[154] | 1 | #include "OgreOcclusionQueriesQueryManager.h" |
---|
| 2 | #include <OgreLogManager.h> |
---|
| 3 | #include <OgreStringConverter.h> |
---|
| 4 | #include <vector> |
---|
[171] | 5 | #include <OgreSubEntity.h> |
---|
[154] | 6 | |
---|
| 7 | |
---|
| 8 | namespace Ogre { |
---|
[171] | 9 | |
---|
| 10 | //----------------------------------------------------------------------- |
---|
| 11 | OcclusionQueriesQueryManager::OcclusionQueriesQueryManager( |
---|
| 12 | PlatformHierarchyInterface *hierarchyInterface, |
---|
| 13 | Viewport *vp, |
---|
[174] | 14 | int queryModes, |
---|
| 15 | int itemBufferMode): |
---|
| 16 | PlatformQueryManager(hierarchyInterface, vp, queryModes), |
---|
| 17 | mItemBufferMode(itemBufferMode) |
---|
[154] | 18 | { |
---|
| 19 | } |
---|
| 20 | //----------------------------------------------------------------------- |
---|
| 21 | void OcclusionQueriesQueryManager::ComputeCameraVisibility(const Camera &camera, |
---|
[316] | 22 | GtpVisibility::NodeInfoContainer *visibleNodes, |
---|
| 23 | GtpVisibility::MeshInfoContainer *visibleGeometry, |
---|
| 24 | GtpVisibility::PatchInfoContainer *visiblePatches, |
---|
[154] | 25 | bool relativeVisibility) |
---|
| 26 | { |
---|
[174] | 27 | // we need access to the scene manager and the rendersystem |
---|
[154] | 28 | PlatformHierarchyInterface *pfHierarchyInterface = |
---|
[726] | 29 | //dynamic_cast<PlatformHierarchyInterface *>(mHierarchyInterface); |
---|
| 30 | static_cast<PlatformHierarchyInterface *>(mHierarchyInterface); |
---|
[154] | 31 | |
---|
| 32 | // disable overlays, reset them later |
---|
| 33 | bool overlayEnabled = mViewport->getOverlaysEnabled(); |
---|
| 34 | |
---|
[171] | 35 | //-- render scene with item buffer (i.e., objects with their id as color codes) |
---|
[175] | 36 | //mItemBufferMode = 0; |
---|
[174] | 37 | if ((mItemBufferMode && mQueryModes) != 0) |
---|
[171] | 38 | { |
---|
[174] | 39 | int savedQueryModes = mQueryModes; |
---|
| 40 | mQueryModes = mItemBufferMode; |
---|
| 41 | |
---|
[171] | 42 | PlatformQueryManager::ComputeCameraVisibility(camera, visibleNodes, |
---|
| 43 | visibleGeometry, visiblePatches, relativeVisibility); |
---|
[174] | 44 | |
---|
| 45 | // overlays cause false visibility |
---|
[171] | 46 | mViewport->setOverlaysEnabled(false); |
---|
[174] | 47 | mQueryModes = savedQueryModes; |
---|
[171] | 48 | } |
---|
| 49 | else |
---|
| 50 | { |
---|
| 51 | // const_cast allowed because camera is not changed in renderScene |
---|
| 52 | Camera *pCam = const_cast<Camera *>(&camera); |
---|
| 53 | mViewport->setOverlaysEnabled(false); |
---|
| 54 | |
---|
| 55 | //-- Render scene to get conservative visibility and fill depth buffer |
---|
| 56 | pfHierarchyInterface->GetSceneManager()->_renderScene(pCam, mViewport, false); |
---|
| 57 | } |
---|
| 58 | |
---|
| 59 | |
---|
| 60 | /* Two query lists for projected pixels and for visibile pixels: |
---|
[154] | 61 | We test queries after a rendering pass |
---|
| 62 | to get exact visibility with regard to the current camera. |
---|
| 63 | We issue all queries at once to avoid starvation & stalls. |
---|
| 64 | */ |
---|
| 65 | GtpVisibility::QueryList queryList[2]; |
---|
| 66 | |
---|
[174] | 67 | // rendered visibile hierarchy nodes from previous rendering |
