[154] | 1 | #include "OgreOcclusionQueriesQueryManager.h" |
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| 2 | #include <OgreLogManager.h> |
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| 3 | #include <OgreStringConverter.h> |
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| 4 | #include <vector> |
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[171] | 5 | #include <OgreSubEntity.h> |
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[925] | 6 | #include "OgrePlatformHierarchyInterface.h" |
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[2171] | 7 | #include "OgreOcclusionCullingSceneManager.h" |
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| 8 | #include "VisibilityEnvironment.h" |
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[154] | 9 | |
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[2171] | 10 | |
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| 11 | |
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[154] | 12 | namespace Ogre { |
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[171] | 13 | |
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| 14 | //----------------------------------------------------------------------- |
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| 15 | OcclusionQueriesQueryManager::OcclusionQueriesQueryManager( |
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[925] | 16 | GtpVisibility::HierarchyInterface *hierarchyInterface, |
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[171] | 17 | Viewport *vp, |
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[174] | 18 | int queryModes, |
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| 19 | int itemBufferMode): |
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| 20 | PlatformQueryManager(hierarchyInterface, vp, queryModes), |
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| 21 | mItemBufferMode(itemBufferMode) |
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[154] | 22 | { |
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| 23 | } |
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| 24 | //----------------------------------------------------------------------- |
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[2171] | 25 | void OcclusionQueriesQueryManager::ComputeCameraVisibility( |
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| 26 | const Camera &camera, |
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| 27 | GtpVisibility::NodeInfoContainer *visibleNodes, |
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| 28 | GtpVisibility::MeshInfoContainer *visibleGeometry, |
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| 29 | GtpVisibility::PatchInfoContainer *visiblePatches, |
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| 30 | bool relativeVisibility) |
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[154] | 31 | { |
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[174] | 32 | // we need access to the scene manager and the rendersystem |
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[154] | 33 | PlatformHierarchyInterface *pfHierarchyInterface = |
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[726] | 34 | static_cast<PlatformHierarchyInterface *>(mHierarchyInterface); |
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[154] | 35 | |
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| 36 | // disable overlays, reset them later |
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| 37 | bool overlayEnabled = mViewport->getOverlaysEnabled(); |
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[2171] | 38 | |
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[1602] | 39 | /////////// |
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[171] | 40 | //-- render scene with item buffer (i.e., objects with their id as color codes) |
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[2171] | 41 | |
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| 42 | //mItemBufferMode = 0; |
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| 43 | if (0 && |
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| 44 | (mItemBufferMode && mQueryModes) != 0) |
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[171] | 45 | { |
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[174] | 46 | int savedQueryModes = mQueryModes; |
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| 47 | mQueryModes = mItemBufferMode; |
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| 48 | |
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[2171] | 49 | PlatformQueryManager::ComputeCameraVisibility(camera, |
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| 50 | visibleNodes, |
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| 51 | visibleGeometry, |
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| 52 | visiblePatches, |
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| 53 | relativeVisibility); |
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[174] | 54 | |
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| 55 | // overlays cause false visibility |
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[171] | 56 | mViewport->setOverlaysEnabled(false); |
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[174] | 57 | mQueryModes = savedQueryModes; |
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[171] | 58 | } |
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| 59 | else |
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| 60 | { |
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| 61 | // const_cast allowed because camera is not changed in renderScene |
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| 62 | Camera *pCam = const_cast<Camera *>(&camera); |
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| 63 | mViewport->setOverlaysEnabled(false); |
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| 64 | |
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[2171] | 65 | //////////////////////// |
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[171] | 66 | //-- Render scene to get conservative visibility and fill depth buffer |
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[2171] | 67 | |
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| 68 | OcclusionCullingSceneManager *occlusionSceneMgr = |
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| 69 | static_cast<OcclusionCullingSceneManager *>(pfHierarchyInterface->GetSceneManager()); |
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| 70 | |
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| 71 | // no visibility manager available => no visibility scene manager, return
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| 72 | GtpVisibility::VisibilityManager *visManager = NULL;
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| 73 |
|
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| 74 | if (!occlusionSceneMgr->getOption("VisibilityManager", &visManager))
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| 75 | {
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| 76 | Ogre::LogManager::getSingleton().logMessage("no vismanager found");
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| 77 | return; |
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| 78 | } |
