Dolphin, the GameCube and Wii emulator - Forums

Good morning everyone.
Despite my research for some documentation here or across the web (I can't understand the emulator's source code), I couldn't find an answer to this:

What exactly is the famous high resolution mode in Dolphin? Is it an upscaler, or does the reimplementation of the Wii's Hollywood processor really generates HD graphics from the games original code?
Sorry if this question seems a little confuse, I'm not as good in english as I'd want.

Thank you in advance.

You can use internal resolutions, widescreen hack, apply AA/AF or even use High-res textures. Despite minor issues like NYI/correctly implemented effects/shaders etc Dolphin is superior to Wii/GC gfx/audio wise.