anx.framework/ANX.Framework/Graphics/RenderTarget2D.cs

#region Using Statements
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using ANX.Framework.NonXNA;
using ANX.Framework.Graphics;
using ANX.Framework.NonXNA.RenderSystem;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;

#endregion // Using Statements

#region License

//
// This file is part of the ANX.Framework created by the "ANX.Framework developer group".
//
// This file is released under the Ms-PL license.
//
//
//
// Microsoft Public License (Ms-PL)
//
// This license governs use of the accompanying software. If you use the software, you accept this license. 
// If you do not accept the license, do not use the software.
//
// 1.Definitions
//   The terms "reproduce," "reproduction," "derivative works," and "distribution" have the same meaning 
//   here as under U.S. copyright law.
//   A "contribution" is the original software, or any additions or changes to the software.
//   A "contributor" is any person that distributes its contribution under this license.
//   "Licensed patents" are a contributor's patent claims that read directly on its contribution.
//
// 2.Grant of Rights
//   (A) Copyright Grant- Subject to the terms of this license, including the license conditions and limitations 
//       in section 3, each contributor grants you a non-exclusive, worldwide, royalty-free copyright license to 
//       reproduce its contribution, prepare derivative works of its contribution, and distribute its contribution
//       or any derivative works that you create.
//   (B) Patent Grant- Subject to the terms of this license, including the license conditions and limitations in 
//       section 3, each contributor grants you a non-exclusive, worldwide, royalty-free license under its licensed
//       patents to make, have made, use, sell, offer for sale, import, and/or otherwise dispose of its contribution 
//       in the software or derivative works of the contribution in the software.
//
// 3.Conditions and Limitations
//   (A) No Trademark License- This license does not grant you rights to use any contributors' name, logo, or trademarks.
//   (B) If you bring a patent claim against any contributor over patents that you claim are infringed by the software, your 
//       patent license from such contributor to the software ends automatically.
//   (C) If you distribute any portion of the software, you must retain all copyright, patent, trademark, and attribution 
//       notices that are present in the software.
//   (D) If you distribute any portion of the software in source code form, you may do so only under this license by including
//       a complete copy of this license with your distribution. If you distribute any portion of the software in compiled or 
//       object code form, you may only do so under a license that complies with this license.
//   (E) The software is licensed "as-is." You bear the risk of using it. The contributors give no express warranties, guarantees,
//       or conditions. You may have additional consumer rights under your local laws which this license cannot change. To the
//       extent permitted under your local laws, the contributors exclude the implied warranties of merchantability, fitness for a 
//       particular purpose and non-infringement.

#endregion // License

namespace ANX.Framework.Graphics
{
    public class RenderTarget2D : Texture2D, IDynamicGraphicsResource
    {
        public event EventHandler<EventArgs> ContentLost;

        #region Private Members
        private DepthFormat depthStencilFormat;
        private int multiSampleCount;
        private RenderTargetUsage usage;
        private bool isContentLost;
        private INativeRenderTarget2D nativeRenderTarget;

        #endregion // Private Members

        #region Constructors
        public RenderTarget2D(GraphicsDevice graphicsDevice, int width, int height)
            : base(graphicsDevice)
        {
            this.width = width;
            this.height = height;

            base.levelCount = 1;
            base.format = SurfaceFormat.Color;

            this.depthStencilFormat = DepthFormat.None;
            this.multiSampleCount = 0;
            this.usage = RenderTargetUsage.DiscardContents;

            this.nativeRenderTarget = AddInSystemFactory.Instance.GetDefaultCreator<IRenderSystemCreator>().CreateRenderTarget(graphicsDevice, width, height, false, SurfaceFormat.Color, this.depthStencilFormat, this.multiSampleCount, this.usage);
            base.nativeTexture = this.nativeRenderTarget as INativeTexture2D;
        }

				public RenderTarget2D(GraphicsDevice graphicsDevice, int width, int height, [MarshalAsAttribute(UnmanagedType.U1)] bool mipMap, SurfaceFormat preferredFormat, DepthFormat preferredDepthFormat)
            : base(graphicsDevice)
        {
            this.depthStencilFormat = DepthFormat.None;
            this.multiSampleCount = 0;
            this.usage = RenderTargetUsage.DiscardContents;

            this.nativeRenderTarget = AddInSystemFactory.Instance.GetDefaultCreator<IRenderSystemCreator>().CreateRenderTarget(graphicsDevice, width, height, false, SurfaceFormat.Color, this.depthStencilFormat, this.multiSampleCount, this.usage);
            base.nativeTexture = this.nativeRenderTarget as INativeTexture2D;
        }

				public RenderTarget2D(GraphicsDevice graphicsDevice, int width, int height, [MarshalAsAttribute(UnmanagedType.U1)]  bool mipMap, SurfaceFormat preferredFormat, DepthFormat preferredDepthFormat, int preferredMultiSampleCount, RenderTargetUsage usage)
            : base(graphicsDevice)
        {
            this.depthStencilFormat = preferredDepthFormat;
            this.multiSampleCount = preferredMultiSampleCount;
            this.usage = usage;

            this.nativeRenderTarget = AddInSystemFactory.Instance.GetDefaultCreator<IRenderSystemCreator>().CreateRenderTarget(graphicsDevice, width, height, false, SurfaceFormat.Color, this.depthStencilFormat, this.multiSampleCount, this.usage);
            base.nativeTexture = this.nativeRenderTarget as INativeTexture2D;
        }

        #endregion // Constructors

        protected virtual void Dispose([MarshalAs(UnmanagedType.U1)] bool disposeManaged)
        {
            throw new NotImplementedException();
        }

        internal INativeRenderTarget2D NativeRenderTarget
        {
            get
            {
                return this.nativeRenderTarget;
            }
        }

        public DepthFormat DepthStencilFormat
        {
            get
            {
                return this.depthStencilFormat;
            }
        }

        public bool IsContentLost
        {
            get
            {
                return this.isContentLost;
            }
        }

        public int MultiSampleCount
        {
            get
            {
                return this.multiSampleCount;
            }
        }

        public RenderTargetUsage RenderTargetUsage
        {
            get
            {
                return this.usage;
            }
        }

        void IDynamicGraphicsResource.SetContentLost(bool isContentLost)
        {
            this.isContentLost = isContentLost;
            if (isContentLost)
            {
                raise_ContentLost(this, EventArgs.Empty);
            }

            throw new NotImplementedException();
        }

        protected void raise_ContentLost(object sender, EventArgs args)
        {
            if (ContentLost != null)
            {
                ContentLost(sender, args);
            }
        }
    }
}