Dithering 1440p
Crops with a size of 280×280 from 1440p screenshots, of 10 different Shaders in the “dithering”-directory. Plus nearest and bilinear for reference and 2 presets from “presets”-directory. Dithering was often used in old games to trick you in seeing more colors or transparency effects in example. These Shaders here try to handle them and are meant to be combined with other Shaders. Bar Lights will show how it handles transparency. However there might be sideeffects, here illustrated on the letter “X” in SMW.
Scene: Streets of Rage 2 #Bar Lights
Streets of Rage 2 (USA) on Genesis / Mega Drive. The crop is from main character standing halfway under the lights. Most notably the pseudo transparency effect from the lights is the main test here.

Imgsli is an external service with the ability to zoom in and change the images to compare. I’ve uploaded sets with fullscreen captures.
- Dithering 1440p Set 1 Full Images on Imgsli:
cbod_v1, checkerboard-dedither, g-sharp_resampler, gdapt, gendither, jinc2-dedither, mdapt, ps1-dedither-boxblur, sgenpt-mix, sgenpt-mix-multipass, crt-hyllian-smartblur-sgenpt, tvout-jinc-sharpen


| vs |
bilinear


| vs |
dithering/checkerboard-dedither


| vs |
dithering/gdapt


| vs |
dithering/jinc2-dedither


| vs |
dithering/ps1-dedither-boxblur


| vs |
dithering/sgenpt-mix-multipass


| vs |
presets/tvout/tvout-jinc-sharpen
Scene: Super Mario World #World Map
Super Mario World (USA) on SNES. The crop is showing the “X” multiplier and Mario in the top corner of the world map.

Imgsli is an external service with the ability to zoom in and change the images to compare. I’ve uploaded sets with fullscreen captures.
- Dithering 1440p Set 2 Full Images on Imgsli:
cbod_v1, checkerboard-dedither, g-sharp_resampler, gdapt, gendither, jinc2-dedither, mdapt, ps1-dedither-boxblur, sgenpt-mix, sgenpt-mix-multipass, crt-hyllian-smartblur-sgenpt, tvout-jinc-sharpen


| vs |
bilinear


| vs |
dithering/checkerboard-dedither


| vs |
dithering/gdapt


| vs |
dithering/jinc2-dedither


| vs |
dithering/ps1-dedither-boxblur


| vs |
dithering/sgenpt-mix-multipass


| vs |
presets/tvout/tvout-jinc-sharpen

What a fantastic series! Have you done a similar series for the NES, Sega Master System, and Sega Genesis/Mega Drive? I would love to see the comparisons between those consoles and emulators of said consoles!
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Thank you. Right, the variety on systems (especially handhelds) is something that is missing. I had to limit to a few scenes here, because I made a screenshot for every Shader Preset (690) 4 times for each resolution. With future articles I will focus on more systems rather than covering all Shaders.
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Amazing post with everything weel explained!
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Very useful post, thank you! Any chance you’ve uploaded the whole picture set somewhere?
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At the time of posting, the Internet Archive was broken.
Edit:
Never mind, I finally managed to upload them all to the Internet Archive: https://archive.org/details/showcase_for_retroarch_shaders_2024_screenshot_sets_202504
If you experience slow downloads, using a VPN set to the US might help. That’s because the Internet Archive throttles download and upload speeds to outside the US.
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