[865] | 1 | #ifndef __GLRENDERER_H
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| 2 | #define __GLRENDERER_H
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[492] | 3 |
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| 4 | #include <QtOpenGL>
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| 5 | #include <QWaitCondition>
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[500] | 6 | //#include <QGLPixelBuffer>
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[492] | 7 |
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| 8 | #include "Vector3.h"
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| 9 | #include "Containers.h"
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| 10 | #include "Halton.h"
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[497] | 11 | #include "Renderer.h"
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[540] | 12 | #include "Beam.h"
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[492] | 13 |
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[863] | 14 | class QWidget;
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| 15 |
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[860] | 16 | namespace GtpVisibilityPreprocessor {
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| 17 |
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[492] | 18 | class SceneGraph;
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| 19 | class ViewCellsManager;
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| 20 | class Mesh;
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| 21 | class MeshInstance;
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| 22 | class Intersectable;
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| 23 | class Material;
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[512] | 24 | class Beam;
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[532] | 25 | class KdTree;
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[538] | 26 | class GlRendererBuffer;
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[531] | 27 | class BeamSampleStatistics;
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| 28 |
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[540] | 29 | struct VssRayContainer;
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| 30 |
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[492] | 31 | struct PvsRenderStatistics {
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| 32 |
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| 33 | float maxError;
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| 34 | float sumError;
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[713] | 35 | int sumPvsSize;
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[492] | 36 | int frames;
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| 37 | int errorFreeFrames;
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[502] | 38 |
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[492] | 39 | PvsRenderStatistics() { Reset(); }
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| 40 |
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[498] | 41 | void Reset() {
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[492] | 42 | maxError = 0.0f;
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| 43 | sumError = 0.0f;
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| 44 | frames = 0;
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| 45 | errorFreeFrames = 0;
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[713] | 46 | sumPvsSize = 0;
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[492] | 47 | }
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| 48 |
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| 49 | float GetMaxError() { return maxError; }
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| 50 | float GetAvgError() { return sumError/frames; }
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| 51 | float GetErrorFreeFrames() { return errorFreeFrames/(float)frames; }
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[713] | 52 | float GetAvgPvs() { return sumPvsSize/(float)frames; }
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[492] | 53 |
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| 54 | };
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| 55 |
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[811] | 56 | struct RenderCostSample {
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[496] | 57 |
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[811] | 58 | RenderCostSample() {}
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| 59 |
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| 60 | void Reset() {
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| 61 | mVisibleObjects = 0;
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| 62 | mVisiblePixels = 0;
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| 63 | }
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| 64 |
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[991] | 65 | Vector3 mPosition;
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| 66 |
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[811] | 67 | // visible object from the given point
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| 68 | int mVisibleObjects;
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| 69 |
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| 70 | // visible pixels
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| 71 | int mVisiblePixels;
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| 72 |
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| 73 | };
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| 74 |
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[496] | 75 | /** Class encapsulating gl rendering for the scene.
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| 76 | There is no gl context binding so the binding is performed in the
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| 77 | derived classes
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| 78 | */
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| 79 |
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[497] | 80 | class GlRenderer: public Renderer
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[492] | 81 | {
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[496] | 82 |
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[492] | 83 | public:
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| 84 | ObjectContainer mObjects;
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[498] | 85 |
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[492] | 86 | Vector3 mViewPoint;
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| 87 | Vector3 mViewDirection;
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| 88 |
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| 89 | int timerId;
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| 90 | bool mUseFalseColors;
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[746] | 91 | bool mUseForcedColors;
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[492] | 92 |
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| 93 | HaltonSequence halton;
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| 94 |
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| 95 | int mFrame;
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[502] | 96 | bool mWireFrame;
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[589] | 97 |
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[811] | 98 | bool mDetectEmptyViewSpace;
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[589] | 99 | bool mSnapErrorFrames;
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[811] | 100 |
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| 101 | bool mUseGlLists;
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| 102 |
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[589] | 103 | QString mSnapPrefix;
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[502] | 104 |
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[532] | 105 | KdTree *mKdTree;
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| 106 |
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[492] | 107 | QWaitCondition mRenderingFinished;
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| 108 |
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[811] | 109 | vector<unsigned int> mOcclusionQueries;
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[492] | 110 |
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| 111 | GlRenderer(SceneGraph *sceneGraph,
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[532] | 112 | ViewCellsManager *viewcells,
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| 113 | KdTree *tree);
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[496] | 114 |
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[492] | 115 | ~GlRenderer();
