From 73effc70bb78f10657370b9fccd20bd05bf052d6 Mon Sep 17 00:00:00 2001
From: Magnus Norddahl <dpjudas@users.noreply.github.com>
Date: Fri, 7 Apr 2017 15:45:08 +0200
Subject: [PATCH] - The legacy OpenGL path resets the GLSL version, which in
 turn makes #version 0 crash the AMD driver. Old stuff that uses the legacy
 path will not get glswfb acceleration.

---
 src/gl/system/gl_swframebuffer.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/gl/system/gl_swframebuffer.cpp b/src/gl/system/gl_swframebuffer.cpp
index c391c4930..15cabc68e 100644
--- a/src/gl/system/gl_swframebuffer.cpp
+++ b/src/gl/system/gl_swframebuffer.cpp
@@ -214,6 +214,11 @@ OpenGLSWFrameBuffer::OpenGLSWFrameBuffer(void *hMonitor, int width, int height,
 		return;
 	}
 	gl_LoadExtensions();
+	if (gl.legacyMode)
+	{
+		Printf("Legacy OpenGL path is active. No Acceleration will be used.\n");
+		return;
+	}
 	InitializeState();
 	if (first)
 	{