[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;
|
---|
[2600] | 30 | class SceneGraphLeaf;
|
---|
[2702] | 31 | class Preprocessor;
|
---|
[2048] | 32 |
|
---|
[540] | 33 | struct VssRayContainer;
|
---|
[2593] | 34 | struct GLUquadric;
|
---|
[540] | 35 |
|
---|
[2593] | 36 |
|
---|
| 37 | struct PvsRenderStatistics
|
---|
| 38 | {
|
---|
[492] | 39 | float maxError;
|
---|
| 40 | float sumError;
|
---|
[713] | 41 | int sumPvsSize;
|
---|
[492] | 42 | int frames;
|
---|
| 43 | int errorFreeFrames;
|
---|
[502] | 44 |
|
---|
[492] | 45 | PvsRenderStatistics() { Reset(); }
|
---|
| 46 |
|
---|
[2593] | 47 | void Reset()
|
---|
| 48 | {
|
---|
[492] | 49 | maxError = 0.0f;
|
---|
| 50 | sumError = 0.0f;
|
---|
| 51 | frames = 0;
|
---|
| 52 | errorFreeFrames = 0;
|
---|
[713] | 53 | sumPvsSize = 0;
|
---|
[492] | 54 | }
|
---|
| 55 |
|
---|
| 56 | float GetMaxError() { return maxError; }
|
---|
| 57 | float GetAvgError() { return sumError/frames; }
|
---|
| 58 | float GetErrorFreeFrames() { return errorFreeFrames/(float)frames; }
|
---|
[713] | 59 | float GetAvgPvs() { return sumPvsSize/(float)frames; }
|
---|
[492] | 60 |
|
---|
| 61 | };
|
---|
| 62 |
|
---|
[2538] | 63 |
|
---|
[2593] | 64 | struct PvsCache
|
---|
| 65 | {
|
---|
| 66 | PvsCache():mViewCell(NULL), mUnfilteredPvsSize(0) {}
|
---|
[1824] | 67 |
|
---|
[2593] | 68 | void Reset()
|
---|
| 69 | {
|
---|
[2643] | 70 | mViewCell = NULL;
|
---|
| 71 | mPvs.Clear();
|
---|
[2593] | 72 | filteredBoxes.clear();
|
---|
| 73 | mUnfilteredPvsSize = 0;
|
---|
| 74 | }
|
---|
| 75 |
|
---|
| 76 | ViewCell *mViewCell;
|
---|
| 77 | ObjectPvs mPvs;
|
---|
| 78 | int mUnfilteredPvsSize;
|
---|
| 79 | vector<AxisAlignedBox3> filteredBoxes;
|
---|
| 80 | };
|
---|
| 81 |
|
---|
| 82 |
|
---|
[811] | 83 | struct RenderCostSample {
|
---|
[496] | 84 |
|
---|
[811] | 85 | RenderCostSample() {}
|
---|
| 86 |
|
---|
| 87 | void Reset() {
|
---|
| 88 | mVisibleObjects = 0;
|
---|
| 89 | mVisiblePixels = 0;
|
---|
| 90 | }
|
---|
| 91 |
|
---|
[991] | 92 | Vector3 mPosition;
|
---|
| 93 |
|
---|
[811] | 94 | // visible object from the given point
|
---|
| 95 | int mVisibleObjects;
|
---|
| 96 |
|
---|
| 97 | // visible pixels
|
---|
| 98 | int mVisiblePixels;
|
---|
[1161] | 99 |
|
---|
| 100 | ObjectPvs mPvs;
|
---|
[811] | 101 |
|
---|
| 102 | };
|
---|
| 103 |
|
---|
[496] | 104 | /** Class encapsulating gl rendering for the scene.
