Standalone opengl bindings

[Diggory]

I wrote this mainly for my own benefit, but I figured it might be 
useful to someone else. It's a small program which generates 
opengl bindings for D directly from the specification.

https://github.com/Diggsey/OpenGL-D-Bindings

It generates a single file "gl.d" which by default will do no 
more or less than what you'd get by including "gl/gl.h". This 
will give you access to GL 1.1 functions.

You can then call "loadGL" passing in the opengl version and the 
names of any extensions you want to use and it will automatically 
load in the relevant functions. It does this at compile time so 
at runtime it just loads precisely those functions which you 
asked for.

It provides only the platform independent part of opengl - it 
expects wgl***/glX*** functions to be provided by the platform 
sdk. Unfortunately the built in windows bindings for D are fairly 
useless, but I've forked druntime and phobos to use the windows 
bindings from the dsource bindings project instead, which are far 
better:

https://github.com/Diggsey/druntime
https://github.com/Diggsey/phobos/tree/win32-bindings