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Web Browser Plugin color in sRGB when 3D Widget expects linear

The Web Browser plugin appears washed out when viewed in-game because the color data is in sRGB and 3D Widget expects linear RGB.


Two instances of issue:

https://answers.unrealengine.com/questions/466689/browser-3d-widget-looks-washed-out.html https://answers.unrealengine.com/questions/457066/web-browser-widget-picture-blurry.html


Solution:

Web Browser plugin needs to convert color data from sRGB to linear RGB to work correctly with widgets.


Temporary Workaround:

I am currently using a workaround where the material of the 3D Widget converts all color data from sRGB to linear RGB. This is not optimal as it will also convert color information that is correct from other parts of the Widget than the Web Browser. My material can be seen below:

alt text


Information on how to convert color spaces: http://entropymine.com/imageworsener/srgbformula/

Product Version: UE 4.16
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asked Sep 13 '17 at 06:24 PM in Bug Reports

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J_Paul
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Hello J_Paul,

After doing some digging I was able to find a request to have the widget rendered after post process. Thank you for the information provided.

Make it a great day

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answered Sep 18 '17 at 06:27 PM

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Rudy Q ♦♦ STAFF
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avatar image J_Paul 6 days ago

The issue is not with the widget needing to be rendered after post processing; it is that the web browser widget, in particular, is outputting its color information in sRGB instead of linear RGB. This causes it to display the webpage incorrectly and look "washed out" compared to all other widgets.

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