> ## Documentation Index
> Fetch the complete documentation index at: https://devdocs.xbox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# XDisplay

> XDisplay

# XDisplay

Reference material for XDisplay APIs.

## Functions

| Function                                                                                                      | Description                                                                                                                                                              |
| ------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| [XDisplayAcquireTimeoutDeferral](/reference/system/xdisplay/functions/xdisplayacquiretimeoutdeferral)         | Acquires a screen timeout deferral.                                                                                                                                      |
| [XDisplayCloseTimeoutDeferralHandle](/reference/system/xdisplay/functions/xdisplayclosetimeoutdeferralhandle) | Releases a screen timeout deferral previously acquired by calling [XDisplayAcquireTimeoutDeferral](/reference/system/xdisplay/functions/xdisplayacquiretimeoutdeferral). |
| [XDisplayTryEnableHdrMode](/reference/system/xdisplay/functions/xdisplaytryenablehdrmode)                     | Attempts to enable HDR (high dynamic range) mode for the attached display.                                                                                               |

## Structures

| Structure                                                                     | Description                                                                                                            |
| ----------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------- |
| [XDisplayHdrModeInfo](/reference/system/xdisplay/structs/xdisplayhdrmodeinfo) | Specifies the minimum and maximum tone map luminance values for HDR (high dynamic range) mode on the attached display. |

## Enumerations

| Enumeration                                                                             | Description                                                                                                                                 |
| --------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------- |
| [XDisplayHdrModePreference](/reference/system/xdisplay/enums/xdisplayhdrmodepreference) | Specifies the preferred mode to use when calling [XDisplayTryEnableHdrMode](/reference/system/xdisplay/functions/xdisplaytryenablehdrmode). |
| [XDisplayHdrModeResult](/reference/system/xdisplay/enums/xdisplayhdrmoderesult)         | Specifies the current state of HDR (high dynamic range) support on the attached display.                                                    |

## Conceptual documentation

* [High dynamic range (HDR) output](/build/core-features/graphics/overviews/hdr-support)
* [Time-sensitive threads](https://learn.microsoft.com/gaming/gdk/docs/gdk-dev/console-dev/overviews/threads/time-sensitive-threads)
* [Using C# wrappers for GDK APIs in your Unity project](/build/gdk-and-engines/unity/unity-api-wrappers)

## See also

[System API reference](/reference/system/gc-reference-system-toc)


## Related topics

- [XDisplayHdrModeResult](/reference/system/xdisplay/enums/xdisplayhdrmoderesult.md)
- [XDisplayHdrModeInfo](/reference/system/xdisplay/structs/xdisplayhdrmodeinfo.md)
- [XDisplayAcquireTimeoutDeferral](/reference/system/xdisplay/functions/xdisplayacquiretimeoutdeferral.md)
- [XDisplayHdrModePreference](/reference/system/xdisplay/enums/xdisplayhdrmodepreference.md)
- [XDisplayTryEnableHdrMode](/reference/system/xdisplay/functions/xdisplaytryenablehdrmode.md)