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| 116 |
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[496] | 117 |
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[492] | 118 | void SetupFalseColor(const int id);
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| 119 | void RenderIntersectable(Intersectable *);
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[535] | 120 | void RenderViewCell(ViewCell *vc);
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[492] | 121 | void RenderMeshInstance(MeshInstance *mi);
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| 122 | void RenderMesh(Mesh *m);
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| 123 | void SetupMaterial(Material *m);
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[502] | 124 | virtual void SetupCamera();
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[496] | 125 |
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[497] | 126 | bool
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[496] | 127 | RenderScene();
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[492] | 128 |
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[811] | 129 | void
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| 130 | _RenderScene();
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[589] | 131 |
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[811] | 132 |
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[608] | 133 | virtual void
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[811] | 134 | SetupProjection(const int w, const int h, const float angle = 70.0f);
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[496] | 135 |
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| 136 |
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| 137 |
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| 138 |
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| 139 | void InitGL();
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| 140 |
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| 141 | virtual int GetWidth() const = 0;
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| 142 | virtual int GetHeight() const = 0;
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[540] | 143 |
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| 144 | int GetId(int r, int g, int b) const;
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[496] | 145 | };
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| 146 |
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| 147 |
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[865] | 148 | class GlRendererBuffer : public QObject, public QGLPixelBuffer, public GlRenderer
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[496] | 149 | {
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[746] | 150 | Q_OBJECT
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[496] | 151 | public:
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[811] | 152 | GlRendererBuffer(const int w,
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| 153 | const int h,
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| 154 | SceneGraph *sceneGraph,
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| 155 | ViewCellsManager *viewcells,
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| 156 | KdTree *tree);
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[589] | 157 |
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[811] | 158 |
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[496] | 159 | void
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[811] | 160 | EvalRenderCostSample(
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| 161 | RenderCostSample &sample
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| 162 | );
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| 163 |
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| 164 | void
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| 165 | SampleRenderCost(
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| 166 | const int n,
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| 167 | vector<RenderCostSample> &samples
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| 168 | );
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| 169 |
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| 170 |
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| 171 | void
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[496] | 172 | EvalPvsStat();
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| 173 |
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| 174 | void
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| 175 | ClearErrorBuffer();
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| 176 |
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| 177 |
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| 178 | virtual int GetWidth() const { return width(); }
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| 179 | virtual int GetHeight() const { return height(); }
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| 180 |
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[507] | 181 |
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[563] | 182 | void RandomViewPoint();
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[507] | 183 | void SampleBeamContributions(
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| 184 | Intersectable *sourceObject,
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[512] | 185 | Beam &beam,
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[507] | 186 | const int samples,
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| 187 | BeamSampleStatistics &stat
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| 188 | );
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| 189 |
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| 190 | void
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| 191 | SampleViewpointContributions(
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| 192 | Intersectable *sourceObject,
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[514] | 193 | const Vector3 viewPoint,
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[512] | 194 | Beam &beam,
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[507] | 195 | const int desiredSamples,
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| 196 | BeamSampleStatistics &stat
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| 197 | );
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| 198 |
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[540] | 199 | void InitGL();
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| 200 |
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| 201 | /** Computes rays from information gained with hw sampling-
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| 202 | */
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| 203 | void ComputeRays(Intersectable *sourceObj, VssRayContainer &rays);
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| 204 |
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| 205 | int ComputePvs() const;
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| 206 |
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[576] | 207 | float
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[713] | 208 | GetPixelError(int &pvsSize);
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[540] | 209 |
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| 210 | int ComputePvs(ObjectContainer &objects, ObjectContainer &pvs) const;
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| 211 |
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| 212 | PvsRenderStatistics mPvsStat;
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[532] | 213 |
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[540] | 214 | int mPvsStatFrames;
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[713] | 215 | struct PvsErrorEntry {
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| 216 | PvsErrorEntry() {}
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| 217 | float mError;
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| 218 | int mPvsSize;
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[746] | 219 | Vector3 mPosition;
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| 220 | Vector3 mDirection;
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[713] | 221 | };
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| 222 |
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| 223 | vector<PvsErrorEntry> mPvsErrorBuffer;
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| 224 |
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[513] | 225 | private:
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[811] | 226 | unsigned int *mPixelBuffer;
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| 227 |
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[513] | 228 | static void GenQueries(const int numQueries);
