void game_FrameStart(object sender, CancelEventArgs e)
{
if (Device == null)
{
e.Cancel = true;
return;
}
// if (!game.IsActive || deviceLost) // #23568 2010.11.3 yyagi: separate conditions to support valiable sleep value when !IsActive.
if (deviceLost)
{
Thread.Sleep(50);
}
else if (!game.IsActive && !this.CurrentSettings.EnableVSync) // #23568 2010.11.4 yyagi: Don't add sleep() while VSync is enabled.
{
Thread.Sleep(this.game.InactiveSleepTime.Milliseconds);
}
if (deviceLost)
{
Result result = Device.TestCooperativeLevel();
if (result == SlimDX.Direct3D9.ResultCode.DeviceLost)
{
e.Cancel = true;
return;
}
// if we are windowed, check the adapter format to see if the user
// changed the desktop format, causing a lost device
if (IsWindowed)
{
DisplayMode displayMode = GraphicsDeviceManager.Direct3D9Object.GetAdapterDisplayMode(CurrentSettings.Direct3D9.AdapterOrdinal);
if (CurrentSettings.Direct3D9.AdapterFormat != displayMode.Format)
{
DeviceSettings newSettings = CurrentSettings.Clone();
ChangeDevice(newSettings);
e.Cancel = true;
return;
}
}
result = ResetDevice();
if (result.IsFailure)
{
e.Cancel = true;
return;
}
}
deviceLost = false;
}
public void ChangeDevice(DeviceSettings settings, DeviceSettings minimumSettings)
{
if (settings == null)
{
throw new ArgumentNullException("settings");
}
Enumeration9.MinimumSettings = minimumSettings;
DeviceSettings validSettings = DeviceSettings.FindValidSettings(settings);
validSettings.Direct3D9.PresentParameters.DeviceWindowHandle = game.Window.Handle;
CreateDevice(validSettings);
}
public void ToggleFullScreen()
{
if (!EnsureDevice())
{
throw new InvalidOperationException("No valid device.");
}
DeviceSettings newSettings = CurrentSettings.Clone();
newSettings.Windowed = !newSettings.Windowed;
int width = newSettings.Windowed ? windowedWindowWidth : fullscreenWindowWidth;
int height = newSettings.Windowed ? windowedWindowHeight : fullscreenWindowHeight;
newSettings.BackBufferWidth = width;
newSettings.BackBufferHeight = height;
ChangeDevice(newSettings);
}
void Window_UserResized(object sender, EventArgs e)
{
if (ignoreSizeChanges || !EnsureDevice() || (!IsWindowed))
{
return;
}
DeviceSettings newSettings = CurrentSettings.Clone();
Rectangle rect = NativeMethods.GetClientRectangle(game.Window.Handle);
if (rect.Width != newSettings.BackBufferWidth || rect.Height != newSettings.BackBufferHeight)
{
newSettings.BackBufferWidth = 0;
newSettings.BackBufferHeight = 0;
newSettings.Direct3D9.PresentParameters.BackBufferWidth = GameWindowSize.Width; // #23510 2010.10.31 add yyagi: to avoid setting BackBufferSize=ClientSize
newSettings.Direct3D9.PresentParameters.BackBufferHeight = GameWindowSize.Height; //
CreateDevice(newSettings);
}
}
/// <summary>
/// Finds valid device settings based upon the desired settings.
/// </summary>
/// <param name="settings">The desired settings.</param>
/// <returns>The best valid device settings matching the input settings.</returns>
public static DeviceSettings FindValidSettings(DeviceSettings settings)
{
try
{
GraphicsDeviceManager.EnsureD3D9();
}
catch (Exception e)
{
throw new NoCompatibleDevicesException("Could not initialize Direct3D9.", e);
}
if (!Enumeration9.HasEnumerated)
{
Enumeration9.Enumerate();
}
DeviceSettings newSettings = settings.Clone();
Direct3D9Settings d3d9 = FindValidD3D9Settings(settings);
newSettings.Direct3D9 = d3d9;
return(newSettings);
}
static Direct3D9Settings FindValidD3D9Settings(DeviceSettings settings)
{
Direct3D9Settings optimal = Direct3D9Settings.BuildOptimalSettings(settings);
SettingsCombo9 bestCombo = null;
float bestRanking = -1.0f;
foreach (AdapterInfo9 adapterInfo in Enumeration9.Adapters)
{
DisplayMode desktopMode = GraphicsDeviceManager.Direct3D9Object.GetAdapterDisplayMode(adapterInfo.AdapterOrdinal);
foreach (DeviceInfo9 deviceInfo in adapterInfo.Devices)
{
foreach (SettingsCombo9 combo in deviceInfo.DeviceSettings)
{
if (combo.Windowed && combo.AdapterFormat != desktopMode.Format)
{
continue;
}
float ranking = Direct3D9Settings.RankSettingsCombo(combo, optimal, desktopMode);
if (ranking > bestRanking)
{
