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Re: [fxtf-drafts] [filter-effects][compositing] What is "no-composite" blending?

From: Markus Stange via GitHub <sysbot+gh@w3.org>
Date: Fri, 15 Dec 2017 13:36:45 +0000
To: public-fxtf-archive@w3.org
Message-ID: <issue_comment.created-352007366-1513345004-sysbot+gh@w3.org>
All the `B(Cb, Cs)` formulas in [C&B Level 2](https://drafts.fxtf.org/compositing-2/#blending) describe the pure blend step. The compositing that happens afterwards to compute the final composited color, `Cr`, uses B(Cb, Cs) as one of its inputs and is mentioned in the introductory section of the Blending chapter:

```
Cr = (1 - αb) x Cs + αb x B(Cb, Cs)
```

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