Comments (2)
sotrh
commented on July 19, 2024
What formula would you recommend?
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Desour
commented on July 19, 2024
It's not about the formula (though, it's missing the conditional for small values https://en.wikipedia.org/wiki/SRGB#Transformation, but whatever).
The issue is that the color values in the shader are already in linear colorspace. The gpu does the conversion automatically because we specified that it's an srgb texture.
https://gpuweb.github.io/gpuweb/#texture-formats
If the format has the -srgb suffix, then sRGB conversions from gamma to linear and vice versa are applied during the reading and writing of color values in the shader.
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