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[589] | 229 |
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| 230 | void SetupProjectionForViewPoint(const Vector3 &viewPoint,
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| 231 | const Beam &beam,
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[746] | 232 |
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[525] | 233 | Intersectable *sourceObject);
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[746] | 234 |
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| 235 | public:
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| 236 | signals:
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| 237 | UpdatePvsErrorItem(int i,
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| 238 | GlRendererBuffer::PvsErrorEntry &);
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[496] | 239 | };
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| 240 |
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| 241 |
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[608] | 242 | class RendererControlWidget : public QWidget
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| 243 | {
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| 244 | Q_OBJECT
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| 245 | public:
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[746] | 246 |
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| 247 | QListWidget *mPvsErrorWidget;
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| 248 |
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[608] | 249 | RendererControlWidget(QWidget * parent = 0, Qt::WFlags f = 0);
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[496] | 250 |
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[746] | 251 | public slots:
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| 252 |
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| 253 | void FocusNextPvsErrorFrame();
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| 254 | void UpdatePvsErrorItem(int i,
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| 255 | GlRendererBuffer::PvsErrorEntry &);
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| 256 |
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[608] | 257 | signals:
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| 258 |
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| 259 | SetViewCellGranularity(int);
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| 260 | SetSceneCut(int);
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| 261 | SetTopDistance(int);
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[713] | 262 | SetVisibilityFilterSize(int);
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[884] | 263 | SetSpatialFilterSize(int);
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[608] | 264 |
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[746] | 265 | SetRenderFilter(bool);
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[884] | 266 | SetUseFilter(bool);
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| 267 | SetUseSpatialFilter(bool);
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[746] | 268 | SetRenderErrors(bool);
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[608] | 269 | SetShowViewCells(bool);
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[746] | 270 | SetShowRenderCost(bool);
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| 271 | SetShowPvsSizes(bool);
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[608] | 272 | SetTopView(bool);
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| 273 | SetCutViewCells(bool);
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| 274 | SetCutScene(bool);
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| 275 |
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[746] | 276 |
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[608] | 277 | };
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| 278 |
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[496] | 279 | class GlRendererWidget : public QGLWidget, public GlRenderer
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| 280 | {
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| 281 | Q_OBJECT
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| 282 | public:
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| 283 |
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[502] | 284 | // point of the last mouse click used for movement in the scene
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| 285 | Vector3 mousePoint;
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| 286 |
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| 287 | bool mTopView;
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[599] | 288 | bool mRenderViewCells;
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[608] | 289 | bool mCutViewCells;
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| 290 | bool mCutScene;
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[746] | 291 | bool mRenderErrors;
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| 292 | bool mRenderFilter;
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[884] | 293 | bool mUseFilter;
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| 294 | bool mUseSpatialFilter;
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[746] | 295 | bool mShowRenderCost;
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[884] | 296 |
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[746] | 297 | bool mShowPvsSizes;
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[884] | 298 | float mSpatialFilterSize;
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| 299 |
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[608] | 300 | Plane3 mSceneCutPlane;
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| 301 | float mTopDistance;
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[746] | 302 |
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| 303 | // some statistics
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| 304 | int mPvsSize;
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| 305 | float mRenderError;
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| 306 |
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| 307 | RendererControlWidget *mControlWidget;
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[608] | 308 |
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[496] | 309 | GlRendererWidget(SceneGraph *sceneGraph,
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| 310 | ViewCellsManager *viewcells,
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[532] | 311 | KdTree *tree,
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[496] | 312 | QWidget * parent = 0, const QGLWidget * shareWidget = 0, Qt::WFlags f = 0
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[599] | 313 | );
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[496] | 314 |
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[599] | 315 |
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[502] | 316 | virtual void SetupCamera();
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| 317 |
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[496] | 318 | void initializeGL() {
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| 319 | InitGL();
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| 320 | }
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[492] | 321 | void resizeGL(int w, int h);
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| 322 | void paintGL();
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| 323 | void timerEvent(QTimerEvent *) {
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| 324 | update();
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| 325 | }
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| 326 |
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| 327 | void mousePressEvent(QMouseEvent *);
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| 328 | void mouseReleaseEvent(QMouseEvent *);
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| 329 | void mouseMoveEvent(QMouseEvent *);
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| 330 |
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[504] | 331 | void keyPressEvent ( QKeyEvent * e ) ;
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[746] | 332 |
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| 333 | void
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| 334 | RenderPvs();
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| 335 |
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[492] | 336 | float
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[589] | 337 | RenderErrors();
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| 338 | void
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| 339 | RenderInfo();
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[492] | 340 |
