Clutter's Cogl Relicensed To Be More Permissive
An effort led by Intel Linux developers has resulted in Cogl being made availablw now under the MIT license instead of the LGPL. Cogl is the GNOME/Clutter project that provides a low-level OpenGL abstraction library.
Cogl is a low-layer to the Clutter tool-kit to abstract out OpenGL rendering so that the common rendering API can transparently target OpenGL, OpenGL ES 1.1, and OpenGL ES 2.0. Robert Bragg at Intel as one of the Cogl maintainers had proposed last month that this OpenGL library be made available under the permissive MIT license rather than the LGPLv2.1+ license.
Cogl under the MIT is also useful for the related Rig project that is a UI technology for building/bundling complete applications on different operating systems. There's benefits here if Cogl is under a more permissive license than the LGPL.
Another reason used for pushing Cogl under the MIT license is also to facilitate better code sharing with projects like Wayland/Weston that are permissively licensed.
Bragg wrote in his re-licensing proposal, "Switching to the MIT license means we can no longer force Cogl changes to be kept open, but I think we gain simplicity and legal clarity for some awkward use cases that actually matter to us. Personally I think that these days a lot more people understand the real value you can get from collaborating on open source software that I'm less concerned about the possibility of developers taking and not giving back. I'm also inclined to think we're more likely to get valuable contributions anyway from developers that are genuinely interested in giving something back than from developers only reluctantly giving back because they are forced to. A bigger concern for me is that people simply avoid using my code at all because they're put off by a complex license."
The Cogl re-licensing happened today with this Git change.
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