# vkGetPhysicalDeviceQueueFamilyProperties2(3) Manual Page

## Name

vkGetPhysicalDeviceQueueFamilyProperties2 - Reports properties of the queues of the specified physical device

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## C Specification

To query properties of queues available on a physical device, call:

    // Provided by VK_VERSION_1_1
    void vkGetPhysicalDeviceQueueFamilyProperties2(
        VkPhysicalDevice                            physicalDevice,
        uint32_t*                                   pQueueFamilyPropertyCount,
        VkQueueFamilyProperties2*                   pQueueFamilyProperties);

or the equivalent command

    // Provided by VK_KHR_get_physical_device_properties2
    void vkGetPhysicalDeviceQueueFamilyProperties2KHR(
        VkPhysicalDevice                            physicalDevice,
        uint32_t*                                   pQueueFamilyPropertyCount,
        VkQueueFamilyProperties2*                   pQueueFamilyProperties);

## Parameters

- `physicalDevice` is the handle to the physical device whose properties will be queried.

- `pQueueFamilyPropertyCount` is a pointer to an integer related to the number of queue families available or queried, as described in vkGetPhysicalDeviceQueueFamilyProperties.

- `pQueueFamilyProperties` is either `NULL` or a pointer to an array of VkQueueFamilyProperties2 structures.

## Description

`vkGetPhysicalDeviceQueueFamilyProperties2` behaves similarly to vkGetPhysicalDeviceQueueFamilyProperties, with the ability to return extended information in a `pNext` chain of output structures.

Valid Usage (Implicit)

- VUID-vkGetPhysicalDeviceQueueFamilyProperties2-physicalDevice-parameter
  `physicalDevice` must be a valid VkPhysicalDevice handle

- VUID-vkGetPhysicalDeviceQueueFamilyProperties2-pQueueFamilyPropertyCount-parameter
  `pQueueFamilyPropertyCount` must be a valid pointer to a `uint32_t` value

- VUID-vkGetPhysicalDeviceQueueFamilyProperties2-pQueueFamilyProperties-parameter
  If the value referenced by `pQueueFamilyPropertyCount` is not `0`, and `pQueueFamilyProperties` is not `NULL`, `pQueueFamilyProperties` must be a valid pointer to an array of `pQueueFamilyPropertyCount` VkQueueFamilyProperties2 structures

## See Also

VK_VERSION_1_1, VkPhysicalDevice, VkQueueFamilyProperties2

## 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 2014-2024 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0