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IDirect3DDevice9::SetStreamSourceFreq method

Sets the stream source frequency divider value. This may be used to draw several instances of geometry.

Syntax


HRESULT SetStreamSourceFreq(
  [in]  UINT StreamNumber,
  [in]  UINT FrequencyParameter
);

Parameters

StreamNumber [in]

Type: UINT

Stream source number.

FrequencyParameter [in]

Type: UINT

This parameter may have two different values. See remarks.

Return value

Type: HRESULT

If the method succeeds, the return value is D3D_OK. If the method fails, the return value can be D3DERR_INVALIDCALL.

Remarks

There are two constants defined in d3d9types.h that are designed to use with SetStreamSourceFreq: D3DSTREAMSOURCE_INDEXEDDATA and D3DSTREAMSOURCE_INSTANCEDATA. To see how to use the constants, see Efficiently Drawing Multiple Instances of Geometry (Direct3D 9).

Requirements

Header

D3D9.h

Library

D3D9.lib

See also

IDirect3DDevice9
IDirect3DDevice9::GetStreamSourceFreq

 

 

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