ID3DXMesh::LockAttributeBuffer

Locks the mesh buffer that contains the mesh attribute data, and returns a pointer to it.

HRESULT LockAttributeBuffer(
  DWORD Flags,
  DWORD ** ppData
);

Parameters

Flags

Combination of zero or more locking flags that describe the type of lock to perform. For this method, the valid flags are:

• D3DLOCK_DISCARD
• D3DLOCK_NO_DIRTY_UPDATE
• D3DLOCK_NOSYSLOCK
• D3DLOCK_READONLY

[in] For a description of the flags, see D3DLOCK.

ppData

[out] Address of a pointer to a buffer containing a DWORD for each face in the mesh.

Return Values

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

Remarks

If ID3DXMesh::Optimize has been called, the mesh will also have an attribute table that can be accessed using the ID3DXBaseMesh::GetAttributeTable method.

Requirements

Header: Declared in D3dx9mesh.h.

See Also

ID3DXMesh::UnlockAttributeBuffer, ID3DXBaseMesh::GetAttributeTable, ID3DXMesh::SetAttributeTable