https://bugs.freedesktop.org/show_bug.cgi?id=38089
--- Comment #1 from Ian Romanick idr@freedesktop.org 2011-06-09 10:18:17 PDT --- That enum is GL_FRAGMENT_SHADER_ATI. If that driver doesn't support GL_ATI_fragment_shader, and I believe that only the r200 driver does, this is an application bug.
I'll leave it to the radeon developers to close this.