XDisplay

Reference material for XDisplay APIs.

Functions

Function	Description
XDisplayAcquireTimeoutDeferral	Acquires a screen timeout deferral.
XDisplayCloseTimeoutDeferralHandle	Releases a screen timeout deferral previously acquired by calling XDisplayAcquireTimeoutDeferral.
XDisplayTryEnableHdrMode	Attempts to enable HDR (high dynamic range) mode for the attached display.

Structures

Structure	Description
XDisplayHdrModeInfo	Specifies the minimum and maximum tone map luminance values for HDR (high dynamic range) mode on the attached display.

Enumerations

Enumeration	Description
XDisplayHdrModePreference	Specifies the preferred mode to use when calling XDisplayTryEnableHdrMode.
XDisplayHdrModeResult	Specifies the current state of HDR (high dynamic range) support on the attached display.

Conceptual documentation

See also

System API reference

Last modified on October 20, 2026

⌘I