###### (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_SetRenderViewport Set the drawing area for rendering on the current target. ## Syntax ```c int SDL_SetRenderViewport(SDL_Renderer *renderer, const SDL_Rect *rect); ``` ## Function Parameters | | | | ---------------- | ------------------------------------------------------------------------------------------------------------------ | | **renderer** | the rendering context | | **rect** | the [SDL_Rect](SDL_Rect) structure representing the drawing area, or NULL to set the viewport to the entire target | ## 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_GetRenderViewport](SDL_GetRenderViewport) * [SDL_RenderViewportSet](SDL_RenderViewportSet) ---- [CategoryAPI](CategoryAPI)