|
---|
[2758] | 1350 | }
|
---|
| 1351 | else if ((button == GLUT_MIDDLE_BUTTON) && (state == GLUT_DOWN))
|
---|
| 1352 | {
|
---|
[2642] | 1353 | horizontalMotionBegin = x;
|
---|
| 1354 | verticalMotionBegin = y;
|
---|
[2792] | 1355 | glutMotionFunc(MiddleMotion);
|
---|
[2642] | 1356 | }
|
---|
| 1357 |
|
---|
| 1358 | glutPostRedisplay();
|
---|
| 1359 | }
|
---|
| 1360 |
|
---|
[2758] | 1361 |
|
---|
| 1362 | /** rotation for left/right mouse drag
|
---|
[2642] | 1363 | motion for up/down mouse drag
|
---|
| 1364 | */
|
---|
[2792] | 1365 | void LeftMotion(int x, int y)
|
---|
[2642] | 1366 | {
|
---|
[2758] | 1367 | Vector3 viewDir = camera->GetDirection();
|
---|
| 1368 | Vector3 pos = camera->GetPosition();
|
---|
| 1369 |
|
---|
| 1370 | // don't move in the vertical direction
|
---|
[2764] | 1371 | Vector3 horView(viewDir[0], viewDir[1], 0);
|
---|
[2642] | 1372 |
|
---|
[2795] | 1373 | float eyeXAngle = 0.2f * M_PI * (xEyeBegin - x) / 180.0;
|
---|
[2756] | 1374 |
|
---|
[2795] | 1375 | camera->Pitch(eyeXAngle);
|
---|
[2787] | 1376 |
|
---|
[2887] | 1377 | pos -= horView * (yMotionBegin - y) * 0.2f;
|
---|
[2795] | 1378 |
|
---|
[2758] | 1379 | camera->SetPosition(pos);
|
---|
[2642] | 1380 |
|
---|
| 1381 | xEyeBegin = x;
|
---|
| 1382 | yMotionBegin = y;
|
---|
[2758] | 1383 |
|
---|
[2642] | 1384 | glutPostRedisplay();
|
---|
| 1385 | }
|
---|
| 1386 |
|
---|
[2758] | 1387 |
|
---|
[2767] | 1388 | /** rotation for left / right mouse drag
|
---|
| 1389 | motion for up / down mouse drag
|
---|
[2758] | 1390 | */
|
---|
[2792] | 1391 | void RightMotion(int x, int y)
|
---|
[2758] | 1392 | {
|
---|
[2829] | 1393 | float eyeXAngle = 0.2f * M_PI * (xEyeBegin - x) / 180.0;
|
---|
[2795] | 1394 | float eyeYAngle = -0.2f * M_PI * (yEyeBegin - y) / 180.0;
|
---|
[2758] | 1395 |
|
---|
[2795] | 1396 | camera->Yaw(eyeYAngle);
|
---|
[2829] | 1397 | camera->Pitch(eyeXAngle);
|
---|
[2780] | 1398 |
|
---|
[2829] | 1399 | xEyeBegin = x;
|
---|
[2758] | 1400 | yEyeBegin = y;
|
---|
[2829] | 1401 |
|
---|
[2758] | 1402 | glutPostRedisplay();
|
---|
| 1403 | }
|
---|
| 1404 |
|
---|
| 1405 |
|
---|
[2642] | 1406 | // strafe
|
---|
[2792] | 1407 | void MiddleMotion(int x, int y)
|
---|
[2642] | 1408 | {
|
---|
[2758] | 1409 | Vector3 viewDir = camera->GetDirection();
|
---|
| 1410 | Vector3 pos = camera->GetPosition();
|
---|
| 1411 |
|
---|
[2642] | 1412 | // the 90 degree rotated view vector
|
---|
| 1413 | // y zero so we don't move in the vertical
|
---|
[2764] | 1414 | Vector3 rVec(viewDir[0], viewDir[1], 0);
|
---|
[2642] | 1415 |
|
---|
[2764] | 1416 | Matrix4x4 rot = RotationZMatrix(M_PI * 0.5f);
|
---|
[2758] | 1417 | rVec = rot * rVec;
|
---|
[2642] | 1418 |
|
---|
[2887] | 1419 | pos += rVec * (x - horizontalMotionBegin) * 0.1f;
|
---|
[2764] | 1420 | pos[2] += (verticalMotionBegin - y) * 0.1f;
|
---|
[2642] | 1421 |
|
---|
[2758] | 1422 | camera->SetPosition(pos);
|
---|
| 1423 |
|
---|
[2642] | 1424 | horizontalMotionBegin = x;
|
---|
| 1425 | verticalMotionBegin = y;
|
---|
[2758] | 1426 |
|
---|
[2642] | 1427 | glutPostRedisplay();
|
---|
| 1428 | }
|
---|
