###### (This is the documentation for SDL3, which is under heavy development and the API is changing! [SDL2](https://wiki.libsdl.org/SDL2/) is the current stable version!) # SDL_SetRenderVSync Toggle VSync of the given renderer. ## Header File Defined in [SDL_render.h](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_render.h), but apps should use `#include ` ## Syntax ```c int SDL_SetRenderVSync(SDL_Renderer *renderer, int vsync); ``` ## Function Parameters | | | | ---------------- | -------------------------------------------------- | | **renderer** | The renderer to toggle | | **vsync** | 1 for on, 0 for off. All other values are reserved | ## Return Value Returns 0 on success or a negative error code on failure; call [SDL_GetError](SDL_GetError)() for more information. ## Version This function is available since SDL 3.0.0. ## See Also * [SDL_GetRenderVSync](SDL_GetRenderVSync) ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction)