Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1452 | chris | 1 | #region --- License --- |
| 2 | /* Licensed under the MIT/X11 license. |
||
| 3 | * Copyright (c) 2006-2008 the OpenTK Team. |
||
| 4 | * This notice may not be removed from any source distribution. |
||
| 5 | * See license.txt for licensing detailed licensing details. |
||
| 6 | */ |
||
| 7 | #endregion |
||
| 8 | |||
| 9 | using System; |
||
| 10 | using System.Collections.Generic; |
||
| 11 | using System.Text; |
||
| 12 | using System.Threading; |
||
| 13 | |||
| 14 | using OpenTK.Graphics; |
||
| 15 | |||
| 16 | namespace OpenTK.Platform.Dummy |
||
| 17 | { |
||
| 18 | /// \internal |
||
| 19 | /// <summary> |
||
| 20 | /// An empty IGraphicsContext implementation to be used inside the Visual Studio designer. |
||
| 21 | /// This class supports OpenTK, and is not intended for use by OpenTK programs. |
||
| 22 | /// </summary> |
||
| 23 | internal sealed class DummyGLContext : DesktopGraphicsContext |
||
| 24 | { |
||
| 25 | // This mode is not real. To receive a real mode we'd have to create a temporary context, which is not desirable! |
||
| 26 | bool vsync; |
||
| 27 | static int handle_count; |
||
| 28 | Thread current_thread; |
||
| 29 | |||
| 30 | #region --- Constructors --- |
||
| 31 | |||
| 32 | public DummyGLContext() |
||
| 33 | : this(new ContextHandle(new IntPtr(++handle_count))) |
||
| 34 | { |
||
| 35 | Mode = new GraphicsMode(new IntPtr(2), 32, 16, 0, 0, 0, 2, false); |
||
| 36 | } |
||
| 37 | |||
| 38 | public DummyGLContext(ContextHandle handle) |
||
| 39 | { |
||
| 40 | Handle = handle; |
||
| 41 | } |
||
| 42 | |||
| 43 | #endregion |
||
| 44 | |||
| 45 | #region --- IGraphicsContext Members --- |
||
| 46 | |||
| 47 | public void CreateContext(bool direct, IGraphicsContext source) |
||
| 48 | { |
||
| 49 | if (Handle == ContextHandle.Zero) |
||
| 50 | { |
||
| 51 | ++handle_count; |
||
| 52 | Handle = new ContextHandle((IntPtr)handle_count); |
||
| 53 | } |
||
| 54 | } |
||
| 55 | |||
| 56 | public override void SwapBuffers() { } |
||
| 57 | |||
| 58 | public override void MakeCurrent(IWindowInfo info) |
||
| 59 | { |
||
| 60 | Thread new_thread = Thread.CurrentThread; |
||
| 61 | // A context may be current only on one thread at a time. |
||
| 62 | if (current_thread != null && new_thread != current_thread) |
||
| 63 | { |
||
| 64 | throw new GraphicsContextException( |
||
| 65 | "Cannot make context current on two threads at the same time"); |
||
| 66 | } |
||
| 67 | |||
| 68 | if (info != null) |
||
| 69 | { |
||
| 70 | current_thread = Thread.CurrentThread; |
||
| 71 | } |
||
| 72 | else |
||
| 73 | { |
||
| 74 | current_thread = null; |
||
| 75 | } |
||
| 76 | } |
||
| 77 | |||
| 78 | public override bool IsCurrent |
||
| 79 | { |
||
| 80 | get { return current_thread != null && current_thread == Thread.CurrentThread; } |
||
| 81 | } |
||
| 82 | |||
| 83 | public override IntPtr GetAddress(string function) { return IntPtr.Zero; } |
||
| 84 | |||
| 85 | public override bool VSync { get { return vsync; } set { vsync = value; } } |
||
| 86 | |||
| 87 | public override void Update(IWindowInfo window) |
||
| 88 | { } |
||
| 89 | |||
| 90 | public override void LoadAll() |
||
| 91 | { } |
||
| 92 | |||
| 93 | #endregion |
||
| 94 | |||
| 95 | #region --- IDisposable Members --- |
||
| 96 | |||
| 97 | public override void Dispose() { IsDisposed = true; } |
||
| 98 | |||
| 99 | #endregion |
||
| 100 | } |
||
| 101 | } |