139 lines
4.9 KiB
C#
139 lines
4.9 KiB
C#
#region --- License ---
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/* Licensed under the MIT/X11 license.
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* Copyright (c) 2006-2008 the OpenTK Team.
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* This notice may not be removed from any source distribution.
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* See license.txt for licensing detailed licensing details.
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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.Diagnostics;
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using System.IO;
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[assembly: CLSCompliant(true)]
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[assembly: System.Runtime.CompilerServices.InternalsVisibleTo("OpenTK.Utilities")]
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namespace OpenTK
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{
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/// <internal />
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/// <summary>Contains configuration options for OpenTK.</summary>
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internal static class Configuration
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{
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static bool runningOnWindows, runningOnX11, runningOnOSX, runningOnLinux;
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#region --- Constructors ---
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static Configuration()
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{
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if (System.Environment.OSVersion.Platform == PlatformID.Win32NT ||
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System.Environment.OSVersion.Platform == PlatformID.Win32S ||
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System.Environment.OSVersion.Platform == PlatformID.Win32Windows ||
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System.Environment.OSVersion.Platform == PlatformID.WinCE)
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runningOnWindows = true;
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else if (System.Environment.OSVersion.Platform == PlatformID.Unix ||
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System.Environment.OSVersion.Platform == (PlatformID)4)
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{
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// Distinguish between Unix and Mac OS X kernels.
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switch (DetectUnixKernel())
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{
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case "Unix":
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runningOnX11 = true;
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break;
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case "Linux":
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runningOnLinux = runningOnX11 = true;
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break;
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case "Darwin":
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runningOnOSX = true;
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break;
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default:
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throw new PlatformNotSupportedException(
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DetectUnixKernel() + ": Unknown Unix platform. Please report this error at http://www.opentk.com.");
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}
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}
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else
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throw new PlatformNotSupportedException("Unknown platform. Please report this error at http://www.opentk.com.");
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}
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#endregion
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#region --- Public Methods ---
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#region internal static bool RunningOnWindows
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/// <summary>Gets a System.Boolean indicating whether OpenTK is running on a Windows platform.</summary>
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internal static bool RunningOnWindows { get { return runningOnWindows; } }
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#endregion
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#region internal static bool RunningOnX11
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/// <summary>Gets a System.Boolean indicating whether OpenTK is running on an X11 platform.</summary>
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internal static bool RunningOnX11 { get { return runningOnX11; } }
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#endregion
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#region internal static bool RunningOnLinux
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/// <summary>Gets a System.Boolean indicating whether OpenTK is running on an X11 platform.</summary>
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internal static bool RunningOnLinux { get { return runningOnLinux; } }
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#endregion
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#region internal static bool RunningOnOSX
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/// <summary>Gets a System.Boolean indicating whether OpenTK is running on an OSX platform.</summary>
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internal static bool RunningOnOSX { get { return runningOnOSX; } }
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#endregion
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#region --- Private Methods ---
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#region private static string DetectUnixKernel()
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/// <summary>
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/// Executes "uname" which returns a string representing the name of the
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/// underlying Unix kernel.
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/// </summary>
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/// <returns>"Unix", "Linux", "Darwin" or null.</returns>
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/// <remarks>Source code from "Mono: A Developer's Notebook"</remarks>
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private static string DetectUnixKernel()
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{
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ProcessStartInfo startInfo = new ProcessStartInfo();
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startInfo.Arguments = "-s";
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startInfo.RedirectStandardOutput = true;
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startInfo.RedirectStandardError = true;
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startInfo.UseShellExecute = false;
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foreach (string unameprog in new string[] { "/usr/bin/uname", "/bin/uname", "uname" })
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{
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try
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{
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startInfo.FileName = unameprog;
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Process uname = Process.Start(startInfo);
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StreamReader stdout = uname.StandardOutput;
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return stdout.ReadLine().Trim();
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}
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catch (System.IO.FileNotFoundException)
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{
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// The requested executable doesn't exist, try next one.
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continue;
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}
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catch (System.ComponentModel.Win32Exception)
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{
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continue;
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}
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}
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return null;
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}
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#endregion
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#endregion
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#endregion
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}
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}
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