[865] | 1 | #ifndef __GLRENDERER_H
|
---|
| 2 | #define __GLRENDERER_H
|
---|
[492] | 3 |
|
---|
[2176] | 4 | #include "ObjectPvs.h"
|
---|
[492] | 5 | #include "Vector3.h"
|
---|
| 6 | #include "Containers.h"
|
---|
| 7 | #include "Halton.h"
|
---|
[497] | 8 | #include "Renderer.h"
|
---|
[540] | 9 | #include "Beam.h"
|
---|
[492] | 10 |
|
---|
[863] | 11 |
|
---|
[2176] | 12 |
|
---|
[860] | 13 | namespace GtpVisibilityPreprocessor {
|
---|
| 14 |
|
---|
[492] | 15 | class SceneGraph;
|
---|
| 16 | class ViewCellsManager;
|
---|
| 17 | class Mesh;
|
---|
| 18 | class MeshInstance;
|
---|
| 19 | class Intersectable;
|
---|
| 20 | class Material;
|
---|
[512] | 21 | class Beam;
|
---|
[532] | 22 | class KdTree;
|
---|
[538] | 23 | class GlRendererBuffer;
|
---|
[531] | 24 | class BeamSampleStatistics;
|
---|
[1001] | 25 | class OcclusionQuery;
|
---|
| 26 | class TransformedMeshInstance;
|
---|
[1581] | 27 | class TriangleIntersectable;
|
---|
[2176] | 28 | class BvhNode;
|
---|
| 29 | class SimpleRayContainer;
|
---|
[2048] | 30 |
|
---|
[540] | 31 | struct VssRayContainer;
|
---|
[2593] | 32 | struct GLUquadric;
|
---|
[540] | 33 |
|
---|
[2593] | 34 |
|
---|
| 35 | struct PvsRenderStatistics
|
---|
| 36 | {
|
---|
[492] | 37 | float maxError;
|
---|
| 38 | float sumError;
|
---|
[713] | 39 | int sumPvsSize;
|
---|
[492] | 40 | int frames;
|
---|
| 41 | int errorFreeFrames;
|
---|
[502] | 42 |
|
---|
[492] | 43 | PvsRenderStatistics() { Reset(); }
|
---|
| 44 |
|
---|
[2593] | 45 | void Reset()
|
---|
| 46 | {
|
---|
[492] | 47 | maxError = 0.0f;
|
---|
| 48 | sumError = 0.0f;
|
---|
| 49 | frames = 0;
|
---|
| 50 | errorFreeFrames = 0;
|
---|
[713] | 51 | sumPvsSize = 0;
|
---|
[492] | 52 | }
|
---|
| 53 |
|
---|
| 54 | float GetMaxError() { return maxError; }
|
---|
| 55 | float GetAvgError() { return sumError/frames; }
|
---|
| 56 | float GetErrorFreeFrames() { return errorFreeFrames/(float)frames; }
|
---|
[713] | 57 | float GetAvgPvs() { return sumPvsSize/(float)frames; }
|
---|
[492] | 58 |
|
---|
| 59 | };
|
---|
| 60 |
|
---|
[2538] | 61 |
|
---|
[2593] | 62 | struct PvsCache
|
---|
| 63 | {
|
---|
[1824] | 64 |
|
---|
[2593] | 65 | PvsCache():mViewCell(NULL), mUnfilteredPvsSize(0) {}
|
---|
[1824] | 66 |
|
---|
[2593] | 67 | void Reset()
|
---|
| 68 | {
|
---|
| 69 | mViewCell = NULL; mPvs.Clear();
|
---|
| 70 | filteredBoxes.clear();
|
---|
| 71 | mUnfilteredPvsSize = 0;
|
---|
| 72 | }
|
---|
| 73 |
|
---|
| 74 | ViewCell *mViewCell;
|
---|
| 75 | ObjectPvs mPvs;
|
---|
| 76 | int mUnfilteredPvsSize;
|
---|
| 77 | vector<AxisAlignedBox3> filteredBoxes;
|
---|
| 78 | };
|
---|
| 79 |
|
---|
| 80 |
|
---|
[811] | 81 | struct RenderCostSample {
|
---|
[496] | 82 |
|
---|
[811] | 83 | RenderCostSample() {}
|
---|
| 84 |
|
---|
| 85 | void Reset() {
|
---|
| 86 | mVisibleObjects = 0;
|
---|
| 87 | mVisiblePixels = 0;
|
---|
| 88 | }
|
---|
| 89 |
|
---|
[991] | 90 | Vector3 mPosition;
|
---|
| 91 |
|
---|
[811] | 92 | // visible object from the given point
|
---|
| 93 | int mVisibleObjects;
|
---|
| 94 |
|
---|
| 95 | // visible pixels
|
---|
| 96 | int mVisiblePixels;
|
---|
[1161] | 97 |
|
---|
| 98 | ObjectPvs mPvs;
|
---|
[811] | 99 |
|
---|
| 100 | };
|
---|
| 101 |
|
---|
[496] | 102 | /** Class encapsulating gl rendering for the scene.
