SDL_GetGammaRamp (3)
NAME
SDL_GetGammaRamp - Gets the color gamma lookup tables for the displaySYNOPSIS
#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.
RETURN VALUE
Returns -1 on error.
SEE ALSO
SDL_SetGamma SDL_SetGammaRamp