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| 79 | |
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| 80 | // use stop and wait culling for from view point queries because probably |
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| 81 | // no temporal coherence |
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| 82 | GtpVisibility::VisibilityEnvironment::CullingManagerType occlusionType = |
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| 83 | visManager->GetCullingManagerType(); |
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| 84 | |
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| 85 | visManager->SetCullingManager(GtpVisibility::VisibilityEnvironment::STOP_AND_WAIT_CULLING); |
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| 86 | |
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| 87 | if (1) |
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| 88 | occlusionSceneMgr->RenderDepthForQuery(pCam, mViewport); |
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| 89 | else |
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| 90 | pfHierarchyInterface->GetSceneManager()->_renderScene(pCam, mViewport, false); |
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| 91 | |
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| 92 | visManager->SetCullingManager(occlusionType); |
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[171] | 93 | } |
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| 94 | |
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| 95 | |
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[2171] | 96 | /* Two query lists for projected pixels and for visibile pixels: |
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[154] | 97 | We test queries after a rendering pass |
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| 98 | to get exact visibility with regard to the current camera. |
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| 99 | We issue all queries at once to avoid starvation & stalls. |
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| 100 | */ |
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| 101 | GtpVisibility::QueryList queryList[2]; |
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| 102 | |
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[174] | 103 | // rendered visibile hierarchy nodes from previous rendering |
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[370] | 104 | GtpVisibility::NodeVector *visNodes = mHierarchyInterface->GetVisibleNodes(); |
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| 105 | GtpVisibility::NodeVector::iterator visNodesIt, visNodesIt_end = visNodes->end(); |
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[171] | 106 | |
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[370] | 107 | GtpVisibility::NodeVector nodeList; |
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[174] | 108 | |
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[175] | 109 | if (mQueryModes & NODE_VISIBILITY) |
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[174] | 110 | { |
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| 111 | for (visNodesIt = visNodes->begin(); visNodesIt != visNodesIt_end; ++visNodesIt) |
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| 112 | { |
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| 113 | nodeList.push_back((*visNodesIt)); |
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| 114 | } |
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| 115 | } |
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| 116 | |
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[370] | 117 | GtpVisibility::NodeVector::iterator nodeIt, nodeIt_end = nodeList.end(); |
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[174] | 118 | |
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[154] | 119 | // vector for storing entities of meshes |
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[370] | 120 | GtpVisibility::GeometryVector geometryList; |
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[154] | 121 | |
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[174] | 122 | // store geometry of the hierarchy nodes in a geometry list |
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[175] | 123 | if (mQueryModes & GEOMETRY_VISIBILITY) |
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[174] | 124 | { |
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[2171] | 125 | for (visNodesIt = visNodes->begin(); visNodesIt != visNodesIt_end; ++ visNodesIt) |
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[174] | 126 | { |
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| 127 | mHierarchyInterface->GetNodeGeometryList(*visNodesIt, &geometryList, false); |
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| 128 | } |
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[171] | 129 | } |
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[174] | 130 | |
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[171] | 131 | // geometry list iterator |
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[370] | 132 | GtpVisibility::GeometryVector::iterator geometryIt, geometryIt_end = geometryList.end(); |
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[171] | 133 | |
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[173] | 134 | // vector for storing subentities of meshes |
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[370] | 135 | GtpVisibility::PatchVector patchList; |
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[174] | 136 | |
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| 137 | // store patchges of the geometries in a patch list |
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[175] | 138 | if (mQueryModes & PATCH_VISIBILITY) |
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[174] | 139 | { |
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| 140 | for (visNodesIt = visNodes->begin(); visNodesIt != visNodesIt_end; ++visNodesIt) |
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| 141 | { |
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| 142 | GetNodePatchList(*visNodesIt, &patchList); |
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| 143 | } |
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| 144 | } |
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| 145 | |
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[370] | 146 | GtpVisibility::PatchVector::iterator patchIt, patchIt_end = patchList.end(); |
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[171] | 147 | |
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[154] | 148 | // to obtain the correct number of projected pixels, depth write must be disabled |
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| 149 | bool enableDepthWrite = false; |
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| 150 | // this option must be provided by the scene manager |
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| 151 | pfHierarchyInterface->GetSceneManager()->setOption("DepthWrite", &enableDepthWrite); |
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| 152 | |
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[171] | 153 | |
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[154] | 154 | /* relative visiblity: |
