On Wed, 24 Apr 2019 at 20:17, Chip Davis cdavis@codeweavers.com wrote:
I'm not so sure that is in fact how it works on Mac. I remember a change to MoltenVK that was made to use MTLCreateSystemDefaultDevice() in order to force the system to switch to presenting with the discrete GPU, because that performed better when also using it for rendering.
You may be right about that, actually. I haven't paid all that much attention to Apple for a while now, but I do remember they were one of the few remaining vendors that still had a muxer at the time.