mirror of
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852 lines
24 KiB
C#
852 lines
24 KiB
C#
#region --- License ---
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/* Copyright (c) 2006-2008 the OpenTK team.
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* See license.txt for license info
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*
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* Contributions by Andy Gill.
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*/
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#endregion
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#region --- Using Directives ---
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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.Runtime.InteropServices;
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using System.Reflection;
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using System.Diagnostics;
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using System.Reflection.Emit;
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#endregion
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namespace OpenTK.Graphics.OpenGL
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{
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/// <summary>
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/// OpenGL bindings for .NET, implementing the full OpenGL API, including extensions.
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/// </summary>
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/// <remarks>
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/// <para>
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/// This class contains all OpenGL enums and functions defined in the latest OpenGL specification.
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/// The official .spec files can be found at: http://opengl.org/registry/.
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/// </para>
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/// <para> A valid OpenGL context must be created before calling any OpenGL function.</para>
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/// <para>
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/// Use the GL.Load and GL.LoadAll methods to prepare function entry points prior to use. To maintain
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/// cross-platform compatibility, this must be done for both core and extension functions. The GameWindow
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/// and the GLControl class will take care of this automatically.
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/// </para>
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/// <para>
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/// You can use the GL.SupportsExtension method to check whether any given category of extension functions
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/// exists in the current OpenGL context. Keep in mind that different OpenGL contexts may support different
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/// extensions, and under different entry points. Always check if all required extensions are still supported
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/// when changing visuals or pixel formats.
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/// </para>
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/// <para>
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/// You may retrieve the entry point for an OpenGL function using the GL.GetDelegate method.
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/// </para>
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/// </remarks>
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/// <see href="http://opengl.org/registry/"/>
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public sealed partial class GL : GraphicsBindingsBase
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{
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#region --- Fields ---
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internal const string Library = "opengl32.dll";
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static SortedList<string, bool> AvailableExtensions = new SortedList<string, bool>();
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static readonly object sync_root = new object();
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#endregion
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#region --- Constructor ---
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static GL()
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{
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}
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#endregion
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#region --- Public Members ---
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/// <summary>
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/// Loads all OpenGL entry points (core and extension).
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/// This method is provided for compatibility purposes with older OpenTK versions.
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/// </summary>
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[Obsolete("If you are using a context constructed outside of OpenTK, create a new GraphicsContext and pass your context handle to it. Otherwise, there is no need to call this method.")]
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public static void LoadAll()
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{
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new GL().LoadEntryPoints();
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}
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#endregion
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#region --- Protected Members ---
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/// <summary>
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/// Returns a synchronization token unique for the GL class.
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/// </summary>
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protected override object SyncRoot
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{
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get { return sync_root; }
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}
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#endregion
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#region --- GL Overloads ---
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#pragma warning disable 3019
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#pragma warning disable 1591
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#pragma warning disable 1572
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#pragma warning disable 1573
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// Note: Mono 1.9.1 truncates StringBuilder results (for 'out string' parameters).
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// We work around this issue by doubling the StringBuilder capacity.
