TremZ/Unvanquished — comment on commit c6c4bf43307dc209a29a12206e110812ea5a5572
File: src/engine/sys/sdl_glimp.c line 728
By dsalt:

Not really a good test.

Current Mesa 8.x will, with various Radeon HD, report that it supports OpenGL 3.0 if it's been compiled with floating-point texture support (--enable-texture-float, which is disabled by default for patent-related reasons). Otherwise, it will report OpenGL 2.1, though it still supports most of OpenGL 3.0.