[Edit: seems like you're talking about Dolphin. flatiron upthread mentioned a Wii U so that's what the question you replied to is about.]
Wii U's max HDMI output is 1080p. Also I have not seen any information that it does upscaling at all, so if you have a source for that, I'd like to know it.
Wii U's max HDMI output is 1080p. Also I have not seen any information that it does upscaling at all, so if you have a source for that, I'd like to know it.