bestCombo = combo;
bestRanking = ranking;
}
}
}
}
if (bestCombo == null)
{
throw new NoCompatibleDevicesException("No compatible Direct3D9 devices found.");
}
return(Direct3D9Settings.BuildValidSettings(bestCombo, optimal));
}
public static Direct3D9Settings BuildOptimalSettings(DeviceSettings settings)
{
DisplayMode desktopMode = GraphicsDeviceManager.Direct3D9Object.GetAdapterDisplayMode(0);
Direct3D9Settings optimal = new Direct3D9Settings();
var pp = optimal.PresentParameters;
optimal.AdapterOrdinal = settings.AdapterOrdinal;
optimal.DeviceType = settings.DeviceType;
pp.Windowed = settings.Windowed;
pp.BackBufferCount = settings.BackBufferCount;
pp.MultiSampleType = settings.MultisampleType;
pp.MultiSampleQuality = settings.MultisampleQuality;
pp.FullScreenRefreshRateInHz = settings.RefreshRate;
if (settings.Multithreaded)
{
optimal.CreationFlags |= CreateFlags.Multithreaded;
}
if (optimal.PresentParameters.Windowed || ConversionMethods.GetColorBits(desktopMode.Format) >= 8)
{
optimal.AdapterFormat = desktopMode.Format;
}
else
{
optimal.AdapterFormat = Format.X8R8G8B8;
}
if (settings.BackBufferWidth == 0 || settings.BackBufferHeight == 0)
{
if (optimal.PresentParameters.Windowed)
{
pp.BackBufferWidth = 640;
pp.BackBufferHeight = 480;
}
else
{
pp.BackBufferWidth = desktopMode.Width;
pp.BackBufferHeight = desktopMode.Height;
}
}
else
{
pp.BackBufferWidth = settings.BackBufferWidth;
pp.BackBufferHeight = settings.BackBufferHeight;
}
if (settings.BackBufferFormat == Format.Unknown)
{
pp.BackBufferFormat = optimal.AdapterFormat;
}
else
{
pp.BackBufferFormat = settings.BackBufferFormat;
}
if (settings.DepthStencilFormat == Format.Unknown)
{
if (ConversionMethods.GetColorBits(optimal.PresentParameters.BackBufferFormat) >= 8)
{
pp.AutoDepthStencilFormat = Format.D32;
}
else
{
pp.AutoDepthStencilFormat = Format.D16;
}
}
else
{
pp.AutoDepthStencilFormat = settings.DepthStencilFormat;
}
if (!settings.EnableVSync)
{
pp.PresentationInterval = PresentInterval.Immediate;
}
optimal.PresentParameters = pp;
return(optimal);
}
void CreateDevice(DeviceSettings settings)
{
DeviceSettings oldSettings = CurrentSettings;
CurrentSettings = settings;
ignoreSizeChanges = true;
bool keepCurrentWindowSize = false;
if (settings.BackBufferWidth == 0 && settings.BackBufferHeight == 0)
{
keepCurrentWindowSize = true;
}
// handle the window state in Direct3D9 (it will be handled for us in DXGI)
// check if we are going to windowed or fullscreen mode
if (settings.Windowed)
{
if (oldSettings != null && !oldSettings.Windowed)
{
NativeMethods.SetWindowLong(game.Window.Handle, WindowConstants.GWL_STYLE, (uint)windowedStyle);
}
}
else
{
if (oldSettings == null || oldSettings.Windowed)
{
savedTopmost = game.Window.TopMost;
long style = NativeMethods.GetWindowLong(game.Window.Handle, WindowConstants.GWL_STYLE);
style &= ~WindowConstants.WS_MAXIMIZE & ~WindowConstants.WS_MINIMIZE;
windowedStyle = style;
windowedPlacement = new WINDOWPLACEMENT();
windowedPlacement.length = WINDOWPLACEMENT.Length;
NativeMethods.GetWindowPlacement(game.Window.Handle, ref windowedPlacement);
}
// hide the window until we are done messing with it
game.Window.Hide();
NativeMethods.SetWindowLong(game.Window.Handle, WindowConstants.GWL_STYLE, (uint)(WindowConstants.WS_POPUP | WindowConstants.WS_SYSMENU));
WINDOWPLACEMENT placement = new WINDOWPLACEMENT();
placement.length = WINDOWPLACEMENT.Length;
NativeMethods.GetWindowPlacement(game.Window.Handle, ref placement);
// check if we are in the middle of a restore
if ((placement.flags & WindowConstants.WPF_RESTORETOMAXIMIZED) != 0)
{
// update the flags to avoid sizing issues
placement.flags &= ~WindowConstants.WPF_RESTORETOMAXIMIZED;
placement.showCmd = WindowConstants.SW_RESTORE;
NativeMethods.SetWindowPlacement(game.Window.Handle, ref placement);
}
}
if (settings.Windowed)
{
if (oldSettings != null && !oldSettings.Windowed)
{
fullscreenWindowWidth = oldSettings.BackBufferWidth;
fullscreenWindowHeight = oldSettings.BackBufferHeight;
}
}
else
{
if (oldSettings != null && oldSettings.Windowed)
{
windowedWindowWidth = oldSettings.BackBufferWidth;
