Not to mention 99% of people were playing them using composite or RF cables. But that's not "retro", games didn't look that way back then. So when they make those "Retro style" games, they go for the pixelly, sharp look. Most of them are young and probably never played old games on CRTs. These clean pixels are kinda like having a peak at the backstage area, if that makes any sense.Īnd that's the big issue with many indie developers. Without it you just see the sharp, raw pixels that you weren't really supposed to see. Developers made the graphics so when the CRT displays them, they appear as intended. Hope that helpsĬlick to expand.Obviously CRT TVs were smaller and the distance between us was usually larger.īut if this is an issue, you can always scale the image at half of it's size and have some black borders around the screen or increase your distance.įact is, if you want the art to be authentic, a good CRT shader is the final graphics layer that brings all of it together. I'm not an expert in this stuff but AT ALL btw, I just learned it by doing. There will probably be a bunch you don't want to compare though and have to scroll through to get to the ones you want so when you find the ones you like, even if you don't modify them, save them all to the same folder (it will save them in the shader root be default anyway) and now pressing n and m will only cycle those ones you saved/want to see. If you press "n" and "m" you will cycle up and down the shaders/shader presets in the folder your current preset is in, so you can load, say, the Kurozumi preset from the presets folder and then go back to the game and press n/m to cycle through and compare that with the rest of the presets in that folder quickly while staying in-game. Here is what I did to compare different shaders: If there is one that says something like "CRT" or "Game" gamma then I don't think you need to touch that one though. On some shaders, one of the shader parameters near the top will be labelled like "monitor/display/output gamma" and ideally that should be set to your displays gamma I think. I believe as long as your display is set up properly and can auto detect the right colour space (it should) the default settings should be fine, it looked great in Super Metroid and Super Mario World for me just there on a display mode calibrated to 2.4 gamma. Or you can save it when you've made some changes you are happy with and then if you keep tweaking and goose it up you can reload your own modification of the preset to save starting from scratch. That might seem obvious but that folder was always empty for me because I was running OpenGL, the ".slangp" presets will only show up when you are using the Vulkan API so I thought that presets folder was just an empty folder for me to save my own presets in.Ĭonfiguring a preset or default shader is the same, you go "Shader Parameters" and change what you want, if you press spacebar it will reset to the default in case you mess it up, but bear in mind thats the shader default so if you are using the kurozumi preset then it will go back to the CRT-Royale default and not the Kurozumi default, just reload the Kurozumi preset and it will be at default again. Second, the shaders themselves are in "crt" folder but thats just the default versions, go back up one folder and go into "presets" and you'll find the Kurozumi preset. Still not sure why Mupen on default settings was adding these black bands top and bottom whereas Parallel-N64 wasn’t (maybe some technicality with vulkan driver?) but I’d wanted to use the Mupen core as I understand from the blog posts that it’s the way forward and the image and general performance did seem better to me.I figured out a couple of things since my previous message:įirst you have to set the renderer/API to Vulkan to use "slang" shaders which is the form the CRT-Royale Kurozumi preset shader is in. slang variant of this shader and setting the Horizontal and Vertical Overscan % values to 2.00 and 17.00 respectively has pretty much completely removed the black bands from the top and bottom, without any visible cropping of the image, far as I can see I know this is an older thread but this setting is still relevant and has helped me ‘fix’ my Mario Kart 64 settings in Mupen, as I couldn’t find any appropriate aspect ratio options for the core. Once you apply it, though, you can go into the parameters and adjust whatever you want, including zoom
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