| 1429 |
|
---|
| 1430 |
|
---|
[2756] | 1431 | void InitExtensions(void)
|
---|
[2642] | 1432 | {
|
---|
| 1433 | GLenum err = glewInit();
|
---|
[2756] | 1434 |
|
---|
[2642] | 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 | }
|
---|
[2756] | 1441 | if (!GLEW_ARB_occlusion_query)
|
---|
[2642] | 1442 | {
|
---|
[2756] | 1443 | printf("I require the GL_ARB_occlusion_query to work.\n");
|
---|
[2642] | 1444 | exit(1);
|
---|
| 1445 | }
|
---|
| 1446 | }
|
---|
| 1447 |
|
---|
| 1448 |
|
---|
[2826] | 1449 | void Begin2D()
|
---|
[2642] | 1450 | {
|
---|
| 1451 | glDisable(GL_LIGHTING);
|
---|
| 1452 | glDisable(GL_DEPTH_TEST);
|
---|
| 1453 |
|
---|
[2826] | 1454 | glMatrixMode(GL_PROJECTION);
|
---|
[2642] | 1455 | glPushMatrix();
|
---|
| 1456 | glLoadIdentity();
|
---|
[2834] | 1457 |
|
---|
[2826] | 1458 | gluOrtho2D(0, winWidth, 0, winHeight);
|
---|
[2642] | 1459 |
|
---|
[2826] | 1460 | glMatrixMode(GL_MODELVIEW);
|
---|
[2642] | 1461 | glPushMatrix();
|
---|
| 1462 | glLoadIdentity();
|
---|
| 1463 | }
|
---|
| 1464 |
|
---|
| 1465 |
|
---|
[2826] | 1466 | void End2D()
|
---|
[2642] | 1467 | {
|
---|
[2834] | 1468 | glMatrixMode(GL_PROJECTION);
|
---|
[2642] | 1469 | glPopMatrix();
|
---|
[2834] | 1470 |
|
---|
[2642] | 1471 | glMatrixMode(GL_MODELVIEW);
|
---|
| 1472 | glPopMatrix();
|
---|
| 1473 |
|
---|
| 1474 | glEnable(GL_LIGHTING);
|
---|
| 1475 | glEnable(GL_DEPTH_TEST);
|
---|
| 1476 | }
|
---|
| 1477 |
|
---|
| 1478 |
|
---|
[2787] | 1479 | // displays the visualisation of culling algorithm
|
---|
| 1480 | void DisplayVisualization()
|
---|
[2796] | 1481 | {
|
---|
[2787] | 1482 | visualization->SetFrameId(traverser->GetCurrentFrameId());
|
---|
| 1483 |
|
---|
[2792] | 1484 | Begin2D();
|
---|
[2642] | 1485 | glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
---|
| 1486 | glEnable(GL_BLEND);
|
---|
[2827] | 1487 | glColor4f(0.0f ,0.0f, 0.0f, 0.5f);
|
---|
[2642] | 1488 |
|
---|
[2827] | 1489 | glRecti(winWidth - winWidth / 3, winHeight - winHeight / 3, winWidth, winHeight);
|
---|
[2642] | 1490 | glDisable(GL_BLEND);
|
---|
[2792] | 1491 | End2D();
|
---|
[2788] | 1492 |
|
---|
| 1493 |
|
---|
| 1494 | AxisAlignedBox3 box = bvh->GetBox();
|
---|
| 1495 |
|
---|
[2838] | 1496 | // hack: set far plane for viz
|
---|
[2807] | 1497 | camera->SetFar(0.35f * Magnitude(box.Diagonal()));
|
---|
[2796] | 1498 |
|
---|
[2807] | 1499 | const float offs = box.Size().x * 0.3f;
|
---|
[2834] | 1500 |
|
---|
[2838] | 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);
|
---|
[2806] | 1503 |
|
---|
[2795] | 1504 | visCamera->SetPosition(vizpos);
|
---|
[2838] | 1505 | visCamera->ResetPitchAndYaw();
|
---|
| 1506 | //visCamera->Pitch(M_PI);
|
---|
| 1507 |
|
---|
[2834] | 1508 | glPushAttrib(GL_VIEWPORT_BIT);
|
---|
[2806] | 1509 | glViewport(winWidth - winWidth / 3, winHeight - winHeight / 3, winWidth / 3, winHeight / 3);
|
---|
[2796] | 1510 |
|
---|
| 1511 | glMatrixMode(GL_PROJECTION);
|
---|
[2834] | 1512 | glPushMatrix();
|
---|
| 1513 |
|
---|
[2787] | 1514 | glLoadIdentity();
|
---|
[2796] | 1515 |
|
---|
