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https://github.com/Ryujinx/Opentk.git
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Derive AlphaTexture2D from Texture2D.
This commit is contained in:
the_fiddler
parent
30f75d4389
commit
71addb4923
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@ -36,15 +36,10 @@ namespace OpenTK.Graphics
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/// <summary>
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/// Encapsulates an OpenGL texture.
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/// </summary>
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class AlphaTexture2D : IGraphicsResource
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class AlphaTexture2D : Texture2D
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{
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#region Fields
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GraphicsContext context;
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int id;
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int width, height;
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bool disposed;
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#endregion
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#region Constructors
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@ -53,174 +48,20 @@ namespace OpenTK.Graphics
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/// Constructs a new Texture.
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/// </summary>
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public AlphaTexture2D(int width, int height)
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{
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Width = width;
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Height = height;
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}
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#endregion
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#region IGraphicsResource Members
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GraphicsContext IGraphicsResource.Context { get { return context; } }
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int IGraphicsResource.Id
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{
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get
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{
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if (id == 0)
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{
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GraphicsContext.Assert();
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context = GraphicsContext.CurrentContext;
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id = GL.GenTexture();
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if (id == 0)
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throw new GraphicsResourceException(String.Format("Texture creation failed, (Error: {0})", GL.GetError()));
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// Ensure the texture is allocated.
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GL.BindTexture(TextureTarget.Texture2D, id);
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GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)All.Linear);
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GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)All.Linear);
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if (GL.SupportsExtension("Version12"))
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{
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GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)All.ClampToEdge);
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GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)All.ClampToEdge);
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}
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else
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{
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GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)All.Clamp);
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GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)All.Clamp);
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}
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GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Alpha, Width, Height, 0,
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OpenTK.Graphics.PixelFormat.Rgba, PixelType.UnsignedByte, IntPtr.Zero);
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}
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return id;
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}
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}
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: base(width, height)
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{ }
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#endregion
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#region Public Members
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#region public int Width
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/// <summary>Gets the width of the texture.</summary>
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public int Width { get { return width; } private set { width = value; } }
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#endregion
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#region public int Height
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#region Protected Members
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/// <summary>Gets the height of the texture.</summary>
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public int Height { get { return height; } private set { height = value; } }
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#endregion
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#region WriteRegion
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public void WriteRegion(Rectangle source, Rectangle target, int mipLevel, Bitmap bitmap)
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protected override PixelInternalFormat InternalFormat
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{
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if (bitmap == null)
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throw new ArgumentNullException("data");
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GraphicsUnit unit = GraphicsUnit.Pixel;
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if (!bitmap.GetBounds(ref unit).Contains(source))
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throw new InvalidOperationException("The source Rectangle is larger than the Bitmap.");
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if (mipLevel < 0)
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throw new ArgumentOutOfRangeException("mipLevel");
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Bind();
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BitmapData data = bitmap.LockBits(source, ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
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GL.PushClientAttrib(ClientAttribMask.ClientPixelStoreBit);
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try
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{
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GL.PixelStore(PixelStoreParameter.UnpackAlignment, 1);
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GL.PixelStore(PixelStoreParameter.UnpackRowLength, bitmap.Width);
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GL.TexSubImage2D(TextureTarget.Texture2D, mipLevel,
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target.Left, target.Top,
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target.Width, target.Height,
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OpenTK.Graphics.PixelFormat.Rgba,
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PixelType.UnsignedByte, data.Scan0);
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}
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finally
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{
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GL.PopClientAttrib();
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}
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bitmap.UnlockBits(data);
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}
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public void WriteRegion(TextureRegion2D region, int mipLevel)
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{
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if (mipLevel < 0)
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throw new ArgumentOutOfRangeException("miplevel");
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GL.TexSubImage2D(TextureTarget.Texture2D, mipLevel,
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region.Rectangle.X, region.Rectangle.Y,
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region.Rectangle.Width, region.Rectangle.Height,
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PixelFormat.Bgra, PixelType.UnsignedByte, region);
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}
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#endregion
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#region ReadRegion
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public TextureRegion2D ReadRegion(Rectangle rect, int mipLevel)
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{
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if (mipLevel < 0)
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throw new ArgumentOutOfRangeException("miplevel");
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TextureRegion2D<int> region = new TextureRegion2D<int>(rect);
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GL.GetTexImage(TextureTarget.Texture2D, mipLevel, PixelFormat.Bgra, PixelType.UnsignedByte, region.Data);
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return region;
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}
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#endregion
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#region Bind
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public void Bind()
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{
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GL.BindTexture(TextureTarget.Texture2D, (this as IGraphicsResource).Id);
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}
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#endregion
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#endregion
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#region IDisposable Members
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public void Dispose()
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{
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Dispose(true);
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GC.SuppressFinalize(this);
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}
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void Dispose(bool manual)
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{
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if (!disposed)
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{
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if (manual)
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{
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GL.DeleteTexture(id);
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}
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disposed = true;
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}
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}
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~AlphaTexture2D()
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{
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GraphicsContext context = (this as IGraphicsResource).Context;
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if (context != null)
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(context as IGraphicsContextInternal).RegisterForDisposal(this);
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get { return PixelInternalFormat.Alpha; }
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}
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#endregion
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259
Source/Utilities/Graphics/Texture2D.cs
Normal file
259
Source/Utilities/Graphics/Texture2D.cs
Normal file
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@ -0,0 +1,259 @@
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#region License
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//
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// The Open Toolkit Library License
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//
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// Copyright (c) 2006 - 2008 the Open Toolkit library, except where noted.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do
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// so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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//
