Attachment 61 Details for Bug 172 – Proposed implementation of the enhancement

Proposed implementation of the enhancement

OpenGL.java (text/plain), 3.33 KB, created by Sven Gothel on 2005-08-02 10:28:00 CEST

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Creator: Sven Gothel

Created: 2005-08-02 10:28:00 CEST

Size: 3.33 KB

patch

obsolete

>/*
> * OpenGL.java
> *
> * Created on August 2, 2005, 2:05 AM
> */
>
>package org.slage.ui;
>import java.io.*;
>import java.net.*;
>import org.slage.Tools;
>
>/**
> * Wrapper for basic OpenGL loading stuff just to clean it up out of SLAGE.java
> * @author  Jaeden
> */
>public abstract class OpenGL 
>{
>    
>    /** Creates a new instance of OpenGL */
>    private OpenGL() {}
>    
>       
>    /** If 'true', we want to load Cg support.
>     *  This would normally be on all the time, but JOGL's linking to it is a bit behind the times. 
>     *  JOGL needs to update every time Cg does, or the .DLL won't properly load. As we're not planning 
>     *  on using Cg in SLAGE at this time, we'll leave it disabled by default. */
>    private static boolean bLoadCg = false;
>    
>  
>    /** Static initialization  - load libraries */
>      /** Ensure we load GL on startup. This is a replacement for the command-line switches
>     *  -Djava.library.path=. and -cp .;jogl.jar. 
>     *
>     * 
>     */
>    public static void loadOpenGL()
>    {         
>        // workaround to allow our loader to do its job
>        // see http://192.18.37.44/forums/index.php?topic=10262.0;topicseen
>        net.java.games.jogl.impl.NativeLibLoader.disableLoading();
>        
>        // Manually load AWT to work around the problem with error boxes coming up claiming it's not found. 
>        // Apparently AWT has to be loaded -before- jogl's .dll files or all Hell breaks loose.
>        java.awt.Toolkit.getDefaultToolkit();
>        System.loadLibrary("jawt");        
>        
>        //  load in the JOGL.jar file 
>        try
>        {
>            URL urlJOGL = (new File(Tools.GetRelativePath(null) + Tools.GetFileSeparator() + "jogl.jar")).toURL();
>            URL[] urls = { urlJOGL };            
>            URLClassLoader classLoader = new URLClassLoader(urls);
>        }
>        catch (MalformedURLException exc) 
>        { 
>            // TODO: Log 
>            System.err.println("MalformedURLException while loading jogl.jar"); 
>        }                                
>          
>        // Now, load the .dll/.so files for the OpenGL C bindings 
>        String strOS = Tools.GetOS();        
>        String strJOGL = Tools.GetRelativePath("lib") + Tools.GetFileSeparator();                        
>        
>        if (strOS.startsWith("Windows"))
>        {                        
>            System.load(strJOGL + "jogl.dll");            
>            
>            if (bLoadCg)
>                System.load(strJOGL + "jogl_cg.dll");                
>        }        
>        if (strOS.startsWith("Mac OS"))
>        {
>              System.load(strJOGL + "libjogl.jnlib");
>              if (bLoadCg)
>                System.load(strJOGL + "libjogl_cg.jnlib");        
>        }                
>        if (strOS.startsWith("Linux"))
>        {
>                System.load(strJOGL + "libjogl.so");
>                if (bLoadCg)
>                    System.load(strJOGL + "libjogl_cg.so");
>        }
>        if (strOS.startsWith("Solaris"))
>        {
>               String strArch = System.getProperty("os.arch");
>               if (strArch.equalsIgnoreCase("sparc"))
>               {
>                   System.load(strJOGL + "libjogl_solsparc.so");
>               }
>               if (strArch.equalsIgnoreCase("x86"))
>               {
>                   System.load(strJOGL + "libjogl_solx86.so");
>               }
>        }
>    }
>    
>}

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Attachments on bug 172: 61