Lut, Shader, Programming, Blender3d, Unreal Engine.
theoratically have our U coordinate. However just like in V coordinate calculation, this will give us a black bar on the right. For the same reason. At value 1 for Red, we will be sampling pixel 16 (for the 16x16x16 LUT) which in the Closest sampling filter is 16.5 which is a pixel that doesnt