diff options
| author | Xiaohong Bao <bao@lindenlab.com> | 2013-05-23 18:25:21 -0600 |
|---|---|---|
| committer | Xiaohong Bao <bao@lindenlab.com> | 2013-05-23 18:25:21 -0600 |
| commit | 16616ae48d86da75b3809fa6be6c846a9d420603 (patch) | |
| tree | 6af6a40e0d586d2c7f2a7c2bf1b80f321bda173f /indra/newview/llvocache.cpp | |
| parent | 8026ac0dc9cb98eec6bb34cb6766c4150f876bf8 (diff) | |
for SH-4145: Interesting: Implement occlusion culling for object cache
Diffstat (limited to 'indra/newview/llvocache.cpp')
| -rw-r--r-- | indra/newview/llvocache.cpp | 41 |
1 files changed, 35 insertions, 6 deletions
diff --git a/indra/newview/llvocache.cpp b/indra/newview/llvocache.cpp index eba768fef4..6261540765 100644 --- a/indra/newview/llvocache.cpp +++ b/indra/newview/llvocache.cpp @@ -372,10 +372,11 @@ void LLVOCacheEntry::setBoundingInfo(const LLVector3& pos, const LLVector3& scal //------------------------------------------------------------------- LLVOCachePartition::LLVOCachePartition(LLViewerRegion* regionp) { + mLODPeriod = 16; mRegionp = regionp; mPartitionType = LLViewerRegion::PARTITION_VO_CACHE; - new LLviewerOctreeGroup(mOctree); + new LLOcclusionCullingGroup(mOctree, this); } void LLVOCachePartition::addEntry(LLViewerOctreeEntry* entry) @@ -400,11 +401,31 @@ public: mLocalShift = shift; } + virtual bool earlyFail(LLviewerOctreeGroup* base_group) + { + LLOcclusionCullingGroup* group = (LLOcclusionCullingGroup*)base_group; + if(group->needsUpdate()) + { + return false; //needs to issue new occlusion culling check. + } + + group->checkOcclusion(); + + if (group->getOctreeNode()->getParent() && //never occlusion cull the root node + LLPipeline::sUseOcclusion && //ignore occlusion if disabled + group->isOcclusionState(LLSpatialGroup::OCCLUDED)) + { + return true; + } + + return false; + } + virtual S32 frustumCheck(const LLviewerOctreeGroup* group) { - //S32 res = AABBInRegionFrustumGroupBounds(group); + S32 res = AABBInRegionFrustumGroupBounds(group); - S32 res = AABBInRegionFrustumNoFarClipGroupBounds(group); + //S32 res = AABBInRegionFrustumNoFarClipGroupBounds(group); if (res != 0) { res = llmin(res, AABBRegionSphereIntersectGroupExtents(group, mLocalShift)); @@ -414,9 +435,9 @@ public: virtual S32 frustumCheckObjects(const LLviewerOctreeGroup* group) { - //S32 res = AABBInRegionFrustumObjectBounds(group); + S32 res = AABBInRegionFrustumObjectBounds(group); - S32 res = AABBInRegionFrustumNoFarClipObjectBounds(group); + //S32 res = AABBInRegionFrustumNoFarClipObjectBounds(group); if (res != 0) { res = llmin(res, AABBRegionSphereIntersectObjectExtents(group, mLocalShift)); @@ -426,7 +447,15 @@ public: virtual void processGroup(LLviewerOctreeGroup* base_group) { - mRegionp->addVisibleGroup(base_group); + LLOcclusionCullingGroup* group = (LLOcclusionCullingGroup*)base_group; + if (group->needsUpdate() || group->mVisible[LLViewerCamera::sCurCameraID] < LLDrawable::getCurrentFrame() - 1) + { + ((LLOcclusionCullingGroup*)group)->doOcclusion(mCamera); + group->setVisible(); + return; //wait for occlusion culling results + } + + mRegionp->addVisibleGroup(group); } private: |