SDL_GetGammaRamp (3) Linux Manual Page
SDL_GetGammaRamp – Gets the color gamma lookup tables for the display
Synopsis
#include "SDL.h" int SDL_GetGammaRamp(Uint16 *redtable, Uint16 *greentable, Uint16 *bluetable);
Description
Gets the gamma translation lookup tables currently used by the display. Each table is an array of 256 Uint16 values. Not all display hardware is able to change gamma.
