// dispmprt.h

DXGK_BRIGHTNESS_SET_BACKLIGHT_OPTIMIZATION_3 DxgkBrightnessSetBacklightOptimization3;

NTSTATUS DxgkBrightnessSetBacklightOptimization3(
  [in] PVOID Context,
  [in] ULONG ChildUid,
  [in] DXGK_BACKLIGHT_OPTIMIZATION_LEVEL OptimizationLevel
)
{...}
View the official Windows Driver Kit DDI reference

NtDoc

No description available.

Edit description on GitHub

Windows Driver Kit DDI reference (nc-dispmprt-dxgk_brightness_set_backlight_optimization_3)

DXGK_BRIGHTNESS_SET_BACKLIGHT_OPTIMIZATION_3 callback function

Description

Implemented by the client driver to set the level of optimization used to control the brightness of a panel.

Parameters

`Context` [in]

Context pointer provided when querying the interface.

`ChildUid` [in]

An integer that uniquely identifies the child device. The display miniport driver's DxgkDdiQueryChildRelations function previously provided this identifier to the display port driver.

`OptimizationLevel` [in]

A value of type DXGK_BACKLIGHT_OPTIMIZATION_LEVEL that indicates the optimization level of brightness control.

Return value

Return STATUS_SUCCESS if the operation succeeds. Otherwise, return an appropriate NTSTATUS Values error code defined in ntstatus.h.

Prototype

//Declaration

DXGK_BRIGHTNESS_SET_BACKLIGHT_OPTIMIZATION_3 DxgkBrightnessSetBacklightOptimization3;

// Definition

NTSTATUS DxgkBrightnessSetBacklightOptimization3
(
    PVOID Context
    ULONG ChildUid
    DXGK_BACKLIGHT_OPTIMIZATION_LEVEL OptimizationLevel
)
{...}

DXGK_BRIGHTNESS_SET_BACKLIGHT_OPTIMIZATION_3

View the official Windows Driver Kit DDI reference