|
---|
| 105 | There is no gl context binding so the binding is performed in the
|
---|
| 106 | derived classes
|
---|
| 107 | */
|
---|
[497] | 108 | class GlRenderer: public Renderer
|
---|
[492] | 109 | {
|
---|
[2538] | 110 | friend class GlobalLinesRenderer;
|
---|
| 111 | friend class ViewCellsManager;
|
---|
[496] | 112 |
|
---|
[492] | 113 | public:
|
---|
| 114 |
|
---|
| 115 | GlRenderer(SceneGraph *sceneGraph,
|
---|
[532] | 116 | ViewCellsManager *viewcells,
|
---|
| 117 | KdTree *tree);
|
---|
[496] | 118 |
|
---|
[1151] | 119 | GlRenderer() {}
|
---|
| 120 |
|
---|
[1145] | 121 | virtual ~GlRenderer();
|
---|
[492] | 122 |
|
---|
[496] | 123 |
|
---|
[1931] | 124 | virtual void RandomViewPoint();
|
---|
| 125 |
|
---|
[1960] | 126 | void SetupFalseColor(const unsigned int id);
|
---|
[492] | 127 | void RenderIntersectable(Intersectable *);
|
---|
[535] | 128 | void RenderViewCell(ViewCell *vc);
|
---|
[492] | 129 | void RenderMeshInstance(MeshInstance *mi);
|
---|
[1001] | 130 | void RenderTransformedMeshInstance(TransformedMeshInstance *mi);
|
---|
[492] | 131 | void RenderMesh(Mesh *m);
|
---|
| 132 | void SetupMaterial(Material *m);
|
---|
[502] | 133 | virtual void SetupCamera();
|
---|
[1581] | 134 |
|
---|
| 135 | void
|
---|
[2593] | 136 | RenderRays(const VssRayContainer &rays, int colorType = 0, int showDistribution = 15, int maxAge = 9999999);
|
---|
[1581] | 137 |
|
---|
| 138 | void
|
---|
| 139 | RenderTriangle(TriangleIntersectable *object);
|
---|
| 140 |
|
---|
[1585] | 141 | void
|
---|
| 142 | RenderBox(const AxisAlignedBox3 &box);
|
---|
| 143 |
|
---|
| 144 | void
|
---|
| 145 | RenderBvhNode(BvhNode *node);
|
---|
[1594] | 146 |
|
---|
| 147 | void
|
---|
| 148 | RenderKdNode(KdNode *node);
|
---|
| 149 |
|
---|
[497] | 150 | bool
|
---|
[496] | 151 | RenderScene();
|
---|
[492] | 152 |
|
---|
[811] | 153 | void
|
---|
| 154 | _RenderScene();
|
---|
[589] | 155 |
|
---|
[1983] | 156 | void
|
---|
[2002] | 157 | _RenderSceneTriangles();
|
---|
| 158 |
|
---|
[2538] | 159 | void _RenderSceneTrianglesWithDrawArrays();
|
---|
| 160 |
|
---|
[2002] | 161 | void
|
---|
[1983] | 162 | RenderViewPoint();
|
---|
[811] | 163 |
|
---|
[2615] | 164 | void _RenderDynamicObject(SceneGraphLeaf *leaf);
|
---|
| 165 |
|
---|
[608] | 166 | virtual void
|
---|
[811] | 167 | SetupProjection(const int w, const int h, const float angle = 70.0f);
|
---|
[496] | 168 |
|
---|
[2023] | 169 | virtual bool ValidViewPoint();
|
---|
[496] | 170 |
|
---|
[2664] | 171 | virtual float GetPixelError(int &pvsSize);
|
---|
[496] | 172 |
|
---|
[2664] | 173 | virtual void EvalPvsStat();
|
---|
[496] | 174 |
|
---|
[2670] | 175 | /** Prepare the pvs for rendering.
|
---|
| 176 | */
|
---|
| 177 | virtual void PreparePvs(const ObjectPvs &pvs);
|
---|
| 178 | /** Helper function that recursively prepares the indices for VBO renderin.
