Bastien Montagne
d89b65cc91
All the single-value texture inputs of Principled BSDF node should use non-color colorspace profile, not sRGB one (issue raised in https://blender.stackexchange.com/questions/155617, thanks). That also revealed another issue - since those color space settings are stored at the image level itself, not the node one, we need to duplicate those image data-blocks when we use same picture for e.g. base color (sRGB) and specular (non-color) inputs... For now using a basic mechanism for that, might generate several extra, uneeded copies of the image ID, but that’s better than breaking custom settings and such. Note that while this will modify the behavior of the impporters using that node wrapper, no change should be needed in IO add-ons themselves.