|
---|
| 103 | There is no gl context binding so the binding is performed in the
|
---|
| 104 | derived classes
|
---|
| 105 | */
|
---|
[497] | 106 | class GlRenderer: public Renderer
|
---|
[492] | 107 | {
|
---|
[2538] | 108 | friend class GlobalLinesRenderer;
|
---|
| 109 | friend class ViewCellsManager;
|
---|
[496] | 110 |
|
---|
[492] | 111 | public:
|
---|
| 112 |
|
---|
| 113 | GlRenderer(SceneGraph *sceneGraph,
|
---|
[532] | 114 | ViewCellsManager *viewcells,
|
---|
| 115 | KdTree *tree);
|
---|
[496] | 116 |
|
---|
[1151] | 117 | GlRenderer() {}
|
---|
| 118 |
|
---|
[1145] | 119 | virtual ~GlRenderer();
|
---|
[492] | 120 |
|
---|
[496] | 121 |
|
---|
[1931] | 122 | virtual void RandomViewPoint();
|
---|
| 123 |
|
---|
[1960] | 124 | void SetupFalseColor(const unsigned int id);
|
---|
[492] | 125 | void RenderIntersectable(Intersectable *);
|
---|
[535] | 126 | void RenderViewCell(ViewCell *vc);
|
---|
[492] | 127 | void RenderMeshInstance(MeshInstance *mi);
|
---|
[1001] | 128 | void RenderTransformedMeshInstance(TransformedMeshInstance *mi);
|
---|
[492] | 129 | void RenderMesh(Mesh *m);
|
---|
| 130 | void SetupMaterial(Material *m);
|
---|
[502] | 131 | virtual void SetupCamera();
|
---|
[1581] | 132 |
|
---|
| 133 | void
|
---|
[2593] | 134 | RenderRays(const VssRayContainer &rays, int colorType = 0, int showDistribution = 15, int maxAge = 9999999);
|
---|
[1581] | 135 |
|
---|
| 136 | void
|
---|
| 137 | RenderTriangle(TriangleIntersectable *object);
|
---|
| 138 |
|
---|
[1585] | 139 | void
|
---|
| 140 | RenderBox(const AxisAlignedBox3 &box);
|
---|
| 141 |
|
---|
| 142 | void
|
---|
| 143 | RenderBvhNode(BvhNode *node);
|
---|
[1594] | 144 |
|
---|
| 145 | void
|
---|
| 146 | RenderKdNode(KdNode *node);
|
---|
| 147 |
|
---|
[497] | 148 | bool
|
---|
[496] | 149 | RenderScene();
|
---|
[492] | 150 |
|
---|
[811] | 151 | void
|
---|
| 152 | _RenderScene();
|
---|
[589] | 153 |
|
---|
[1983] | 154 | void
|
---|
[2002] | 155 | _RenderSceneTriangles();
|
---|
| 156 |
|
---|
[2538] | 157 | void _RenderSceneTrianglesWithDrawArrays();
|
---|
| 158 |
|
---|
[2002] | 159 | void
|
---|
[1983] | 160 | RenderViewPoint();
|
---|
[811] | 161 |
|
---|
[608] | 162 | virtual void
|
---|
[811] | 163 | SetupProjection(const int w, const int h, const float angle = 70.0f);
|
---|
[496] | 164 |
|
---|
[2023] | 165 | virtual bool ValidViewPoint();
|
---|
[496] | 166 |
|
---|
[1931] | 167 | virtual float
|
---|
| 168 | GetPixelError(int &pvsSize);
|
---|
[496] | 169 |
|
---|
[1931] | 170 | virtual void
|
---|
| 171 | EvalPvsStat();
|
---|
[496] | 172 |
|
---|
