Iop::requested_channels() give you the union of all the requested channels. But what about only the actual requested channels?
If I'm viewing RGBA, then it would return RGBA. Then if I look at the "reflect" for example, then it would return "RGBA, reflect", and so on. The only way I found to get around this is to call invalidate(), but then nothing gets cached. Anyway to only get only the channels that you need? Thanks, Konstantin
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