diff --git a/src/Main/FrameBufferWin.cpp b/src/Main/FrameBufferWin.cpp
new file mode 100644
index 0000000..53cda59
--- /dev/null
+++ b/src/Main/FrameBufferWin.cpp
@@ -0,0 +1,49 @@
+// SwiftShader Software Renderer
+//
+// Copyright(c) 2005-2012 TransGaming Inc.
+//
+// All rights reserved. No part of this software may be copied, distributed, transmitted,
+// transcribed, stored in a retrieval system, translated into any human or computer
+// language by any means, or disclosed to third parties without the explicit written
+// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express
+// or implied, including but not limited to any patent rights, are granted to you.
+//
+
+#include "FrameBufferWin.hpp"
+
+namespace sw
+{
+	FrameBufferWin::FrameBufferWin(HWND windowHandle, int width, int height, bool fullscreen, bool topLeftOrigin) : FrameBuffer(width, height, fullscreen, topLeftOrigin), windowHandle(windowHandle)
+	{
+		if(!windowed)
+		{
+			// Force fullscreen window style (no borders)
+			originalWindowStyle = GetWindowLong(windowHandle, GWL_STYLE);
+			SetWindowLong(windowHandle, GWL_STYLE, WS_POPUP);
+		}
+	}
+
+	FrameBufferWin::~FrameBufferWin()
+	{
+		if(!windowed && GetWindowLong(windowHandle, GWL_STYLE) == WS_POPUP)
+		{
+			SetWindowLong(windowHandle, GWL_STYLE, originalWindowStyle);
+		}
+	}
+
+	void FrameBufferWin::updateBounds(HWND windowOverride)
+	{
+		HWND window = windowOverride ? windowOverride : windowHandle;
+
+		if(windowed)
+		{
+			GetClientRect(window, &bounds);
+			ClientToScreen(window, (POINT*)&bounds);
+			ClientToScreen(window, (POINT*)&bounds + 1);
+		}
+		else
+		{
+			SetRect(&bounds, 0, 0, GetSystemMetrics(SM_CXSCREEN), GetSystemMetrics(SM_CYSCREEN));
+		}
+	}
+}