add throttle to number of pokes to potential visible objects per frame.

1 files changed, 44 insertions, 17 deletions

diff --git a/indra/newview/llviewerregion.cpp b/indra/newview/llviewerregion.cpp
index d619a2af8b..dee52abea7 100755
--- a/indra/newview/llviewerregion.cpp
+++ b/indra/newview/llviewerregion.cpp
@@ -1049,6 +1049,8 @@ void LLViewerRegion::addVisibleCacheEntry(LLVOCacheEntry* entry)
 
 F32 LLViewerRegion::updateVisibleEntries(F32 max_time)
 {
+	static LLCachedControl<F32> projection_area_cutoff(gSavedSettings,"ObjectProjectionAreaCutOFF");
+
 	if(mDead)
 	{
 		return max_time;
@@ -1059,8 +1061,27 @@ F32 LLViewerRegion::updateVisibleEntries(F32 max_time)
 		return max_time;
 	}
 
+	if(!sNewObjectCreationThrottle)
+	{
+		return max_time;
+	}
+	U32 new_obj_count = sNewObjectCreationThrottle;
+	if(sNewObjectCreationThrottle < 0)
+	{
+		new_obj_count = (U32)-1; //maximum
+	}
+	else
+	{
+		new_obj_count *= 1.5f; //load 50% more for selection
+	}
+
 	LLTimer update_timer;
 
+	//object projected area threshold
+	F32 pixel_meter_ratio = LLViewerCamera::getInstance()->getPixelMeterRatio();
+	F32 projection_threshold = pixel_meter_ratio > 0.f ? projection_area_cutoff / pixel_meter_ratio : 0.f;
+	projection_threshold *= projection_threshold;
+	
 	const F32 LARGE_SCENE_CONTRIBUTION = 100.f; //a large number to force to load the object.
 	const LLVector3 camera_origin = LLViewerCamera::getInstance()->getOrigin();
 	const U32 cur_frame = LLViewerOctreeEntryData::getCurrentFrame();
@@ -1068,7 +1089,7 @@ F32 LLViewerRegion::updateVisibleEntries(F32 max_time)
 	U32 last_update = mImpl->mLastCameraUpdate;
 
 	//process visible entries
-	for(LLVOCacheEntry::vocache_entry_set_t::iterator iter = mImpl->mVisibleEntries.begin(); iter != mImpl->mVisibleEntries.end();)
+	for(LLVOCacheEntry::vocache_entry_set_t::iterator iter = mImpl->mVisibleEntries.begin(); new_obj_count > 0 && iter != mImpl->mVisibleEntries.end();)
 	{
 		LLVOCacheEntry* vo_entry = *iter;
 
@@ -1078,6 +1099,10 @@ F32 LLViewerRegion::updateVisibleEntries(F32 max_time)
 		if(vo_entry->getState() < LLVOCacheEntry::WAITING)
 		{			
 			mImpl->mWaitingList.insert(vo_entry);
+			if(!(--new_obj_count))
+			{
+				break;
+			}
 		}
 
 		LLVOCacheEntry* child;
@@ -1090,6 +1115,11 @@ F32 LLViewerRegion::updateVisibleEntries(F32 max_time)
 			{
 				child->setSceneContribution(LARGE_SCENE_CONTRIBUTION); //a large number to force to load the child.
 				mImpl->mWaitingList.insert(child);
+
+				if(!(--new_obj_count))
+				{
+					break;
+				}
 			}
 			else
 			{
@@ -1123,7 +1153,7 @@ F32 LLViewerRegion::updateVisibleEntries(F32 max_time)
 
 	//process visible groups
 	std::set< LLPointer<LLViewerOctreeGroup> >::iterator group_iter = mImpl->mVisibleGroups.begin();
-	for(; group_iter != mImpl->mVisibleGroups.end(); ++group_iter)
+	for(; new_obj_count > 0 && group_iter != mImpl->mVisibleGroups.end(); ++group_iter)
 	{
 		LLPointer<LLViewerOctreeGroup> group = *group_iter;
 		if(group->getNumRefs() < 3 || //group to be deleted
@@ -1145,7 +1175,16 @@ F32 LLViewerRegion::updateVisibleEntries(F32 max_time)
 				}
 
 				vo_entry->calcSceneContribution(camera_origin, needs_update, last_update);				
-				mImpl->mWaitingList.insert(vo_entry);
+
+				if(vo_entry->getSceneContribution() > projection_threshold)
+				{
+					mImpl->mWaitingList.insert(vo_entry);
+					
+					if(!(--new_obj_count))
+					{
+						break;
+					}
+				}
 			}
 		}
 	}
@@ -1161,8 +1200,6 @@ F32 LLViewerRegion::updateVisibleEntries(F32 max_time)
 
 F32 LLViewerRegion::createVisibleObjects(F32 max_time)
 {
-	static LLCachedControl<F32> projection_area_cutoff(gSavedSettings,"ObjectProjectionAreaCutOFF");
-
 	if(mDead)
 	{
 		return max_time;
@@ -1171,12 +1208,7 @@ F32 LLViewerRegion::createVisibleObjects(F32 max_time)
 	{
 		mImpl->mVOCachePartition->setCullHistory(FALSE);
 		return max_time;
-	}
-
-	//object projected area threshold
-	F32 pixel_meter_ratio = LLViewerCamera::getInstance()->getPixelMeterRatio();
-	F32 projection_threshold = pixel_meter_ratio > 0.f ? projection_area_cutoff / pixel_meter_ratio : 0.f;
-	projection_threshold *= projection_threshold;
+	}	
 
 	S32 throttle = sNewObjectCreationThrottle;
 	BOOL has_new_obj = FALSE;
@@ -1184,12 +1216,7 @@ F32 LLViewerRegion::createVisibleObjects(F32 max_time)
 	for(LLVOCacheEntry::vocache_entry_priority_list_t::iterator iter = mImpl->mWaitingList.begin();
 		iter != mImpl->mWaitingList.end(); ++iter)
 	{
-		LLVOCacheEntry* vo_entry = *iter;
-			
-		if(vo_entry->getSceneContribution() < projection_threshold)
-		{
-			break;
-		}
+		LLVOCacheEntry* vo_entry = *iter;		
 
 		if(vo_entry->getState() < LLVOCacheEntry::WAITING)
 		{