---|
[370] | 68 | GtpVisibility::NodeVector *visNodes = mHierarchyInterface->GetVisibleNodes(); |
---|
| 69 | GtpVisibility::NodeVector::iterator visNodesIt, visNodesIt_end = visNodes->end(); |
---|
[171] | 70 | |
---|
[370] | 71 | GtpVisibility::NodeVector nodeList; |
---|
[174] | 72 | |
---|
[175] | 73 | if (mQueryModes & NODE_VISIBILITY) |
---|
[174] | 74 | { |
---|
| 75 | for (visNodesIt = visNodes->begin(); visNodesIt != visNodesIt_end; ++visNodesIt) |
---|
| 76 | { |
---|
| 77 | nodeList.push_back((*visNodesIt)); |
---|
| 78 | } |
---|
| 79 | } |
---|
| 80 | |
---|
[370] | 81 | GtpVisibility::NodeVector::iterator nodeIt, nodeIt_end = nodeList.end(); |
---|
[174] | 82 | |
---|
[154] | 83 | // vector for storing entities of meshes |
---|
[370] | 84 | GtpVisibility::GeometryVector geometryList; |
---|
[154] | 85 | |
---|
[174] | 86 | // store geometry of the hierarchy nodes in a geometry list |
---|
[175] | 87 | if (mQueryModes & GEOMETRY_VISIBILITY) |
---|
[174] | 88 | { |
---|
| 89 | for (visNodesIt = visNodes->begin(); visNodesIt != visNodesIt_end; ++visNodesIt) |
---|
| 90 | { |
---|
| 91 | mHierarchyInterface->GetNodeGeometryList(*visNodesIt, &geometryList, false); |
---|
| 92 | } |
---|
[171] | 93 | } |
---|
[174] | 94 | |
---|
[171] | 95 | // geometry list iterator |
---|
[370] | 96 | GtpVisibility::GeometryVector::iterator geometryIt, geometryIt_end = geometryList.end(); |
---|
[171] | 97 | |
---|
[173] | 98 | // vector for storing subentities of meshes |
---|
[370] | 99 | GtpVisibility::PatchVector patchList; |
---|
[174] | 100 | |
---|
| 101 | // store patchges of the geometries in a patch list |
---|
[175] | 102 | if (mQueryModes & PATCH_VISIBILITY) |
---|
[174] | 103 | { |
---|
| 104 | for (visNodesIt = visNodes->begin(); visNodesIt != visNodesIt_end; ++visNodesIt) |
---|
| 105 | { |
---|
| 106 | GetNodePatchList(*visNodesIt, &patchList); |
---|
| 107 | } |
---|
| 108 | } |
---|
| 109 | |
---|
[370] | 110 | GtpVisibility::PatchVector::iterator patchIt, patchIt_end = patchList.end(); |
---|
[171] | 111 | |
---|
[154] | 112 | // to obtain the correct number of projected pixels, depth write must be disabled |
---|
| 113 | bool enableDepthWrite = false; |
---|
| 114 | // this option must be provided by the scene manager |
---|
| 115 | pfHierarchyInterface->GetSceneManager()->setOption("DepthWrite", &enableDepthWrite); |
---|
| 116 | |
---|
[171] | 117 | |
---|
[154] | 118 | /* relative visiblity: |
---|
[171] | 119 | 1) get visible pixels count of objects |
---|
| 120 | 2) clear frame buffer |
---|
| 121 | 3) get projected visible pixels count: |
---|
| 122 | test all objects again without depth write (set as option in scene manager) |
---|
| 123 | 4) calculate ratio between visible vs. projected pixels |
---|
[154] | 124 | */ |
---|
[171] | 125 | |
---|
[154] | 126 | // for relative visibility we need 2 rendering passes |
---|
| 127 | int n = relativeVisibility ? 2 : 1; |
---|
[175] | 128 | if (mItemBufferMode > 0) |
---|
| 129 | LogManager::getSingleton().logMessage("item buffer"); |
---|
| 130 | |
---|
[171] | 131 | for (int i = 0; i < n; ++i) |
---|
[154] | 132 | { |
---|
| 133 | //-- queries for hierarchy nodes |
---|
[174] | 134 | for (nodeIt = nodeList.begin(); nodeIt != nodeIt_end; ++nodeIt) |
---|
