###### (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_GetRenderVSync Get VSync of the given renderer. ## Syntax ```c int SDL_GetRenderVSync(SDL_Renderer *renderer, int *vsync); ``` ## Function Parameters | | | | ---------------- | --------------------------------------------------------------------- | | **renderer** | The renderer to toggle | | **vsync** | an int filled with 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. ## Related Functions * [SDL_SetRenderVSync](SDL_SetRenderVSync) ---- [CategoryAPI](CategoryAPI)