###### (This is the legacy documentation for SDL2, the previous stable version; [SDL3](https://wiki.libsdl.org/SDL3/) is the current stable version.)
# SDL_GL_MakeCurrent

Set up an OpenGL context for rendering into an OpenGL window.

## Header File

Defined in [SDL_video.h](https://github.com/libsdl-org/SDL/blob/SDL2/include/SDL_video.h)

## Syntax

```c
int SDL_GL_MakeCurrent(SDL_Window * window,
                       SDL_GLContext context);
```

## Function Parameters

|                                |             |                                                  |
| ------------------------------ | ----------- | ------------------------------------------------ |
| [SDL_Window](SDL_Window) *     | **window**  | the window to associate with the context.        |
| [SDL_GLContext](SDL_GLContext) | **context** | the OpenGL context to associate with the window. |

## Return Value

(int) Returns 0 on success or a negative error code on failure; call
[SDL_GetError](SDL_GetError)() for more information.

## Remarks

The context must have been created with a compatible window.

## Version

This function is available since SDL 2.0.0.

## See Also

- [SDL_GL_CreateContext](SDL_GL_CreateContext)

----
[CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryVideo](CategoryVideo)