UnityXNA/Assets/Scripts/XNAEmulator/Graphics/States/DepthStencilState.cs

using System;
using System.Diagnostics;

namespace Microsoft.Xna.Framework.Graphics
{
	public class DepthStencilState : GraphicsResource
    {
        // TODO: We should be asserting if the state has
        // been changed after it has been bound to the device!

        public bool DepthBufferEnable { get; set; }
        public bool DepthBufferWriteEnable { get; set; }
        public StencilOperation CounterClockwiseStencilDepthBufferFail { get; set; }
        public StencilOperation CounterClockwiseStencilFail { get; set; }
        public CompareFunction CounterClockwiseStencilFunction { get; set; }
        public StencilOperation CounterClockwiseStencilPass { get; set; }
        public CompareFunction DepthBufferFunction { get; set; }
        public int ReferenceStencil { get; set; }
        public StencilOperation StencilDepthBufferFail { get; set; }
        public bool StencilEnable { get; set; }
        public StencilOperation StencilFail { get; set; }
        public CompareFunction StencilFunction { get; set; }
        public int StencilMask { get; set; }
        public StencilOperation StencilPass { get; set; }
        public int StencilWriteMask { get; set; }
        public bool TwoSidedStencilMode { get; set; }

		public DepthStencilState ()
		{
            DepthBufferEnable = true;
            DepthBufferWriteEnable = true;
			DepthBufferFunction = CompareFunction.LessEqual;
			StencilEnable = false;
			StencilFunction = CompareFunction.Always;
			StencilPass = StencilOperation.Keep;
			StencilFail = StencilOperation.Keep;
			StencilDepthBufferFail = StencilOperation.Keep;
			TwoSidedStencilMode = false;
			CounterClockwiseStencilFunction = CompareFunction.Always;
			CounterClockwiseStencilFail = StencilOperation.Keep;
			CounterClockwiseStencilPass = StencilOperation.Keep;
			CounterClockwiseStencilDepthBufferFail = StencilOperation.Keep;
			StencilMask = Int32.MaxValue;
			StencilWriteMask = Int32.MaxValue;
			ReferenceStencil = 0;
		}
		
		public static readonly DepthStencilState Default;
		public static readonly DepthStencilState DepthRead;
		public static readonly DepthStencilState None;
		
		static DepthStencilState ()
		{
			Default = new DepthStencilState () 
            {
				DepthBufferEnable = true,
				DepthBufferWriteEnable = true
			};
			
			DepthRead = new DepthStencilState () 
            {
				DepthBufferEnable = true,
				DepthBufferWriteEnable = false
			};
			
			None = new DepthStencilState () 
            {
				DepthBufferEnable = false,
				DepthBufferWriteEnable = false
			};
		}
	}
}