Porting from shadertoy to retroarch (GLSL)

RetroArch Additions Shaders
#21

Ohhhh. I was kinda of thinking that’s what you meant but I don’t know what I’m doing really, lol.

Thanks for the help, I’ll try to see what I can do from here.

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#22

Hello there, sorry for necroposting, but I found very promise CRT shader on shadertoy (it have very nice and bright shadowmask and rgb pattern):

https://www.shadertoy.com/view/ls2SRD

I played with images and video there (for video start working you need to fix 79 line of code - delete "-"pos.y) here

return Test(ToLinear(texture(iChannel0,vec2(pos.x,pos.y),-16.0).rgb));}

Could enyone port this shader to retroarch? (My skills in shaders is very poor)

#23

That’s crt-lottes basically, don’t know if it’s an early or later revision of it tbh.

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#24

Thank you to point me to the right way!