From b96ebaafeb6fc28ff0f438339cc82ee378272db9 Mon Sep 17 00:00:00 2001
From: zeromus <zeromus@zeromus.org>
Date: Fri, 13 Jun 2014 01:27:26 +0000
Subject: [PATCH] dont get stuck if the user specifies a crashing retroshader

---
 BizHawk.Client.EmuHawk/DisplayManager/Filters/Retro.cs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/BizHawk.Client.EmuHawk/DisplayManager/Filters/Retro.cs b/BizHawk.Client.EmuHawk/DisplayManager/Filters/Retro.cs
index bd929f01af..cfefbb6f51 100644
--- a/BizHawk.Client.EmuHawk/DisplayManager/Filters/Retro.cs
+++ b/BizHawk.Client.EmuHawk/DisplayManager/Filters/Retro.cs
@@ -40,6 +40,11 @@ namespace BizHawk.Client.EmuHawk.Filters
 
 				//acquire content
 				string path = Path.Combine(baseDirectory, pass.ShaderPath);
+				if (!File.Exists(path))
+				{
+					ok = false;
+					break;
+				}
 				string content = File.ReadAllText(path);
 
 				var shader = new RetroShader(Owner, content, debug);