/// <summary>
/// Gets a shared data for this device context with a delegate to create the shared data if it is not present.
/// </summary>
/// <typeparam name="T">Type of the shared data to get/create.</typeparam>
/// <param name="type">Type of the data to share.</param>
/// <param name="key">The key of the shared data.</param>
/// <param name="sharedDataCreator">The shared data creator.</param>
/// <returns>
/// An instance of the shared data. The shared data will be disposed by this <see cref="GraphicsDevice" /> instance.
/// </returns>
public T GetOrCreateSharedData <T>(object key, CreateSharedData <T> sharedDataCreator) where T : class, IDisposable
{
lock (sharedDataPerDevice)
{
IDisposable localValue;
if (!sharedDataPerDevice.TryGetValue(key, out localValue))
{
localValue = sharedDataCreator(this);
if (localValue == null)
{
return(null);
}
sharedDataToDispose.Add(localValue);
sharedDataPerDevice.Add(key, localValue);
}
return((T)localValue);
}
}
/// <summary>
/// Gets a shared data for this device context with a delegate to create the shared data if it is not present.
/// </summary>
/// <typeparam name="T">Type of the shared data to get/create.</typeparam>
/// <param name="type">Type of the data to share.</param>
/// <param name="key">The key of the shared data.</param>
/// <param name="sharedDataCreator">The shared data creator.</param>
/// <returns>
/// An instance of the shared data. The shared data will be disposed by this <see cref="GraphicsDevice" /> instance.
/// </returns>
public T GetOrCreateSharedData <T>(GraphicsDeviceSharedDataType type, object key, CreateSharedData <T> sharedDataCreator) where T : class, IDisposable
{
Dictionary <object, IDisposable> dictionary = (type == GraphicsDeviceSharedDataType.PerDevice) ? sharedDataPerDevice : sharedDataPerDeviceContext;
lock (dictionary)
{
IDisposable localValue;
if (!dictionary.TryGetValue(key, out localValue))
{
localValue = sharedDataCreator(this);
if (localValue == null)
{
return(null);
}
sharedDataToDispose.Add(localValue);
dictionary.Add(key, localValue);
}
return((T)localValue);
}
}