|
---|
| 179 | */
|
---|
[2620] | 180 | void _UpdatePvsIndices(KdNode *node, int &indexBufferSize);
|
---|
| 181 |
|
---|
| 182 |
|
---|
[2048] | 183 | virtual void EvalPvsStat(const SimpleRayContainer &viewPoints);
|
---|
| 184 |
|
---|
[1997] | 185 | virtual void InitGL();
|
---|
[496] | 186 |
|
---|
[1940] | 187 | virtual int GetWidth() const { return 0; }
|
---|
| 188 | virtual int GetHeight() const { return 0; }
|
---|
[540] | 189 |
|
---|
[1960] | 190 | unsigned int GetId(const unsigned char r,
|
---|
| 191 | const unsigned char g,
|
---|
| 192 | const unsigned char b) const;
|
---|
[1151] | 193 |
|
---|
| 194 | inline const bool GetSnapErrorFrames() { return mSnapErrorFrames; }
|
---|
[2176] | 195 | inline const std::string GetSnapPrefix() { return mSnapPrefix; }
|
---|
[1151] | 196 |
|
---|
| 197 | inline void SetSnapErrorFrames(bool snapframes) { mSnapErrorFrames = snapframes; }
|
---|
[2176] | 198 | inline void SetSnapPrefix(const std::string &pref) { mSnapPrefix = pref; }
|
---|
[1151] | 199 |
|
---|
[1931] | 200 | virtual void ClearErrorBuffer();
|
---|
| 201 |
|
---|
[2002] | 202 | virtual float GetAvgPixelError() {
|
---|
| 203 | return mPvsStat.GetAvgError()*GetWidth()*GetHeight();
|
---|
| 204 | }
|
---|
[2008] | 205 |
|
---|
| 206 | virtual float GetMaxPixelError() {
|
---|
[2543] | 207 | return mPvsStat.GetMaxError()*GetWidth()*GetHeight();
|
---|
[2008] | 208 | }
|
---|
[2543] | 209 |
|
---|
[2598] | 210 | void SetViewPoint(const Vector3 &vp) { mViewPoint = vp; }
|
---|
| 211 | void SetViewDirection(const Vector3 &vd) { mViewDirection = vd; }
|
---|
| 212 |
|
---|
[2625] | 213 | Vector3 GetViewPoint() const { return mViewPoint; }
|
---|
[2670] | 214 |
|
---|
[2686] | 215 | bool GetUseVbos() const { return mUseVbos; }
|
---|
[2670] | 216 |
|
---|
[2686] | 217 |
|
---|
[1832] | 218 | public:
|
---|
[1940] | 219 |
|
---|
[2543] | 220 | int mCurrentFrame;
|
---|
| 221 | int mFrame;
|
---|
| 222 | bool mWireFrame;
|
---|
[1931] | 223 |
|
---|
[2543] | 224 | PvsRenderStatistics mPvsStat;
|
---|
[2017] | 225 |
|
---|
[2620] | 226 | unsigned int mIndexBufferSize;
|
---|
| 227 |
|
---|
[2543] | 228 | int mPvsStatFrames;
|
---|
| 229 | struct PvsErrorEntry {
|
---|
| 230 | PvsErrorEntry() {}
|
---|
| 231 | float mError;
|
---|
| 232 | int mPvsSize;
|
---|
| 233 | Vector3 mPosition;
|
---|
| 234 | Vector3 mDirection;
|
---|
| 235 | };
|
---|
[2050] | 236 |
|
---|
[2702] | 237 | Preprocessor *GetPreprocessor();
|
---|
| 238 |
|
---|
| 239 |
|
---|
[2543] | 240 | vector<PvsErrorEntry> mPvsErrorBuffer;
|
---|
[2671] | 241 |
|
---|
[2643] | 242 | bool mComputeGVS;
|
---|
[2543] | 243 |
|
---|
[1151] | 244 | protected:
|
---|
| 245 |
|
---|
[2600] | 246 | void CreateVertexArrays(SceneGraphLeaf *leaf);
|
---|
[2538] | 247 | void DeleteVbos();
|
---|
| 248 | void EnableDrawArrays();
|
---|
| 249 | void DisableDrawArrays();
|
---|
[1151] | 250 |
|
---|
[2538] | 251 | void RenderKdLeaf(KdLeaf *leaf);
|
---|
[1931] | 252 |
|
---|
[2686] | 253 |
|
---|
[2538] | 254 | //////////////////
