SSF > 1 and HDR buffer, strange behavior

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ssf 1 and 2 look the same with linear scale 1:


ssf 1 and linear scale 0.001:


ssf 2 and linear scale 0.001:


also demonstrating the watermark issue with high exposure and low linear scale

btw.: file upload is not enabled for this forum

[fused]

ah well, i totally forgot about the random question thread....

[fused]

the brightness of the whole image is getting darker when using ssf > 1(uhm quite linear), so with linear scale = 0.5 i get a grey image and 0.001 is of course very close to black(aka black).