Install uborder and its packs. And look for spooky.slangp preset.
Sorry guys for the many mistakes I have done with the images posted, then I realised that it didn’t look right, the gamma was inverted apart from minor gamma mistakes that I was mixing too many presets and Iost it a bit. Thanks I could find a game that the saved preset it looked more or less right and I’ve made the changes from there, also I’ve been working most of the time on my mobile device, as I tend to look the errors easily than on a big screen and it’s more difficult to work on, but it’s more easy for detect gamma, brightness and contrast mistakes. I hope this time is the good one 
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No need to apologize or feel pressured, just do it for you first.
Remember, no matter how much time you spend perfecting these things on your setup, no one is going to have the exact experience as you unless they have the same equipment as you and it’s setup the same.
Sometimes it’s tough to choose between more than one setting or adjustment because we might like one more today but then prefer the next one tomorrow.
What I might do is just keep both around because I can finish or improve whenever I feel like it. So keep up the great work and don’t let these things create unnecessary anxiety if there’s a possibility that that might be taking place. Just enjoy your games while you can.
The images look great in the screenshots and when zoomed in. They might look the same or different on another screen or from a distance. That’s just how it is.
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Thanks for your support, you’ve always been there from the beginning and I’ve learned a lot. Sometimes I feel frustrated because I know I’m there, and I don’t want to launch the settings bad. But I’ll wait a bit longer to make sure everything is ok, and as you said not to feel pressured. If I feel pressured, is because myself said: soon I will upload my settings, but I think I’m going to wait a few more days to make sure and not to feel pressured.
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Happy new year to all.
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Should I always use BGR mask instead of RGB, if I have 4k BGR TV?
Here’s two screenshots: 1 - BGR, 2 - RGB
As I look through this thread, I’m pretty sure I have no idea what scanlines really used to look like. I thought I did… but I think I don’t.
CyberLab Megatron miniLED Death To Pixels 4K HDR Shader Preset Pack
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hi tell me do you recommend which brand of screen to use it is HDR shader
The brand of the screen doesn’t matter. Read the first post here for more information.
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Testing out a new preset that emulates slotmask vibes without being a real slotmask to look good on 1080p (Monitor-New_slotmask_rgb.slangp in 1.9.63 release):
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This time a real slotmask. To hide the weird patterns it usually produces at 1080p, instead of just hiding the scanlines, this time I opted for highering their minimum height:
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Hey, you’re a genius man! I really admire your work.
We’re really spoiled for choice here when it comes to shaders.
Take in this video I made with an old 1080p camcorder to try to show what Sony Megatron looks like to me as opposed to how dark it might look in screenshots.
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Thanks, but I wouldn’t say that, since it took me “just” almost 3 years to realize that 
…I’ll probably add a way to koko-aio to lower the slotmask strength depending on the scanline height… still have to find a way that doesn’t impact performance too much.
…and yes, since i’ve got a 1080p 5.5’ oled retroid pocket 5, I’m using less and less mask mitigations too.
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Always thought emulated Super Contra arcade looked like a grey mess compared to the old NES port I used to play back in the days… I was wrong. Thanks to you people who gave us all those shaders and presets to make it look like the idealized CRTs of old we have in our memories. You’re doing for me the equivalent of those audio engineers who digitally recreated the distortion effects of amps that added so much more caracter to music records. I just couldn’t play without now, I even use them in VR.
If you want to test the preset for Guest.r’s shader is available here for 4k, and here for 1080p. Should work with lots of older arcade games of the late 80s, with the shader’s key parameter “raise black value” set to around -60, but YMMV. Played on FBNeo core with vertical mode activated in the core options to get those vertical tate scanlines. This game is hungry for coins, I’ve spent a solid week on it, would have lost a fortune without savestates XD. Next Contra game to beat for me : Hard Corps!
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Hello. Could you please share the shader/preset? I really like the look.