anx.framework/RenderSystems/ANX.Framework.Windows.GL3/Helpers/GraphicsResourceManager.cs

using System;
using System.Collections.Generic;

#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.Windows.GL3.Helpers
{
	internal static class GraphicsResourceManager
	{
		#region Private
		private static List<Texture2DGL3> allTextures;

		private static List<EffectGL3> allEffects;

		private static List<VertexBufferGL3> allVertexBuffers;

		private static List<IndexBufferGL3> allIndexBuffers;
		#endregion
		
		#region Constructor
		static GraphicsResourceManager()
		{
			allTextures = new List<Texture2DGL3>();
			allEffects = new List<EffectGL3>();
			allVertexBuffers = new List<VertexBufferGL3>();
			allIndexBuffers = new List<IndexBufferGL3>();
		}
		#endregion

		#region UpdateResource
		public static void UpdateResource<T>(T resource, bool register)
		{
			IList<T> list = null;

			if (typeof(T) == typeof(Texture2DGL3))
			{
				list = (IList<T>)allTextures;
			}
			else if (typeof(T) == typeof(EffectGL3))
			{
				list = (IList<T>)allEffects;
			}
			else if (typeof(T) == typeof(VertexBufferGL3))
			{
				list = (IList<T>)allVertexBuffers;
			}
			else if (typeof(T) == typeof(IndexBufferGL3))
			{
				list = (IList<T>)allIndexBuffers;
			}

			lock (list)
			{
				if (register)
				{
					list.Add(resource);
				}
				else
				{
					list.Remove(resource);
				}
			}
		}
		#endregion

		#region DisposeAllResources
		public static void DisposeAllResources()
		{
			#region Textures
			lock (allTextures)
			{
				foreach (Texture2DGL3 texture in allTextures)
				{
					if (texture.IsDisposed == false)
					{
						texture.DisposeResource();
					}
				}
			}
			#endregion

			#region Effects
			lock (allEffects)
			{
				foreach (EffectGL3 effect in allEffects)
				{
					if (effect.IsDisposed == false)
					{
						effect.DisposeResource();
					}
				}
			}
			#endregion

			#region VertexBuffers
			lock (allVertexBuffers)
			{
				foreach (VertexBufferGL3 buffer in allVertexBuffers)
				{
					if (buffer.IsDisposed == false)
					{
						buffer.DisposeResource();
					}
				}
			}
			#endregion

			#region IndexBuffers
			lock (allIndexBuffers)
			{
				foreach (IndexBufferGL3 buffer in allIndexBuffers)
				{
					if (buffer.IsDisposed == false)
					{
						buffer.DisposeResource();
					}
				}
			}
			#endregion
		}
		#endregion

		#region RecreateAllResources
		public static void RecreateAllResources()
		{
			#region Textures
			lock (allTextures)
			{
				foreach (Texture2DGL3 texture in allTextures)
				{
					if (texture.IsDisposed == false)
					{
						texture.RecreateData();
					}
				}
			}
			#endregion

			#region Effects
			lock (allEffects)
			{
				foreach (EffectGL3 effect in allEffects)
				{
					if (effect.IsDisposed == false)
					{
						effect.RecreateData();
					}
				}
			}
			#endregion

			#region VertexBuffers
			lock (allVertexBuffers)
			{
				foreach (VertexBufferGL3 buffer in allVertexBuffers)
				{
					if (buffer.IsDisposed == false)
					{
						buffer.RecreateData();
					}
				}
			}
			#endregion

			#region IndexBuffers
			lock (allIndexBuffers)
			{
				foreach (IndexBufferGL3 buffer in allIndexBuffers)
				{
					if (buffer.IsDisposed == false)
					{
						buffer.RecreateData();
					}
				}
			}
			#endregion

			if (BlendStateGL3.Current != null)
			{
				BlendStateGL3.Current.Apply(null);
			}
			if (RasterizerStateGL3.Current != null)
			{
				RasterizerStateGL3.Current.Apply(null);
			}
			if (DepthStencilStateGL3.Current != null)
			{
				DepthStencilStateGL3.Current.Apply(null);
			}
		}
		#endregion
	}
}