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brookman64k • today at 6:42 AM • 1 reply • view on HN

I would have expected the filters to run as a shader on the GPU which would make them much more efficient. I remember implementing two-pass gaussian blur in GLSL almost 20 years ago.


Replies

bschwindHN • today at 6:51 AM

Yep if you want it done quickly, the GPU is the way to go. Especially once you get to 4K resolution and beyond.

See here:

https://aras-p.info/blog/2026/10/01/Fast-blur-with-animated-...