3D Game Shaders For Beginners Screen Space Reflection (SSR)
https://lettier.github.io/3d-game-shaders-for-beginners/screen-space-reflection.html#reflected-uv-coordinates
3D Game Shaders For Beginners Screen Space Refraction (SSR)
https://lettier.github.io/3d-game-shaders-for-beginners/screen-space-refraction.html
3D Game Shaders For Beginners Screen Space Ambient Occlusion (SSAO)
https://lettier.github.io/3d-game-shaders-for-beginners/ssao.html
原文：https://www.cnblogs.com/nafio/p/14447988.html