From 86926377a51398c24d1338bdd2523d13724da486 Mon Sep 17 00:00:00 2001
From: Lukas Werling <lukas.werling@gmail.com>
Date: Thu, 28 Dec 2017 17:31:51 +0100
Subject: [PATCH] Show error dialog if OpenGL initialization fails (#1890)

---
 src/graphics/C4DrawGL.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/graphics/C4DrawGL.cpp b/src/graphics/C4DrawGL.cpp
index a31434182..41d4904a5 100644
--- a/src/graphics/C4DrawGL.cpp
+++ b/src/graphics/C4DrawGL.cpp
@@ -346,6 +346,10 @@ CStdGLCtx *CStdGL::CreateContext(C4Window * pWindow, C4AbstractApp *pApp)
 				LogSilentF("GLExt: %s", gl_extensions ? gl_extensions : "");
 			}
 		}
+		if (!success)
+		{
+			pApp->MessageDialog("Error while initializing OpenGL. Check the log file for more information. This usually means your GPU is too old.");
+		}
 	}
 	if (!success)
 	{