[2807] | 1516 | glOrtho(-offs, offs, -offs, offs, 0.0f, box.Size().z * 100.0f);
|
---|
[2787] | 1517 |
|
---|
[2796] | 1518 | glMatrixMode(GL_MODELVIEW);
|
---|
[2834] | 1519 | glPushMatrix();
|
---|
[2787] | 1520 |
|
---|
[2796] | 1521 | visCamera->SetupCameraView();
|
---|
[2806] | 1522 |
|
---|
[2838] | 1523 | //Matrix4x4 rotX = RotationXMatrix(camera->GetYaw());
|
---|
| 1524 | //glMultMatrixf((float *)rotX.x);
|
---|
[2806] | 1525 | Matrix4x4 rotZ = RotationZMatrix(-camera->GetPitch());
|
---|
| 1526 | glMultMatrixf((float *)rotZ.x);
|
---|
| 1527 |
|
---|
[2887] | 1528 | // inverse translation in order to fix current position
|
---|
[2838] | 1529 | Vector3 pos = camera->GetPosition();
|
---|
[2806] | 1530 | glTranslatef(-pos.x, -pos.y, -pos.z);
|
---|
| 1531 |
|
---|
| 1532 |
|
---|
[2788] | 1533 | GLfloat position[] = {0.8f, 1.0f, 1.5f, 0.0f};
|
---|
| 1534 | glLightfv(GL_LIGHT0, GL_POSITION, position);
|
---|
[2787] | 1535 |
|
---|
[2788] | 1536 | GLfloat position1[] = {bvh->GetBox().Center().x, bvh->GetBox().Max().y, bvh->GetBox().Center().z, 1.0f};
|
---|
| 1537 | glLightfv(GL_LIGHT1, GL_POSITION, position1);
|
---|
[2787] | 1538 |
|
---|
[2642] | 1539 | glClear(GL_DEPTH_BUFFER_BIT);
|
---|
| 1540 |
|
---|
[2767] | 1541 | ////////////
|
---|
[2787] | 1542 | //-- visualization of the occlusion culling
|
---|
| 1543 |
|
---|
[2767] | 1544 | visualization->Render();
|
---|
[2887] | 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();
|
---|
[2767] | 1557 |
|
---|
[2834] | 1558 | // reset previous settings
|
---|
| 1559 | glPopAttrib();
|
---|
| 1560 |
|
---|
| 1561 | glMatrixMode(GL_PROJECTION);
|
---|
| 1562 | glPopMatrix();
|
---|
| 1563 | glMatrixMode(GL_MODELVIEW);
|
---|
| 1564 | glPopMatrix();
|
---|
[2642] | 1565 | }
|
---|
| 1566 |
|
---|
[2767] | 1567 |
|
---|
[2642] | 1568 | // cleanup routine after the main loop
|
---|
[2756] | 1569 | void CleanUp()
|
---|
[2642] | 1570 | {
|
---|
[2756] | 1571 | DEL_PTR(traverser);
|
---|
[2796] | 1572 | DEL_PTR(sceneQuery);
|
---|
[2756] | 1573 | DEL_PTR(bvh);
|
---|
[2767] | 1574 | DEL_PTR(visualization);
|
---|
[2787] | 1575 | DEL_PTR(camera);
|
---|
[2793] | 1576 | DEL_PTR(loader);
|
---|
[2801] | 1577 | DEL_PTR(renderQueue);
|
---|
[2827] | 1578 | DEL_PTR(perfGraph);
|
---|
[2809] | 1579 |
|
---|
[2879] | 1580 | DEL_PTR(fbo);
|
---|
| 1581 | DEL_PTR(ssaoShader);
|
---|
| 1582 | DEL_PTR(deferredShader);
|
---|
| 1583 |
|
---|
[2810] | 1584 | if (sCgMrtVertexProgram)
|
---|
| 1585 | cgDestroyProgram(sCgMrtVertexProgram);
|
---|
[2827] | 1586 | if (RenderState::sCgMrtFragmentProgram)
|
---|
| 1587 | cgDestroyProgram(RenderState::sCgMrtFragmentProgram);
|
---|
| 1588 | if (RenderState::sCgMrtFragmentTexProgram)
|
---|
| 1589 | cgDestroyProgram(RenderState::sCgMrtFragmentTexProgram);
|
---|
[2861] | 1590 |
|
---|
[2809] | 1591 | if (sCgContext)
|
---|
| 1592 | cgDestroyContext(sCgContext);
|
---|
[2642] | 1593 | }
|
---|
| 1594 |
|
---|
| 1595 |
|
---|
| 1596 | // this function inserts a dezimal point after each 1000
|
---|
[2829] | 1597 | void CalcDecimalPoint(string &str, int d, int len)
|
---|
[2642] | 1598 | {
|
---|
[2827] | 1599 | static vector<int> numbers;
