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DavidLudwig / macemu

Basilisk II and SheepShaver Macintosh emulators
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Slow Performance in VirtualBox #32

Open DavidLudwig opened 6 years ago

DavidLudwig commented 6 years ago

While doing testing for Linux, it was noticed that the SDL2 backend could be slow, if and when:

  1. running in a VirtualBox VM
  2. using the "opengl" SDL_Renderer backend. Using the "software" renderer could alleviate this, in some cases.
rickyzhang82 commented 6 years ago

You need to install guest addition in guest Linux OS. See setup

DavidLudwig commented 6 years ago

I could see the guest addition helping, however, it was much slower than with the SDL1 backend. I'd like the SDL2 backend to be usable, if at all possible, regardless of whether special, guest VM drivers are installed.

Change https://github.com/DavidLudwig/macemu/commit/50986dcf467f793aec7e3ec2005d1f0c7b64758e does seem to help, but I'd like to test that a bit further, before closing this case.