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<html lang="en"> |
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<head> |
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<title>DerelictGLU</title> |
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<link rel="stylesheet" type="text/css" href="styles.css"> |
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</head> |
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<body> |
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<hr> |
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<hr> |
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<h2 align="center">DerelictGLU</h2> |
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<hr> |
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<hr> |
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<h3>Introduction</h3> |
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DerelictGLU is a D binding to the |
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<a href="http://rush3d.com/reference/opengl-bluebook-1.0/ch06.html">OpenGL Utility Library (GLU)</a>. |
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<h3>Using</h3> |
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<ol> |
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<li>Always make sure the DerelictGLU source modules are available on your import |
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path.</li> |
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<li>In modules that make use of DerelictGLU, you will need to import the derelict.opengl.glu |
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module.</li> |
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<li>Before calling any OpenGLU functions, you need to make a call to <tt>DerelictGLU.load()</tt>. |
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This will load the shared library.</li> |
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</ol> |
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<p> |
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The following is a complete program that loads DerelictGLU: |
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</p> |
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<pre> |
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import derelict.opengl.glu; |
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void main() |
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{ |
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DerelictGLU.load(); |
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// now you can call OpenGLU functions |
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} |
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</pre> |
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<p> |
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From this point on, you may call GLU functions as normal. |
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</p> |
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<div class="note">Some GLU functions are not imported by DerelictGLU as they are not |
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available on all GLU implementations. These are: |
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<p> |
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gluBuild2DMipmapLevels<br> |
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gluBuild3DMipmapLevels<br> |
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gluBuild3DMipmaps<br> |
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gluCheckExtension<br> |
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gluNurbsCallbackData<br> |
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gluNurbsCallbackDataEXT<br> |
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gluUnProject4 |
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</p> |
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</div> |
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<p> |
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DerelictGLU may attempt to import these in the future, but for now it is easier |
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to leave them out. Attempting to import them will either force the client to |
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make use of selective loading to check in case any of the functions are missing, |
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or would require internal use of selective loading which would open up |
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the chance of bugs on some systems if the client attempts to call one of the |
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missing functions. For now, if you wish to use any of these functions, you should |
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look in glu.d and uncomment both the type declarations of the functions you wish |
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to use (near the end of the file) and the lines in the private load() function |
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where they are loaded. |
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</p><p> |
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As with other Derelict packages, DerelictGLU will throw an exception if an error |
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occurs while loading the shared library. For more information on Derelict |
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exceptions, see the documentation for |
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<a href="loading.html">Loading/Unloading Shared Libraries</a>. |
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</p><p> |
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Finally, the method <tt>DerelictGLU.unload()</tt> is provided for convenience. In normal |
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practice you do not need to call this function, as Derelict will unload the library |
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automatically when the app exits. You generally should only use this function if |
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you need to unload DerelictAL while the application is running. |
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</p> |
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<h3>Dependencies</h3> |
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<a href="util.html">DerelictUtil</a> |
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<br /><a href="gl.html">DerelictGL</a> |
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</body> |
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</html> |
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