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Renderer: study use of linear vs gamma spaces #11
Description
Some math (e.g. blending) shouldn't be done in gamma space (such as sRGB), but apparently other math (reconstruction filters) should be (see section 8.3 of A Fresh Look at Generalized Sampling by Diego Nehab and Hugues Hoppe).
There's also a paper titled Color Space Considerations for Linear Image Filtering by Wilhelm Burger.
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