fix for SH-4264: interesting: Content near edges of screen does not load

2 files changed, 24 insertions, 21 deletions

diff --git a/indra/newview/llviewerobject.cpp b/indra/newview/llviewerobject.cpp
index 5ae08a8b9e..4e514ddfd1 100755
--- a/indra/newview/llviewerobject.cpp
+++ b/indra/newview/llviewerobject.cpp
@@ -1026,11 +1026,6 @@ U32 LLViewerObject::extractSpatialExtents(LLDataPackerBinaryBuffer *dp, LLVector
 {
 	U32	parent_id = 0;
 	LLViewerObject::unpackParentID(dp, parent_id);
-	if(parent_id > 0)
-	{
-		//is a child, no need to decode further.
-		return parent_id;
-	}
 
 	LLViewerObject::unpackVector3(dp, scale, "Scale");
 	LLViewerObject::unpackVector3(dp, pos, "Pos");
diff --git a/indra/newview/llviewerregion.cpp b/indra/newview/llviewerregion.cpp
index dd4c7f2aff..d27b37d029 100755
--- a/indra/newview/llviewerregion.cpp
+++ b/indra/newview/llviewerregion.cpp
@@ -910,19 +910,19 @@ void LLViewerRegion::removeActiveCacheEntry(LLVOCacheEntry* entry, LLDrawable* d
 		return;
 	}
 
+	bool is_orphan = false;
+	LLVOCacheEntry* parent = NULL;
 	if(entry->getParentID() > 0) //is a child
 	{
-		LLVOCacheEntry* parent = getCacheEntry(entry->getParentID());
-		if(parent)
-		{
-			parent->addChild(entry);
-		}
-		else //parent is not in the cache, put into the orphan list.
+		parent = getCacheEntry(entry->getParentID());
+		if(!parent)
 		{
+			is_orphan = true;
 			mOrphanMap[entry->getParentID()].push_back(entry->getLocalID());
 		}
 	}
-	else //insert to vo cache tree.
+	
+	if(!is_orphan)//insert to vo cache tree.
 	{
 		//shift to the local regional space from agent space
 		const LLVector3 pos = drawablep->getVObj()->getPositionRegion();
@@ -931,6 +931,11 @@ void LLViewerRegion::removeActiveCacheEntry(LLVOCacheEntry* entry, LLDrawable* d
 		shift.setSub(vec, entry->getPositionGroup());
 		entry->shift(shift);
 		
+		if(parent) //is a child
+		{
+			entry->shift(parent->getPositionGroup());
+			parent->addChild(entry);
+		}
 		addToVOCacheTree(entry);
 	}
 
@@ -965,10 +970,6 @@ void LLViewerRegion::addToVOCacheTree(LLVOCacheEntry* entry)
 	{
 		return;
 	}
-	if(entry->getParentID() > 0)
-	{
-		return; //no child prim in cache octree.
-	}
 
 	llassert(!entry->getEntry()->hasDrawable());
 
@@ -1102,7 +1103,8 @@ F32 LLViewerRegion::updateVisibleEntries(F32 max_time)
 
 				if(vo_entry->getParentID() > 0) //is a child
 				{
-					//child visibility depends on its parent.
+					//child visibility depends on its parent, force its parent to be visible
+					addVisibleCacheEntry(getCacheEntry(vo_entry->getParentID()));
 					continue;
 				}
 
@@ -1832,21 +1834,22 @@ void LLViewerRegion::decodeBoundingInfo(LLVOCacheEntry* entry)
 		//1, find the parent in cache
 		LLVOCacheEntry* parent = getCacheEntry(parent_id);
 		
-		//2, parent is not in the cache, put into the orphan list.
-		if(!parent)
+		//2, parent is not in the cache or not probed, put into the orphan list.
+		if(!parent || !parent->getEntry())
 		{
 			//check if parent is non-cacheable and already created
-			if(isNonCacheableObjectCreated(parent_id))
+			if(!parent && isNonCacheableObjectCreated(parent_id))
 			{
 				//parent is visible, so is the child.
 				addVisibleCacheEntry(entry);
 			}
 			else
 			{
+				entry->setBoundingInfo(pos, scale);
 			    mOrphanMap[parent_id].push_back(entry->getLocalID());
 		    }
 		}
-		else //parent in cache
+		else //parent in cache octree or probed
 		{
 			if(!parent->isState(LLVOCacheEntry::INACTIVE)) 
 			{
@@ -1855,6 +1858,9 @@ void LLViewerRegion::decodeBoundingInfo(LLVOCacheEntry* entry)
 			}
 			else
 			{
+				entry->setBoundingInfo(pos, scale);
+				entry->shift(parent->getPositionGroup());
+				addToVOCacheTree(entry);
 				parent->addChild(entry);
 			}
 		}
@@ -1884,6 +1890,8 @@ void LLViewerRegion::decodeBoundingInfo(LLVOCacheEntry* entry)
 				LLVOCacheEntry* child = getCacheEntry((*orphans)[i]);
 				if(child)
 				{
+					child->shift(entry->getPositionGroup());
+					addToVOCacheTree(child);
 					entry->addChild(child);
 				}
 			}