# vkGetScreenBufferPropertiesQNX(3) Manual Page

## Name

vkGetScreenBufferPropertiesQNX - Get Properties of External Memory QNX Screen Buffers

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## C Specification

To determine the memory parameters to use when importing a QNX Screen buffer, call:

    // Provided by VK_QNX_external_memory_screen_buffer
    VkResult vkGetScreenBufferPropertiesQNX(
        VkDevice                                    device,
        const struct _screen_buffer*                buffer,
        VkScreenBufferPropertiesQNX*                pProperties);

## Parameters

- `device` is the logical device that will be importing `buffer`.

- `buffer` is the QNX Screen buffer which will be imported.

- `pProperties` is a pointer to a VkScreenBufferPropertiesQNX structure in which the properties of `buffer` are returned.

## Description

Valid Usage

- VUID-vkGetScreenBufferPropertiesQNX-buffer-08968
  `buffer` must be a valid QNX Screen buffer

Valid Usage (Implicit)

- VUID-vkGetScreenBufferPropertiesQNX-device-parameter
  `device` must be a valid VkDevice handle

- VUID-vkGetScreenBufferPropertiesQNX-buffer-parameter
  `buffer` must be a valid pointer to a valid `_screen_buffer` value

- VUID-vkGetScreenBufferPropertiesQNX-pProperties-parameter
  `pProperties` must be a valid pointer to a VkScreenBufferPropertiesQNX structure

Return Codes

On success, this command returns

  - `VK_SUCCESS`

On failure, this command returns

  - `VK_ERROR_OUT_OF_HOST_MEMORY`

  - `VK_ERROR_INVALID_EXTERNAL_HANDLE_KHR`

## See Also

VK_QNX_external_memory_screen_buffer, VkDevice, VkScreenBufferPropertiesQNX

## 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 2014-2025 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0