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English
Etymology
From pre- + pass.
Noun
prepass (plural prepasses)
- (computing) A prior pass of an algorithm or process, sometimes as an optimization to handle simpler cases.
2002, Arndt von Koenigsmarck, Maxon Cinema 4D 7: A Workshop for 2D/3D Graphics Pros, page 277:If you're trying to render an image of 800 × 600 pixels and you do the prepass with just 200 × 150 pixels, then you'll see fewer details there and you can't place the sampling points as exactly.