Mesa from X11:XOrg:snapshots 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:snapshots/openSUSE_Tumbleweed/X11:XOrg:snapshots.repo zypper refresh zypper install Mesa