[154] | 135 | { |
---|
| 136 | // TODO: DELETE QUERIES FROM PREVIOUS RENDER |
---|
[175] | 137 | queryList[i].push_back(mHierarchyInterface->IssueNodeOcclusionQuery(*nodeIt, false)); |
---|
[154] | 138 | } |
---|
| 139 | |
---|
[171] | 140 | //-- queries for geometry: if item buffer, capture only projected visibility |
---|
[174] | 141 | if ((mItemBufferMode != GEOMETRY_VISIBILITY) || (i == 1)) |
---|
[175] | 142 | { |
---|
[174] | 143 | for (geometryIt = geometryList.begin(); geometryIt != geometryIt_end; ++geometryIt) |
---|
| 144 | { |
---|
[175] | 145 | queryList[i].push_back(pfHierarchyInterface->IssueMeshOcclusionQuery(*geometryIt)); |
---|
[174] | 146 | } |
---|
[173] | 147 | } |
---|
| 148 | |
---|
| 149 | //-- queries for patches: if item buffer, capture only projected visibility |
---|
[174] | 150 | if ((mItemBufferMode != PATCH_VISIBILITY) || (i == 1)) |
---|
[154] | 151 | { |
---|
[173] | 152 | for (patchIt = patchList.begin(); patchIt != patchIt_end; ++patchIt) |
---|
[171] | 153 | { |
---|
[175] | 154 | queryList[i].push_back(pfHierarchyInterface->IssuePatchOcclusionQuery(*patchIt)); |
---|
[171] | 155 | } |
---|
[154] | 156 | } |
---|
| 157 | |
---|
| 158 | pfHierarchyInterface->GetRenderSystem()->clearFrameBuffer(FBT_DEPTH); |
---|
| 159 | } |
---|
| 160 | |
---|
[171] | 161 | |
---|
| 162 | //-- collect results |
---|
| 163 | GtpVisibility::QueryList::iterator visQueryIt = queryList[0].begin(); |
---|
| 164 | GtpVisibility::QueryList::iterator projQueryIt = queryList[1].begin(); |
---|
| 165 | |
---|
[174] | 166 | // collect occlusion queries for hierarchy nodes |
---|
| 167 | CollectNodeVisibility(visQueryIt, projQueryIt, &nodeList, visibleNodes, relativeVisibility); |
---|
[171] | 168 | |
---|
[174] | 169 | |
---|
| 170 | // collect occlusion queries for geometry |
---|
| 171 | if ((mItemBufferMode == GEOMETRY_VISIBILITY) && relativeVisibility) |
---|
[171] | 172 | { |
---|
[174] | 173 | // if visibility was established using the item buffer, |
---|
| 174 | // the array is organized different (e.g., ordered by id, all possible objects) |
---|
| 175 | CollectRelativeGeometryVisibilityForItemBuffer(projQueryIt, &geometryList, visibleGeometry); |
---|
| 176 | } |
---|
[175] | 177 | else if (mItemBufferMode != GEOMETRY_VISIBILITY) |
---|
[171] | 178 | { |
---|
[174] | 179 | CollectGeometryVisibility(visQueryIt, projQueryIt, &geometryList, visibleGeometry, |
---|
| 180 | relativeVisibility); |
---|
| 181 | } |
---|
| 182 | |
---|
| 183 | |
---|
| 184 | // collect occlusion queries for patches |
---|
| 185 | if ((mItemBufferMode == PATCH_VISIBILITY) && relativeVisibility) |
---|
| 186 | { |
---|
| 187 | CollectRelativePatchVisibilityForItemBuffer(projQueryIt, &patchList, visiblePatches); |
---|
| 188 | } |
---|
[175] | 189 | else if (mItemBufferMode != PATCH_VISIBILITY) |
---|
[174] | 190 | { |
---|
[173] | 191 | CollectPatchVisibility(visQueryIt, projQueryIt, &patchList, visiblePatches, relativeVisibility); |
---|
| 192 | } |
---|
[174] | 193 | |
---|
[173] | 194 | |
---|
[171] | 195 | //-- reset options
|
---|
[154] | 196 | enableDepthWrite = true; |
---|
| 197 | // this option must be provided by the scene manager |
---|
| 198 | pfHierarchyInterface->GetSceneManager()->setOption("DepthWrite", &enableDepthWrite); |
---|