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[171] | 155 | 1) get visible pixels count of objects |
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| 156 | 2) clear frame buffer |
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| 157 | 3) get projected visible pixels count: |
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| 158 | test all objects again without depth write (set as option in scene manager) |
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| 159 | 4) calculate ratio between visible vs. projected pixels |
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[154] | 160 | */ |
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[171] | 161 | |
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[154] | 162 | // for relative visibility we need 2 rendering passes |
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| 163 | int n = relativeVisibility ? 2 : 1; |
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[175] | 164 | if (mItemBufferMode > 0) |
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[2171] | 165 | LogManager::getSingleton().logMessage("using item buffer"); |
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[175] | 166 | |
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[2171] | 167 | for (int i = 0; i < n; ++ i) |
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[154] | 168 | { |
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| 169 | //-- queries for hierarchy nodes |
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[174] | 170 | for (nodeIt = nodeList.begin(); nodeIt != nodeIt_end; ++nodeIt) |
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[154] | 171 | { |
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| 172 | // TODO: DELETE QUERIES FROM PREVIOUS RENDER |
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[175] | 173 | queryList[i].push_back(mHierarchyInterface->IssueNodeOcclusionQuery(*nodeIt, false)); |
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[154] | 174 | } |
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| 175 | |
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[2171] | 176 | //////////////////////////// |
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[171] | 177 | //-- queries for geometry: if item buffer, capture only projected visibility |
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[2171] | 178 | |
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[174] | 179 | if ((mItemBufferMode != GEOMETRY_VISIBILITY) || (i == 1)) |
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[175] | 180 | { |
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[2171] | 181 | for (geometryIt = geometryList.begin(); geometryIt != geometryIt_end; ++ geometryIt) |
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[174] | 182 | { |
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[175] | 183 | queryList[i].push_back(pfHierarchyInterface->IssueMeshOcclusionQuery(*geometryIt)); |
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[174] | 184 | } |
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[173] | 185 | } |
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| 186 | |
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[2171] | 187 | //////////////////////// |
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[173] | 188 | //-- queries for patches: if item buffer, capture only projected visibility |
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[2171] | 189 | |
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[174] | 190 | if ((mItemBufferMode != PATCH_VISIBILITY) || (i == 1)) |
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[154] | 191 | { |
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[173] | 192 | for (patchIt = patchList.begin(); patchIt != patchIt_end; ++patchIt) |
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[171] | 193 | { |
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[175] | 194 | queryList[i].push_back(pfHierarchyInterface->IssuePatchOcclusionQuery(*patchIt)); |
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[171] | 195 | } |
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[154] | 196 | } |
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| 197 | |
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| 198 | pfHierarchyInterface->GetRenderSystem()->clearFrameBuffer(FBT_DEPTH); |
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| 199 | } |
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| 200 | |
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[2171] | 201 | /////////////// |
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[171] | 202 | //-- collect results |
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[2171] | 203 | |
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[171] | 204 | GtpVisibility::QueryList::iterator visQueryIt = queryList[0].begin(); |
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| 205 | GtpVisibility::QueryList::iterator projQueryIt = queryList[1].begin(); |
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| 206 | |
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[174] | 207 | // collect occlusion queries for hierarchy nodes |
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[2171] | 208 | CollectNodeVisibility(visQueryIt, |
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| 209 | projQueryIt, |
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| 210 | &nodeList, |
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| 211 | visibleNodes, |
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| 212 | relativeVisibility); |
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[171] | 213 | |
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[174] | 214 | |
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| 215 | // collect occlusion queries for geometry |
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| 216 | if ((mItemBufferMode == GEOMETRY_VISIBILITY) && relativeVisibility) |
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[171] | 217 | { |
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[174] | 218 | // if visibility was established using the item buffer, |
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| 219 | // the array is organized different (e.g., ordered by id, all possible objects) |
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[2171] | 220 | CollectRelativeGeometryVisibilityForItemBuffer(projQueryIt, |
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| 221 | &geometryList, |
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| 222 | visibleGeometry); |
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[174] | 223 | } |
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[175] | 224 | else if (mItemBufferMode != GEOMETRY_VISIBILITY) |
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[171] | 225 | { |
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[2171] | 226 | CollectGeometryVisibility(visQueryIt, |
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| 227 | projQueryIt, |
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| 228 | &geometryList, |
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| 229 | visibleGeometry, |
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[174] | 230 | relativeVisibility); |
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| 231 | } |
