NAME

       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.

RETURN VALUE

       Returns -1 on error.

SEE ALSO

       SDL_SetGamma SDL_SetGammaRamp