[492] | 1 | #ifndef __RENDERER_H
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| 2 | #define __RENDERER_H
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| 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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| 14 | class SceneGraph;
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| 15 | class ViewCellsManager;
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| 16 | class Mesh;
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| 17 | class MeshInstance;
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| 18 | class Intersectable;
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| 19 | class Material;
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[512] | 20 | class Beam;
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[532] | 21 | class KdTree;
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[538] | 22 | class QWidget;
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| 23 | class GlRendererBuffer;
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[531] | 24 | class BeamSampleStatistics;
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| 25 |
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[540] | 26 | struct VssRayContainer;
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| 27 |
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[492] | 28 | struct PvsRenderStatistics {
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| 29 |
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| 30 | float maxError;
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| 31 | float sumError;
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| 32 | int frames;
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| 33 | int errorFreeFrames;
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[502] | 34 |
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[492] | 35 | PvsRenderStatistics() { Reset(); }
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| 36 |
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[498] | 37 | void Reset() {
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[492] | 38 | maxError = 0.0f;
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| 39 | sumError = 0.0f;
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| 40 | frames = 0;
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| 41 | errorFreeFrames = 0;
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| 42 | }
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| 43 |
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| 44 | float GetMaxError() { return maxError; }
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| 45 | float GetAvgError() { return sumError/frames; }
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| 46 | float GetErrorFreeFrames() { return errorFreeFrames/(float)frames; }
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| 47 |
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| 48 | };
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| 49 |
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[496] | 50 |
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| 51 | /** Class encapsulating gl rendering for the scene.
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| 52 | There is no gl context binding so the binding is performed in the
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| 53 | derived classes
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| 54 | */
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| 55 |
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[497] | 56 | class GlRenderer: public Renderer
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[492] | 57 | {
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[496] | 58 |
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[492] | 59 | public:
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| 60 | ObjectContainer mObjects;
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[498] | 61 |
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[492] | 62 | Vector3 mViewPoint;
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| 63 | Vector3 mViewDirection;
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| 64 |
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| 65 | int timerId;
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| 66 | bool mUseFalseColors;
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| 67 |
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| 68 | HaltonSequence halton;
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| 69 |
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| 70 | int mFrame;
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[502] | 71 | bool mWireFrame;
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| 72 |
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[532] | 73 | KdTree *mKdTree;
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| 74 |
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[492] | 75 | QWaitCondition mRenderingFinished;
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| 76 |
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| 77 |
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| 78 | GlRenderer(SceneGraph *sceneGraph,
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[532] | 79 | ViewCellsManager *viewcells,
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| 80 | KdTree *tree);
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[496] | 81 |
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[492] | 82 | ~GlRenderer();
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| 83 |
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[496] | 84 |
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[492] | 85 | void SetupFalseColor(const int id);
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| 86 | void RenderIntersectable(Intersectable *);
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[535] | 87 | void RenderViewCell(ViewCell *vc);
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[492] | 88 | void RenderMeshInstance(MeshInstance *mi);
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| 89 | void RenderMesh(Mesh *m);
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| 90 | void SetupMaterial(Material *m);
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[502] | 91 | virtual void SetupCamera();
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[492] | 92 | void RandomViewPoint();
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[496] | 93 |
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[497] | 94 | bool
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[496] | 95 | RenderScene();
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[492] | 96 |
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[496] | 97 | void
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| 98 | SetupProjection(const int w, const int h);
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| 99 |
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| 100 |
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| 101 |
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| 102 | float
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| 103 | GetPixelError();
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| 104 |
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| 105 | void InitGL();
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| 106 |
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| 107 | virtual int GetWidth() const = 0;
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| 108 | virtual int GetHeight() const = 0;
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[540] | 109 |
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| 110 | int GetId(int r, int g, int b) const;
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[496] | 111 | };
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| 112 |
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| 113 |
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| 114 | class GlRendererBuffer : public QGLPixelBuffer, public GlRenderer
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| 115 | {
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| 116 | public:
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[532] | 117 | GlRendererBuffer(const int w,
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| 118 | const int h,
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| 119 | SceneGraph *sceneGraph,
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| 120 | ViewCellsManager *viewcells,
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| 121 | KdTree *tree):
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| 122 | QGLPixelBuffer(QSize(w, h)), GlRenderer(sceneGraph, viewcells, tree) {
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[496] | 123 |
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| 124 | mPvsStatFrames = 10000;
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| 125 | mPvsErrorBuffer.resize(mPvsStatFrames);
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| 126 | ClearErrorBuffer();
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| 127 |
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| 128 | makeCurrent();
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| 129 | InitGL();
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[502] | 130 | doneCurrent();
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| 131 |
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[532] | 132 | }
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[496] | 133 |
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| 134 | void
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| 135 | EvalPvsStat();
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| 136 |
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| 137 | void
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| 138 | ClearErrorBuffer();
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| 139 |
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| 140 |
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| 141 | virtual int GetWidth() const { return width(); }
