Added comments in performance sensitive code.

2015-12-04 19:38:20 +00:00
parent aaa82339d1
commit b0619a3e25
22 changed files with 76 additions and 11 deletions
--- a/OpenRA.Game/Graphics/Viewport.cs
+++ b/OpenRA.Game/Graphics/Viewport.cs
@@ -22,6 +22,7 @@ namespace OpenRA.Graphics
 	{
 		public static bool Includes(this ScrollDirection d, ScrollDirection s)
 		{
+			// PERF: Enum.HasFlag is slower and requires allocations.
 			return (d & s) == s;
 		}