Lut, Shader, Programming, Blender3d, Unreal Engine.
increases. In the natural LUT, the slice all the way to the left has a blue value of 0. The one all the way right has a blue value of 1. So we take the InColor.B and based on in which of these slices we are in, we start with an Offset for the U dimension. As an example, if our Lut was 4x4x4, and