权威官方文档:https://www.opengl.org/documentation/glsl/
权威民间金典新手教程:http://blog.csdn.net/racehorse
一个具体完整的GLSL代码:http://www.ituring.com.cn/article/851
GLSL简单介绍和全部内置变量:http://www.linuxgraphics.cn/opengl/shader_overview.html
http://blog.csdn.net/kaixinbingju/article/details/14518387
http://www.cnblogs.com/mazhenyu/p/3804518.html
百度文库完整PPT:http://wenku.baidu.com/link?
url=KUUhkIFpxtJOptnaFccKEWqOJw-yvnLoYGdkiwmYW0mnRpoSENQrk6TVst1_rHZJM_2sBh61H5tKX8pbNFyImM_ObOSrMDnp9LD2bqYjjCi
百度文库入门WORLD教程:http://wenku.baidu.com/link?
url=wokPChPUUK9nuFTefB0WgxOK7ZGsfLMSRZ8JjXrB7mHR063L61GUkpWrNe7I58peo5dt6fdLVIfLoEvh5nNHRdedcKZl0qMZzwLSzD6Nj5e
http://wenku.baidu.com/view/be62e6bcf121dd36a32d824c.html?re=view
http://wenku.baidu.com/view/518048d528ea81c758f57800.html
GLSL语言语法基础:http://my.oschina.net/sweetdark/blog/208024#OSC_h3_12