From 55b2e74daca8c50e241fa5776f7e0ea0328afcc9 Mon Sep 17 00:00:00 2001
From: goyuken <goyuken@4bbf4f03-6f44-549e-7e59-35d4b0962838>
Date: Thu, 4 Oct 2012 19:59:39 +0000
Subject: [PATCH] SNESGraphicsDebugger: don't process hooks when form is not
 visible.  fixes significant snes speed regression in r3300

---
 BizHawk.MultiClient/SNESTools/SNESGraphicsDebugger.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/BizHawk.MultiClient/SNESTools/SNESGraphicsDebugger.cs b/BizHawk.MultiClient/SNESTools/SNESGraphicsDebugger.cs
index a317fd2ff8..e5dafa8eb9 100644
--- a/BizHawk.MultiClient/SNESTools/SNESGraphicsDebugger.cs
+++ b/BizHawk.MultiClient/SNESTools/SNESGraphicsDebugger.cs
@@ -83,7 +83,7 @@ namespace BizHawk.MultiClient
 		public void UpdateToolsAfter()
 		{
 			SyncCore();
-			if (!checkScanlineControl.Checked)
+			if (this.Visible && !checkScanlineControl.Checked)
 			{
 				RegenerateData();
 				UpdateValues();
@@ -126,7 +126,7 @@ namespace BizHawk.MultiClient
 
 			if (currentSnesCore != null)
 			{
-				if (checkScanlineControl.Checked)
+				if (this.Visible && checkScanlineControl.Checked)
 					currentSnesCore.ScanlineHookManager.Register(this, ScanlineHook);
 				else
 					currentSnesCore.ScanlineHookManager.Unregister(this);