To remove an unnecessary compile-time dependency, an incomplete type
CAMetalLayer is provided in the Vulkan headers:
// Provided by VK_EXT_metal_surface #ifdef __OBJC__ @class CAMetalLayer; #else typedef void CAMetalLayer; #endif
For more information, see the Vulkan Specification
This page is extracted from the Vulkan Specification. Fixes and changes should be made to the Specification, not directly.