ETC1

对纹理进行Alpha通道分离的好处

https://blog.csdn.net/u011926026/article/details/53982180

拆分贴图的Alpha通道 --对抗ETC1的原罪

https://blog.csdn.net/u010153703/article/details/51491116

ETC1压缩纹理格式详解

https://blog.csdn.net/e295166319/article/details/52622811

各种移动GPU压缩纹理的使用方法

https://blog.csdn.net/wanglang3081/article/details/8869589

实现图片ETC+Alpha分离

https://blog.csdn.net/smallrainf/article/details/51872545

unity游戏优化之ETC压缩和 Alpha通道处理

https://blog.csdn.net/qiaoquan3/article/details/53300482

【改进版】Unity工程里图片的RGB和Alpha通道的分离

https://blog.csdn.net/u010153703/article/details/45502895

Unity一键图集生成工具，附源码 (基于NGUI和TexturePacker)

https://blog.uwa4d.com/archives/NGUI_SplitChannels.html

Unity Gamma校正

https://gameinstitute.qq.com/community/detail/125684