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3 Jan 2024
@atemu12:matrix.org@atemu12:matrix.org crushing-smite: It's recording the physical screen and passing that recording through shared memory AFAIUI 10:50:43
@k900:0upti.meK900 It doesn't exist until there's a physical plug because the GPU doesn't see any displays connected to it 10:50:46
@k900:0upti.meK900So it's just not enabling graphical output at all10:50:55
@crushing-smite:matrix.orgcrushing-smite:(10:51:05
@crushing-smite:matrix.orgcrushing-smitewhat a waste of non-wasted electricity 10:51:14
@philipp:xndr.dephilippIt's not that bad if you just use on of these fake display plugs.10:51:37
@k900:0upti.meK900It's a negligible amount of electricity if you just use a dummy plug or your existing monitor10:52:02
@k900:0upti.meK900The GPU usually can't tell if it's the active input on your monitor10:52:10
@k900:0upti.meK900So it'll still render even if you have the monitor set to not display it10:52:20
@crushing-smite:matrix.orgcrushing-smiteyeah, but I mean, what a waste of electricity as in GPU cycles10:52:51
@k900:0upti.meK900GPU cycles aren't really wasted10:53:05
@crushing-smite:matrix.orgcrushing-smitecould have still rendered stuff even if it knows there's no output 🤔10:53:09
@k900:0upti.meK900Well except the scanout hardware10:53:15
@k900:0upti.meK900Which is basically idle anyway10:53:20
@k900:0upti.meK900Because the display is what's driving the scanout10:53:24
@atemu12:matrix.org@atemu12:matrix.orgIt could, theoretically. Windows drivers just simply don't do that.10:53:38
@k900:0upti.meK900As in, the display will ask the GPU to feed it frames10:53:40
@crushing-smite:matrix.orgcrushing-smiteaha, so the trigger for GPU's action is actually the display?10:53:43
@k900:0upti.meK900 The GPU will still render frames 10:53:52
@crushing-smite:matrix.orgcrushing-smiteinteresting10:53:53
@k900:0upti.meK900Even if not asked10:53:55
@crushing-smite:matrix.orgcrushing-smitewhat a rabbit hole this whole thing is10:54:18
@k900:0upti.meK900But moving the data to the display is initiated by the display10:54:18
@crushing-smite:matrix.orgcrushing-smiteall just to play some games10:54:24
@k900:0upti.meK900(usually)10:54:27
@k900:0upti.meK900(with VRR it's kind of inverted but also not really)10:54:37
@crushing-smite:matrix.orgcrushing-smiteit also now appears, that regardless of using looking glass, I should first set GPU passthrough via the conventional means10:55:59
@crushing-smite:matrix.orgcrushing-smiteAnd also tweak the KVM for optimized performance10:56:11
@crushing-smite:matrix.orgcrushing-smiteAny tips/mans/blogs on that part?10:56:24
@k900:0upti.meK900Yes10:56:24

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