SDL_DisplayMode

typedef struct SDL_DisplayMode {  SDL_DisplayID displayID; /**< the display this mode is associated with */  SDL_PixelFormat format; /**< pixel format */  int w; /**< width */  int h; /**< height */  float pixel_density; /**< scale converting size to pixels (e.g. a 1920x1080 mode with 2.0 scale would have 3840x2160 pixels) */  float refresh_rate; /**< refresh rate (or 0.0f for unspecified) */  int refresh_rate_numerator; /**< precise refresh rate numerator (or 0 for unspecified) */  int refresh_rate_denominator; /**< precise refresh rate denominator */   SDL_DisplayModeData *internal; /**< Private */  } SDL_DisplayMode;