Please show off what crt shaders can do!

[Cyber]

@RetroGames4K

Wow!. That really looks really good.

Thanks @RetroGames4K! That was something I was experimenting with a very long time ago that I decided I would share with the community.

It’s probably a good idea to test your presets with video as well as games because you might notice things that you otherwise might have missed using games alone.

If only the FFMPEG core could work as well as something like MPC-HC/LAV Filters.

I think we’re lacking a bit in the video playback category. Hopefully at some point someone can give it an overhaul or develop a new video playback core that just works like any other normal media player.

[Nesguy]

That’s damn near a 50/50 split. Mission accomplished.

[hunterk]

ha, I guessed correctly just based on the blue-push in the second pic that always happens to photos of CRTs. I’m glad to see so many people guessing wrong over silly stuff like curvature and reflections

[sonkun]

Now that my latest shader pack has been released I can stop tweaking for a bit and go back to just enjoying some games. First game I chose was Ninja Gaiden for Sega Master System, cool little game and challenging as hell. I took shots of each stage all the way up to the final boss battle. Preset used: Shadow Mask ntsc 3-phase neutral.

[RetroGames4K]

How do I test videos?

[Cyber]

You can download the FFMPEG Core and load them up using the Load Content Menu.

In my experience, compatibility has been hit or miss though.

You can also use the new WindowCast Core.

Official release thread for WindowCast core

WindowCast for Libretro (formerly WGC Window Capture) Libretro core to capture the contents of another window for video processing. This is useful, for say, capturing the output of a standalone emulator (like xemu, Dolphin standalone, RPCS3 or PCSX2 nightlies) or a PC game running in a window and then processing it with RetroArch’s shader stack. Here’s an example of the core in action, capturing Dead Cells (image courtesy of HyperspaceMadness). [MegaBezel-deadcells1] Download I plan to event…

[RetroGames4K]

Can Find FFMPEG Core in Retroarch, also I don’t know how to make windowcast work. I tried it, also read the description, but still doesn’t work.

[RetroGames4K]

@RetroGames4K

Can Find FFMPEG Core in Retroarch, also I don’t know how to make windowcast work. I tried it, also read the description, but still doesn’t work.

I managed to make FFMPG work. This is how it looks…

[Cyber]

@RetroGames4K

I don’t know how to make windowcast work.

It’s a bit tricky sometimes. You can try posting in the thread and see if you can get some assistance or following what seemed to work for others.

@RetroGames4K

I managed to make FFMPG work.

Excellent!

@RetroGames4K

This is how it looks…

Wow! Impressive!

[Nesguy]

RGB-360-TVL

NTSC-360-TVL

GitHub - Patrickdroid/Retroarch-Shaders

[GPDP1]

Have you considered adding the smallest smidge of glow/magic glow? Using the negative values, from what I can see, very subtly lights up the mask phosphors even in pitch black areas, much like a real CRT would. Not sure if that would fit with the look you’re going for, but it came to mind looking at your pics above, which look great, but I was drawn to the black square area in the bottom left part of the pic, which is entirely devoid of anything, so it stands out a bit IMO. Adding that teensy bit of glow might be interesting. Just saiyan.

[Nesguy]

I actually did add a bit (0.01), but it’s only noticeable in certain situations. Here’s what it looks like currently:

And here’s with -0.01

[GPDP1]

Yeah, you can barely see it. Maybe increase the radius a bit?

[Cyber]

@GPDP1

Using the negative values, from what I can see, very subtly lights up the mask phosphors even in pitch black areas, much like a real CRT would.

@GPDP1

Adding that teensy bit of glow might be interesting. Just saiyan.

It’s very interesting that you would mention this at this time because this is exactly one of the things I’ve been working on over the past 24 hours.

I also came full circle while playing around with some of the mask settings and ended up making a new Trinitron preset and couldn’t help but admire those pronounced and uninterrupted scanline dynamics once again.

The Magic Glow seems to help with transitions as well, giving a nice taper to the vertical edges of the phosphors allowing them to fade out more gradually and gracefully.

If you zoom in on these screenshots and focus on brighter graphical elements you can see this especially where they meet darker backgrounds.

Don’t forget to take in the scanline dynamics while you’re at it.

[DariusG]

Tried gdv-mini with grade as 1st pass (hue, color temp, color profiles, contrast etc) and it can look really good.

[sonkun]

Grade is such a sexy shader

[Nesguy]

Nicely balanced. Settings for these shots?

Is this at 4x or 5x scale?

[DariusG]

Well the original DOS game size is 320x200 so it is scaled 5.4 times to fill 1080p.

   shaders = "2"
    feedback_pass = "0"
    shader0 = "shaders_slang/misc/shaders/grade.slang"
    wrap_mode0 = "clamp_to_border"
    mipmap_input0 = "false"
    alias0 = ""
    float_framebuffer0 = "false"
    srgb_framebuffer0 = "false"
    scale_type_x0 = "source"
    scale_x0 = "1.000000"
    scale_type_y0 = "source"
    scale_y0 = "1.000000"
    shader1 = "shaders_slang/crt/shaders/crt-gdv-mini.slang"
    wrap_mode1 = "clamp_to_border"
    mipmap_input1 = "false"
    alias1 = ""
    float_framebuffer1 = "false"
    srgb_framebuffer1 = "false"
    scale_type_x1 = "viewport"
    scale_x1 = "1.000000"
    scale_type_y1 = "viewport"
    scale_y1 = "1.000000"
    g_crtgamut = "-4.000000"
    g_space_out = "1.000000"
    g_hue_degrees = "-3.000000"
    g_I_SHIFT = "0.020000"
    g_Q_SHIFT = "0.010000"
    g_vstr = "45.000000"
    g_cntrst = "-0.150000"
    brightboost = "1.500000"
    sat = "1.300000"
    beam_min = "1.600000"
    h_sharp = "2.400000"
    shadowMask = "9.000000"
    warpX = "0.020000"
    warpY = "0.040000"
    textures = "SamplerLUT1;SamplerLUT2"
    SamplerLUT1 = "shaders_slang/crt/shaders/guest/advanced/lut/trinitron-lut.png"
    SamplerLUT1_wrap_mode = "clamp_to_border"
    SamplerLUT1_mipmap = "false"
    SamplerLUT2 = "shaders_slang/crt/shaders/guest/advanced/lut/inv-trinitron-lut.png"
    SamplerLUT2_wrap_mode = "clamp_to_border"
    SamplerLUT2_mipmap = "false"

[DariusG]

360 and 540 TVL. Shouldn’t the scanlines be thinner too if 540 TVL?

[Nesguy]

If by scanlines you’re referring to the visible lines, then yeah, they’re thinner on higher TVL displays.