public GraphicsDeviceControl()
{
// Don't initialize the graphics device if we are running in the designer.
if (!DesignMode)
{
graphicsDeviceService = GraphicsDeviceService.AddRef(Handle,
ClientSize.Width,
ClientSize.Height);
// Register the service, so components like ContentManager can find it.
services.AddService<IGraphicsDeviceService>(graphicsDeviceService);
// We used to just invalidate on idle, which ate up the CPU.
// Instead, I'm going to put it on a 30 fps timer
//Application.Idle += delegate { Invalidate(); };
mTimer = new Timer();
// If the user hasn't set DesiredFramesPerSecond
// this will just set it to 30 and it will set the
// interval. If the user has, then this will use the
// custom value set.
DesiredFramesPerSecond = mDesiredFramesPerSecond;
mTimer.Tick += delegate { Invalidate(); };
mTimer.Start();
// Give derived classes a chance to initialize themselves.
Initialize();
}
}
/// <summary>
/// Gets a reference to the singleton instance.
/// </summary>
public static GraphicsDeviceService AddRef(IntPtr windowHandle,
int width, int height)
{
// Increment the "how many controls sharing the device" reference count.
if (Interlocked.Increment(ref referenceCount) == 1)
{
// If this is the first control to start using the
// device, we must create the singleton instance.
singletonInstance = new GraphicsDeviceService(windowHandle,
width, height);
}
return singletonInstance;
}
/// <summary>
/// Gets a reference to the singleton instance.
/// </summary>
public static GraphicsDeviceService AddRef(IntPtr windowHandle,
int width, int height)
{
// Increment the "how many controls sharing the device" reference count.
if (Interlocked.Increment(ref referenceCount) == 1)
{
// If this is the first control to start using the
// device, we must create the singleton instance.
singletonInstance = new GraphicsDeviceService(windowHandle,
width, height);
}
return(singletonInstance);
}
/// <summary>
/// Disposes the control.
/// </summary>
protected override void Dispose(bool disposing)
{
if (graphicsDeviceService != null)
{
graphicsDeviceService.Release(disposing);
graphicsDeviceService = null;
}
base.Dispose(disposing);
}