From 46b767da0c14745a6cd807637249ec0b5b57b8f1 Mon Sep 17 00:00:00 2001
From: jacob1 <jfu614@gmail.com>
Date: Fri, 25 Jan 2013 23:15:33 -0500
Subject: [PATCH] clear persistent effects when it's display mode is removed

---
 src/graphics/Renderer.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/graphics/Renderer.cpp b/src/graphics/Renderer.cpp
index 14a64be26..50c9ba47a 100644
--- a/src/graphics/Renderer.cpp
+++ b/src/graphics/Renderer.cpp
@@ -2630,9 +2630,14 @@ std::vector<unsigned int> Renderer::GetRenderMode()
 
 void Renderer::CompileDisplayMode()
 {
+	int old_display_mode = display_mode;
 	display_mode = 0;
 	for(int i = 0; i < display_modes.size(); i++)
 		display_mode |= display_modes[i];
+	if(!(display_mode & DISPLAY_PERS) && (old_display_mode & DISPLAY_PERS))
+	{
+		ClearAccumulation();
+	}
 }
 
 void Renderer::AddDisplayMode(unsigned int mode)