tree 0971ec44d2461cc073186422e7a3aab9a06a1c69
parent 6cfb89c0bfe11c2ee513fe4df339ad753d4ad4ff
author Chia-I Wu <olv@google.com> 1461796569 +0800
committer Chia-I Wu <olv@google.com> 1461804760 +0800

vulkan: refactor layer enumeration

Replace Enumerate*Layers by a set of new functions that do not distinguish
instance and device layers.  The new functions are also careful not to
pollute the rest of the loader with std containers.

There should be no user-visible change.

Bug: 27911856
Change-Id: I4790fadc1aa2ea934a4628bce55dd45892f15e0b