From 5b5131539420ddfdbc1a695d41cbab3c6c72b203 Mon Sep 17 00:00:00 2001
From: Glenn Maynard <gmaynard@users.sourceforge.net>
Date: Thu, 27 Oct 2005 13:24:27 +0000
Subject: [PATCH] remove Xbox prefs from PREFSMAN (not tested on Xbox)

---
 .../src/archutils/Xbox/VirtualMemory.cpp      | 21 ++++++++++++++++++-
 stepmania/src/archutils/Xbox/VirtualMemory.h  |  2 +-
 2 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/stepmania/src/archutils/Xbox/VirtualMemory.cpp b/stepmania/src/archutils/Xbox/VirtualMemory.cpp
index f7fab4a0d2..f302989e91 100644
--- a/stepmania/src/archutils/Xbox/VirtualMemory.cpp
+++ b/stepmania/src/archutils/Xbox/VirtualMemory.cpp
@@ -4,6 +4,7 @@
 #include "global.h"
 #include "VirtualMemory.h"
 #include "RageLog.h"
+#include "Preference.h"
 #include <new>
 
 #if defined(WINDOWS)
@@ -14,6 +15,16 @@
 
 VirtualMemoryManager vmem_Manager;
 
+static Preference<bool>		g_bEnableVirtualMemory( "EnableVirtualMemory", true );
+// page file size in megabytes
+static Preference<int>		g_iPageFileSize( "PageFileSize", 384 );
+// page size in kilobytes
+static Preference<int>		g_iPageSize( "PageSize", 16 );
+// threshold in kilobytes where virtual memory will be used
+static Preference<int>		g_iPageThreshold( "PageThreshold", 8 );
+// (under debug) log the virtual memory allocation, etc.
+static Preference<bool>		g_bLogVirtualMemory( "LogVirtualMemory", false );
+
 struct vm_page
 {
 	DWORD startAddress; // start address for this page
@@ -39,8 +50,14 @@ VirtualMemoryManager::~VirtualMemoryManager()
 	Destroy();	
 }
 
-bool VirtualMemoryManager::Init(unsigned long totalPageSize, unsigned long sizePerPage, unsigned long thold)
+bool VirtualMemoryManager::Init()
 {
+	if( !g_bEnableVirtualMemory )
+		return true;
+	unsigned long totalPageSize = 1024 * 1024 * g_iPageFileSize;
+	unsigned long sizePerPage = 1024 * g_iPageSize;
+	unsigned long thold = 1024 * g_iPageThreshold;
+
 	threshold = thold;
 
 	totalPages = totalPageSize / sizePerPage;
@@ -93,6 +110,8 @@ bool VirtualMemoryManager::Init(unsigned long totalPageSize, unsigned long sizeP
 		pages[i].locked = false;
 	}
 
+	SetLogging( g_bLogVirtualMemory );
+
 	inited = true;
 	return true;
 }
diff --git a/stepmania/src/archutils/Xbox/VirtualMemory.h b/stepmania/src/archutils/Xbox/VirtualMemory.h
index 2874d99dcd..3d27a84b95 100644
--- a/stepmania/src/archutils/Xbox/VirtualMemory.h
+++ b/stepmania/src/archutils/Xbox/VirtualMemory.h
@@ -17,7 +17,7 @@ public:
 	VirtualMemoryManager();
 	~VirtualMemoryManager();
 
-	bool Init(unsigned long totalPageSize, unsigned long sizePerPage, unsigned long thold);
+	bool Init();
 	void Destroy();
 	void* Allocate(size_t size);
 	bool Free(void *ptr);