Describes a subset of the mesh that has the same attribute and bone combination.
typedef struct D3DXBONECOMBINATION { DWORD AttribId; DWORD FaceStart; DWORD FaceCount; DWORD VertexStart; DWORD VertexCount; DWORD * BoneId; } D3DXBONECOMBINATION, *LPD3DXBONECOMBINATION;
Pointer to an array of values that identify each of the bones that can be drawn in a single drawing call. Note that the array can be of variable length to accommodate variable length bone combinations of ID3DXSkinInfo::ConvertToIndexedBlendedMesh.
The subset of the mesh described by D3DXBONECOMBINATION can be rendered in a single drawing call.