[2048] | 173 | virtual void EvalPvsStat(const SimpleRayContainer &viewPoints);
|
---|
| 174 |
|
---|
[1997] | 175 | virtual void InitGL();
|
---|
[496] | 176 |
|
---|
[1940] | 177 | virtual int GetWidth() const { return 0; }
|
---|
| 178 | virtual int GetHeight() const { return 0; }
|
---|
[540] | 179 |
|
---|
[1960] | 180 | unsigned int GetId(const unsigned char r,
|
---|
| 181 | const unsigned char g,
|
---|
| 182 | const unsigned char b) const;
|
---|
[1151] | 183 |
|
---|
| 184 | inline const bool GetSnapErrorFrames() { return mSnapErrorFrames; }
|
---|
[2176] | 185 | inline const std::string GetSnapPrefix() { return mSnapPrefix; }
|
---|
[1151] | 186 |
|
---|
| 187 | inline void SetSnapErrorFrames(bool snapframes) { mSnapErrorFrames = snapframes; }
|
---|
[2176] | 188 | inline void SetSnapPrefix(const std::string &pref) { mSnapPrefix = pref; }
|
---|
[1151] | 189 |
|
---|
[1931] | 190 | virtual void ClearErrorBuffer();
|
---|
| 191 |
|
---|
[2002] | 192 | virtual float GetAvgPixelError() {
|
---|
| 193 | return mPvsStat.GetAvgError()*GetWidth()*GetHeight();
|
---|
| 194 | }
|
---|
[2008] | 195 |
|
---|
| 196 | virtual float GetMaxPixelError() {
|
---|
[2543] | 197 | return mPvsStat.GetMaxError()*GetWidth()*GetHeight();
|
---|
[2008] | 198 | }
|
---|
[2543] | 199 |
|
---|
[1832] | 200 | public:
|
---|
[1940] | 201 |
|
---|
[2543] | 202 | int mCurrentFrame;
|
---|
| 203 | int mFrame;
|
---|
| 204 | bool mWireFrame;
|
---|
[1931] | 205 |
|
---|
[2543] | 206 | PvsRenderStatistics mPvsStat;
|
---|
[2017] | 207 |
|
---|
[2543] | 208 | int mPvsStatFrames;
|
---|
| 209 | struct PvsErrorEntry {
|
---|
| 210 | PvsErrorEntry() {}
|
---|
| 211 | float mError;
|
---|
| 212 | int mPvsSize;
|
---|
| 213 | Vector3 mPosition;
|
---|
| 214 | Vector3 mDirection;
|
---|
| 215 | };
|
---|
[2050] | 216 |
|
---|
[2543] | 217 | vector<PvsErrorEntry> mPvsErrorBuffer;
|
---|
| 218 |
|
---|
[1151] | 219 | protected:
|
---|
| 220 |
|
---|
[2538] | 221 | void CreateVertexArrays();
|
---|
| 222 | void DeleteVbos();
|
---|
| 223 | void EnableDrawArrays();
|
---|
| 224 | void DisableDrawArrays();
|
---|
[1151] | 225 |
|
---|
[2538] | 226 | void RenderKdLeaf(KdLeaf *leaf);
|
---|
[1931] | 227 |
|
---|
[1151] | 228 |
|
---|
[2538] | 229 | //////////////////
|
---|
[1151] | 230 |
|
---|
[2538] | 231 | PvsCache mPvsCache;
|
---|
[1151] | 232 |
|
---|
[2538] | 233 | unsigned int mVboId;
|
---|
| 234 | vector<OcclusionQuery *> mOcclusionQueries;
|
---|
[1151] | 235 |
|
---|
[2538] | 236 | ObjectContainer mObjects;
|
---|
[1594] | 237 |
|
---|
[2538] | 238 | Vector3 mViewPoint;
|
---|
| 239 | Vector3 mViewDirection;