|
---|
[1151] | 255 |
|
---|
[2538] | 256 | PvsCache mPvsCache;
|
---|
[1151] | 257 |
|
---|
[2538] | 258 | unsigned int mVboId;
|
---|
| 259 | vector<OcclusionQuery *> mOcclusionQueries;
|
---|
[1151] | 260 |
|
---|
[2538] | 261 | ObjectContainer mObjects;
|
---|
[1594] | 262 |
|
---|
[2538] | 263 | Vector3 mViewPoint;
|
---|
| 264 | Vector3 mViewDirection;
|
---|
[1151] | 265 |
|
---|
[2538] | 266 | int timerId;
|
---|
| 267 | bool mUseFalseColors;
|
---|
| 268 | bool mUseForcedColors;
|
---|
[1151] | 269 |
|
---|
[2538] | 270 | HaltonSequence halton;
|
---|
| 271 |
|
---|
| 272 |
|
---|
| 273 | bool mDetectEmptyViewSpace;
|
---|
| 274 | bool mSnapErrorFrames;
|
---|
| 275 |
|
---|
| 276 | bool mRenderBoxes;
|
---|
| 277 |
|
---|
| 278 | bool mUseGlLists;
|
---|
| 279 |
|
---|
| 280 | std::string mSnapPrefix;
|
---|
| 281 |
|
---|
| 282 | GLUquadric *mSphere;
|
---|
| 283 |
|
---|
| 284 | KdTree *mKdTree;
|
---|
| 285 |
|
---|
| 286 | Vector3 *mData;
|
---|
| 287 | unsigned int *mIndices;
|
---|
| 288 |
|
---|
| 289 | bool mUseVbos;
|
---|
[2671] | 290 |
|
---|
| 291 | int mRenderedNodes;
|
---|
[496] | 292 | };
|
---|
| 293 |
|
---|
[2538] | 294 |
|
---|
[1146] | 295 | /* Class implementing an OpenGl render buffer.
|
---|
| 296 | */
|
---|
[1145] | 297 | class GlRendererBuffer: public GlRenderer
|
---|
[496] | 298 | {
|
---|
[1145] | 299 |
|
---|
[496] | 300 | public:
|
---|
[1151] | 301 |
|
---|
[1968] | 302 | GlRendererBuffer(SceneGraph *sceneGraph,
|
---|
[2702] | 303 | ViewCellsManager *viewcells,
|
---|
| 304 | KdTree *tree);
|
---|
[589] | 305 |
|
---|
[1968] | 306 | virtual ~GlRendererBuffer();
|
---|
[811] | 307 |
|
---|
[1001] | 308 | /** Evaluates render cost of a point sample.
|
---|
[1968] | 309 | @param sample the render cost sample to be evaluated
|
---|
| 310 | @param useOcclusionQueries if occlusion queries should be used or item buffer
|
---|
| 311 | @param threshold number of pixels / samples from where an object is considered visible.
|
---|
[1001] | 312 | */
|
---|
[1968] | 313 | virtual void EvalRenderCostSample(RenderCostSample &sample,
|
---|
| 314 | const bool useOcclusionQueries,
|
---|
| 315 | const int threshold);
|
---|
[811] | 316 |
|
---|
[1001] | 317 | /** Evaluates render cost of a number of point samples. The point samples
|
---|
[1968] | 318 | are distributed uniformly over the defined view space.
|
---|
[811] | 319 |
|
---|
[1968] | 320 | @param numSamples the number of point samples taken
|
---|
| 321 | @param samples stores the taken point samples in a container
|
---|
| 322 | @param useOcclusionQueries if occlusion queries should be used or item buffer
|
---|
| 323 | @param threshold number of pixels / samples from where an object is considered visible.
|
---|
[1001] | 324 | */
|
---|
[1968] | 325 | virtual void SampleRenderCost(const int numSamples,
|
---|
[2538] | 326 | vector<RenderCostSample> &samples,
|
---|
| 327 | const bool useOcclusionQueries,
|
---|
| 328 | const int threshold = 0);
|
---|
[1145] | 329 | /** Implerment in subclasses.
