C Specification

The type IOSurfaceRef is defined in Apple’s CoreGraphics framework, but to remove an unnecessary compile time dependency, an incomplete type definition of IOSurfaceRef is provided in the Vulkan headers:

// Provided by VK_EXT_metal_objects
typedef struct __IOSurface* IOSurfaceRef;

See Also

Document Notes

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.

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