Just as the title says, i wanted to know if theres is a automatic way of -when building- unity could switch the material for simpler ones (or switch the shader to simpler techniques) according to the project type. for example. if I have a Web project, there could be some fallback material when i publish to mobile. Another cool option would to have some toggle to switch between texture sizes according to building as well. for example, for WEB i could leave the texture as it is, but for mobile i could ask it to crop 1/2 size.
Or do I have to start a new project and copy everythnig and tweak materials there?