Some relevant information: * https://bugs.freedesktop.org/show_bug.cgi?id=59187 * http://www.phoronix.com/scan.php?page=news_item&px=MTMxMDQ
It seems that some GLSL 1.30 functionality exists for Ironlake GPUs, but something is still missing so only GLSL 1.2 is advertised. Fortunately, there is enough so that you can use stellarium just fine. I think it should be reassigned to one of mesa packages. Tomasz
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