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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1452 | chris | 1 | #region --- License --- |
| 2 | /* Copyright (c) 2006, 2007 Stefanos Apostolopoulos |
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| 3 | * See license.txt for license info |
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| 4 | */ |
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| 5 | #endregion |
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| 6 | |||
| 7 | using System; |
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| 8 | using System.Collections.Generic; |
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| 9 | using System.Text; |
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| 10 | using System.Reflection; |
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| 11 | using System.Runtime.InteropServices; |
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| 12 | using System.Diagnostics; |
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| 13 | |||
| 14 | using OpenTK.Graphics; |
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| 15 | |||
| 16 | namespace OpenTK.Platform.X11 |
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| 17 | { |
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| 18 | partial class Glx : BindingsBase |
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| 19 | { |
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| 20 | const string Library = "libGL.so.1"; |
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| 21 | static readonly object sync_root = new object(); |
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| 22 | |||
| 23 | // Disable BeforeFieldInit optimization. |
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| 24 | static Glx() { } |
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| 25 | |||
| 26 | protected override object SyncRoot |
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| 27 | { |
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| 28 | get { return sync_root; } |
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| 29 | } |
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| 30 | |||
| 31 | protected override IntPtr GetAddress (string funcname) |
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| 32 | { |
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| 33 | return Glx.GetProcAddress(funcname); |
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| 34 | } |
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| 35 | |||
| 36 | #if false |
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| 37 | #region static Delegate LoadDelegate(string name, Type signature) |
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| 38 | |||
| 39 | /// <summary> |
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| 40 | /// Creates a System.Delegate that can be used to call an OpenGL function, core or extension. |
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| 41 | /// </summary> |
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| 42 | /// <param name="name">The name of the Wgl function (eg. "wglNewList")</param> |
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| 43 | /// <param name="signature">The signature of the OpenGL function.</param> |
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| 44 | /// <returns> |
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| 45 | /// A System.Delegate that can be used to call this OpenGL function, or null if the specified |
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| 46 | /// function name did not correspond to an OpenGL function. |
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| 47 | /// </returns> |
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| 48 | static Delegate LoadDelegate(string name, Type signature) |
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| 49 | { |
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| 50 | Delegate d; |
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| 51 | string realName = name.ToLower().StartsWith("glx") ? name.Substring(3) : name; |
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| 52 | |||
| 53 | if (typeof(Glx).GetMethod(realName, |
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| 54 | BindingFlags.NonPublic | BindingFlags.Static) != null) |
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| 55 | d = GetExtensionDelegate(name, signature) ?? |
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| 56 | Delegate.CreateDelegate(signature, typeof(Glx), realName); |
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| 57 | else |
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| 58 | d = GetExtensionDelegate(name, signature); |
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| 59 | |||
| 60 | return d; |
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| 61 | } |
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| 62 | |||
| 63 | #endregion |
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| 64 | |||
| 65 | #region private static Delegate GetExtensionDelegate(string name, Type signature) |
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| 66 | |||
| 67 | /// <summary> |
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| 68 | /// Creates a System.Delegate that can be used to call a dynamically exported OpenGL function. |
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| 69 | /// </summary> |
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| 70 | /// <param name="name">The name of the OpenGL function (eg. "glNewList")</param> |
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| 71 | /// <param name="signature">The signature of the OpenGL function.</param> |
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| 72 | /// <returns> |
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| 73 | /// A System.Delegate that can be used to call this OpenGL function or null |
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| 74 | /// if the function is not available in the current OpenGL context. |
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| 75 | /// </returns> |
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| 76 | private static Delegate GetExtensionDelegate(string name, Type signature) |
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| 77 | { |
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| 78 | IntPtr address = Glx.GetProcAddress(name); |
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| 79 | |||
| 80 | if (address == IntPtr.Zero || |
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| 81 | address == new IntPtr(1) || // Workaround for buggy nvidia drivers which return |
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| 82 | address == new IntPtr(2)) // 1 or 2 instead of IntPtr.Zero for some extensions. |
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| 83 | return null; |
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| 84 | else |
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| 85 | return Marshal.GetDelegateForFunctionPointer(address, signature); |
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| 86 | } |
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| 87 | |||
| 88 | #endregion |
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| 89 | |||
| 90 | #region internal static void LoadAll |
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| 91 | |||
| 92 | public static void LoadAll() |
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| 93 | { |
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| 94 | OpenTK.Platform.Utilities.LoadExtensions(typeof(Glx)); |
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| 95 | } |
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| 96 | |||
| 97 | #endregion |
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| 98 | #endif |
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| 99 | } |
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| 100 | } |