windowedWindowHeight = oldSettings.BackBufferHeight;
}
}
// check if the device can be reset, or if we need to completely recreate it
Result result = SlimDX.Direct3D9.ResultCode.Success;
bool canReset = CanDeviceBeReset(oldSettings, settings);
if (canReset)
{
result = ResetDevice();
}
if (result == SlimDX.Direct3D9.ResultCode.DeviceLost)
{
deviceLost = true;
}
else if (!canReset || result.IsFailure)
{
if (oldSettings != null)
{
ReleaseDevice();
}
InitializeDevice();
}
UpdateDeviceInformation();
// check if we changed from fullscreen to windowed mode
if (oldSettings != null && !oldSettings.Windowed && settings.Windowed)
{
NativeMethods.SetWindowPlacement(game.Window.Handle, ref windowedPlacement);
game.Window.TopMost = savedTopmost;
}
// check if we need to resize
if (settings.Windowed && !keepCurrentWindowSize)
{
int width;
int height;
if (NativeMethods.IsIconic(game.Window.Handle))
{
WINDOWPLACEMENT placement = new WINDOWPLACEMENT();
placement.length = WINDOWPLACEMENT.Length;
NativeMethods.GetWindowPlacement(game.Window.Handle, ref placement);
// check if we are being restored
if ((placement.flags & WindowConstants.WPF_RESTORETOMAXIMIZED) != 0 && placement.showCmd == WindowConstants.SW_SHOWMINIMIZED)
{
NativeMethods.ShowWindow(game.Window.Handle, WindowConstants.SW_RESTORE);
Rectangle rect = NativeMethods.GetClientRectangle(game.Window.Handle);
width = rect.Width;
height = rect.Height;
NativeMethods.ShowWindow(game.Window.Handle, WindowConstants.SW_MINIMIZE);
}
else
{
NativeRectangle frame = new NativeRectangle();
NativeMethods.AdjustWindowRect(ref frame, (uint)windowedStyle, false);
int frameWidth = frame.right - frame.left;
int frameHeight = frame.bottom - frame.top;
width = placement.rcNormalPosition.right - placement.rcNormalPosition.left - frameWidth;
height = placement.rcNormalPosition.bottom - placement.rcNormalPosition.top - frameHeight;
}
}
else
{
Rectangle rect = NativeMethods.GetClientRectangle(game.Window.Handle);
width = rect.Width;
height = rect.Height;
}
// check if we have a different desired size
if (width != settings.BackBufferWidth ||
height != settings.BackBufferHeight)
{
if (NativeMethods.IsIconic(game.Window.Handle))
{
NativeMethods.ShowWindow(game.Window.Handle, WindowConstants.SW_RESTORE);
}
if (NativeMethods.IsZoomed(game.Window.Handle))
{
NativeMethods.ShowWindow(game.Window.Handle, WindowConstants.SW_RESTORE);
}
NativeRectangle rect = new NativeRectangle();
rect.right = settings.BackBufferWidth;
rect.bottom = settings.BackBufferHeight;
NativeMethods.AdjustWindowRect(ref rect,
NativeMethods.GetWindowLong(game.Window.Handle, WindowConstants.GWL_STYLE), false);
NativeMethods.SetWindowPos(game.Window.Handle, IntPtr.Zero, 0, 0, rect.right - rect.left,
rect.bottom - rect.top, WindowConstants.SWP_NOZORDER | WindowConstants.SWP_NOMOVE);
Rectangle r = NativeMethods.GetClientRectangle(game.Window.Handle);
int clientWidth = r.Width;
int clientHeight = r.Height;
// check if the size was modified by Windows
if (clientWidth != settings.BackBufferWidth ||
clientHeight != settings.BackBufferHeight)
{
DeviceSettings newSettings = CurrentSettings.Clone();
newSettings.BackBufferWidth = 0;
newSettings.BackBufferHeight = 0;
if (newSettings.Direct3D9 != null)
{
newSettings.Direct3D9.PresentParameters.BackBufferWidth = GameWindowSize.Width; // #23510 2010.10.31 add yyagi: to avoid setting BackBufferSize=ClientSize
newSettings.Direct3D9.PresentParameters.BackBufferHeight = GameWindowSize.Height; // #23510 2010.10.31 add yyagi: to avoid setting BackBufferSize=ClientSize
}
CreateDevice(newSettings);
}
}
}
// if the window is still hidden, make sure it is shown
if (!game.Window.Visible)
{
NativeMethods.ShowWindow(game.Window.Handle, WindowConstants.SW_SHOW);
}
// set the execution state of the thread
if (!IsWindowed)
{
NativeMethods.SetThreadExecutionState(WindowConstants.ES_DISPLAY_REQUIRED | WindowConstants.ES_CONTINUOUS);
}
else
{
NativeMethods.SetThreadExecutionState(WindowConstants.ES_CONTINUOUS);
}
ignoreSizeChanges = false;
}
public void ChangeDevice(DeviceSettings settings)
{
ChangeDevice(settings, null);
}