[vulkan] Add check for Vk 1.1 device functions

Some drivers might not have all 1.1 function pointers.

Change-Id: I528f81fc2a4bc4b153b629776fe99ef71acc1f38
1 file changed
tree: 53facc03ea68298aa2c7270234ae05c5e923f8f8
  1. registry/