3 files changed, 84 insertions, 1 deletions

diff --git a/indra/newview/llmaterialmgr.cpp b/indra/newview/llmaterialmgr.cpp
index f217ff160e..59e5d05736 100644
--- a/indra/newview/llmaterialmgr.cpp
+++ b/indra/newview/llmaterialmgr.cpp
@@ -217,6 +217,51 @@ boost::signals2::connection LLMaterialMgr::get(const LLUUID& region_id, const LL
 	return connection;
 }
 
+boost::signals2::connection LLMaterialMgr::getTE(const LLUUID& region_id, const LLMaterialID& material_id, U32 te, LLMaterialMgr::get_callback_te_t::slot_type cb)
+{
+	boost::signals2::connection connection;
+
+	material_map_t::const_iterator itMaterial = mMaterials.find(material_id);
+	if (itMaterial != mMaterials.end())
+	{
+		LL_DEBUGS("Materials") << "region " << region_id << " found materialid " << material_id << LL_ENDL;
+		get_callback_te_t signal;
+		signal.connect(cb);
+		signal(material_id, itMaterial->second, te);
+		connection = boost::signals2::connection();
+	}
+	else
+	{
+		if (!isGetPending(region_id, material_id))
+		{
+			get_queue_t::iterator itQueue = mGetQueue.find(region_id);
+			if (mGetQueue.end() == itQueue)
+			{
+				LL_DEBUGS("Materials") << "mGetQueue inserting region "<<region_id << LL_ENDL;
+				std::pair<get_queue_t::iterator, bool> ret = mGetQueue.insert(std::pair<LLUUID, material_queue_t>(region_id, material_queue_t()));
+				itQueue = ret.first;
+			}
+			LL_DEBUGS("Materials") << "adding material id " << material_id << LL_ENDL;
+			itQueue->second.insert(material_id);
+			markGetPending(region_id, material_id);
+		}
+
+		TEMaterialPair te_mat_pair;
+		te_mat_pair.te = te;
+		te_mat_pair.materialID = material_id;
+
+		get_callback_te_map_t::iterator itCallback = mGetTECallbacks.find(te_mat_pair);
+		if (itCallback == mGetTECallbacks.end())
+		{
+			std::pair<get_callback_te_map_t::iterator, bool> ret = mGetTECallbacks.insert(std::pair<TEMaterialPair, get_callback_te_t*>(te_mat_pair, new get_callback_te_t()));
+			itCallback = ret.first;
+		}
+		connection = itCallback->second->connect(cb);
+	}
+
+	return connection;
+}
+
 bool LLMaterialMgr::isGetAllPending(const LLUUID& region_id) const
 {
 	getall_pending_map_t::const_iterator itPending = mGetAllPending.find(region_id);
@@ -301,6 +346,22 @@ const LLMaterialPtr LLMaterialMgr::setMaterial(const LLUUID& region_id, const LL
 		mGetCallbacks.erase(itCallback);
 	}
 
+	TEMaterialPair te_mat_pair;
+	te_mat_pair.materialID = material_id;
+
+	U32 i = 0;
+	while (i < LLTEContents::MAX_TES)
+	{
+		te_mat_pair.te = i++;
+		get_callback_te_map_t::iterator itCallbackTE = mGetTECallbacks.find(te_mat_pair);
+		if (itCallbackTE != mGetTECallbacks.end())
+		{
+			(*itCallbackTE->second)(material_id, itMaterial->second, te_mat_pair.te);
+			delete itCallbackTE->second;
+			mGetTECallbacks.erase(itCallbackTE);
+		}
+	}
+
 	return itMaterial->second;
 }
 
diff --git a/indra/newview/llmaterialmgr.h b/indra/newview/llmaterialmgr.h
index a6a7a5d1d7..b5ba8ab680 100644
--- a/indra/newview/llmaterialmgr.h
+++ b/indra/newview/llmaterialmgr.h
@@ -44,9 +44,11 @@ public:
 	typedef std::map<LLMaterialID, LLMaterialPtr> material_map_t;
 
 	typedef boost::signals2::signal<void (const LLMaterialID&, const LLMaterialPtr)> get_callback_t;
+	typedef boost::signals2::signal<void (const LLMaterialID&, const LLMaterialPtr, U32 te)> get_callback_te_t;
 
 	const LLMaterialPtr         get(const LLUUID& region_id, const LLMaterialID& material_id);
 	boost::signals2::connection get(const LLUUID& region_id, const LLMaterialID& material_id, get_callback_t::slot_type cb);
+	boost::signals2::connection getTE(const LLUUID& region_id, const LLMaterialID& material_id, U32 te, get_callback_te_t::slot_type cb);
 
 	typedef boost::signals2::signal<void (const LLUUID&, const material_map_t&)> getall_callback_t;
 	void                        getAll(const LLUUID& region_id);
@@ -80,6 +82,26 @@ protected:
 	typedef std::map<LLMaterialID, get_callback_t*> get_callback_map_t;
 	get_callback_map_t mGetCallbacks;
 
+	// struct for TE-specific material ID query
+	struct TEMaterialPair
+	{
+		U32 te;
+		LLMaterialID materialID;
+	};
+
+	// needed for std::map compliance only
+	//
+	friend inline bool operator<(
+		const struct LLMaterialMgr::TEMaterialPair& lhs,
+		const struct LLMaterialMgr::TEMaterialPair& rhs)
+	{
+		return (lhs.materialID < rhs.materialID) ? TRUE :
+		       (lhs.te	< rhs.te) ? TRUE : FALSE;
+	}
+
+	typedef std::map<TEMaterialPair, get_callback_te_t*> get_callback_te_map_t;
+	get_callback_te_map_t mGetTECallbacks;
+
 	typedef std::set<LLUUID> getall_queue_t;
 	getall_queue_t        mGetAllQueue;
 	getall_queue_t        mGetAllRequested;
diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp
index 694ad82914..a9b540507f 100755
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -1993,7 +1993,7 @@ S32 LLVOVolume::setTEMaterialID(const U8 te, const LLMaterialID& pMaterialID)
 	LL_DEBUGS("MaterialTEs") << " " << pMaterialID.asString() << LL_ENDL;
 	if (res)
 	{
-		LLMaterialMgr::instance().get(getRegion()->getRegionID(), pMaterialID, boost::bind(&LLVOVolume::setTEMaterialParamsCallback, this, _1, _2, te));			
+		LLMaterialMgr::instance().getTE(getRegion()->getRegionID(), pMaterialID, te, boost::bind(&LLVOVolume::setTEMaterialParamsCallback, this, _1, _2, _3));			
 		setChanged(TEXTURE);
 		if (!mDrawable.isNull())
 		{