Vulkan-Docs/chapters/VK_MVK_ios_surface/platformCreateSurface_ios.txt

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[[platformCreateSurface_ios,platformCreateSurface_ios]]
=== iOS Platform
[open,refpage='vkCreateIOSSurfaceMVK',desc='Create a VkSurfaceKHR object for an iOS UIView',type='protos']
--
To create a sname:VkSurfaceKHR object for an iOS code:UIView, call:
include::../../api/protos/vkCreateIOSSurfaceMVK.txt[]
* pname:instance is the instance with which to associate the surface.
* pname:pCreateInfo is a pointer to an instance of the
slink:VkIOSSurfaceCreateInfoMVK structure containing parameters
affecting the creation of the surface object.
* pname:pAllocator is the allocator used for host memory allocated for the
surface object when there is no more specific allocator available (see
<<memory-allocation,Memory Allocation>>).
* pname:pSurface points to a slink:VkSurfaceKHR handle in which the
created surface object is returned.
include::../../validity/protos/vkCreateIOSSurfaceMVK.txt[]
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[open,refpage='VkIOSSurfaceCreateInfoMVK',desc='Structure specifying parameters of a newly created iOS surface object',type='structs']
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The slink:VkIOSSurfaceCreateInfoMVK structure is defined as:
include::../../api/structs/VkIOSSurfaceCreateInfoMVK.txt[]
* pname:sType is the type of this structure.
* pname:pNext is `NULL` or a pointer to an extension-specific structure.
* pname:flags is reserved for future use.
* pname:pView is a reference to a code:UIView object which will display
this surface.
This code:UIView must: be backed by a code:CALayer instance of type
code:CAMetalLayer.
.Valid Usage
****
* [[VUID-VkIOSSurfaceCreateInfoMVK-pView-01316]]
pname:pView must: be a valid code:UIView and must: be backed by a
code:CALayer instance of type code:CAMetalLayer.
****
include::../../validity/structs/VkIOSSurfaceCreateInfoMVK.txt[]
--