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| 232 | |
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| 233 | |
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| 234 | // collect occlusion queries for patches |
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| 235 | if ((mItemBufferMode == PATCH_VISIBILITY) && relativeVisibility) |
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| 236 | { |
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[2171] | 237 | CollectRelativePatchVisibilityForItemBuffer(projQueryIt, |
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| 238 | &patchList, |
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| 239 | visiblePatches); |
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[174] | 240 | } |
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[175] | 241 | else if (mItemBufferMode != PATCH_VISIBILITY) |
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[174] | 242 | { |
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[2171] | 243 | CollectPatchVisibility(visQueryIt, |
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| 244 | projQueryIt, |
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| 245 | &patchList, |
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| 246 | visiblePatches, |
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| 247 | relativeVisibility); |
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[173] | 248 | } |
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[174] | 249 | |
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[2171] | 250 | //////////// |
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| 251 | //-- reset state |
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| 252 | |
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[154] | 253 | enableDepthWrite = true; |
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| 254 | // this option must be provided by the scene manager |
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| 255 | pfHierarchyInterface->GetSceneManager()->setOption("DepthWrite", &enableDepthWrite); |
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| 256 | // reset old overlay status |
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[2066] | 257 | mViewport->setOverlaysEnabled(overlayEnabled); |
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| 258 | |
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| 259 | mWasInitialised = false; |
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[171] | 260 | } |
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| 261 | //----------------------------------------------------------------------- |
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[2171] | 262 | void OcclusionQueriesQueryManager::ComputeFromPointVisibility( |
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| 263 | const Vector3 &point, |
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| 264 | GtpVisibility::NodeInfoContainer *visibleNodes, |
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| 265 | GtpVisibility::MeshInfoContainer *visibleGeometry, |
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| 266 | GtpVisibility::PatchInfoContainer *visiblePatches, |
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| 267 | bool relativeVisibility) |
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| 268 | { |
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| 269 | PlatformQueryManager::ComputeFromPointVisibility(point, |
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| 270 | visibleNodes, |
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| 271 | visibleGeometry, |
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| 272 | visiblePatches, |
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| 273 | relativeVisibility); |
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[154] | 274 | |
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[175] | 275 | // adds up their visibility and removes duplicates |
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| 276 | // (duplicates occur if an object is on the edge of the viewport) |
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[171] | 277 | RemoveDuplicateNodes(visibleNodes); |
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[2171] | 278 | |
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[174] | 279 | if (mItemBufferMode != GEOMETRY_VISIBILITY) |
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[154] | 280 | { |
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[171] | 281 | RemoveDuplicateGeometry(visibleGeometry); |
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| 282 | } |
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[2171] | 283 | |
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[174] | 284 | if (mItemBufferMode != PATCH_VISIBILITY) |
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| 285 | { |
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| 286 | RemoveDuplicatePatches(visiblePatches); |
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| 287 | } |
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[171] | 288 | } |
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[645] | 289 | //------------------------------------------------------------------------ |
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[2171] | 290 | void OcclusionQueriesQueryManager::CollectNodeVisibility( |
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[171] | 291 | GtpVisibility::QueryList::iterator &visQueryIt, |
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| 292 | GtpVisibility::QueryList::iterator &projQueryIt, |
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[370] | 293 | GtpVisibility::NodeVector *nodeList, |
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[316] | 294 | GtpVisibility::NodeInfoContainer *visibleNodes, |
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[171] | 295 | bool relativeVisibility) |
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| 296 | { |
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[370] | 297 | GtpVisibility::NodeVector::iterator nodeIt; |
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[171] | 298 | |
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| 299 | //-- queries for nodes |
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[2171] | 300 | for (nodeIt = nodeList->begin(); nodeIt != nodeList->end(); ++ nodeIt) |
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[171] | 301 | { |
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[154] | 302 | unsigned int visiblePixels = 0; |
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| 303 | (*visQueryIt)->GetQueryResult(visiblePixels, true); |
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| 304 | |
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| 305 | unsigned int projectedPixels = 0; |
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| 306 | |
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| 307 | if (relativeVisibility) |
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| 308 | { |
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| 309 | (*projQueryIt)->GetQueryResult(projectedPixels, true); |
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[2171] | 310 | ++ projQueryIt; |