| 199 | // reset old overlay status |
---|
[171] | 200 | mViewport->setOverlaysEnabled(overlayEnabled);
|
---|
| 201 |
|
---|
| 202 | mWasInitialised = false;
|
---|
| 203 | } |
---|
| 204 | //----------------------------------------------------------------------- |
---|
| 205 | void OcclusionQueriesQueryManager::ComputeFromPointVisibility(const Vector3 &point, |
---|
[316] | 206 | GtpVisibility::NodeInfoContainer *visibleNodes, |
---|
| 207 | GtpVisibility::MeshInfoContainer *visibleGeometry, |
---|
| 208 | GtpVisibility::PatchInfoContainer *visiblePatches, |
---|
[171] | 209 | bool relativeVisibility) |
---|
| 210 | { |
---|
| 211 | PlatformQueryManager::ComputeFromPointVisibility(point, visibleNodes, |
---|
| 212 | visibleGeometry, visiblePatches, relativeVisibility); |
---|
[154] | 213 | |
---|
[175] | 214 | // adds up their visibility and removes duplicates |
---|
| 215 | // (duplicates occur if an object is on the edge of the viewport) |
---|
[171] | 216 | RemoveDuplicateNodes(visibleNodes); |
---|
[154] | 217 | |
---|
[174] | 218 | if (mItemBufferMode != GEOMETRY_VISIBILITY) |
---|
[154] | 219 | { |
---|
[171] | 220 | RemoveDuplicateGeometry(visibleGeometry); |
---|
| 221 | } |
---|
[174] | 222 | |
---|
| 223 | if (mItemBufferMode != PATCH_VISIBILITY) |
---|
| 224 | { |
---|
| 225 | RemoveDuplicatePatches(visiblePatches); |
---|
| 226 | } |
---|
[171] | 227 | } |
---|
[645] | 228 | //------------------------------------------------------------------------ |
---|
[171] | 229 | void OcclusionQueriesQueryManager::CollectNodeVisibility( |
---|
| 230 | GtpVisibility::QueryList::iterator &visQueryIt, |
---|
| 231 | GtpVisibility::QueryList::iterator &projQueryIt, |
---|
[370] | 232 | GtpVisibility::NodeVector *nodeList, |
---|
[316] | 233 | GtpVisibility::NodeInfoContainer *visibleNodes, |
---|
[171] | 234 | bool relativeVisibility) |
---|
| 235 | { |
---|
[370] | 236 | GtpVisibility::NodeVector::iterator nodeIt; |
---|
[171] | 237 | |
---|
| 238 | //-- queries for nodes |
---|
| 239 | for (nodeIt = nodeList->begin(); nodeIt != nodeList->end(); ++nodeIt) |
---|
| 240 | { |
---|
[154] | 241 | unsigned int visiblePixels = 0; |
---|
| 242 | (*visQueryIt)->GetQueryResult(visiblePixels, true); |
---|
| 243 | |
---|
| 244 | unsigned int projectedPixels = 0; |
---|
| 245 | |
---|
| 246 | if (relativeVisibility) |
---|
| 247 | { |
---|
| 248 | (*projQueryIt)->GetQueryResult(projectedPixels, true); |
---|
| 249 | |
---|
| 250 | ++projQueryIt; |
---|
| 251 | } |
---|
| 252 | |
---|
| 253 | ++visQueryIt; |
---|
| 254 | |
---|
| 255 | // node with visibilty 0 in queue (e.g., if node is intersected by near plane) |
---|
| 256 | if (visiblePixels > 0) |
---|
| 257 | { |
---|
[171] | 258 | visibleNodes->push_back(GtpVisibility::NodeInfo(*nodeIt, visiblePixels, |
---|
| 259 | projectedPixels)); |
---|
[154] | 260 | } |
---|
| 261 | }
|
---|
[171] | 262 | }
|
---|
| 263 | //----------------------------------------------------------------------- |
---|
| 264 | void OcclusionQueriesQueryManager::CollectRelativeGeometryVisibilityForItemBuffer( |
---|
| 265 | GtpVisibility::QueryList::iterator &projQueryIt,
|
---|
[370] | 266 | GtpVisibility::GeometryVector *geometryList,
|
---|
[316] | 267 | GtpVisibility::MeshInfoContainer *visibleGeometry)
|
---|
[171] | 268 | {
