/ContentSystem/Rendering/Helpers/ShadowType.cs

namespace Delta.ContentSystem.Rendering.Helpers

{

	/// <summary>

	/// Shadow type enum for the different shadow techniques implemented.

	/// </summary>

	public enum ShadowType

	{

		/// <summary>

		/// Simple shadow. No filtering is done, should only be used for very

		/// sharp shadows or if applying a blur filter later. Obviously the fastest

		/// way to generate shadows.

		/// </summary>

		Simple,



		/// <summary>

		/// Projection shadow, use shadow2DProj to get 4 Pixels in one swoop. This

		/// is faster if the hardware (like NVidia GPUs) supports this directly.

		/// </summary>

		Projection,



		/// <summary>

		/// Percentage-Closer Soft shadow with 16 pixels in a 4x4 area.

		/// Note: The 4x4 area can be bigger than 4 by 4 pixels, 1.0-1.5 pixels

		/// is usually a good distance, more like 2.0-3.0 works too, but is very

		/// experimental and needs a lot of tweaking and testing.

		/// </summary>

		PCF4X4,



		/// <summary>

		/// Percentage-Closer Soft shadow with 4 pixels in a 2x2 area.

		/// Note: The 4x4 area can be bigger than 4 by 4 pixels, 1.0-2.0 pixels

		/// is usually a good distance, more like 3.0 works too, but is very

		/// experimental and needs a lot of tweaking and testing.

		/// </summary>

		PCF2X2,

	}

}