The intel linux drivers are very well, and also well tested for dolphin (but maybe skylake). Just try it, it works fine here 
btw, this screenshot was on mesa 8.X, right now, there is 11.X. Don't treat the first implementation of a very uncommon (in this old days) feature as their bad quality. This bug was fixed some days later on their development builds...
Edit: What's the output of "glxinfo"? Maybe your driver installation did fail.

btw, this screenshot was on mesa 8.X, right now, there is 11.X. Don't treat the first implementation of a very uncommon (in this old days) feature as their bad quality. This bug was fixed some days later on their development builds...
Edit: What's the output of "glxinfo"? Maybe your driver installation did fail.
