vulkan-headers from home:rhabacker:branches:games project
Select Your Operating System
Add repository and install manually
For SLE 15 SP3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:rhabacker:branches:games/SLE_15_SP3/home:rhabacker:branches:games.repo zypper refresh zypper install vulkan-headers