1 files changed, 30 insertions, 3 deletions

diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp
index 14bedaa49c..f1b27fb4df 100644
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -603,6 +603,9 @@ BOOL LLVOVolume::idleUpdate(LLAgent &agent, LLWorld &world, const F64 &time)
 {
 	LLViewerObject::idleUpdate(agent, world, time);
 
+	static LLFastTimer::DeclareTimer ftm("Volume");
+	LLFastTimer t(ftm);
+
 	if (mDead || mDrawable.isNull())
 	{
 		return TRUE;
@@ -624,6 +627,18 @@ BOOL LLVOVolume::idleUpdate(LLAgent &agent, LLWorld &world, const F64 &time)
 		mVolumeImpl->doIdleUpdate(agent, world, time);
 	}
 
+	const S32 MAX_ACTIVE_OBJECT_QUIET_FRAMES = 40;
+
+	if (mDrawable->isActive())
+	{
+		if (mDrawable->isRoot() && 
+			mDrawable->mQuietCount++ > MAX_ACTIVE_OBJECT_QUIET_FRAMES && 
+			(!mDrawable->getParent() || !mDrawable->getParent()->isActive()))
+		{
+			mDrawable->makeStatic();
+		}
+	}
+
 	return TRUE;
 }
 
@@ -1073,7 +1088,7 @@ BOOL LLVOVolume::calcLOD()
 	S32 cur_detail = 0;
 	
 	F32 radius = getVolume()->mLODScaleBias.scaledVec(getScale()).length();
-	F32 distance = llmin(mDrawable->mDistanceWRTCamera, MAX_LOD_DISTANCE);
+	F32 distance = mDrawable->mDistanceWRTCamera; //llmin(mDrawable->mDistanceWRTCamera, MAX_LOD_DISTANCE);
 	distance *= sDistanceFactor;
 			
 	F32 rampDist = LLVOVolume::sLODFactor * 2;
@@ -1500,7 +1515,14 @@ void LLVOVolume::updateFaceSize(S32 idx)
 	else
 	{
 		const LLVolumeFace& vol_face = getVolume()->getVolumeFace(idx);
-		facep->setSize(vol_face.mVertices.size(), vol_face.mIndices.size());
+		if (LLPipeline::sUseTriStrips)
+		{
+			facep->setSize(vol_face.mVertices.size(), vol_face.mTriStrip.size());
+		}
+		else
+		{
+			facep->setSize(vol_face.mVertices.size(), vol_face.mIndices.size());
+		}
 	}
 }
 
@@ -3250,6 +3272,11 @@ void LLVolumeGeometryManager::registerFace(LLSpatialGroup* group, LLFace* facep,
 		draw_info->mExtents[0] = facep->mExtents[0];
 		draw_info->mExtents[1] = facep->mExtents[1];
 		validate_draw_info(*draw_info);
+
+		if (LLPipeline::sUseTriStrips)
+		{
+			draw_info->mDrawMode = LLRender::TRIANGLE_STRIP;
+		}
 	}
 }
 
@@ -3334,7 +3361,7 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 			drawablep->updateFaceSize(i);
 			LLFace* facep = drawablep->getFace(i);
 
-			if (cur_total > max_total)
+			if (cur_total > max_total || facep->getIndicesCount() <= 0 || facep->getGeomCount() <= 0)
 			{
 				facep->mVertexBuffer = NULL;
 				facep->mLastVertexBuffer = NULL;