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DXGKCB_ACQUIRE_POST_DISPLAY_OWNERSHIP2 callback function (dispmprt.h)

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Called by a display miniport driver to obtain the display information from the current power-on self-test (POST) display device or the previously running Windows Display Driver Model (WDDM) driver.

Syntax

DXGKCB_ACQUIRE_POST_DISPLAY_OWNERSHIP2 DxgkcbAcquirePostDisplayOwnership2;

NTSTATUS DxgkcbAcquirePostDisplayOwnership2(
  HANDLE DeviceHandle,
  PDXGK_DISPLAY_INFORMATION DisplayInfo,
  PDXGK_DISPLAY_OWNERSHIP_FLAGS Flags
)
{...}

Parameters

DeviceHandle

A handle that represents a display adapter. The display miniport driver previously obtained this handle in the member of the DXGKRNL_INTERFACE structure that was passed to DxgkDdiStartDevice.

DisplayInfo

A pointer to a DXGK_DISPLAY_INFORMATION structure that is allocated by the display miniport driver. If DxgkCbAcquirePostDisplayOwnership returns STATUS_SUCCESS, this structure contains display information for the current display device that is used for POST operations.

Flags

A pointer to a DXGK_DISPLAY_OWNERSHIP_FLAGS structure that is allocated by the display miniport driver. If DxgkCbAcquirePostDisplayOwnership2 returns STATUS_SUCCESS, this structure contains flags in bit fields describing the ownership of the display. The only bit fields defined in WDDM 2.2 contain a DXGK_FRAMEBUFFER_STATE enum indicating how the frame buffer was initialized.

Return value

DxgkCbAcquirePostDisplayOwnership returns STATUS_SUCCESS if it succeeds.

Remarks

Register your implementation of this callback function by setting the appropriate member of and then calling .

Requirements

Requirement Value
Target Platform Windows
Header dispmprt.h