|
---|
| 330 | */
|
---|
[1968] | 331 | virtual void EvalPvsStat();
|
---|
[1001] | 332 |
|
---|
[2048] | 333 | virtual void EvalPvsStat(const SimpleRayContainer &viewPoints);
|
---|
[496] | 334 |
|
---|
[1968] | 335 | virtual int GetWidth() const = 0;
|
---|
| 336 | virtual int GetHeight() const = 0;
|
---|
[496] | 337 |
|
---|
[2677] | 338 | virtual void MakeLive() = 0;
|
---|
| 339 | virtual void DoneLive() = 0;
|
---|
[507] | 340 |
|
---|
[2023] | 341 | virtual bool ValidViewPoint();
|
---|
[507] | 342 |
|
---|
[1968] | 343 | virtual void SampleBeamContributions(
|
---|
[2538] | 344 | Intersectable *sourceObject,
|
---|
| 345 | Beam &beam,
|
---|
| 346 | const int samples,
|
---|
| 347 | BeamSampleStatistics &stat
|
---|
| 348 | );
|
---|
[507] | 349 |
|
---|
[2538] | 350 | virtual void SampleViewpointContributions(
|
---|
| 351 | Intersectable *sourceObject,
|
---|
| 352 | const Vector3 viewPoint,
|
---|
| 353 | Beam &beam,
|
---|
| 354 | const int desiredSamples,
|
---|
| 355 | BeamSampleStatistics &stat
|
---|
| 356 | );
|
---|
[540] | 357 |
|
---|
[1968] | 358 | virtual void InitGL();
|
---|
| 359 | /** Computes rays from information gained with hw sampling-
|
---|
| 360 | */
|
---|
| 361 | virtual void ComputeRays(Intersectable *sourceObj, VssRayContainer &rays);
|
---|
[540] | 362 |
|
---|
[1968] | 363 | virtual int ComputePvs() const = 0;
|
---|
[713] | 364 |
|
---|
[1968] | 365 | virtual int ComputePvs(ObjectContainer &objects, ObjectContainer &pvs) const = 0;
|
---|
[1931] | 366 |
|
---|
| 367 |
|
---|
[1145] | 368 | protected:
|
---|
[746] | 369 |
|
---|
[1968] | 370 | unsigned int *mPixelBuffer;
|
---|
[746] | 371 |
|
---|
[2663] | 372 | static void GenQueries(int numQueries);
|
---|
[1968] | 373 |
|
---|
| 374 | virtual void SetupProjectionForViewPoint(const Vector3 &viewPoint,
|
---|
[2538] | 375 | const Beam &beam,
|
---|
| 376 | Intersectable *sourceObject);
|
---|
[1001] | 377 | /** Evaluates query for one direction using item buffer.
|
---|
| 378 | */
|
---|
[1968] | 379 | virtual void EvalQueryWithItemBuffer();
|
---|
[1001] | 380 | /** Evaluates query for one direction using occlusion queries.
|
---|
| 381 | */
|
---|
[1968] | 382 | virtual void EvalQueryWithOcclusionQueries();
|
---|
[496] | 383 | };
|
---|
| 384 |
|
---|
[1146] | 385 |
|
---|
| 386 | /** Abstract class for implmenenting a gl render widget.
|
---|
| 387 | */
|
---|
[1151] | 388 | class GlRendererWidget: public GlRenderer
|
---|
[1146] | 389 | {
|
---|
| 390 | public:
|
---|
[1968] | 391 |
|
---|
[1151] | 392 | GlRendererWidget(SceneGraph *sceneGraph, ViewCellsManager *vcm, KdTree *kdTree):
|
---|
| 393 | GlRenderer(sceneGraph, vcm, kdTree)
|
---|
[1968] | 394 | {}
|
---|
[1146] | 395 |
|
---|
[1968] | 396 | GlRendererWidget() {}
|
---|
[1146] | 397 |
|
---|
[1968] | 398 | virtual ~GlRendererWidget() {}
|
---|
[2538] | 399 |
|
---|
[1968] | 400 | virtual void Show() {}
|
---|
[608] | 401 | };
|
---|
| 402 |
|
---|
[1151] | 403 |
|
---|
[1146] | 404 | };
|
---|
[492] | 405 |
|
---|
[1387] | 406 | #endif
|
---|