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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 |