Merge pull request #637 from VPeruS/macos-refresh-rate
authorFraser Waters <frassle@gmail.com>
Sat, 26 Aug 2017 11:49:52 +0000 (12:49 +0100)
committerGitHub <noreply@github.com>
Sat, 26 Aug 2017 11:49:52 +0000 (12:49 +0100)
Fix DisplayDevice.RefreshRate being 0 for some monitors on MacOS.

Use CoreVideo CVDisplayLink to get correct display refresh rate. Previous implementation can sometimes return 0 according to https://developer.apple.com/documentation/coregraphics/1454661-cgdisplaymodegetrefreshrate.


Trivial merge