|
---|
| 1600 | numbers.clear();
|
---|
| 1601 |
|
---|
[2829] | 1602 | static string shortStr;
|
---|
| 1603 | shortStr.clear();
|
---|
[2642] | 1604 |
|
---|
[2829] | 1605 | static char hstr[100];
|
---|
| 1606 |
|
---|
[2642] | 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 | {
|
---|
[2800] | 1616 | sprintf(hstr, "%d", numbers.back());
|
---|
[2829] | 1617 | shortStr.append(hstr);
|
---|
[2642] | 1618 | }
|
---|
| 1619 |
|
---|
[2764] | 1620 | for (int i = (int)numbers.size() - 2; i >= 0; i--)
|
---|
[2642] | 1621 | {
|
---|
[2800] | 1622 | sprintf(hstr, ",%03d", numbers[i]);
|
---|
[2829] | 1623 | shortStr.append(hstr);
|
---|
[2642] | 1624 | }
|
---|
[2829] | 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);
|
---|
[2764] | 1634 | }
|
---|
| 1635 |
|
---|
| 1636 |
|
---|
| 1637 | void DisplayStats()
|
---|
| 1638 | {
|
---|
[2826] | 1639 | static char msg[9][300];
|
---|
[2764] | 1640 |
|
---|
[2826] | 1641 | static double frameTime = elapsedTime;
|
---|
| 1642 | static double renderTime = algTime;
|
---|
| 1643 |
|
---|
[2818] | 1644 | const float expFactor = 0.1f;
|
---|
[2767] | 1645 |
|
---|
[2802] | 1646 | // if some strange render time spike happened in this frame => don't count
|
---|
[2826] | 1647 | if (elapsedTime < 500) frameTime = elapsedTime * expFactor + (1.0f - expFactor) * elapsedTime;
|
---|
| 1648 |
|
---|
| 1649 | static float rTime = 1000.0f;
|
---|
[2764] | 1650 |
|
---|
[2826] | 1651 | if (showAlgorithmTime)
|
---|
| 1652 | {
|
---|
| 1653 | if (algTime < 500) renderTime = algTime * expFactor + (1.0f - expFactor) * renderTime;
|
---|
| 1654 | }
|
---|
[2802] | 1655 |
|
---|
[2826] | 1656 | accumulatedTime += elapsedTime;
|
---|
| 1657 |
|
---|
[2776] | 1658 | if (accumulatedTime > 500) // update every fraction of a second
|
---|
[2770] | 1659 | {
|
---|
| 1660 | accumulatedTime = 0;
|
---|
| 1661 |
|
---|
[2826] | 1662 | if (frameTime) fps = 1e3f / (float)frameTime;
|
---|
| 1663 |
|
---|
| 1664 | rTime = renderTime;
|
---|
[2770] | 1665 | renderedObjects = traverser->GetStats().mNumRenderedGeometry;
|
---|
[2773] | 1666 | renderedNodes = traverser->GetStats().mNumRenderedNodes;
|
---|
| 1667 | renderedTriangles = traverser->GetStats().mNumRenderedTriangles;
|
---|
| 1668 |
|
---|
[2770] | 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;
|
---|
[2800] | 1674 | numBatches = traverser->GetStats().mNumBatches;
|
---|
[2770] | 1675 | }
|
---|
| 1676 |
|
---|
[2764] | 1677 |
|
---|
[2826] | 1678 | Begin2D();
|
---|
[2808] | 1679 |
|
---|
[2826] | 1680 | glEnable(GL_BLEND);
|
---|
| 1681 | glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
---|
[2764] | 1682 |
|
---|
[2826] | 1683 | if (showHelp)
|
---|
| 1684 | {
|
---|
| 1685 | DrawHelpMessage();
|
---|
| 1686 | }
|
---|
| 1687 | else
|
---|
| 1688 | {
|
---|
[2829] | 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 |
|
---|
[2827] | 1703 | myfont.Begin();
|
---|
[2769] | 1704 |
|
---|
[2826] | 1705 | if (showOptions)
|
---|
| 1706 | {
|
---|
[2829] | 1707 | glColor3f(0.0f, 1.0f, 0.0f);
|
---|
| 1708 |
|
---|
[2826] | 1709 | int i = 0;
|
---|
| 1710 |
|
---|
