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D3DDDIARG_DRAWTRIPATCH structure (d3dumddi.h)

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The D3DDDIARG_DRAWTRIPATCH structure describes a triangular patch to draw.

Syntax

typedef struct _D3DDDIARG_DRAWTRIPATCH {
  [in] UINT Handle;
} D3DDDIARG_DRAWTRIPATCH;

Members

[in] Handle

The handle to the patch surface.

Remarks

The Handle member refers to the patch surface, so that the next time the patch surface is drawn, the Microsoft Direct3D runtime is not required to re-specify the D3DTRIPATCH_INFO data structure for the patch surface. The user-mode display driver can precompute and cache forward-difference coefficients and any other information, which allows subsequent calls to the driver's DrawTriPatch function that use the same handle to run more efficiently.

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

DrawTriPatch