Overlay for running GPU shaders on top of Windows desktop and Linux/Wine.Featuresapplies shader effects on top of desktop, in a floating window or full-screenbuilt-in RetroArch shader library (1200+ shaders!) covering:CRT monitor simulationimage upscalingTV, VHS and handheld simulationsoftening, denoising, blur, sharpen and many moreworks 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 previewyou can even use it on top of YouTube, Twitch or modern gamessaving and loading profilesimport of external .slangp/.slang shadershigh customizability with various options, operating modes and shader parameterscan be captured by OBS (using Game Capture source)Please refer to the manual for option explanation and tips on tuning to achieve best effects.