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#region public static void Color[34]() overloads
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public static void Color3(System.Drawing.Color color)
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{
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GL.Color3(color.R, color.G, color.B);
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}
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public static void Color4(System.Drawing.Color color)
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{
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GL.Color4(color.R, color.G, color.B, color.A);
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}
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public static void Color3(Vector3 color)
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{
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GL.Color3(color.X, color.Y, color.Z);
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}
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public static void Color4(Vector4 color)
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{
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GL.Color4(color.X, color.Y, color.Z, color.W);
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}
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#endregion
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#region public static void ClearColor() overloads
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public static void ClearColor(System.Drawing.Color color)
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{
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GL.ClearColor(color.R / 255.0f, color.G / 255.0f, color.B / 255.0f, color.A / 255.0f);
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}
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public static void ClearColor(Color4 color)
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{
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GL.ClearColor(color.R, color.G, color.B, color.A);
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}
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#endregion
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#region public static void BlendColor() overloads
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public static void BlendColor(System.Drawing.Color color)
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{
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GL.BlendColor(color.R / 255.0f, color.G / 255.0f, color.B / 255.0f, color.A / 255.0f);
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}
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#endregion
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#region public static void Material() overloads
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public static void Material(MaterialFace face, MaterialParameter pname, Vector4 @params)
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{
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unsafe { Material(face, pname, (float*)&@params.X); }
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}
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public static void Material(MaterialFace face, MaterialParameter pname, Color4 @params)
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{
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unsafe { GL.Material(face, pname, (float*)&@params); }
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}
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#endregion
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#region public static void Light() overloads
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public static void Light(LightName name, LightParameter pname, Vector4 @params)
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{
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unsafe { GL.Light(name, pname, (float*)&@params.X); }
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}
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public static void Light(LightName name, LightParameter pname, Color4 @params)
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{
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unsafe { GL.Light(name, pname, (float*)&@params); }
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}
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#endregion
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#region --- Overloads for OpenTK.Math ---
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public static void Normal3(Vector3 normal)
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{
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GL.Normal3(normal.X, normal.Y, normal.Z);
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}
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public static void RasterPos2(Vector2 pos)
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{
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GL.RasterPos2(pos.X, pos.Y);
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}
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public static void RasterPos3(Vector3 pos)
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{
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GL.RasterPos3(pos.X, pos.Y, pos.Z);
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}
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public static void RasterPos4(Vector4 pos)
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{
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GL.RasterPos4(pos.X, pos.Y, pos.Z, pos.W);
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}
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public static void Vertex2(Vector2 v)
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{
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GL.Vertex2(v.X, v.Y);
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}
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public static void Vertex3(Vector3 v)
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{
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GL.Vertex3(v.X, v.Y, v.Z);
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}
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public static void Vertex4(Vector4 v)
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{
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GL.Vertex4(v.X, v.Y, v.Z, v.W);
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}
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public static void TexCoord2(Vector2 v)
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{
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GL.TexCoord2(v.X, v.Y);
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}
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public static void TexCoord3(Vector3 v)
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{
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GL.TexCoord3(v.X, v.Y, v.Z);
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}
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public static void TexCoord4(Vector4 v)