|
---|
[370] | 269 | GtpVisibility::GeometryVector::iterator geometryIt;
|
---|
[154] | 270 |
|
---|
[171] | 271 | //-- queries for geometry |
---|
| 272 | for (geometryIt = geometryList->begin(); geometryIt != geometryList->end(); ++ geometryIt) |
---|
[154] | 273 | { |
---|
[171] | 274 | unsigned int projectedPixels = 0; |
---|
| 275 | |
---|
| 276 | (*projQueryIt)->GetQueryResult(projectedPixels, true); |
---|
| 277 | |
---|
| 278 | ++projQueryIt; |
---|
| 279 | int id = (*geometryIt)->getSubEntity(0)->getId(); |
---|
| 280 | |
---|
| 281 | if ((id > 0) && (id < (int)visibleGeometry->size())) |
---|
| 282 | { |
---|
| 283 | (*visibleGeometry)[id].AddVisibility(0, projectedPixels); |
---|
| 284 | } |
---|
| 285 | }
|
---|
| 286 | }
|
---|
| 287 | //----------------------------------------------------------------------- |
---|
| 288 | void OcclusionQueriesQueryManager::CollectRelativePatchVisibilityForItemBuffer( |
---|
| 289 | GtpVisibility::QueryList::iterator &projQueryIt,
|
---|
[370] | 290 | GtpVisibility::PatchVector *patchList,
|
---|
[316] | 291 | GtpVisibility::PatchInfoContainer *visiblePatches)
|
---|
[171] | 292 | {
|
---|
[370] | 293 | GtpVisibility::PatchVector::iterator patchIt;
|
---|
[171] | 294 |
|
---|
| 295 | //-- queries for geometry |
---|
| 296 | for (patchIt = patchList->begin(); patchIt != patchList->end(); ++ patchIt) |
---|
| 297 | { |
---|
| 298 | unsigned int projectedPixels = 0; |
---|
| 299 | |
---|
| 300 | (*projQueryIt)->GetQueryResult(projectedPixels, true); |
---|
| 301 | |
---|
| 302 | ++projQueryIt; |
---|
| 303 | int id = (*patchIt)->getId(); |
---|
| 304 | |
---|
| 305 | if ((id > 0) && (id < (int)visiblePatches->size())) |
---|
| 306 | { |
---|
| 307 | (*visiblePatches)[id].AddVisibility(0, projectedPixels); |
---|
| 308 | } |
---|
| 309 | }
|
---|
| 310 | }
|
---|
| 311 | //----------------------------------------------------------------------- |
---|
| 312 | void OcclusionQueriesQueryManager::CollectGeometryVisibility( |
---|
| 313 | GtpVisibility::QueryList::iterator &visQueryIt, |
---|
| 314 | GtpVisibility::QueryList::iterator &projQueryIt, |
---|
[370] | 315 | GtpVisibility::GeometryVector *geometryList, |
---|
[316] | 316 | GtpVisibility::MeshInfoContainer *visibleGeometry, |
---|
[171] | 317 | bool relativeVisibility) |
---|
| 318 | {
|
---|
[370] | 319 | GtpVisibility::GeometryVector::iterator geometryIt;
|
---|
[171] | 320 |
|
---|
| 321 | //-- queries for geometry |
---|
| 322 | for (geometryIt = geometryList->begin(); geometryIt != geometryList->end(); ++ geometryIt) |
---|
| 323 | { |
---|
[154] | 324 | unsigned int visiblePixels = 0; |
---|
| 325 | (*visQueryIt)->GetQueryResult(visiblePixels, true); |
---|
| 326 | |
---|
| 327 | unsigned int projectedPixels = 0; |
---|
| 328 | |
---|
| 329 | if (relativeVisibility) |
---|
| 330 | { |
---|
| 331 | (*projQueryIt)->GetQueryResult(projectedPixels, true); |
---|
[171] | 332 | ++ projQueryIt; |
---|
[154] | 333 | } |
---|
| 334 | |
---|
[171] | 335 | ++ visQueryIt; |
---|
[154] | 336 | |
---|
[155] | 337 | // WARNING: approximate depth ordering during rendering => |
---|
[154] | 338 | // geometry maybe occluded |
---|
| 339 | if (visiblePixels > 0) |
---|
| 340 | {
|
---|
| 341 | visibleGeometry->push_back(GtpVisibility::MeshInfo(*geometryIt, visiblePixels, |
