###### (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. ## Header File Defined in [](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_render.h) ## Syntax ```c int SDL_GetRenderVSync(SDL_Renderer *renderer, int *vsync); ``` ## Function Parameters | | | | ---------------- | ----------------------------------------------------------------------------------------------------------------------------------------- | | **renderer** | The renderer to toggle | | **vsync** | an int filled with the current vertical refresh sync interval. See [SDL_SetRenderVSync](SDL_SetRenderVSync) for the meaning of the value. | ## 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_SetRenderVSync](SDL_SetRenderVSync) ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryRender](CategoryRender)