| 1711 | static char *renderTypeStr[] = {"fixed function", "fixed function + depth pass", "deferred shading"};
|
---|
[2825] | 1712 |
|
---|
[2826] | 1713 | sprintf(msg[i ++], "multiqueries: %d, tight bounds: %d, render queue: %d",
|
---|
| 1714 | useMultiQueries, useTightBounds, useRenderQueue);
|
---|
[2792] | 1715 |
|
---|
[2826] | 1716 | sprintf(msg[i ++], "render technique: %s, SSAO: %d", renderTypeStr[renderType], useSsao);
|
---|
[2808] | 1717 |
|
---|
[2826] | 1718 | sprintf(msg[i ++], "triangles per virtual leaf: %5d", trianglesPerVirtualLeaf);
|
---|
[2808] | 1719 |
|
---|
[2826] | 1720 | sprintf(msg[i ++], "assumed visible frames: %4d, max batch size: %4d",
|
---|
| 1721 | assumedVisibleFrames, maxBatchSize);
|
---|
[2808] | 1722 |
|
---|
[2826] | 1723 | for (int j = 0; j < 4; ++ j)
|
---|
[2829] | 1724 | myfont.DrawString(msg[j], 10.0f, winHeight - 5 - j * 20);
|
---|
[2826] | 1725 | }
|
---|
[2808] | 1726 |
|
---|
[2786] | 1727 | if (showStatistics)
|
---|
[2764] | 1728 | {
|
---|
[2829] | 1729 | glColor3f(1.0f, 1.0f, 0.0f);
|
---|
| 1730 |
|
---|
[2826] | 1731 | string str;
|
---|
| 1732 | string str2;
|
---|
| 1733 |
|
---|
[2829] | 1734 | int len = 10;
|
---|
| 1735 | CalcDecimalPoint(str, renderedTriangles, len);
|
---|
| 1736 | CalcDecimalPoint(str2, bvh->GetBvhStats().mTriangles, len);
|
---|
[2826] | 1737 |
|
---|
| 1738 | int i = 4;
|
---|
| 1739 |
|
---|
[2829] | 1740 | sprintf(msg[i ++], "rendered: %6d of %6d nodes, %s of %s triangles",
|
---|
[2826] | 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)
|
---|
[2829] | 1750 | myfont.DrawString(msg[j], 10.0f, winHeight - (j + 1) * 20);
|
---|
[2764] | 1751 | }
|
---|
[2790] | 1752 |
|
---|
[2826] | 1753 | glColor3f(1.0f, 1.0f, 1.0f);
|
---|
| 1754 | static char *alg_str[] = {"Frustum Cull", "Stop and Wait", "CHC", "CHC ++"};
|
---|
[2827] | 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 | }
|
---|
[2826] | 1764 |
|
---|
[2829] | 1765 | myfont.DrawString(msg[7], 1.3f, 690.0f, 760.0f);//, top_color, bottom_color);
|
---|
[2827] | 1766 |
|
---|
| 1767 | //sprintf(msg[8], "algorithm time: %6.1f ms", rTime);
|
---|
| 1768 | //myfont.DrawString(msg[8], 720.0f, 730.0f);
|
---|
[2764] | 1769 | }
|
---|
| 1770 |
|
---|
[2826] | 1771 | glDisable(GL_BLEND);
|
---|
| 1772 | glDisable(GL_TEXTURE_2D);
|
---|
| 1773 |
|
---|
[2792] | 1774 | End2D();
|
---|
[2764] | 1775 | }
|
---|
[2796] | 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);
|
---|
[2801] | 1784 | }
|
---|
[2796] | 1785 |
|
---|
| 1786 |
|
---|
[2801] | 1787 | void RenderVisibleObjects()
|
---|
| 1788 | {
|
---|
[2825] | 1789 | state.SetRenderType(RenderState::FIXED);
|
---|
[2796] | 1790 | state.Reset();
|
---|
[2801] | 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 |
|
---|
[2843] | 1813 | bool validIntersect = sceneQuery->CalcIntersection(playerPos);
|
---|
[2801] | 1814 |
|
---|
[2853] | 1815 | if (validIntersect)
|
---|
[2848] | 1816 | // && ((playerPos.z - oldPos.z) < bvh->GetBox().Size(2) * 1e-1f))
|
---|
[2801] | 1817 | {
|
---|
| 1818 | camera->SetPosition(playerPos);
|
---|
| 1819 | }
|
---|
[2809] | 1820 | }
|
---|