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Thanks Soltan, that sounds promising

Thank you SoltanGris42 for the info and indeed, it would be nice to have crt-geom, it became a very popular shader among MAME users.

Ok, I took a shot at it.

I didn't try to make smart decisions about the best way to do anything. Just mindlessly fixed whatever the compiler was complaining about.

And even though the opengl version looked fine, the dx versions produced incorrect output with the matrix/vector multiplication and so I switched it to separate multiplications.

I also added in a magenta/green striped aperture mask just because I thought it was a standard feature in most crt-geom versions floating around the internet. And I added a slider to turn off the effect. I hope cgwg doesn't mind...

The file I'm uploading has a bgfx folder to merge with the one in the MAME folder that includes the chain/effect/binary shaders and a separate folder with the modified source.

Here you go: http://filebin.ca/2kEIhx4PExYW/crt-geom_bgfx_modified.zip

Thank you SoltanGris42

Thank cgwg! I looked at crt-geom when Moogly first added the bgfx system and decided it would be a PITA to port to bgfx because of the way it used "#define"s for everything.

So it's pretty cool that cgwg just popped up with "Here's a bgfx shader"

Because we wouldn't have had it otherwise unless MooglyGuy went on another shader porting binge.

I'm gonna wait until it is added to the https://github.com/mamedev/mame I have no idea on what I'm doing. Not that smart. No rushing at all.

Nevermind. Keep my mouth shut about removed the HLSL and OpenGL later on.

Well it's actually super simple.

You just need to get the "effect", "chain", and "shader" folder contents in the right place. It's easier than switching GLSL shaders or modifying the json files to change the default shaders. And I know that you've done that stuff.

So you should be able to do it.

Because who knows when or if it will end up in MAME git. I'm not sure what license crt-geom is, or whether JD wants to add every random shader to MAME or not. I think crt-geom would be great to have, personally, because it's got to be the most commonly used of the GLSL shaders and people trying to run HLSL on a potato will have more luck with crt-geom.

Understood SoltanGris42

@Dullaron just extract the archive as SG stated (basically the root of your mame folder)

Then simply run with

Oh ok. I thought I have to compile it first. Working here. Thanks guys.

There should be no problem with the license:



and cgwg always gave us kindly the permission to use it.
i agree with the low-resource statements of crt-geom. it is really a good alternative for low-end setups.