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{
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GL.TexCoord4(v.X, v.Y, v.Z, v.W);
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}
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public static void Rotate(Single angle, Vector3 axis)
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{
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GL.Rotate((Single)angle, axis.X, axis.Y, axis.Z);
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}
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public static void Scale(Vector3 scale)
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{
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GL.Scale(scale.X, scale.Y, scale.Z);
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}
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public static void Translate(Vector3 trans)
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{
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GL.Translate(trans.X, trans.Y, trans.Z);
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}
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public static void MultMatrix(ref Matrix4 mat)
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{
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unsafe
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{
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fixed (Single* m_ptr = &mat.Row0.X)
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{
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GL.MultMatrix((Single*)m_ptr);
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}
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}
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}
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public static void LoadMatrix(ref Matrix4 mat)
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{
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unsafe
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{
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fixed (Single* m_ptr = &mat.Row0.X)
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{
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GL.LoadMatrix((Single*)m_ptr);
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}
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}
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}
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public static void LoadTransposeMatrix(ref Matrix4 mat)
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{
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unsafe
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{
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fixed (Single* m_ptr = &mat.Row0.X)
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{
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GL.LoadTransposeMatrix((Single*)m_ptr);
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}
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}
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}
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public static void MultTransposeMatrix(ref Matrix4 mat)
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{
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unsafe
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{
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fixed (Single* m_ptr = &mat.Row0.X)
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{
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GL.MultTransposeMatrix((Single*)m_ptr);
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}
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}
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}
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public static void MultMatrix(ref Matrix4d mat)
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{
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unsafe
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{
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fixed (Double* m_ptr = &mat.Row0.X)
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{
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GL.MultMatrix((Double*)m_ptr);
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}
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}
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}
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public static void LoadMatrix(ref Matrix4d mat)
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{
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unsafe
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{
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fixed (Double* m_ptr = &mat.Row0.X)
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{
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GL.LoadMatrix((Double*)m_ptr);
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}
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}
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}
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public static void LoadTransposeMatrix(ref Matrix4d mat)
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{
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unsafe
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{
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fixed (Double* m_ptr = &mat.Row0.X)
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{
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GL.LoadTransposeMatrix((Double*)m_ptr);
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}
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}
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}
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public static void MultTransposeMatrix(ref Matrix4d mat)
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{
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unsafe
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{
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fixed (Double* m_ptr = &mat.Row0.X)
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{
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GL.MultTransposeMatrix((Double*)m_ptr);
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}
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}
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}
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public static void UniformMatrix4(int location, bool transpose, ref Matrix4 matrix)
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{
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unsafe
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{
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fixed (float* matrix_ptr = &matrix.Row0.X)
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{
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GL.UniformMatrix4(location, 1, transpose, matrix_ptr);
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}
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}
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}
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#region Uniform
