vulkan: import vk_layer.h from Khronos
Instead of relying on the system having it (and the right version).
(vk_layer.h is used by the vulkan overlay layer)
/cc @llandwerlin
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
Instead of relying on the system having it (and the right version).
(vk_layer.h is used by the vulkan overlay layer)
/cc @llandwerlin