Changes

Image adjustment shaders allow you to adjust the color levels of an image, including gamma, luminance, contrast, saturation, etc., for personal preference, accuracy, or compensating your display. Very often, these are used alongside other shaders. There are also [https://github.com/Monroe88libretro/common-shaders/tree/color-lcdmaster/handheld/shaders/color-lcd shaders] that simulate the color profiles of specific displays, such as the GBA or DS.