DXGKDDI_GETPOSTCOMPOSITIONCAPS callback function (d3dkmddi.h)

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_PDXGKARG_GETPOSTCOMPOSITIONCAPS pGetPostCompositionCaps
)
{...}

Parameters

hAdapter

Identifies the adapter containing the overlay hardware.

pGetPostCompositionCaps

[in/out] 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

   
Target Platform Windows
Header d3dkmddi.h