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Drawing;
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using System.Drawing.Imaging;
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namespace OpenTK.Graphics
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{
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abstract class Texture2D : IGraphicsResource
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{
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#region Fields
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GraphicsContext context;
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int id;
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int width, height;
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bool disposed;
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TextureMagFilter mag_filter = TextureMagFilter.Linear;
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TextureMinFilter min_filter = TextureMinFilter.Linear;
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#endregion
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#region Constructors
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public Texture2D(int width, int height)
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{
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if (width <= 0)
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throw new ArgumentOutOfRangeException("width");
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if (height <= 0)
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throw new ArgumentOutOfRangeException("height");
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Width = width;
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Height = height;
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}
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#endregion
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#region Public Members
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#region public int Width
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/// <summary>Gets the width of the texture.</summary>
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public int Width { get { return width; } private set { width = value; } }
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#endregion
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#region public int Height
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/// <summary>Gets the height of the texture.</summary>
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public int Height { get { return height; } private set { height = value; } }
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#endregion
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#region MagnificationFilter
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public TextureMagFilter MagnificationFilter
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{
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get { return mag_filter; }
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set { mag_filter = value; }
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}
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#endregion
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#region MinificationFilter
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public TextureMinFilter MinificationFilter
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{
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get { return min_filter; }
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set { min_filter = value; }
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}
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#endregion
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#region Bind
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public void Bind()
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{
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GL.BindTexture(TextureTarget.Texture2D, (this as IGraphicsResource).Id);
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}
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#endregion
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#region WriteRegion
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public void WriteRegion(Rectangle source, Rectangle target, int mipLevel, Bitmap bitmap)
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{
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if (bitmap == null)
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throw new ArgumentNullException("data");
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GraphicsUnit unit = GraphicsUnit.Pixel;
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if (!bitmap.GetBounds(ref unit).Contains(source))
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throw new InvalidOperationException("The source Rectangle is larger than the Bitmap.");
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if (mipLevel < 0)
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throw new ArgumentOutOfRangeException("mipLevel");
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Bind();
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BitmapData data = null;
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GL.PushClientAttrib(ClientAttribMask.ClientPixelStoreBit);
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try
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{
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data = bitmap.LockBits(source, ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
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GL.PixelStore(PixelStoreParameter.UnpackAlignment, 1);
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GL.PixelStore(PixelStoreParameter.UnpackRowLength, bitmap.Width);
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GL.TexSubImage2D(TextureTarget.Texture2D, mipLevel,
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target.Left, target.Top,
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target.Width, target.Height,
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OpenTK.Graphics.PixelFormat.Rgba,
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PixelType.UnsignedByte, data.Scan0);
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}
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finally
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{
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GL.PopClientAttrib();
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if (data != null)
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bitmap.UnlockBits(data);
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}
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}
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#endregion
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#region ReadRegion
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public TextureRegion2D ReadRegion(Rectangle rect, int mipLevel)
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{
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if (mipLevel < 0)
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throw new ArgumentOutOfRangeException("miplevel");
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TextureRegion2D<int> region = new TextureRegion2D<int>(rect);
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GL.GetTexImage(TextureTarget.Texture2D, mipLevel, PixelFormat.Bgra, PixelType.UnsignedByte, region.Data);
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return region;
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}
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#endregion
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#endregion
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#region Protected Members
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#region InternalFormat
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protected abstract PixelInternalFormat InternalFormat { get; }
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#endregion
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#endregion
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#region IGraphicsResource Members
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#region IGraphicsResource.Context
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GraphicsContext IGraphicsResource.Context { get { return context; } }
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#endregion
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#region IGraphicsResource.Id
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int IGraphicsResource.Id
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{
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get
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{
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if (id == 0)
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{
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GraphicsContext.Assert();
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context = GraphicsContext.CurrentContext;
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id = GL.GenTexture();
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if (id == 0)
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throw new GraphicsResourceException(String.Format("Texture creation failed, (Error: {0})", GL.GetError()));
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// Ensure the texture is allocated.
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GL.BindTexture(TextureTarget.Texture2D, id);
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GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)All.Linear);
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GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)All.Linear);
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if (GL.SupportsExtension("Version12"))
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{
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GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)All.ClampToEdge);
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GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)All.ClampToEdge);
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}
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else
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{
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GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)All.Clamp);
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GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)All.Clamp);
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}
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GL.TexImage2D(TextureTarget.Texture2D, 0, InternalFormat, Width, Height, 0,
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OpenTK.Graphics.PixelFormat.Rgba, PixelType.UnsignedByte, IntPtr.Zero);
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}
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return id;
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}
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}
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#endregion
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#endregion
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#region IDisposable Members
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public void Dispose()
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{
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Dispose(true);
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GC.SuppressFinalize(this);
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}
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void Dispose(bool manual)
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{
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if (!disposed)
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{
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if (manual)
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{
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GL.DeleteTexture(id);
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}
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disposed = true;
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}
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}
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~Texture2D()
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{
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GraphicsContext context = (this as IGraphicsResource).Context;
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if (context != null)
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(context as IGraphicsContextInternal).RegisterForDisposal(this);
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}
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#endregion
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}
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}
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