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[Impeller] Fix application of paint alpha for textures/savelayers #33437
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chinmaygarde
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May 17, 2022
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Our pipeline blends are additive and expect premultiplied source colors, so the color components need to be multiplied.
Also fixed the color wheel test to make the layer transparent instead of the circles. Makes it easier to see the subtle difference between plus/screen and multiply/colorburn.
Screen.Recording.2022-05-17.at.2.03.20.PM.mov