if i scale a texture by multiplying it.. should i use derivative ddx ddy ? Or does None( use computed mip level) able to figure it out correctly?

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if i scale a texture by multiplying it… should i use derivative ddx ddy ? Or does None( use computed mip level) able to figure it out correctly?

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I’m pretty sure you can just multiply it, because that just changes the UV scale, which the mip system is built to deal with anyway :slight_smile: