You can download the corresponding source code of Savane at
https://git.savannah.nongnu.org/cgit/administration/savane.git/snapshot/savane-cf05868ce827c9612cb6083f86556077b7ab06b3.tar.gz http://savannah.nongnu.org/news/atom.php?group=wwopenglWwOpenGL - News2013-04-10T15:46:36+00:00https://savannah.nongnu.org/news/?id=7534Constructing API2013-04-10T15:46:07+00:00Christian Gimenez
Now the API is a bit more complete!
You can build it using the construct_api.sh script that comes with the source in the Mercurial repository.
I'm planning to make a better documentation in a near future...