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by mattsan
959 days ago
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FFT plus some game stuff requires complex numbers to do partial rendering (e.g. do some now and then do more next frame - I've lost the link to the talk but IIRC EA did a talk on how they made a shader that emulates lights in the background that are out of focus (not Guassian but the actual cool effect as if it was a real camera)) |
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edit: Found the article: https://www.ea.com/frostbite/news/circular-separable-convolu...