Comment 21 for bug 1275042

Allow me to add my experiences.

Whether the colors are garbled on PPC depends on the GL color format used (among probably a gazillion other parameters :-). Packed (16-bit) formats have been broken on big-endian for some time, they worked fine in mesa 10.1, in mesa 10.3 R5G5B5A1 works, R4G4B4A4 works with alpha glitches, somewhere in the 10.3 release cycle the format stuff got completely rewritten breaking pretty much all packed formats on big-endian (PPC).

Unpacked (32 bits) formats seem to be working fine.

That's on a RV280 32 bit system. No idea whether that is also valid for NV34 on 64-bit PPC, i.e. whether the problem is in core mesa or the radeon stuff.