You just run a game in MAME with hlsl enabled (filter off) and they'll be used appropriately. You can see all the presets in ini/presets and you can add your own as SET_NAME.ini or even DRIVER.ini, e.g. msx.ini for custom hlsl settings all MSX systems.
The raster preset is bad though, because it crushes whites and alters the colors in a gross way. You can say it looks like a CRT that's been sitting in a bar since the Raiders won the Super Bowl, but if you look at a color ramp test pattern (e.g. mk2) you can see it's not really representative of any TV or monitor. All right I'm just rambling, but basically don't bother with the color matrices. The colors for these games are good. I wanted to write a tutorial about how to maximize contrast with bloom (because shadow mask and scanlines darken the picture) so you don't crush blacks or whites, but really it's just a matter of checking the output of test signals so you can see how things look at the extremes.
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Re: Is there any way to effectively reduce screen tearing/flickering?
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