// d3dkmdt.h

typedef struct _D3DKMDT_VIDPN_PRESENT_PATH_SCALING_SUPPORT {
  UINT Identity : 1;
  UINT Centered : 1;
  UINT Stretched : 1;
  UINT AspectRatioCenteredMax : 1;
  UINT Custom : 1;
} D3DKMDT_VIDPN_PRESENT_PATH_SCALING_SUPPORT;
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Windows Driver Kit DDI reference (ns-d3dkmdt-_d3dkmdt_vidpn_present_path_scaling_support)

_D3DKMDT_VIDPN_PRESENT_PATH_SCALING_SUPPORT structure

Description

The D3DKMDT_VIDPN_PRESENT_PATH_SCALING_SUPPORT structure is used to indicate the types of scaling (and centering) that are supported by a particular VidPN present path.

Members

`Identity`

The path is capable of displaying content with no transformation.

`Centered`

The path is capable of displaying centered content.

`Stretched`

The path is capable of displaying scaled content.

`AspectRatioCenteredMax`

The path is capable of scaling source content to fit the target while preserving the aspect ratio of the source.

This member is available beginning with Windows 7.

`Custom`

The path is capable of displaying one or more scaling modes that are not described by other members of this structure.

Remarks

The ScalingSupport member of a D3DKMDT_VIDPN_PRESENT_PATH_TRANSFORMATION structure is a D3DKMDT_VIDPN_PRESENT_PATH_SCALING_SUPPORT structure.

D3DKMDT_VIDPN_PRESENT_PATH_SCALING_SUPPORT - NtDoc