# SDL_RenderFillRectF
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/SDL2/include/SDL_render.h)
## Syntax
```c
int SDL_RenderFillRectF(SDL_Renderer * renderer,
const SDL_FRect * rect);
```
## Function Parameters
| | | |
| ------------------------------ | ------------ | -------------------------------------------------------------------------------- |
| [SDL_Renderer](SDL_Renderer) * | **renderer** | The renderer which should fill a rectangle. |
| const [SDL_FRect](SDL_FRect) * | **rect** | A pointer to the destination rectangle, or NULL for the entire rendering target. |
## Return Value
(int) Return 0 on success, or -1 on error.
## Version
This function is available since SDL 2.0.10.
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[CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryRender](CategoryRender)