SDL_SetWindowSurfaceVSync - Toggle VSync for the window surface.

       This function is available since SDL 3.2.0.

       When a window surface is created, vsync defaults to SDL_WINDOW_SURFACE_VSYNC_DISABLED.

       The vsync parameter can be 1 to synchronize present with every vertical refresh, 2 to synchronize present
       with  every  second  vertical  refresh,  etc.,  SDL_WINDOW_SURFACE_VSYNC_ADAPTIVE  for  late swap tearing
       (adaptive vsync), or SDL_WINDOW_SURFACE_VSYNC_DISABLED to disable. Not every value is supported by  every
       driver, so you should check the return value to see whether the requested setting is supported.

window the window.

       vsync  the vertical refresh sync interval.

       SDL_SetWindowSurfaceVSync - Toggle VSync for the window surface.

       for more information.

SDL_GetWindowSurfaceVSync(3)

Simple Directmedia Layer                           SDL 3.2.20                       SDL_SetWindowSurfaceVSync(3)

#include<SDL3/SDL_video.h>boolSDL_SetWindowSurfaceVSync(SDL_Window*window,intvsync);#defineSDL_WINDOW_SURFACE_VSYNC_DISABLED0#defineSDL_WINDOW_SURFACE_VSYNC_ADAPTIVE(-1)

       This function should only be called on the main thread.