Provided by: libsdl3-doc_3.2.20+ds-2_all 

NAME
SDL_HAPTIC_GAIN - Device can set global gain.
SYNOPSIS
#include <SDL3/SDL_haptic.h>
#define SDL_HAPTIC_GAIN (1u<<16)
DESCRIPTION
Device supports setting the global gain.
AVAILABILITY
This macro is available since SDL 3.2.0.
SEE ALSO
SDL_SetHapticGain(3)
Simple Directmedia Layer SDL 3.2.20 SDL_HAPTIC_GAIN(3)