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DXGKDDI_GETPOSTCOMPOSITIONCAPS callback function (d3dkmddi.h)

  • Article

Called to retrieve post composition capabilities. Support for this DDI is required for any WDDM 2.2 driver that wants to support post composition scaling.

Syntax

DXGKDDI_GETPOSTCOMPOSITIONCAPS DxgkddiGetpostcompositioncaps;

NTSTATUS DxgkddiGetpostcompositioncaps(
           IN_CONST_HANDLE hAdapter,
  [in/out] IN_OUT_PDXGKARG_GETPOSTCOMPOSITIONCAPS pGetPostCompositionCaps
)
{...}

Parameters

hAdapter

Identifies the adapter containing the overlay hardware.

[in/out] pGetPostCompositionCaps

A pointer to a DXGKARG_GETPOSTCOMPOSITIONCAPS structure that receives the driver capabilities.

Return value

DXGKDDI_GETPOSTCOMPOSITIONCAPS returns the following values:

Return code Description
STATUS_SUCCESS If the routine has been successfully completed.

Remarks

This function is called at PASSIVE_LEVEL.

The multiplane overlay capabilities are allowed to change due to display configuration changes.

Requirements

Requirement Value
Target Platform Windows
Header d3dkmddi.h