OpenGL与OpenGL ES 2.0 - OpenGL应用程序可以轻松移植吗？

I am working on a gaming framework of sorts, and am a newcomer to OpenGL. Most books seem to not give a terribly clear answer to this question, and I want to develop on my desktop using OpenGL, but execute the code in an OpenGL ES 2.0 environment. My question is twofold then:I am working on a gaming framework of sorts, an