Lut, Shader, Programming, Blender3d, Unreal Engine.
pixels), you need to sample at 0.5, 1.5, 2.5, 3.5 etc. Since the coordinates are normalized that would be 0.5/16 to 15.5/16. Right now we are sampling from 0 to 1. Since we are using Point or Closest filter for the sampling, it rounds it up to the closest pixel center. That means at 1 it is