ID2D1ComputeTransform.CalculateThreadgroups

Undocumented in source but is binding to Windows. You might be able to learn more by searching the web for its name.
interface ID2D1ComputeTransform
extern (Windows)
HRESULT
CalculateThreadgroups
(
const(D2D1_RECT_L)* outputRect
,
UINT32* dimensionX
,
UINT32* dimensionY
,
UINT32* dimensionZ
)

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