From b7e69aaf10b3479674595196e08c3a314d2d49e1 Mon Sep 17 00:00:00 2001
From: adfriz <76892624+adfriz@users.noreply.github.com>
Date: Tue, 25 Aug 2026 14:07:15 +0700
Subject: [PATCH] Change: Request minimum OpenGL 4.1 context in OpenBVE, Route
 Viewer and Object Viewer

---
 source/ObjectViewer/System/GameWindow.cs | 2 +-
 source/OpenBVE/System/GameWindow.cs      | 2 +-
 source/RouteViewer/System/Gamewindow.cs  | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/source/ObjectViewer/System/GameWindow.cs b/source/ObjectViewer/System/GameWindow.cs
index 59e58e97e..a805b6e3e 100644
--- a/source/ObjectViewer/System/GameWindow.cs
+++ b/source/ObjectViewer/System/GameWindow.cs
@@ -14,7 +14,7 @@ internal class ObjectViewer : GameWindow
     {
         //Deliberately specify the default constructor with various overrides
         public ObjectViewer(int width, int height, GraphicsMode currentGraphicsMode, string windowTitle,
-            GameWindowFlags @default) : base(width, height, currentGraphicsMode, windowTitle, @default)
+            GameWindowFlags @default) : base(width, height, currentGraphicsMode, windowTitle, @default, DisplayDevice.Default, 4, 1, GraphicsContextFlags.ForwardCompatible)
         {
             try
             {
diff --git a/source/OpenBVE/System/GameWindow.cs b/source/OpenBVE/System/GameWindow.cs
index 11cd515a8..87213dab7 100644
--- a/source/OpenBVE/System/GameWindow.cs
+++ b/source/OpenBVE/System/GameWindow.cs
@@ -70,7 +70,7 @@ public OpenBVEGame(int width, int height, GraphicsMode currentGraphicsMode, Game
 			}
 		}
 
-		public OpenBVEGame(int width, int height, GraphicsMode currentGraphicsMode, GameWindowFlags @default, GraphicsContextFlags flags): base(width, height, currentGraphicsMode, Translations.GetInterfaceString(HostApplication.OpenBve, new[] {"program","title"}), @default, DisplayDevice.Default, 3,3, flags)
+		public OpenBVEGame(int width, int height, GraphicsMode currentGraphicsMode, GameWindowFlags @default, GraphicsContextFlags flags): base(width, height, currentGraphicsMode, Translations.GetInterfaceString(HostApplication.OpenBve, new[] {"program","title"}), @default, DisplayDevice.Default, 4,1, flags)
 		{
 			Program.FileSystem.AppendToLogFile("Creating game window with forwards-compatible context.");
 			if (Program.CurrentHost.Platform == HostPlatform.AppleOSX && IntPtr.Size != 4)
diff --git a/source/RouteViewer/System/Gamewindow.cs b/source/RouteViewer/System/Gamewindow.cs
index 81473826f..24da8d288 100644
--- a/source/RouteViewer/System/Gamewindow.cs
+++ b/source/RouteViewer/System/Gamewindow.cs
@@ -16,7 +16,7 @@ namespace RouteViewer
     internal class RouteViewer : GameWindow
     {
         //Deliberately specify the default constructor with various overrides
-        public RouteViewer(int width, int height, GraphicsMode currentGraphicsMode, string windowTitle, GameWindowFlags @default): base (width, height, currentGraphicsMode, windowTitle, @default)
+        public RouteViewer(int width, int height, GraphicsMode currentGraphicsMode, string windowTitle, GameWindowFlags @default): base (width, height, currentGraphicsMode, windowTitle, @default, DisplayDevice.Default, 4, 1, GraphicsContextFlags.ForwardCompatible)
         {
             try
             {