Re: OpenGL in Ada

[anon@anon.org]

In <d6318f95-59cd-4f12-8aaa-2746c14dbd18@a15g2000yqm.googlegroups.com>, Yves Bailly <yves.bailly@gmail.com> writes:
>Greetings to everyone in this group,
>
>This is my very first posting, so please apologize if I do something
>really wrong (as well as for my english, it's not my native language).
>
>I have created a small program which generates a pair of files, namely
>"gl.ads" and "gl.adb", to use OpenGL from Ada. The files are generated
>by reading the official OpenGL specifications files (namely
>"enum.spec", "gl.spec" and "gl.tm") which can be found from the
>official OpenGL page http://www.opengl.org/registry/ (no GLU nor GLUT
>though).
>
>The OpenGL subprograms are named according to the usual C naming
>scheme ("glBegin", "glVertex3d" and so on), so the result looks more
>like C than like Ada, but at least it allows to read tutorials more
>easily (as most of them are based on C). So the generated binding is
>rather low-level (I think "thin binding" is the appropriate wording).
>
>The subprograms are not imported using "pragma Import", but rather
>declared as access to subprograms (procedures or functions). The
>access are then resolved in a lenghty "Init_GL" procedure, which
>relies on the "glGetProcAddress" function imported from SDL. So the
>generated binding requires SDL to work.
>
>I'm far from being an Ada expert. I would really appreciate if someone
>interested in using OpenGL with Ada would accept to spend some time:
>- to point me to the horrible things I probably wrote in this program;
>- to tell if the generated binding is of good or bad quality.
>
>Thanks for your time and best regards,
>
>-- Yves Bailly
>yves.bailly@gmail.com


The complete Ada openGL source bindings can be found at:

    adaopengl.sourceforge.net

All you needs is to download and install openGL engine set up for your OS.

I do have a few samples that work with Linux\Windows.