I take this opportunity to make a request to @guest.r : first of all I apologize in advance for my insistence, but the enthusiasm as a child is so much in me when it comes to RetroGaming, never like now that I’ve found what I was looking for. I wanted to ask you the courtesy of sharing your personal presets with us, especially the one you use for the Crt-Guest-HD and the CRT-Guest-NTSC, and if you had made any updates to the preset you shared with us, the Crt-Guest- Advance, to share precisely that too. You would make me happy, and many of us less geeks would already have a superlative starting point with which to play with your work. I would be very grateful to you, and thank you always for what you do.
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I wanted to mention that these settings can be entered into HSM Mega Bezel Shaders that use GDV pass.
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can you just explain me how to do ? i would like to give a try … even if i worried all theses bezel effect is too distracting to be focus on the game lol (and i’m not sure my laptop has enough ressources… (11th i5 1145g7 + 16go ram gpu intel iris XE)
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Change the first pass, the reference, to the position of the HSM shader you need (just use the GDV), and remove the “warpx” and “warpy” passes from the code.
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The shaders can be found in the folder shader_slang/Bezel/Presets/Base_CRT_Presets/… Choose the one you think is appropriate and supported by your PC, I use the Potato_GDV. Of course update everything first, HyperspaceMadness just did an update including the latest Guest GDV features.
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Most of the time i use test presets to develop and tune new features, but can post some of them…
NTSC Arcade (use with crt-guest-advanced-ntsc preset):
ntsc_scale = "1.999999"
m_glow = "1.000000"
m_glow_cutoff = "0.250000"
m_glow_dist = "1.250000"
glow = "0.450000"
bloom = "0.550000"
halation = "0.200000"
gamma_c = "1.250000"
shadowMask = "9.000000"
maskstr = "1.000000"
slotmask = "1.000000"
slotmask1 = "1.000000"
slotwidth = "3.000000"
double_slot = "2.000000"
Standard version hi-res content preset (featuring magic glow):
GAMMA_INPUT = "3.249999"
gamma_out = "3.149999"
interm = "5.000000"
downsample_levelx = "0.600000"
downsample_levely = "0.500000"
m_glow = "1.000000"
m_glow_cutoff = "0.180000"
m_glow_high = "4.000001"
m_glow_dist = "0.600000"
SIZEH = "12.000000"
SIGMA_H = "3.999999"
SIZEV = "12.000000"
SIGMA_V = "3.999998"
glow = "0.700000"
bloom = "0.250000"
mask_bloom = "0.350000"
bloom_dist = "1.000000"
gamma_c = "1.200000"
brightboost1 = "1.000000"
shadowMask = "9.000000"
maskstr = "1.000000"
slotmask = "1.000000"
slotmask1 = "1.000000"
slotwidth = "3.000000"
double_slot = "2.000000"
deconrr = "0.750000"
deconrb = "-0.750000"
deconrry = "0.750000"
deconrby = "-0.750000"
Ofc. you can tweak it a bit more to your liking…
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ok i willl try 
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Guest as well as very good you are very kind, I will try them as soon as possible, thank you very much.
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Before even modifying some parameters, try to use the slotmask mitigation feature, you have to change the last value from 0 to 1
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Here’s a test with your NTSC preset and some of my small modifications, as soon as I have time I’ll study your presets better, thank you very much.
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Here is a screenie of a standard version ‘hd’ preset:
I’m quite pleased with it, at least with Castlevania PSX.
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it’s wonderful ! You’re a wizard, it’s crazy what your job can do. Thank you
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i tried but no real difference… i think it’s more about the gamma… and some other stuff… after the waouh effect i think the glow is too strong for my taste… so i prefer my “modern” looking preset even if you result has some better improvment… specially about the slotmask i guess. (i’m a noob) your preset
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Interesting look. I generally like it sharper, but I’m also warming up to no scanlines and just mask in certain situations.
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this is the compare between my preset and the actual we are speaking. certainy mine is less accurate but more charming eyes 
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You could do one last test with that preset, raising the color temperature, and halving the Bloom and Glow values. Here is the result
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really the result of the mask is awesome… jsut not enought punchy for my taste about color
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Your preset is not bad, but I prefer to try to calibrate the guest ones, and maybe I’m on the right track. Tomorrow I await your feedback on these settings. If you want you can also try the color temperature at - 30.00. Not at all, I do it with pleasure.