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[CLSCompliant(false)]
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public static void Uniform2(int location, ref Vector2 vector)
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{
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GL.Uniform2(location, vector.X, vector.Y);
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}
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[CLSCompliant(false)]
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public static void Uniform3(int location, ref Vector3 vector)
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{
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GL.Uniform3(location, vector.X, vector.Y, vector.Z);
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}
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[CLSCompliant(false)]
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public static void Uniform4(int location, ref Vector4 vector)
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{
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GL.Uniform4(location, vector.X, vector.Y, vector.Z, vector.W);
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}
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public static void Uniform2(int location, Vector2 vector)
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{
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GL.Uniform2(location, vector.X, vector.Y);
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}
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public static void Uniform3(int location, Vector3 vector)
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{
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GL.Uniform3(location, vector.X, vector.Y, vector.Z);
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}
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public static void Uniform4(int location, Vector4 vector)
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{
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GL.Uniform4(location, vector.X, vector.Y, vector.Z, vector.W);
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}
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public static void Uniform4(int location, Color4 color)
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{
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GL.Uniform4(location, color.R, color.G, color.B, color.A);
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}
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public static void Uniform4(int location, Quaternion quaternion)
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{
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GL.Uniform4(location, quaternion.X, quaternion.Y, quaternion.Z, quaternion.W);
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}
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#endregion
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#endregion
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#region Shaders
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#region GetActiveAttrib
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public static string GetActiveAttrib(int program, int index, out int size, out ActiveAttribType type)
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{
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int length;
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GetProgram(program, OpenTK.Graphics.OpenGL.ProgramParameter.ActiveAttributeMaxLength, out length);
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StringBuilder sb = new StringBuilder(length == 0 ? 1 : length * 2);
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GetActiveAttrib(program, index, sb.Capacity, out length, out size, out type, sb);
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return sb.ToString();
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}
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#endregion
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#region GetActiveUniform
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public static string GetActiveUniform(int program, int uniformIndex, out int size, out ActiveUniformType type)
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{
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int length;
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GetProgram(program, OpenTK.Graphics.OpenGL.ProgramParameter.ActiveUniformMaxLength, out length);
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StringBuilder sb = new StringBuilder(length == 0 ? 1 : length);
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GetActiveUniform(program, uniformIndex, sb.Capacity, out length, out size, out type, sb);
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return sb.ToString();
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}
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#endregion
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#region GetActiveUniformName
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public static string GetActiveUniformName(int program, int uniformIndex)
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{
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int length;
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GetProgram(program, OpenTK.Graphics.OpenGL.ProgramParameter.ActiveUniformMaxLength, out length);
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StringBuilder sb = new StringBuilder(length == 0 ? 1 : length * 2);
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GetActiveUniformName(program, uniformIndex, sb.Capacity, out length, sb);
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return sb.ToString();
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}
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#endregion
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#region GetActiveUniformBlockName
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public static string GetActiveUniformBlockName(int program, int uniformIndex)
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{
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int length;
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GetProgram(program, OpenTK.Graphics.OpenGL.ProgramParameter.ActiveUniformBlockMaxNameLength, out length);
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StringBuilder sb = new StringBuilder(length == 0 ? 1 : length * 2);
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GetActiveUniformBlockName(program, uniformIndex, sb.Capacity, out length, sb);
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return sb.ToString();
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}
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#endregion
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#region public static void ShaderSource(Int32 shader, System.String @string)
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public static void ShaderSource(Int32 shader, System.String @string)
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{
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unsafe
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{
