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Sortix nightly manual

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SDL_GetGammaRamp(3)

SDL API Reference

SDL_GetGammaRamp(3)

NAME

SDL_GetGammaRamp - Gets the color gamma lookup tables for the display

#include "SDL.h"

int SDL_GetGammaRamp(Uint16 *redtable, Uint16 *greentable, Uint16 *bluetable);

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.

Returns -1 on error.