public abstract unsafe void GetVertexAttribPointer <T0>([Flow(FlowDirection.In)] uint index, [Flow(FlowDirection.In)] VertexAttribPointerPropertyARB pname, [Count(Count = 1), Flow(FlowDirection.Out)] out T0 *pointer) where T0 : unmanaged;
 public abstract unsafe void GetVertexAttribPointer([Flow(FlowDirection.In)] uint index, [Flow(FlowDirection.In)] VertexAttribPointerPropertyARB pname, [Count(Count = 1), Flow(FlowDirection.Out)] void **pointer);