60 lines
2.3 KiB
Plaintext
60 lines
2.3 KiB
Plaintext
[[platformCreateSurface_vi,platformCreateSurface_vi]]
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=== VI Platform
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[open,refpage='vkCreateViSurfaceNN',desc='Create a slink:VkSurfaceKHR object for a VI layer',type='protos']
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--
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To create a sname:VkSurfaceKHR object for an code:nn::code:vi::code:Layer,
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query the layer's native handle using
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code:nn::code:vi::code:GetNativeWindow, and then call:
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include::../../api/protos/vkCreateViSurfaceNN.txt[]
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* pname:instance is the instance with which to associate the surface.
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* pname:pCreateInfo is a pointer to an instance of the
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sname:VkViSurfaceCreateInfoNN structure containing parameters affecting
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the creation of the surface object.
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* pname:pAllocator is the allocator used for host memory allocated for the
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surface object when there is no more specific allocator available (see
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<<memory-allocation,Memory Allocation>>).
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* pname:pSurface points to a slink:VkSurfaceKHR handle in which the
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created surface object is returned.
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During the lifetime of a surface created using a particular
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code:nn::code:vi::code:NativeWindowHandle any attempts to create another
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surface for the same code:nn::code:vi::code:Layer and any attempts to
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connect to the same code:nn::code:vi::code:Layer through other platform
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mechanisms will have undefined results.
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The pname:currentExtent of a VI surface is always undefined.
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Applications are expected to choose an appropriate size for the swapchain's
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pname:imageExtent (e.g., by matching the the result of a call to
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code:nn::code:vi::code:GetDisplayResolution).
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include::../../validity/protos/vkCreateViSurfaceNN.txt[]
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--
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[open,refpage='VkViSurfaceCreateInfoNN',desc='Structure specifying parameters of a newly created VI surface object',type='structs']
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--
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The sname:VkViSurfaceCreateInfoNN structure is defined as:
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include::../../api/structs/VkViSurfaceCreateInfoNN.txt[]
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* pname:sType is the type of this structure.
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* pname:pNext is `NULL` or a pointer to an extension-specific structure.
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* pname:flags is reserved for future use.
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* pname:window is the code:nn::code:vi::code:NativeWindowHandle for the
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code:nn::code:vi::code:Layer with which to associate the surface.
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.Valid Usage
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****
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* [[VUID-VkViSurfaceCreateInfoNN-window-01318]]
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pname:window must: be a valid code:nn::code:vi::code:NativeWindowHandle
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****
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include::../../validity/structs/VkViSurfaceCreateInfoNN.txt[]
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--
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