Yes, you think that dx 9 or 10 would be better. The performance would be better, but Dolphin has no high requirements for a graphics card. So this is no argument.
The developers had their reasons when they decided to use openGL. E.g. it runs on Linux and MacOS (What Dx doesn't do, because it's from Microsoft)
The developers had their reasons when they decided to use openGL. E.g. it runs on Linux and MacOS (What Dx doesn't do, because it's from Microsoft)