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D3DDDIARG_MULTIPLYTRANSFORM structure (d3dumddi.h)

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The D3DDDIARG_MULTIPLYTRANSFORM structure describes how to modify the current transform.

Syntax

typedef struct _D3DDDIARG_MULTIPLYTRANSFORM {
  [in] D3DTRANSFORMSTATETYPE TransformType;
  [in] D3DMATRIX             Matrix;
} D3DDDIARG_MULTIPLYTRANSFORM;

Members

[in] TransformType

A D3DTRANSFORMSTATETYPE-typed value that indicates the type of the transform that is being modified. This member can be one of the following values.

Value Meaning
D3DTRANSFORMSTATE_PROJECTION Projection transformation
D3DTRANSFORMSTATE_VIEW View transformation
D3DTRANSFORMSTATE_WORLD World transformation

[in] Matrix

A D3DMATRIX structure that describes the matrix that is used to modify the current transform. For more information about D3DMATRIX, see the Microsoft Windows SDK documentation.

Remarks

The Microsoft Direct3D runtime uses D3DDDIARG_MULTIPLYTRANSFORM in a call to the user-mode display driver's MultiplyTransform function to inform the driver about modifications to the various transformation matrices.

Requirements

Requirement Value
Minimum supported client Available in Windows Vista and later versions of the Windows operating systems.
Header d3dumddi.h (include D3dumddi.h)

See also

MultiplyTransform