|
---|
[1151] | 240 |
|
---|
[2538] | 241 | int timerId;
|
---|
| 242 | bool mUseFalseColors;
|
---|
| 243 | bool mUseForcedColors;
|
---|
[1151] | 244 |
|
---|
[2538] | 245 | HaltonSequence halton;
|
---|
| 246 |
|
---|
| 247 |
|
---|
| 248 | bool mDetectEmptyViewSpace;
|
---|
| 249 | bool mSnapErrorFrames;
|
---|
| 250 |
|
---|
| 251 | bool mRenderBoxes;
|
---|
| 252 |
|
---|
| 253 | bool mUseGlLists;
|
---|
| 254 |
|
---|
| 255 | std::string mSnapPrefix;
|
---|
| 256 |
|
---|
| 257 | GLUquadric *mSphere;
|
---|
| 258 |
|
---|
| 259 | KdTree *mKdTree;
|
---|
| 260 |
|
---|
| 261 | Vector3 *mData;
|
---|
| 262 | unsigned int *mIndices;
|
---|
| 263 |
|
---|
| 264 | bool mUseVbos;
|
---|
[496] | 265 | };
|
---|
| 266 |
|
---|
[2538] | 267 |
|
---|
[1146] | 268 | /* Class implementing an OpenGl render buffer.
|
---|
| 269 | */
|
---|
[1145] | 270 | class GlRendererBuffer: public GlRenderer
|
---|
[496] | 271 | {
|
---|
[1145] | 272 |
|
---|
[496] | 273 | public:
|
---|
[1151] | 274 |
|
---|
[1968] | 275 | GlRendererBuffer(SceneGraph *sceneGraph,
|
---|
| 276 | ViewCellsManager *viewcells,
|
---|
| 277 | KdTree *tree);
|
---|
[589] | 278 |
|
---|
[1968] | 279 | virtual ~GlRendererBuffer();
|
---|
[811] | 280 |
|
---|
[1001] | 281 | /** Evaluates render cost of a point sample.
|
---|
[1968] | 282 | @param sample the render cost sample to be evaluated
|
---|
| 283 | @param useOcclusionQueries if occlusion queries should be used or item buffer
|
---|
| 284 | @param threshold number of pixels / samples from where an object is considered visible.
|
---|
[1001] | 285 | */
|
---|
[1968] | 286 | virtual void EvalRenderCostSample(RenderCostSample &sample,
|
---|
| 287 | const bool useOcclusionQueries,
|
---|
| 288 | const int threshold);
|
---|
[811] | 289 |
|
---|
[1001] | 290 | /** Evaluates render cost of a number of point samples. The point samples
|
---|
[1968] | 291 | are distributed uniformly over the defined view space.
|
---|
[811] | 292 |
|
---|
[1968] | 293 | @param numSamples the number of point samples taken
|
---|
| 294 | @param samples stores the taken point samples in a container
|
---|
| 295 | @param useOcclusionQueries if occlusion queries should be used or item buffer
|
---|
| 296 | @param threshold number of pixels / samples from where an object is considered visible.
|
---|
[1001] | 297 | */
|
---|
[1968] | 298 | virtual void SampleRenderCost(const int numSamples,
|
---|
[2538] | 299 | vector<RenderCostSample> &samples,
|
---|
| 300 | const bool useOcclusionQueries,
|
---|
| 301 | const int threshold = 0);
|
---|
[1145] | 302 | /** Implerment in subclasses.
