###### (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_RenderFillRect Fill a rectangle on the current rendering target with the drawing color at subpixel precision. ## 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_RenderFillRect(SDL_Renderer *renderer, const SDL_FRect *rect); ``` ## Function Parameters | | | | ---------------- | -------------------------------------------------------------------------------- | | **renderer** | The renderer which should fill a rectangle. | | **rect** | A pointer to the destination rectangle, or NULL for the entire rendering target. | ## Return Value Returns 0 on success, or -1 on error ## Version This function is available since SDL 3.0.0. ## See Also * [SDL_RenderFillRects](SDL_RenderFillRects) ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryRender](CategoryRender)