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[154] | 311 | } |
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| 312 | |
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[2171] | 313 | ++ visQueryIt; |
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[154] | 314 | |
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| 315 | // node with visibilty 0 in queue (e.g., if node is intersected by near plane) |
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| 316 | if (visiblePixels > 0) |
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| 317 | { |
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[2171] | 318 | visibleNodes->push_back( |
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| 319 | GtpVisibility::NodeInfo(*nodeIt, visiblePixels, projectedPixels)); |
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[154] | 320 | } |
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[2066] | 321 | } |
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| 322 | } |
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[171] | 323 | //----------------------------------------------------------------------- |
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| 324 | void OcclusionQueriesQueryManager::CollectRelativeGeometryVisibilityForItemBuffer( |
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[2066] | 325 | GtpVisibility::QueryList::iterator &projQueryIt, |
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| 326 | GtpVisibility::GeometryVector *geometryList, |
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| 327 | GtpVisibility::MeshInfoContainer *visibleGeometry) |
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| 328 | { |
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| 329 | GtpVisibility::GeometryVector::iterator geometryIt; |
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| 330 | |
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[171] | 331 | //-- queries for geometry |
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| 332 | for (geometryIt = geometryList->begin(); geometryIt != geometryList->end(); ++ geometryIt) |
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[154] | 333 | { |
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[171] | 334 | unsigned int projectedPixels = 0; |
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| 335 | |
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| 336 | (*projQueryIt)->GetQueryResult(projectedPixels, true); |
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| 337 | |
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| 338 | ++projQueryIt; |
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| 339 | int id = (*geometryIt)->getSubEntity(0)->getId(); |
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| 340 | |
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| 341 | if ((id > 0) && (id < (int)visibleGeometry->size())) |
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| 342 | { |
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| 343 | (*visibleGeometry)[id].AddVisibility(0, projectedPixels); |
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| 344 | } |
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[2066] | 345 | } |
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| 346 | } |
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[171] | 347 | //----------------------------------------------------------------------- |
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| 348 | void OcclusionQueriesQueryManager::CollectRelativePatchVisibilityForItemBuffer( |
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[2066] | 349 | GtpVisibility::QueryList::iterator &projQueryIt, |
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| 350 | GtpVisibility::PatchVector *patchList, |
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| 351 | GtpVisibility::PatchInfoContainer *visiblePatches) |
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| 352 | { |
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| 353 | GtpVisibility::PatchVector::iterator patchIt; |
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| 354 | |
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[171] | 355 | //-- queries for geometry |
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| 356 | for (patchIt = patchList->begin(); patchIt != patchList->end(); ++ patchIt) |
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| 357 | { |
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| 358 | unsigned int projectedPixels = 0; |
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| 359 | |
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| 360 | (*projQueryIt)->GetQueryResult(projectedPixels, true); |
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| 361 | |
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| 362 | ++projQueryIt; |
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| 363 | int id = (*patchIt)->getId(); |
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| 364 | |
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| 365 | if ((id > 0) && (id < (int)visiblePatches->size())) |
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| 366 | { |
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| 367 | (*visiblePatches)[id].AddVisibility(0, projectedPixels); |
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| 368 | } |
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[2066] | 369 | } |
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| 370 | } |
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[171] | 371 | //----------------------------------------------------------------------- |
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| 372 | void OcclusionQueriesQueryManager::CollectGeometryVisibility( |
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| 373 | GtpVisibility::QueryList::iterator &visQueryIt, |
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| 374 | GtpVisibility::QueryList::iterator &projQueryIt, |
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[370] | 375 | GtpVisibility::GeometryVector *geometryList, |
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[316] | 376 | GtpVisibility::MeshInfoContainer *visibleGeometry, |
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[171] | 377 | bool relativeVisibility) |
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[2066] | 378 | { |
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| 379 | GtpVisibility::GeometryVector::iterator geometryIt; |
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| 380 | |
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[171] | 381 | //-- queries for geometry |
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| 382 | for (geometryIt = geometryList->begin(); geometryIt != geometryList->end(); ++ geometryIt) |
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| 383 | { |
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[154] | 384 | unsigned int visiblePixels = 0; |
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| 385 | (*visQueryIt)->GetQueryResult(visiblePixels, true); |
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| 386 | |
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| 387 | unsigned int projectedPixels = 0; |
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| 388 | |
