# vkDisplayPowerControlEXT(3) Manual Page

## Name

vkDisplayPowerControlEXT - Set the power state of a display

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## C Specification

To set the power state of a display, call:

    // Provided by VK_EXT_display_control
    VkResult vkDisplayPowerControlEXT(
        VkDevice                                    device,
        VkDisplayKHR                                display,
        const VkDisplayPowerInfoEXT*                pDisplayPowerInfo);

## Parameters

- `device` is a logical device associated with `display`.

- `display` is the display whose power state is modified.

- `pDisplayPowerInfo` is a pointer to a VkDisplayPowerInfoEXT structure specifying the new power state of `display`.

## Description

Valid Usage (Implicit)

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

- VUID-vkDisplayPowerControlEXT-display-parameter
  `display` must be a valid VkDisplayKHR handle

- VUID-vkDisplayPowerControlEXT-pDisplayPowerInfo-parameter
  `pDisplayPowerInfo` must be a valid pointer to a valid VkDisplayPowerInfoEXT structure

- VUID-vkDisplayPowerControlEXT-commonparent
  Both of `device`, and `display` must have been created, allocated, or retrieved from the same VkPhysicalDevice

Return Codes

On success, this command returns

  - `VK_SUCCESS`

On failure, this command returns

  - `VK_ERROR_OUT_OF_HOST_MEMORY`

## See Also

VK_EXT_display_control, VkDevice, VkDisplayKHR, VkDisplayPowerInfoEXT

## 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