From d38fe542a2aa7e590d69ef50d854ff4528066037 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Matthias=20Mail=C3=A4nder?= <matthias@mailaender.name>
Date: Sat, 5 Dec 2020 14:07:25 +0100
Subject: [PATCH] Improve performance.

---
 OpenRA.Mods.Common/LoadScreens/BlankLoadScreen.cs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/OpenRA.Mods.Common/LoadScreens/BlankLoadScreen.cs b/OpenRA.Mods.Common/LoadScreens/BlankLoadScreen.cs
index cb6b11d6bf..d6723a137a 100644
--- a/OpenRA.Mods.Common/LoadScreens/BlankLoadScreen.cs
+++ b/OpenRA.Mods.Common/LoadScreens/BlankLoadScreen.cs
@@ -24,6 +24,8 @@ namespace OpenRA.Mods.Common.LoadScreens
 		public LaunchArguments Launch;
 		protected ModData ModData { get; private set; }
 
+		bool initialized;
+
 		public virtual void Init(ModData modData, Dictionary<string, string> info)
 		{
 			ModData = modData;
@@ -31,12 +33,15 @@ namespace OpenRA.Mods.Common.LoadScreens
 
 		public virtual void Display()
 		{
-			if (Game.Renderer == null)
+			if (Game.Renderer == null || initialized)
 				return;
 
 			// Draw a black screen
 			Game.Renderer.BeginUI();
 			Game.Renderer.EndFrame(new NullInputHandler());
+
+			// PERF: draw the screen only once
+			initialized = true;
 		}
 
 		public virtual void StartGame(Arguments args)