>>108823504
Syntax
bool SDL_SetRenderVSync(SDL_Renderer *renderer, int vsync);
Function Parameters
SDL_Renderer * renderer the renderer to toggle.
int vsync the vertical refresh sync interval.
Remarks
When a renderer is created, vsync defaults to
SDL_RENDERER_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.
Hopefully your refresh rate is some multiple of 60