https://bugs.freedesktop.org/show_bug.cgi?id=55510
--- Comment #4 from maxijac@free.fr --- I had no x86 libtxc_dxtn, so I compiled it for x86 but no change, shaders still seem to fail at compiling.
I tried installing lib32-libtxc_dxtn from AUR (I use Arch) and still bad rendering. How can I test libtxc is installed properly for x86 ?
And I do have the --enable-texture-float configure option.