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Shader Presets are combinations of one or more shaders. The Shader Chain which is a stack of shader passes each one pointing to a specific shader file.<ref>[https://docs.libretro.com/guides/shaders/#shader-presets Libretro docs: Shaders]</ref> There is a misconception about shaders; Generally, you really can't copy+paste shaders between two different programs even if they support same extension like .glsl, not unless they know how their shaders are structured and what kind of input they need and output they give.<ref>[https://forums.dolphin-emu.org/Thread-possible-to-create-a-ntsc-s-video-shader-for-dolphin?pid=450879#pid450879 Shonumi's comment about shader extensions and using with different programs]</ref>
;Before diving in;
;*Some of the [[Shader Presets]] mentioned below include [[shaders and filters]] that are already available as enhancement/adjustment option (such as [https://www.nvidia.com/content/Control-Panel-Help/vLatest/en-us/mergedProjects/nvdsp/To_use_Digital_Vibrance_to_make_your_desktop_colors_richer.htm digital vibrance]) in your [https://www.pcgamingwiki.com/wiki/Category:Graphics_Adaptor GPU driver control panel] or from your digital [[displays|display]] OSD. Some of those things may cause color clipping, exposure issues (due to using excessive digital adjustments to image) and [[Input lag]]. It's recommended to avoid usage of color or excessive image options/filters. But you can use [[Displays|analog device/CRT]]'s OSD adjustments. Another proper option for this using the RTX Dynamic Vibrance option (See [[Shaders and filters#AI-powered filters]]) to avoid color crashing and top of that using a HDR device with [[High_dynamic_range#Inverse_tone_mapping|Inverse tone mapping]].
==RetroArch/Libretro==
*[[Shaders_and_filters|Shaders and filters]]
*[[NTSC_filters|NTSC filters]]
*[[High dynamic range]] (HDR)
==External Links==
