From 7f7b80b8a8b39a92231214ecc4b5bb1862e4edc4 Mon Sep 17 00:00:00 2001
From: zeromus <zeromus@users.sf.net>
Date: Wed, 7 May 2008 22:33:53 +0000
Subject: [PATCH] google issue 42 - palette corruption

---
 src/drivers/win/video.cpp | 31 ++++++++++++++++++-------------
 1 file changed, 18 insertions(+), 13 deletions(-)

diff --git a/src/drivers/win/video.cpp b/src/drivers/win/video.cpp
index 52049024..87288e72 100644
--- a/src/drivers/win/video.cpp
+++ b/src/drivers/win/video.cpp
@@ -97,19 +97,24 @@ void FCEUD_GetPalette(unsigned char i, unsigned char *r, unsigned char *g, unsig
         *b=color_palette[i].peBlue;
 }
 
+static bool firstInitialize = true;
 static int InitializeDDraw(int fs)
 {
-#ifdef _USE_SHARED_MEMORY_
-	mapColorPalette = CreateFileMapping(INVALID_HANDLE_VALUE,NULL,PAGE_READWRITE, 0, 256 * sizeof(PALETTEENTRY),"fceu.ColorPalette");
-	if(mapColorPalette == NULL || GetLastError() == ERROR_ALREADY_EXISTS)
-	{
-		CloseHandle(mapColorPalette);
-		mapColorPalette = NULL;
-		color_palette = (PALETTEENTRY*)malloc(256 * sizeof(PALETTEENTRY)); //mbg merge 7/18/06 added cast
+	//only init the palette the first time through
+	if(firstInitialize) {
+		firstInitialize = false;
+		#ifdef _USE_SHARED_MEMORY_
+			mapColorPalette = CreateFileMapping(INVALID_HANDLE_VALUE,NULL,PAGE_READWRITE, 0, 256 * sizeof(PALETTEENTRY),"fceu.ColorPalette");
+			if(mapColorPalette == NULL || GetLastError() == ERROR_ALREADY_EXISTS)
+			{
+				CloseHandle(mapColorPalette);
+				mapColorPalette = NULL;
+				color_palette = (PALETTEENTRY*)malloc(256 * sizeof(PALETTEENTRY)); //mbg merge 7/18/06 added cast
+			}
+			else
+				color_palette   = (PALETTEENTRY *)MapViewOfFile(mapColorPalette, FILE_MAP_WRITE, 0, 0, 0);
+		#endif
 	}
-	else
-		color_palette   = (PALETTEENTRY *)MapViewOfFile(mapColorPalette, FILE_MAP_WRITE, 0, 0, 0);
-#endif
 
 	//(disvaccel&(1<<(fs?1:0)))?(GUID FAR *)DDCREATE_EMULATIONONLY:
         ddrval = DirectDrawCreate((disvaccel&(1<<(fs?1:0)))?(GUID FAR *)DDCREATE_EMULATIONONLY:NULL, &lpDD, NULL);
@@ -1081,8 +1086,8 @@ void SetFSVideoMode()
 
 void DoVideoConfigFix(void)
 {
-        FCEUI_DisableSpriteLimitation(eoptions&EO_NOSPRLIM);
-        UpdateRendBounds();
+	FCEUI_DisableSpriteLimitation(eoptions&EO_NOSPRLIM);
+	UpdateRendBounds();
 }
 
 /**
@@ -1103,6 +1108,6 @@ void ConfigVideo(void)
 		SetVideoMode(0);
 		changerecursive = 0;
 	}
-	//SetMainWindowStuff();
+	SetMainWindowStuff();
 }