---
name: "SDL_UnlockSurface"
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_UnlockSurface"
---

# SDL\_UnlockSurface(3)

Release a surface after directly accessing the pixels.

## NAME

SDL\_UnlockSurface - Release a surface after directly accessing the pixels.

## HEADER FILE

Defined in SDL3/SDL\_surface.h

## SYNOPSIS

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

**void SDL\_UnlockSurface(SDL\_Surface \*surface);**

## FUNCTION PARAMETERS

- *surface*

  the  **SDL\_Surface**\
    structure to be unlocked.

## THREAD SAFETY

This function is not thread safe. The locking referred to by this function is making the pixels available for direct access, not thread-safe locking.

## AVAILABILITY

This function is available since SDL 3.2.0.

## SEE ALSO

**•**(3), [**SDL\_LockSurface**(3)](/SDL_LockSurface/3.md)