THANKS! Looking forward to the updates HSM. Needing something fun to jump back into vetical arcade projects. This should pair nice with 480hz monitor 
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Ok, thanks for the reply. Sounds great. Iāll just hold off until itās ready.
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Just tried it out with the Guest Advanced shader and it does look much clearer! I do have some banding and occasional flickers happening, so Iāll have to experiment with some of those fixes, but Iām pretty impressed with the motion clarity. Looking forward to the Mega Bezel update 
Btw, Iām using a 32" LG 4K OLED gaming monitor with 240hz.
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Just wanted to checkā¦ with the crt shader loaded and settings enabled, I get an image with the bottom half of my screen all black (and top half has fast, black flickering). Is this a compatibility issue with my monitor? or just a settings issue? Thanks.
edit Ok, turns out this happened because the rolling scanlines option was on again. It looks like some of those sync options turn each other back off and on, but I have that sorted now.
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With the crt shader pre-pended in Mega-Bezel (I know, I said I was going to hold off on thisā¦ Iām sorry) I get a brief mini-freeze every 10 seconds or so. Is this settings, performance or something else maybe? I have my vsync swap interval set at 1ā¦ from the description this seemed to be the right way to go as there is no āoffā settingā¦ is this related?
Also, with a 144hz monitor, would a person get more benefit setting to 120 or 180?
Thanks for the help.
unless youāre overclocking your monitor to reach 180, 120 is going to be your only option on a 144 Hz monitor.
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Iām still a bit confused on the v swap with shader sub frames. The setting description says not to set v swap > 1, so I assume you would not want it on autoā¦ if I set it to 1, it turns off shader sub frames. If I turn shader sub frames back on, it sets v swap to auto (endless loop). With it set to auto, I do seem to be getting a bit of slow down (testing with mesen core, which normally has no slowdown). Should v swap be set to 1, and how to get the setting to āstickā. Thanks for the help.
@hunterk, I just remembered that we had an idea or concept very similar to what is being done with the CRT-Simulator shader and I had asked you if it was possible to have a black bar running down the frame and you made a small shader which I tested at 60Hz before the invention of the Subframe feature.
Do you remember that?
I was looking for the thread or conversation but I couldnāt find it. Iām wondering now if something like that might be comparable to what is being done now or feasible now that we have the ability to run shader effects at faster than in game frame rate?
yes, but it wouldnāt be as good as the crt-beam-simulator because whatever I wrote before didnāt have any of the brightness correction and fade-in/out, which is the beam-simulator shaderās real magic mojo.
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Looks like this is also getting some traction on YouTube as well.
Scroll towards the end of the video. Guy seems new to RetroArch though.
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Yeah, itās just cool to know that the concept itself seemed spot on, itās just that the supporting software technology wasnāt quite there yet. In my case, I was wondering if it would have been possible to achieve something workable at 60Hz.
I also think itās cool from a historical and nostalgic perspective. Donāt know where those posts or conversation went though.
So, I have a MSI MAG321UP 165hz monitor which has G-Sync VRR etc.
What settings do I need to enable in RA when using the CRT-Beam Simulation shader?, do I need to leave VSync on when using this shader or can I disable VSync and enable the Sync to Exact Content Framerate (G-Sync, FreeSync)?
What about latency settings like Auto Frame Delay and Run-Ahead are these ok to enable when using the CRT-Beam Simulator shader?
vsync ON, sync to exact content framerate OFF (at least to start; you can try it later), set your monitor refresh rate to 120 Hz and set the subframe setting in RetroArch to 2 - 120 Hz.
I believe subframes are incompatible with auto-frame-delay but runahead should be fine.
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Thatās great thanks.
I actually had to disable G0Sync from Nvidia control panel to get the shader to work correctly as i wasnāt see any noticeable improvement.
I have notice that i can see a very very faint sync line rolling up the screen slowly with the shader enabled is there away to improve that or is it just a by product of this shader (the screen brightness is perfect)?
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Yeah I stopped using it as I have this rolling black band effect happening too. The distraction from that outweighed any benefit in clarity I was seeing.
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I didnāt have the black band when I used it (at 120) but Iām wondering if it will work better once itās integrated in Mega Bezel?
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I am hoping so. I only tried at 240, so I could give 120 a shot to see if itās related to that.
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the black band may be related to the monitor doing its own clipping/black crush.
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In order to be able to use the shader (otherwise, there is simply no effect, it looks as if there is no shader enabled), i have to disable vsync in Nvidia control panel. Is this supposed to be the case? It also looks quite bad, with several bands moving and flickering across the screen.
Also, the regular Black Frame Insertion setting does seem to work at reducing motion blur, although for this setting i need to have vsync set to on in Nvidia settings.