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[496] | 341 | virtual int GetWidth() const { return width(); }
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| 342 | virtual int GetHeight() const { return height(); }
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[599] | 343 |
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[608] | 344 | virtual void
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| 345 | SetupProjection(const int w, const int h);
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[599] | 346 |
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| 347 | void
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| 348 | RenderViewCells();
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| 349 |
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| 350 | public slots:
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| 351 |
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[746] | 352 | void SetRenderErrors(bool b) {
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| 353 | mRenderErrors = b;
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| 354 | updateGL();
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| 355 | }
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| 356 |
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| 357 | void SetRenderFilter(bool b) {
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| 358 | mRenderFilter = b;
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| 359 | updateGL();
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| 360 | }
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| 361 |
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[884] | 362 | void SetUseFilter(bool b) {
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| 363 | mUseFilter = b;
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| 364 | updateGL();
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| 365 | }
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| 366 |
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| 367 | void SetUseSpatialFilter(bool b) {
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| 368 | mUseSpatialFilter = b;
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| 369 | updateGL();
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| 370 | }
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| 371 |
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[746] | 372 |
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[713] | 373 | void
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[746] | 374 | SetViewCellGranularity(int number);
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| 375 |
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| 376 | void
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[713] | 377 | SetVisibilityFilterSize(int number);
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[884] | 378 |
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| 379 | void
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| 380 | SetSpatialFilterSize(int number);
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[746] | 381 |
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[713] | 382 | void
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| 383 | SetSceneCut(int cut);
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| 384 |
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| 385 | void
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| 386 | SetTopDistance(int dist);
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| 387 |
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[608] | 388 | void SetShowViewCells(bool b) {
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| 389 | mRenderViewCells = b;
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| 390 | updateGL();
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| 391 | }
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[746] | 392 |
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| 393 | void SetShowRenderCost(bool b) {
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| 394 | mShowRenderCost = b;
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| 395 | updateGL();
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| 396 | }
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| 397 |
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| 398 | void SetShowPvsSizes(bool b) {
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| 399 | mShowPvsSizes = b;
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| 400 | updateGL();
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| 401 | }
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| 402 |
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[608] | 403 | void SetTopView(bool b) {
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| 404 | mTopView = b;
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| 405 | updateGL();
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| 406 | }
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| 407 |
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| 408 | void SetCutViewCells(bool b) {
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| 409 | mCutViewCells = b;
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| 410 | updateGL();
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| 411 | }
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| 412 | void SetCutScene(bool b) {
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| 413 | mCutScene = b;
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| 414 | updateGL();
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| 415 | }
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| 416 |
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[746] | 417 |
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[492] | 418 | };
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| 419 |
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| 420 |
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[496] | 421 | extern GlRendererWidget *rendererWidget;
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[492] | 422 |
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[538] | 423 | class GlDebuggerWidget : public QGLWidget
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| 424 | {
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[540] | 425 | Q_OBJECT
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[538] | 426 | public:
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[540] | 427 | GlDebuggerWidget(GlRendererBuffer *buf, QWidget *parent = NULL);
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[538] | 428 | ~GlDebuggerWidget();
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| 429 | void initializeGL();
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| 430 | void resizeGL(int w, int h);
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| 431 | void paintGL();
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| 432 | void timerEvent(QTimerEvent *) { update(); }
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| 433 | void mousePressEvent(QMouseEvent *) { killTimer(timerId); }
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| 434 | void mouseReleaseEvent(QMouseEvent *) { timerId = startTimer(20); }
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| 435 |
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| 436 | void initCommon();
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| 437 | void initPbuffer();
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| 438 |
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[608] | 439 |
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[538] | 440 | GlRendererBuffer *mRenderBuffer;
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| 441 |
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[540] | 442 | Beam mBeam;
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| 443 | int mSamples;
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| 444 | Intersectable *mSourceObject;
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[608] | 445 |
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[538] | 446 | private:
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| 447 | GLuint dynamicTexture;
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| 448 | int timerId;
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| 449 | };
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| 450 |
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| 451 | extern GlDebuggerWidget *debuggerWidget;
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| 452 |
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[863] | 453 | };
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[860] | 454 |
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[492] | 455 | #endif
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| 456 |
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