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int length = @string.Length;
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GL.ShaderSource((UInt32)shader, 1, new string[] { @string }, &length);
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}
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}
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#endregion
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#region public static string GetShaderInfoLog(Int32 shader)
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public static string GetShaderInfoLog(Int32 shader)
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{
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string info;
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GetShaderInfoLog(shader, out info);
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return info;
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}
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#endregion
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#region public static void GetShaderInfoLog(Int32 shader, out string info)
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public static void GetShaderInfoLog(Int32 shader, out string info)
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{
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unsafe
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{
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int length;
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GL.GetShader(shader, ShaderParameter.InfoLogLength, out length);
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if (length == 0)
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{
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info = String.Empty;
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return;
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}
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StringBuilder sb = new StringBuilder(length * 2);
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GL.GetShaderInfoLog((UInt32)shader, sb.Capacity, &length, sb);
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info = sb.ToString();
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}
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}
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#endregion
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#region public static string GetProgramInfoLog(Int32 program)
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public static string GetProgramInfoLog(Int32 program)
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{
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string info;
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GetProgramInfoLog(program, out info);
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return info;
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}
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#endregion
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#region public static void GetProgramInfoLog(Int32 program, out string info)
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public static void GetProgramInfoLog(Int32 program, out string info)
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{
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unsafe
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{
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int length;
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GL.GetProgram(program, OpenTK.Graphics.OpenGL.ProgramParameter.InfoLogLength, out length); if (length == 0)
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{
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info = String.Empty;
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return;
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}
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StringBuilder sb = new StringBuilder(length * 2);
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GL.GetProgramInfoLog((UInt32)program, sb.Capacity, &length, sb);
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info = sb.ToString();
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}
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}
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#endregion
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#endregion
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#region public static void PointParameter(PointSpriteCoordOriginParameter param)
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/// <summary>
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/// Helper function that defines the coordinate origin of the Point Sprite.
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/// </summary>
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/// <param name="param">
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/// A OpenTK.Graphics.OpenGL.GL.PointSpriteCoordOriginParameter token,
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/// denoting the origin of the Point Sprite.
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/// </param>
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public static void PointParameter(PointSpriteCoordOriginParameter param)
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{
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GL.PointParameter(PointParameterName.PointSpriteCoordOrigin, (int)param);
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}
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#endregion
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#region public static void VertexAttrib2(Int32 index, ref Vector2 v)
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[CLSCompliant(false)]
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public static void VertexAttrib2(Int32 index, ref Vector2 v)
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{
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GL.VertexAttrib2(index, v.X, v.Y);
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}
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#endregion
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#region public static void VertexAttrib3(Int32 index, ref Vector3 v)
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[CLSCompliant(false)]
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public static void VertexAttrib3(Int32 index, ref Vector3 v)
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{
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GL.VertexAttrib3(index, v.X, v.Y, v.Z);
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}
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#endregion
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#region public static void VertexAttrib4(Int32 index, ref Vector4 v)
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[CLSCompliant(false)]
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public static void VertexAttrib4(Int32 index, ref Vector4 v)
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{
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GL.VertexAttrib4(index, v.X, v.Y, v.Z, v.W);
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}
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#endregion