|
---|
| 303 | */
|
---|
[1968] | 304 | virtual void EvalPvsStat();
|
---|
[1001] | 305 |
|
---|
[2048] | 306 | virtual void EvalPvsStat(const SimpleRayContainer &viewPoints);
|
---|
[496] | 307 |
|
---|
[1968] | 308 | virtual int GetWidth() const = 0;
|
---|
| 309 | virtual int GetHeight() const = 0;
|
---|
[496] | 310 |
|
---|
[1968] | 311 | virtual void MakeCurrent() = 0;
|
---|
| 312 | virtual void DoneCurrent() = 0;
|
---|
[507] | 313 |
|
---|
[2023] | 314 | virtual bool ValidViewPoint();
|
---|
[507] | 315 |
|
---|
[1968] | 316 | virtual void SampleBeamContributions(
|
---|
[2538] | 317 | Intersectable *sourceObject,
|
---|
| 318 | Beam &beam,
|
---|
| 319 | const int samples,
|
---|
| 320 | BeamSampleStatistics &stat
|
---|
| 321 | );
|
---|
[507] | 322 |
|
---|
[2538] | 323 | virtual void SampleViewpointContributions(
|
---|
| 324 | Intersectable *sourceObject,
|
---|
| 325 | const Vector3 viewPoint,
|
---|
| 326 | Beam &beam,
|
---|
| 327 | const int desiredSamples,
|
---|
| 328 | BeamSampleStatistics &stat
|
---|
| 329 | );
|
---|
[540] | 330 |
|
---|
[1968] | 331 | virtual void InitGL();
|
---|
| 332 | /** Computes rays from information gained with hw sampling-
|
---|
| 333 | */
|
---|
| 334 | virtual void ComputeRays(Intersectable *sourceObj, VssRayContainer &rays);
|
---|
[540] | 335 |
|
---|
[1968] | 336 | virtual int ComputePvs() const = 0;
|
---|
[713] | 337 |
|
---|
[1968] | 338 | virtual int ComputePvs(ObjectContainer &objects, ObjectContainer &pvs) const = 0;
|
---|
[1931] | 339 |
|
---|
| 340 |
|
---|
[1145] | 341 | protected:
|
---|
[746] | 342 |
|
---|
[1968] | 343 | unsigned int *mPixelBuffer;
|
---|
[746] | 344 |
|
---|
[1968] | 345 | static void GenQueries(const int numQueries);
|
---|
| 346 |
|
---|
| 347 | virtual void SetupProjectionForViewPoint(const Vector3 &viewPoint,
|
---|
[2538] | 348 | const Beam &beam,
|
---|
| 349 | Intersectable *sourceObject);
|
---|
[1001] | 350 | /** Evaluates query for one direction using item buffer.
|
---|
| 351 | */
|
---|
[1968] | 352 | virtual void EvalQueryWithItemBuffer();
|
---|
[1001] | 353 | /** Evaluates query for one direction using occlusion queries.
|
---|
| 354 | */
|
---|
[1968] | 355 | virtual void EvalQueryWithOcclusionQueries();
|
---|
[496] | 356 | };
|
---|
| 357 |
|
---|
[1146] | 358 |
|
---|
| 359 | /** Abstract class for implmenenting a gl render widget.
|
---|
| 360 | */
|
---|
[1151] | 361 | class GlRendererWidget: public GlRenderer
|
---|
[1146] | 362 | {
|
---|
| 363 | public:
|
---|
[1968] | 364 |
|
---|
[1151] | 365 | GlRendererWidget(SceneGraph *sceneGraph, ViewCellsManager *vcm, KdTree *kdTree):
|
---|
| 366 | GlRenderer(sceneGraph, vcm, kdTree)
|
---|
[1968] | 367 | {}
|
---|
[1146] | 368 |
|
---|
[1968] | 369 | GlRendererWidget() {}
|
---|
[1146] | 370 |
|
---|
[1968] | 371 | virtual ~GlRendererWidget() {}
|
---|
[2538] | 372 |
|
---|
[1968] | 373 | virtual void Show() {}
|
---|
[608] | 374 | };
|
---|
| 375 |
|
---|
[1151] | 376 |
|
---|
[1146] | 377 | };
|
---|
[492] | 378 |
|
---|
[1387] | 379 | #endif
|
---|