Constant windows_sys::Wdk::Graphics::Direct3D::D3DNTDP2OP_SETSTREAMSOURCE
pub const D3DNTDP2OP_SETSTREAMSOURCE: D3DNTHAL_DP2OPERATION = 49i32;
pub const D3DNTDP2OP_SETSTREAMSOURCE: D3DNTHAL_DP2OPERATION = 49i32;