Constant vulkanalia_sys::KHR_PORTABILITY_SUBSET_EXTENSION

pub const KHR_PORTABILITY_SUBSET_EXTENSION: Extension;

https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/VK_KHR_portability_subset.html

WARNING

This is a provisional extension. Provisional extensions are not guaranteed to be backwards compatible and are not intended to be used in production applications.