libtxc_dxtn from X11:XOrg project
Select Your Operating System
Add repository and install manually
For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/X11:XOrg/openSUSE_Tumbleweed/X11:XOrg.repo zypper refresh zypper install libtxc_dxtn
For openSUSE Factory run the following as root:
zypper addrepo https://download.opensuse.org/repositories/X11:XOrg/openSUSE_Factory/X11:XOrg.repo zypper refresh zypper install libtxc_dxtn