该书介绍了opengl shading language的有关技术及方法。包含三个部分，第一部分介绍了opengl shading language的一些基本知识和用法；第二部分给出了一些应用实例。第三部将Opengl shading language和其它一些shading language进行了对比。-The book introduced the opengl shading language of the relevant technologies and methods. Contains three parts, the first part of the opengl shading language introduction to some of the basic knowledge and usage　second part gives some application examples. Part III will Opengl shading language and other shading language were compared.