added fullscreen support for opengl (win32)

Engine/source/windowManager/win32/win32Window.cpp

@@ -150,10 +150,29 @@ void Win32Window::setVideoMode( const GFXVideoMode &mode )
 
 	// Set our window to have the right style based on the mode
    if(mode.fullScreen && !Platform::getWebDeployment() && !mOffscreenRender)
-	{
-		SetWindowLong( getHWND(), GWL_STYLE, WS_POPUP);
-		SetWindowPos( getHWND(), HWND_NOTOPMOST, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_FRAMECHANGED);
-		
+   {
+	  WINDOWPLACEMENT wplacement = { sizeof(wplacement) };
+	  DWORD dwStyle = GetWindowLong(getHWND(), GWL_STYLE);
+	  MONITORINFO mi = { sizeof(mi) };
+
+	  if (GetWindowPlacement(getHWND(), &wplacement) && GetMonitorInfo(MonitorFromWindow(getHWND(), MONITOR_DEFAULTTOPRIMARY), &mi))
+	  {
+		   DISPLAY_DEVICE dd = GetPrimaryDevice();
+		   DEVMODE dv;
+		   ZeroMemory(&dv, sizeof(dv));
+		   dv.dmSize = sizeof(DEVMODE);
+		   EnumDisplaySettings(dd.DeviceName, ENUM_CURRENT_SETTINGS, &dv);
+		   dv.dmPelsWidth = mode.resolution.x;
+		   dv.dmPelsHeight = mode.resolution.y;
+		   dv.dmFields = (DM_PELSWIDTH | DM_PELSHEIGHT);
+		   ChangeDisplaySettings(&dv, CDS_FULLSCREEN);
+		   SetWindowLong(getHWND(), GWL_STYLE, dwStyle & ~WS_OVERLAPPEDWINDOW);
+		   SetWindowPos(getHWND(), HWND_TOP,	mi.rcMonitor.left, mi.rcMonitor.top,
+												mi.rcMonitor.right - mi.rcMonitor.left,
+												mi.rcMonitor.bottom - mi.rcMonitor.top,
+												SWP_NOOWNERZORDER | SWP_FRAMECHANGED);
+	  }
+
       if(mDisplayWindow)
          ShowWindow(getHWND(), SW_SHOWNORMAL);
 
@@ -172,7 +191,9 @@ void Win32Window::setVideoMode( const GFXVideoMode &mode )
 	}
 	else
 	{
-      // Reset device *first*, so that when we call setSize() and let it
+	   ChangeDisplaySettings(NULL, 0);
+
+       // Reset device *first*, so that when we call setSize() and let it
 	   // access the monitor settings, it won't end up with our fullscreen
 	   // geometry that is just about to change.
 
@@ -1166,4 +1187,4 @@ const UTF16 *Win32Window::getWindowClassName()
 const UTF16 *Win32Window::getCurtainWindowClassName()
 {
 	return _CurtainWindowClassName;
-}
+}