Mesa-libRusticlOpenCL from home:bitspawn 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/home:bitspawn/openSUSE_Tumbleweed/home:bitspawn.repo zypper refresh zypper install Mesa-libRusticlOpenCL