https://bugs.freedesktop.org/show_bug.cgi?id=28966
--- Comment #7 from Sven Arvidsson sa@whiz.se 2010-08-26 06:43:14 PDT --- Since error messages was added to r300g it now reports:
r300 FP: Compiler Error: Fragment program does not support relative addressing of source operands. Using a dummy shader instead. r300 VP: Compiler error: Vertex program does not support relative addressing of destination operands (yet). Using a dummy shader instead.