Maybe the games were not very complex? Professional game programmers building games with lots of shaders are very familiar with what I am talking about. See for

Maybe the games were not very complex? Professional game programmers building games with lots of shaders are very familiar with what I am talking about. See for example this thread: https://www.opengl.org/discussion_boards/showthread.php/199853-Vertex-shader-in-program-2-is-being-recompiled-based-on-GL-state https://www.opengl.org/discussion_boards/showthread.php/1998...