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#region public static void VertexAttrib2(Int32 index, Vector2 v)
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public static void VertexAttrib2(Int32 index, Vector2 v)
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{
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GL.VertexAttrib2(index, v.X, v.Y);
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}
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#endregion
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#region public static void VertexAttrib3(Int32 index, Vector3 v)
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public static void VertexAttrib3(Int32 index, Vector3 v)
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{
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GL.VertexAttrib3(index, v.X, v.Y, v.Z);
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}
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#endregion
|
|
|
|
#region public static void VertexAttrib4(Int32 index, Vector4 v)
|
|
|
|
public static void VertexAttrib4(Int32 index, Vector4 v)
|
|
{
|
|
GL.VertexAttrib4(index, v.X, v.Y, v.Z, v.W);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region public static void MultiTexCoord2(TextureUnit target, ref Vector2 v)
|
|
|
|
public static void MultiTexCoord2(TextureUnit target, ref Vector2 v)
|
|
{
|
|
GL.MultiTexCoord2(target, v.X, v.Y);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region public static void MultiTexCoord3(TextureUnit target, ref Vector3 v)
|
|
|
|
public static void MultiTexCoord3(TextureUnit target, ref Vector3 v)
|
|
{
|
|
GL.MultiTexCoord3(target, v.X, v.Y, v.Z);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region public static void MultiTexCoord4(TextureUnit target, ref Vector4 v)
|
|
|
|
public static void MultiTexCoord4(TextureUnit target, ref Vector4 v)
|
|
{
|
|
GL.MultiTexCoord4(target, v.X, v.Y, v.Z, v.W);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region public static void Rect(System.Drawing.RectangleF rect)
|
|
|
|
public static void Rect(System.Drawing.RectangleF rect)
|
|
{
|
|
GL.Rect(rect.Left, rect.Top, rect.Right, rect.Bottom);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region public static void Rect(ref System.Drawing.RectangleF rect)
|
|
|
|
[CLSCompliant(false)]
|
|
public static void Rect(ref System.Drawing.RectangleF rect)
|
|
{
|
|
GL.Rect(rect.Left, rect.Top, rect.Right, rect.Bottom);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region public static void Rect(System.Drawing.Rectangle rect)
|
|
|
|
public static void Rect(System.Drawing.Rectangle rect)
|
|
{
|
|
GL.Rect(rect.Left, rect.Top, rect.Right, rect.Bottom);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region public static void Rect(ref System.Drawing.Rectangle rect)
|
|
|
|
[CLSCompliant(false)]
|
|
public static void Rect(ref System.Drawing.Rectangle rect)
|
|
{
|
|
GL.Rect(rect.Left, rect.Top, rect.Right, rect.Bottom);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region public static int GenTexture()
|
|
|
|
public static int GenTexture()
|
|
{
|
|
int id;
|
|
GenTextures(1, out id);
|
|
return id;
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region public static void DeleteTexture(int id)
|
|
|
|
public static void DeleteTexture(int id)
|
|
{
|
|
DeleteTextures(1, ref id);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region [Vertex|Normal|Index|Color|FogCoord|VertexAttrib]Pointer
|
|
|
|
public static void VertexPointer(int size, VertexPointerType type, int stride, int pointer)
|
|
{
|
|
VertexPointer(size, type, stride, (IntPtr)pointer);
|
|
}
|
|
|
|
public static void NormalPointer(int size, NormalPointerType type, int stride, int pointer)
|
|
{
|
|
NormalPointer(type, stride, (IntPtr)pointer);
|
|
}
|
|
|
|
public static void IndexPointer(IndexPointerType type, int stride, int pointer)
|
|
{
|
|
IndexPointer(type, stride, (IntPtr)pointer);
|
|
}
|
|
|
|
public static void ColorPointer(int size, ColorPointerType type, int stride, int pointer)
|
|
{
|
|
ColorPointer(size, type, stride, (IntPtr)pointer);
|
|
}
|
|
|
|
public static void FogCoordPointer(int size, FogPointerType type, int stride, int pointer)
|
|
{
|
|
FogCoordPointer(type, stride, (IntPtr)pointer);
|
|
}
|
|
|
|
public static void EdgeFlagPointer(int stride, int pointer)
|
|
{
|
|
EdgeFlagPointer(stride, (IntPtr)pointer);
|
|
}
|
|
|
|
public static void VertexAttribPointer(int index, int size, VertexAttribPointerType type, bool normalized, int stride, int pointer)
|
|
{
|
|
VertexAttribPointer(index, size, type, normalized, stride, (IntPtr)pointer);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Get[Float|Double]
|
|
|
|
public static void GetFloat(GetPName pname, out Vector2 vector)
|
|
{
|
|
unsafe
|
|
{
|
|
fixed (Vector2* ptr = &vector)
|
|
GetFloat(pname, (float*)ptr);
|
|
}
|
|
}
|
|
|
|
public static void GetFloat(GetPName pname, out Vector3 vector)
|
|
{
|
|
unsafe
|
|
{
|
|
fixed (Vector3* ptr = &vector)
|
|
GetFloat(pname, (float*)ptr);
|
|
}
|
|
}
|
|
|
|
public static void GetFloat(GetPName pname, out Vector4 vector)
|
|
{
|
|
unsafe
|
|
{
|
|
fixed (Vector4* ptr = &vector)
|
|
GetFloat(pname, (float*)ptr);
|
|
}
|
|
}
|
|
|
|
public static void GetFloat(GetPName pname, out Matrix4 matrix)
|
|
{
|
|
unsafe
|
|
{
|
|
fixed (Matrix4* ptr = &matrix)
|
|
GetFloat(pname, (float*)ptr);
|
|
}
|
|
}
|
|
|
|
public static void GetDouble(GetPName pname, out Vector2d vector)
|
|
{
|
|
unsafe
|
|
{
|
|
fixed (Vector2d* ptr = &vector)
|
|
GetDouble(pname, (double*)ptr);
|
|
}
|
|
}
|
|
|
|
public static void GetDouble(GetPName pname, out Vector3d vector)
|
|
{
|
|
unsafe
|
|
{
|
|
fixed (Vector3d* ptr = &vector)
|
|
GetDouble(pname, (double*)ptr);
|
|
}
|
|
}
|
|
|
|
public static void GetDouble(GetPName pname, out Vector4d vector)
|
|
{
|
|
unsafe
|
|
{
|
|
fixed (Vector4d* ptr = &vector)
|
|
GetDouble(pname, (double*)ptr);
|
|
}
|
|
}
|
|
|
|
public static void GetDouble(GetPName pname, out Matrix4d matrix)
|
|
{
|
|
unsafe
|
|
{
|
|
fixed (Matrix4d* ptr = &matrix)
|
|
GetDouble(pname, (double*)ptr);
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Viewport
|
|
|
|
public static void Viewport(System.Drawing.Size size)
|
|
{
|
|
GL.Viewport(0, 0, size.Width, size.Height);
|
|
}
|
|
|
|
public static void Viewport(System.Drawing.Point location, System.Drawing.Size size)
|
|
{
|
|
GL.Viewport(location.X, location.Y, size.Width, size.Height);
|
|
}
|
|
|
|
public static void Viewport(System.Drawing.Rectangle rectangle)
|
|
{
|
|
GL.Viewport(rectangle.X, rectangle.Y, rectangle.Width, rectangle.Height);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region TexEnv
|
|
|
|
public static void TexEnv(TextureEnvTarget target, TextureEnvParameter pname, System.Drawing.Color color)
|
|
{
|
|
Color4 c = new Color4(color);
|
|
unsafe
|
|
{
|
|
TexEnv(target, pname, &c.R);
|
|
}
|
|
}
|
|
|
|
public static void TexEnv(TextureEnvTarget target, TextureEnvParameter pname, Color4 color)
|
|
{
|
|
unsafe
|
|
{
|
|
TexEnv(target, pname, &color.R);
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#pragma warning restore 3019
|
|
#pragma warning restore 1591
|
|
#pragma warning restore 1572
|
|
#pragma warning restore 1573
|
|
|
|
#endregion
|
|
}
|
|
}
|