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| 389 | if (relativeVisibility) |
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| 390 | { |
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| 391 | (*projQueryIt)->GetQueryResult(projectedPixels, true); |
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[171] | 392 | ++ projQueryIt; |
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[154] | 393 | } |
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| 394 | |
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[171] | 395 | ++ visQueryIt; |
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[154] | 396 | |
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[155] | 397 | // WARNING: approximate depth ordering during rendering => |
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[154] | 398 | // geometry maybe occluded |
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| 399 | if (visiblePixels > 0) |
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[2066] | 400 | { |
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[154] | 401 | visibleGeometry->push_back(GtpVisibility::MeshInfo(*geometryIt, visiblePixels, |
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| 402 | projectedPixels)); |
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| 403 | } |
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[2066] | 404 | } |
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[154] | 405 | } |
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| 406 | //----------------------------------------------------------------------- |
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[171] | 407 | void OcclusionQueriesQueryManager::CollectPatchVisibility( |
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| 408 | GtpVisibility::QueryList::iterator &visQueryIt, |
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| 409 | GtpVisibility::QueryList::iterator &projQueryIt, |
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[370] | 410 | GtpVisibility::PatchVector *patchList, |
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[316] | 411 | GtpVisibility::PatchInfoContainer *visiblePatches, |
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[171] | 412 | bool relativeVisibility) |
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[2066] | 413 | { |
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| 414 | GtpVisibility::PatchVector::iterator patchIt; |
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| 415 | |
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[171] | 416 | //-- queries for patch |
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| 417 | for (patchIt = patchList->begin(); patchIt != patchList->end(); ++ patchIt) |
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| 418 | { |
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| 419 | unsigned int visiblePixels = 0; |
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| 420 | (*visQueryIt)->GetQueryResult(visiblePixels, true); |
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| 421 | |
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| 422 | unsigned int projectedPixels = 0; |
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| 423 | |
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| 424 | if (relativeVisibility) |
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| 425 | { |
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| 426 | (*projQueryIt)->GetQueryResult(projectedPixels, true); |
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| 427 | ++ projQueryIt; |
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| 428 | } |
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| 429 | |
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| 430 | ++ visQueryIt; |
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| 431 | |
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| 432 | // WARNING: approximate depth ordering during rendering => |
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| 433 | // patch maybe occluded |
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| 434 | if (visiblePixels > 0) |
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[2066] | 435 | { |
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[171] | 436 | visiblePatches->push_back(GtpVisibility::PatchInfo(*patchIt, visiblePixels, |
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| 437 | projectedPixels)); |
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| 438 | } |
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[2066] | 439 | } |
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[154] | 440 | } |
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| 441 | //----------------------------------------------------------------------- |
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[171] | 442 | void OcclusionQueriesQueryManager::RemoveDuplicateNodes( |
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[316] | 443 | GtpVisibility::NodeInfoContainer *visibleNodes) |
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[154] | 444 | { |
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[2171] | 445 | sort(visibleNodes->begin(), visibleNodes->end()); |
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[316] | 446 | |
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| 447 | GtpVisibility::NodeInfoContainer::iterator visibleNodesIt, |
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[154] | 448 | visibleNodesIt_end = visibleNodes->end(); |
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| 449 | |
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| 450 | GtpVisibility::NodeInfo *nodeInfo = NULL; |
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| 451 | |
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| 452 | for (visibleNodesIt = visibleNodes->begin(); visibleNodesIt != visibleNodesIt_end; |
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| 453 | ++visibleNodesIt) |
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| 454 | { |
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[316] | 455 | if (!nodeInfo || (nodeInfo->GetSource() != (*visibleNodesIt).GetSource())) |
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[154] | 456 | { |
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| 457 | nodeInfo = &(*visibleNodesIt); |
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| 458 | } |
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| 459 | else // add visibility |
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| 460 | { |
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| 461 | nodeInfo->AddVisibility(*visibleNodesIt); |
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| 462 | } |
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| 463 | } |
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| 464 | |
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| 465 | // physically delete duplicates |
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[318] | 466 | visibleNodes->erase(std::unique(visibleNodes->begin(), visibleNodes->end()), |
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[316] | 467 | visibleNodes->end()); |
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[171] | 468 | } |
