# VkPhysicalDeviceExternalMemoryHostPropertiesEXT(3) Manual Page

## Name

VkPhysicalDeviceExternalMemoryHostPropertiesEXT - Structure describing external memory host pointer limits that can be supported by an implementation

## C Specification

The `VkPhysicalDeviceExternalMemoryHostPropertiesEXT` structure is defined as:

    typedef struct VkPhysicalDeviceExternalMemoryHostPropertiesEXT {
        VkStructureType    sType;
        void*              pNext;
        VkDeviceSize       minImportedHostPointerAlignment;
    } VkPhysicalDeviceExternalMemoryHostPropertiesEXT;

## Members

The members of the `VkPhysicalDeviceExternalMemoryHostPropertiesEXT` structure describe the following implementation-dependent limits:

## Description

- `sType` is the type of this structure.

- `pNext` is `NULL` or a pointer to an extension-specific structure.

- `minImportedHostPointerAlignment` is the minimum required alignment, in bytes, for the base address and size of host pointers that can be imported to a Vulkan memory object.

If the `VkPhysicalDeviceExternalMemoryHostPropertiesEXT` structure is included in the `pNext` chain of VkPhysicalDeviceProperties2, it is filled with the implementation-dependent limits.

Valid Usage (Implicit)

- `sType` must be `VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTERNAL_MEMORY_HOST_PROPERTIES_EXT`

## See Also

`VkDeviceSize`, VkStructureType

## 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.

## Copyright

Copyright (c) 2014-2020 Khronos Group. This work is licensed under a Creative Commons Attribution 4.0 International License.