Questions tagged [gamma]
The gamma tag has no usage guidance.
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Is gamma still important to take into account?
Do different monitors (including mobile screens) still use significantly different gamma functions when displaying colour images? Is there a standardised way to represent colour that can then be ...
9
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Why shouldn't Bump, Normal and Displacement maps be gamma corrected?
So I'm trying to wrap my head around this from a fairly technical point of view.
When you add a Bump or Normal or Displacement map in your shader they should not be gamma corrected. But diffuse ...
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How are we supposed to fix brightness with square roots?
I recently watched this video that talked from a physics perspective how most of the ways we deal with color on the computer is incorrect because brightness is on a logarithmic not linear scale. ...
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Noise shaping for dithering with gamma?
The context of this question is correct dithering of color with gamma correction. In dithering we add (shaped) noise $n$ to a signal $s \in [0, 1]$ based on a random variable $r \in [0, 1]$
$$s' = s +...
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Question about function for color
I would like a help to understand the following line of code:
return float3(pow(color.r, 2.2), pow(color.g, 2.2), pow(color.b, 2.2));
I've seen some places calling ...