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| 142 | virtual int GetHeight() const { return height(); }
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| 143 |
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[507] | 144 |
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| 145 | void SampleBeamContributions(
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| 146 | Intersectable *sourceObject,
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[512] | 147 | Beam &beam,
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[507] | 148 | const int samples,
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| 149 | BeamSampleStatistics &stat
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| 150 | );
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| 151 |
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| 152 | void
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| 153 | SampleViewpointContributions(
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| 154 | Intersectable *sourceObject,
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[514] | 155 | const Vector3 viewPoint,
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[512] | 156 | Beam &beam,
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[507] | 157 | const int desiredSamples,
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| 158 | BeamSampleStatistics &stat
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| 159 | );
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| 160 |
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[540] | 161 | void InitGL();
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| 162 |
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| 163 | /** Computes rays from information gained with hw sampling-
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| 164 | */
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| 165 | void ComputeRays(Intersectable *sourceObj, VssRayContainer &rays);
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| 166 |
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| 167 | int ComputePvs() const;
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| 168 |
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| 169 |
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| 170 | int ComputePvs(ObjectContainer &objects, ObjectContainer &pvs) const;
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| 171 |
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| 172 | PvsRenderStatistics mPvsStat;
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[532] | 173 |
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[540] | 174 | int mPvsStatFrames;
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| 175 | vector<float> mPvsErrorBuffer;
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[532] | 176 |
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[513] | 177 | private:
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[540] | 178 |
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[513] | 179 | static void GenQueries(const int numQueries);
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[540] | 180 | |
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[525] | 181 | void SetupProjectionForViewPoint(const Vector3 &viewPoint, |
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| 182 | const Beam &beam, |
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| 183 | Intersectable *sourceObject);
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[496] | 184 | };
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| 185 |
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| 186 |
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| 187 |
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| 188 | class GlRendererWidget : public QGLWidget, public GlRenderer
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| 189 | {
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| 190 | Q_OBJECT
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| 191 | public:
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| 192 |
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[502] | 193 | // point of the last mouse click used for movement in the scene
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| 194 | Vector3 mousePoint;
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| 195 |
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| 196 | bool mTopView;
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| 197 |
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[496] | 198 | GlRendererWidget(SceneGraph *sceneGraph,
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| 199 | ViewCellsManager *viewcells,
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[532] | 200 | KdTree *tree,
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[496] | 201 | QWidget * parent = 0, const QGLWidget * shareWidget = 0, Qt::WFlags f = 0
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| 202 | ):
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[532] | 203 | GlRenderer(sceneGraph, viewcells, tree), QGLWidget(parent, shareWidget, f)
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[502] | 204 | {
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| 205 | mTopView = false;
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| 206 | }
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[496] | 207 |
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[502] | 208 | virtual void SetupCamera();
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| 209 |
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[496] | 210 | void initializeGL() {
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| 211 | InitGL();
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| 212 | }
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[492] | 213 | void resizeGL(int w, int h);
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| 214 | void paintGL();
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| 215 | void timerEvent(QTimerEvent *) {
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| 216 | update();
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| 217 | }
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| 218 |
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| 219 | void mousePressEvent(QMouseEvent *);
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| 220 | void mouseReleaseEvent(QMouseEvent *);
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| 221 | void mouseMoveEvent(QMouseEvent *);
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| 222 |
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[504] | 223 | void keyPressEvent ( QKeyEvent * e ) ;
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| 224 |
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[492] | 225 | float
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[496] | 226 | RenderErrors();
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[492] | 227 |
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[496] | 228 | virtual int GetWidth() const { return width(); }
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| 229 | virtual int GetHeight() const { return height(); }
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[492] | 230 | };
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| 231 |
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| 232 |
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[496] | 233 | extern GlRendererWidget *rendererWidget;
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[492] | 234 |
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[538] | 235 | class GlDebuggerWidget : public QGLWidget
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| 236 | {
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[540] | 237 | Q_OBJECT
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[538] | 238 | public:
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[540] | 239 | GlDebuggerWidget(GlRendererBuffer *buf, QWidget *parent = NULL);
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[538] | 240 | ~GlDebuggerWidget();
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| 241 | void initializeGL();
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| 242 | void resizeGL(int w, int h);
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| 243 | void paintGL();
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| 244 | void timerEvent(QTimerEvent *) { update(); }
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| 245 | void mousePressEvent(QMouseEvent *) { killTimer(timerId); }
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| 246 | void mouseReleaseEvent(QMouseEvent *) { timerId = startTimer(20); }
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| 247 |
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| 248 | void initCommon();
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| 249 | void initPbuffer();
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| 250 |
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| 251 | GlRendererBuffer *mRenderBuffer;
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| 252 |
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[540] | 253 | Beam mBeam;
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| 254 | int mSamples;
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| 255 | Intersectable *mSourceObject;
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[538] | 256 | private:
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| 257 | GLuint dynamicTexture;
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| 258 | int timerId;
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| 259 | };
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| 260 |
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| 261 | extern GlDebuggerWidget *debuggerWidget;
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| 262 |
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[492] | 263 | #endif
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| 264 |
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