---|
| 342 | projectedPixels)); |
---|
| 343 | } |
---|
| 344 | }
|
---|
| 345 | } |
---|
| 346 | //----------------------------------------------------------------------- |
---|
[171] | 347 | void OcclusionQueriesQueryManager::CollectPatchVisibility( |
---|
| 348 | GtpVisibility::QueryList::iterator &visQueryIt, |
---|
| 349 | GtpVisibility::QueryList::iterator &projQueryIt, |
---|
[370] | 350 | GtpVisibility::PatchVector *patchList, |
---|
[316] | 351 | GtpVisibility::PatchInfoContainer *visiblePatches, |
---|
[171] | 352 | bool relativeVisibility) |
---|
| 353 | {
|
---|
[370] | 354 | GtpVisibility::PatchVector::iterator patchIt;
|
---|
[171] | 355 |
|
---|
| 356 | //-- queries for patch |
---|
| 357 | for (patchIt = patchList->begin(); patchIt != patchList->end(); ++ patchIt) |
---|
| 358 | { |
---|
| 359 | unsigned int visiblePixels = 0; |
---|
| 360 | (*visQueryIt)->GetQueryResult(visiblePixels, true); |
---|
| 361 | |
---|
| 362 | unsigned int projectedPixels = 0; |
---|
| 363 | |
---|
| 364 | if (relativeVisibility) |
---|
| 365 | { |
---|
| 366 | (*projQueryIt)->GetQueryResult(projectedPixels, true); |
---|
| 367 | ++ projQueryIt; |
---|
| 368 | } |
---|
| 369 | |
---|
| 370 | ++ visQueryIt; |
---|
| 371 | |
---|
| 372 | // WARNING: approximate depth ordering during rendering => |
---|
| 373 | // patch maybe occluded |
---|
| 374 | if (visiblePixels > 0) |
---|
| 375 | {
|
---|
| 376 | visiblePatches->push_back(GtpVisibility::PatchInfo(*patchIt, visiblePixels, |
---|
| 377 | projectedPixels)); |
---|
| 378 | } |
---|
| 379 | }
|
---|
[154] | 380 | } |
---|
| 381 | //----------------------------------------------------------------------- |
---|
[171] | 382 | void OcclusionQueriesQueryManager::RemoveDuplicateNodes( |
---|
[316] | 383 | GtpVisibility::NodeInfoContainer *visibleNodes) |
---|
[154] | 384 | { |
---|
[318] | 385 | stable_sort(visibleNodes->begin(), visibleNodes->end()/*, nodeinfo_lt*/); |
---|
[316] | 386 | |
---|
| 387 | GtpVisibility::NodeInfoContainer::iterator visibleNodesIt, |
---|
[154] | 388 | visibleNodesIt_end = visibleNodes->end(); |
---|
| 389 | |
---|
| 390 | GtpVisibility::NodeInfo *nodeInfo = NULL; |
---|
| 391 | |
---|
| 392 | for (visibleNodesIt = visibleNodes->begin(); visibleNodesIt != visibleNodesIt_end; |
---|
| 393 | ++visibleNodesIt) |
---|
| 394 | { |
---|
[316] | 395 | if (!nodeInfo || (nodeInfo->GetSource() != (*visibleNodesIt).GetSource())) |
---|
[154] | 396 | { |
---|
| 397 | nodeInfo = &(*visibleNodesIt); |
---|
| 398 | } |
---|
| 399 | else // add visibility |
---|
| 400 | { |
---|
| 401 | nodeInfo->AddVisibility(*visibleNodesIt); |
---|
| 402 | } |
---|
| 403 | } |
---|
| 404 | |
---|
| 405 | // physically delete duplicates |
---|
[318] | 406 | visibleNodes->erase(std::unique(visibleNodes->begin(), visibleNodes->end()), |
---|
[316] | 407 | visibleNodes->end()); |
---|
[171] | 408 | } |
---|
| 409 | //----------------------------------------------------------------------- |
---|
| 410 | void OcclusionQueriesQueryManager::RemoveDuplicateGeometry( |
---|
[316] | 411 | GtpVisibility::MeshInfoContainer *visibleGeometry) |
---|
[171] | 412 | { |
---|
[318] | 413 | stable_sort(visibleGeometry->begin(), visibleGeometry->end()); |
---|
[171] | 414 | |
---|
