unsafe impl<'a, Cb, V, Pv, Pl, Prp, S, Pc, O, O1, O2, O3, O4, O5> AddCommand<CmdDraw<V, Pv, Pl, Prp, S, Pc>> for Cb
    where Pl: PipelineLayoutRef,
          S: DescriptorSetsCollection,
          Cb: AddCommand<CmdBindVertexBuffers<V>, Out = O1>,
          O1: AddCommand<CmdPushConstants<Pc, Arc<GraphicsPipeline<Pv, Pl, Prp>>>, Out = O2>,
          O2: AddCommand<CmdBindDescriptorSets<S, Arc<GraphicsPipeline<Pv, Pl, Prp>>>, Out = O3>,
          O3: AddCommand<CmdSetState, Out = O4>,
          O4: AddCommand<CmdBindPipeline<Arc<GraphicsPipeline<Pv, Pl, Prp>>>, Out = O5>,
          O5: AddCommand<CmdDrawRaw, Out = O>
{
    type Out = O;

    #[inline]
    fn add(self, command: CmdDraw<V, Pv, Pl, Prp, S, Pc>) -> O {
        self.add(command.vertex_buffers)
            .add(command.push_constants)
            .add(command.descriptor_sets)
            .add(command.set_state)
            .add(command.bind_pipeline)
            .add(command.draw_raw)
    }
}