---
name: "SDL_GetRenderOutputSize"
section: "3"
platform: "linux"
package: "libsdl3-doc"
version: "3.2.10+ds-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/SDL_GetRenderOutputSize"
---

# SDL\_GetRenderOutputSize(3)

Get the output size in pixels of a rendering context.

## NAME

SDL\_GetRenderOutputSize - Get the output size in pixels of a rendering context.

## HEADER FILE

Defined in SDL3/SDL\_render.h

## SYNOPSIS

```
#include "SDL3/SDL.h"
```

**bool SDL\_GetRenderOutputSize(SDL\_Renderer \*renderer, int \*w, int \*h);**

## DESCRIPTION

This returns the true output size in pixels, ignoring any render targets or logical size and presentation.

For the output size of the current rendering target, with logical size adjustments, use

**SDL\_GetCurrentRenderOutputSize** () instead.

## FUNCTION PARAMETERS

- *renderer*

  the rendering context.

- *w*

  a pointer filled in with the width in pixels.

- *h*

  a pointer filled in with the height in pixels.

## RETURN VALUE

Returns true on success or false on failure; call

**SDL\_GetError** () for more information.

## THREAD SAFETY

This function should only be called on the main thread.

## AVAILABILITY

This function is available since SDL 3.2.0.

## SEE ALSO

**•**(3), [**SDL\_GetCurrentRenderOutputSize**(3)](/SDL_GetCurrentRenderOutputSize/3.md)