[316] | 415 | GtpVisibility::MeshInfoContainer::iterator visibleGeomIt, |
---|
[171] | 416 | visibleGeomIt_end = visibleGeometry->end(); |
---|
[154] | 417 | |
---|
| 418 | GtpVisibility::MeshInfo *geomInfo = NULL; |
---|
| 419 | |
---|
| 420 | for (visibleGeomIt = visibleGeometry->begin(); visibleGeomIt != visibleGeomIt_end; |
---|
| 421 | ++visibleGeomIt) |
---|
| 422 | { |
---|
[316] | 423 | if (!geomInfo || (geomInfo->GetSource() != (*visibleGeomIt).GetSource())) |
---|
[154] | 424 | { |
---|
| 425 | geomInfo = &(*visibleGeomIt); |
---|
| 426 | } |
---|
| 427 | else // info points to same mesh, just add visibility |
---|
| 428 | { |
---|
| 429 | geomInfo->AddVisibility(*visibleGeomIt); |
---|
| 430 | } |
---|
| 431 | } |
---|
| 432 | |
---|
| 433 | // physically delete duplicates |
---|
[318] | 434 | visibleGeometry->erase(std::unique(visibleGeometry->begin(), visibleGeometry->end()), |
---|
[316] | 435 | visibleGeometry->end()); |
---|
[154] | 436 | } |
---|
[173] | 437 | //----------------------------------------------------------------------- |
---|
| 438 | void OcclusionQueriesQueryManager::RemoveDuplicatePatches( |
---|
[316] | 439 | GtpVisibility::PatchInfoContainer *visiblePatches) |
---|
[173] | 440 | { |
---|
[318] | 441 | stable_sort(visiblePatches->begin(), visiblePatches->end()); |
---|
[173] | 442 | |
---|
[316] | 443 | GtpVisibility::PatchInfoContainer::iterator visiblePatchIt, |
---|
[173] | 444 | visiblePatchIt_end = visiblePatches->end(); |
---|
[154] | 445 | |
---|
[173] | 446 | GtpVisibility::PatchInfo *patchInfo = NULL; |
---|
| 447 | |
---|
| 448 | for (visiblePatchIt = visiblePatches->begin(); visiblePatchIt != visiblePatchIt_end; |
---|
| 449 | ++visiblePatchIt) |
---|
| 450 | { |
---|
[316] | 451 | if (!patchInfo || (patchInfo->GetSource() != (*visiblePatchIt).GetSource())) |
---|
[173] | 452 | { |
---|
| 453 | patchInfo = &(*visiblePatchIt); |
---|
| 454 | } |
---|
| 455 | else // info points to same mesh, just add visibility |
---|
| 456 | { |
---|
| 457 | patchInfo->AddVisibility(*visiblePatchIt); |
---|
| 458 | } |
---|
| 459 | } |
---|
| 460 | |
---|
| 461 | // physically delete duplicates |
---|
[318] | 462 | visiblePatches->erase(std::unique(visiblePatches->begin(), visiblePatches->end()), |
---|
[316] | 463 | visiblePatches->end()); |
---|
[174] | 464 | }
|
---|
| 465 | //----------------------------------------------------------------------- |
---|
| 466 | void OcclusionQueriesQueryManager::GetNodePatchList(GtpVisibility::HierarchyNode *node,
|
---|
[370] | 467 | GtpVisibility::PatchVector *patchList) |
---|
[174] | 468 | { |
---|
[370] | 469 | GtpVisibility::GeometryVector geomList; |
---|
[174] | 470 | mHierarchyInterface->GetNodeGeometryList(node, &geomList, false); |
---|
| 471 | |
---|
| 472 | // geometry list iterator |
---|
[370] | 473 | GtpVisibility::GeometryVector::iterator geomIt, geomIt_end = geomList.end(); |
---|
[174] | 474 | |
---|
| 475 | for (geomIt = geomList.begin(); geomIt != geomIt_end; ++geomIt) |
---|
| 476 | { |
---|
| 477 | for (int i = 0; i < (int)(*geomIt)->getNumSubEntities(); ++i)
|
---|
| 478 | {
|
---|
| 479 | patchList->push_back((*geomIt)->getSubEntity(i));
|
---|
| 480 | } |
---|
| 481 | } |
---|
[173] | 482 | } |
---|
[174] | 483 | |
---|
[154] | 484 | } // namespace Ogre |
---|