You are right in some points. My pluging previously did not care about gamma. But even after I have added that, I have noticed that playing around with depict lighting in scene totally changes the colors on before RT and the After RT is still darker.
So when the Direct light is 10 lumen, the colors are so light but after RT will make them saturated, however light 1 lum will match the colors.
Maybe there way more setting to the colors and corrections but it is out of the pluging scope as of now.
It ment to be simple solution to store Fog of War data for RTS games.
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