ff03ab4d08
This was a missing block of the TAA implementation. TAA jitter and reprojection have a tedency to soften the texture. Add a 1.5 bias to make them a bit sharper. Note that this is a bit different than the usual TAA blurring. In final render we don't do reprojection so it is only because the texture filter (box filter from the LOD) is applied at the same time than our pixel filter (blackmann-harris). It is less noticeable than the normal TAA blur, but still blurs ~2px instead of 1.5px.
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