关于OpenGL，shader，GPUImage,LUT,YUV，整理下
必备
OpenGL基础
https://learnopengl-cn.github.io
OpenGL专题
https://www.jianshu.com/c/30e2e76bc140
https://www.jianshu.com/nb/2135411
shader的基本定义（glsl语法）
https://www.cnblogs.com/mazhenyu/p/3804518.html
https://www.tuicool.com/articles/yEBFvmA
shader内置变量和函数
http://blog.sina.com.cn/s/blog_6084f5880101dpxl.html
LUT介绍
http://www.cgspread.com/3388.html
https://www.jianshu.com/p/2f188d2b79f1
https://www.jianshu.com/p/b470a5b5a560
https://www.jianshu.com/p/64222cd12ec6
http://huangtw-blog.logdown.com/posts/176980-ios-quickly-made-using-a-cicolorcube-filter
LUT的生成
https://www.jianshu.com/p/7d25add74831
GPUImage介绍
https://www.jianshu.com/p/63eb80f086f9
需要了解更多...
滤镜原理
http://prolove10.blog.163.com/blog/static/138411843201441534749580/
滤镜特效的实现
http://deeryrl.blog.163.com/blog/static/1525428742012931112616825/
颜色矩阵
https://www.cnblogs.com/baiqiantao/p/5491800.html
https://www.cnblogs.com/tinytiny/p/3317372.html
https://www.cnblogs.com/yjmyzz/archive/2010/10/16/1852878.html
滤镜调色
https://zhuanlan.zhihu.com/p/26644905
iOS简单滤镜 ColorMatrix
https://blog.csdn.net/lovechris00/article/details/51496458
https://blog.csdn.net/icetime17/article/details/48132433
滤镜demo
https://blog.csdn.net/Xoxo_x/article/details/52523912
滤镜算法
https://blog.csdn.net/grafx/article/category/1824345
http://blog.csdn.net/column/details/zphotoimagefilter.html
http://blog.csdn.net/trent1985/article/details/42212459
photoshop算法实现
http://blog.csdn.net/column/details/photoshopimgproc.html?&page=2
phtoshop图像处理算法
https://blog.csdn.net/column/details/photoshop-algorithm.html?&page=1
完整demo
https://www.cnblogs.com/salam/p/5125836.html
https://blog.csdn.net/icetime17/article/details/48132433
https://www.jianshu.com/p/d873386550e6
