public static extern void glDrawElements(Def.BeginMode beginMode, uint count, Def.DrawElementsType type, nint indices);
public static extern void glDrawArrays(Def.BeginMode beginMode, int first, uint count);
public static extern void glDrawElements(Def.BeginMode beginMode, uint count, Def.DrawElementsType type, nint indices);
public static extern void glDrawArrays(Def.BeginMode beginMode, int first, uint count);