How Big Budget AAA Games Render Bloom

Trying out some of the latest approaches to Bloom used in Unity/Unreal.

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In this video, I tried going through some of the modern approaches to Bloom, explained a bit of the history, and where it may be going in the future. I walk through Kawase's Blur Filter, box and gaussian blurs and how to do separable filters, and explore the fourier transform and convolution bloom.


Referenced Papers/Talks:
The Fast Fourier Transform (FFT): Most Ingenious Algorithm Ever?:    • The Fast Fourier Transform (FFT): Mos...  
The Remarkable Story Behind The Most Important Algorithm Of All Time:    • The Remarkable Story Behind The Most ...  
http://www.iryoku.com/next-generation...
https://www.chrisoat.com/papers/Oat-S...
https://de45xmedrsdbp.cloudfront.net/...