Overlay for running GPU shaders on top of Windows desktop.

Features

• applies shader effects on top of desktop, in a floating window or full-screen

• built-in RetroArch shader library (1200+ shaders!) covering:

  • CRT monitor simulation

  • image upscaling

  • TV, VHS and handheld simulation

  • softening, denoising, blur, sharpen and many more

• works with most emulators, retro platforms and pixel art editors including:

  • DOSBox, FS-UAE, Altirra, ScummVM, AGS, VICE, Aseprite etc.

• excellent companion for pixel art showing shaded and/or aspect-ratio corrected preview

• you can even use it on top of YouTube, Twitch or modern games

• saving and loading profiles

• import of external .slangp/.slang shaders

• high customizability with various options, operating modes and shader parameters

• can be captured by OBS (using Game Capture source)

Please refer to the manual for option explanation and tips on tuning to achieve best effects.