Merge branch 'main' into DRTVWR-587-maint-V

# Conflicts:
#	autobuild.xml

1 files changed, 24 insertions, 9 deletions

diff --git a/indra/newview/llmaterialmgr.h b/indra/newview/llmaterialmgr.h
index 843dc66fbc..8f1ec8584b 100644
--- a/indra/newview/llmaterialmgr.h
+++ b/indra/newview/llmaterialmgr.h
@@ -93,7 +93,11 @@ private:
 
 		bool operator==(const TEMaterialPair& b) const { return (materialID == b.materialID) && (te == b.te); }
 	};
-	
+
+	// definitions follow class
+	friend std::hash<TEMaterialPair>;
+	friend size_t hash_value(const TEMaterialPair&) noexcept;
+
 	friend inline bool operator<(
 		const LLMaterialMgr::TEMaterialPair& lhs,
 		const LLMaterialMgr::TEMaterialPair& rhs)
@@ -102,13 +106,6 @@ private:
 			(lhs.materialID < rhs.materialID);
 	}
 
-	struct TEMaterialPairHasher
-	{
-		enum { bucket_size = 8 };
-		size_t operator()(const TEMaterialPair& key_value) const { return *((size_t*)key_value.materialID.get());  } // cheesy, but effective
-		bool   operator()(const TEMaterialPair& left, const TEMaterialPair& right) const { return left < right; }
-	};
-
 	typedef std::set<LLMaterialID> material_queue_t;
 	typedef std::map<LLUUID, material_queue_t> get_queue_t;
 	typedef std::pair<const LLUUID, LLMaterialID> pending_material_t;
@@ -116,7 +113,7 @@ private:
 	typedef std::map<LLMaterialID, get_callback_t*> get_callback_map_t;
 
 
-	typedef boost::unordered_map<TEMaterialPair, get_callback_te_t*, TEMaterialPairHasher> get_callback_te_map_t;
+	typedef boost::unordered_map<TEMaterialPair, get_callback_te_t*> get_callback_te_map_t;
 	typedef std::set<LLUUID> getall_queue_t;
 	typedef std::map<LLUUID, F64> getall_pending_map_t;
 	typedef std::map<LLUUID, getall_callback_t*> getall_callback_map_t;
@@ -146,5 +143,23 @@ private:
 	U32 getMaxEntries(const LLViewerRegion* regionp);
 };
 
+// std::hash implementation for TEMaterialPair
+namespace std
+{
+	template<> struct hash<LLMaterialMgr::TEMaterialPair>
+	{
+		inline size_t operator()(const LLMaterialMgr::TEMaterialPair& p) const noexcept
+		{
+			return size_t((p.te + 1) * p.materialID.getDigest64());
+		}
+	};
+}
+
+// For use with boost containers.
+inline size_t hash_value(const LLMaterialMgr::TEMaterialPair& p) noexcept
+{
+	return size_t((p.te + 1) * p.materialID.getDigest64());
+}
+
 #endif // LL_LLMATERIALMGR_H