MacPorts updated libsdl within the last day and it looks like it broke OpenGL video rendering, and the SDL version is not near as good in comparison (which continues to work). Here is what RetroArch is logging:
RetroArch: Found GL context: sdl-gl RetroArch: Detecting screen resolution 4480x1440. RetroArch [ERROR] :: Failed to create SDL window. RetroArch [ERROR] :: Cannot open video driver … Exiting … RetroArch [ERROR] :: Fatal error received in: “init_video_input()”
The screen resolution detection is wrong, it should read 2560x1440 (as it did before the libsdl update).
Thanks!
Follow up: I tried updating to the newer libsdl port on a machine with 10.7 as opposed to 10.8 and did not have the same issue, everything worked fine. Not sure if that helps any…