Set the alpha channel to "undefined" in this case. Gimp doesn't seem to like this when opening the image and insists to doing something with it, that's a bit of a bummer. But it allows GTK to load RGBx textures.
Set the alpha channel to "undefined" in this case. Gimp doesn't seem to like this when opening the image and insists to doing something with it, that's a bit of a bummer. But it allows GTK to load RGBx textures.