Hi there, I just happen to have an RGBA texture with some alpha values equal to 0. Unfortunately, at least on mac osx, the image that I get from osgDB::readImageFile has the RGB values set to 0 for pixels that have alpha = 0.
I did load the image on gimp and confirmed that the RGB values are maintained in the file, so the problem seems to be in the way the osg plugin handles the file. As far as I can understand, the image loading is done by the quicktime plugin, so I would argue that this is the evil doing of apple's code. Does anyone know more about this issue? Where it originates? How to fix it? I already have a fix (changing alpha = 0 to 1 and remapping after I load the image). But I would like to avoid that if possible. Thanks, Paulo
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