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| 469 | //----------------------------------------------------------------------- |
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| 470 | void OcclusionQueriesQueryManager::RemoveDuplicateGeometry( |
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[316] | 471 | GtpVisibility::MeshInfoContainer *visibleGeometry) |
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[171] | 472 | { |
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[2171] | 473 | sort(visibleGeometry->begin(), visibleGeometry->end()); |
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[171] | 474 | |
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[316] | 475 | GtpVisibility::MeshInfoContainer::iterator visibleGeomIt, |
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[171] | 476 | visibleGeomIt_end = visibleGeometry->end(); |
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[154] | 477 | |
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| 478 | GtpVisibility::MeshInfo *geomInfo = NULL; |
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| 479 | |
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| 480 | for (visibleGeomIt = visibleGeometry->begin(); visibleGeomIt != visibleGeomIt_end; |
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| 481 | ++visibleGeomIt) |
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| 482 | { |
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[316] | 483 | if (!geomInfo || (geomInfo->GetSource() != (*visibleGeomIt).GetSource())) |
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[154] | 484 | { |
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| 485 | geomInfo = &(*visibleGeomIt); |
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| 486 | } |
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| 487 | else // info points to same mesh, just add visibility |
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| 488 | { |
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| 489 | geomInfo->AddVisibility(*visibleGeomIt); |
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| 490 | } |
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| 491 | } |
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| 492 | |
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| 493 | // physically delete duplicates |
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[318] | 494 | visibleGeometry->erase(std::unique(visibleGeometry->begin(), visibleGeometry->end()), |
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[316] | 495 | visibleGeometry->end()); |
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[154] | 496 | } |
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[173] | 497 | //----------------------------------------------------------------------- |
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| 498 | void OcclusionQueriesQueryManager::RemoveDuplicatePatches( |
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[316] | 499 | GtpVisibility::PatchInfoContainer *visiblePatches) |
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[173] | 500 | { |
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[2171] | 501 | sort(visiblePatches->begin(), visiblePatches->end()); |
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[173] | 502 | |
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[316] | 503 | GtpVisibility::PatchInfoContainer::iterator visiblePatchIt, |
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[173] | 504 | visiblePatchIt_end = visiblePatches->end(); |
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[154] | 505 | |
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[173] | 506 | GtpVisibility::PatchInfo *patchInfo = NULL; |
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| 507 | |
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| 508 | for (visiblePatchIt = visiblePatches->begin(); visiblePatchIt != visiblePatchIt_end; |
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| 509 | ++visiblePatchIt) |
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| 510 | { |
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[316] | 511 | if (!patchInfo || (patchInfo->GetSource() != (*visiblePatchIt).GetSource())) |
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[173] | 512 | { |
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| 513 | patchInfo = &(*visiblePatchIt); |
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| 514 | } |
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| 515 | else // info points to same mesh, just add visibility |
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| 516 | { |
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| 517 | patchInfo->AddVisibility(*visiblePatchIt); |
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| 518 | } |
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| 519 | } |
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| 520 | |
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| 521 | // physically delete duplicates |
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[318] | 522 | visiblePatches->erase(std::unique(visiblePatches->begin(), visiblePatches->end()), |
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[316] | 523 | visiblePatches->end()); |
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[2066] | 524 | } |
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[174] | 525 | //----------------------------------------------------------------------- |
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[2066] | 526 | void OcclusionQueriesQueryManager::GetNodePatchList(GtpVisibility::HierarchyNode *node, |
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[370] | 527 | GtpVisibility::PatchVector *patchList) |
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[174] | 528 | { |
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[370] | 529 | GtpVisibility::GeometryVector geomList; |
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[174] | 530 | mHierarchyInterface->GetNodeGeometryList(node, &geomList, false); |
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| 531 | |
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| 532 | // geometry list iterator |
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[370] | 533 | GtpVisibility::GeometryVector::iterator geomIt, geomIt_end = geomList.end(); |
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[174] | 534 | |
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| 535 | for (geomIt = geomList.begin(); geomIt != geomIt_end; ++geomIt) |
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| 536 | { |
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[2066] | 537 | for (int i = 0; i < (int)(*geomIt)->getNumSubEntities(); ++i) |
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| 538 | { |
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| 539 | patchList->push_back((*geomIt)->getSubEntity(i)); |
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[174] | 540 | } |
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| 541 | } |
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[173] | 542 | } |
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[174] | 543 | |
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[154] | 544 | } // namespace Ogre |
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