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

OpenGL configuration attributes

## Header File

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

## Syntax

```c
typedef enum SDL_GLattr
{
    SDL_GL_RED_SIZE,
    SDL_GL_GREEN_SIZE,
    SDL_GL_BLUE_SIZE,
    SDL_GL_ALPHA_SIZE,
    SDL_GL_BUFFER_SIZE,
    SDL_GL_DOUBLEBUFFER,
    SDL_GL_DEPTH_SIZE,
    SDL_GL_STENCIL_SIZE,
    SDL_GL_ACCUM_RED_SIZE,
    SDL_GL_ACCUM_GREEN_SIZE,
    SDL_GL_ACCUM_BLUE_SIZE,
    SDL_GL_ACCUM_ALPHA_SIZE,
    SDL_GL_STEREO,
    SDL_GL_MULTISAMPLEBUFFERS,
    SDL_GL_MULTISAMPLESAMPLES,
    SDL_GL_ACCELERATED_VISUAL,
    SDL_GL_RETAINED_BACKING,
    SDL_GL_CONTEXT_MAJOR_VERSION,
    SDL_GL_CONTEXT_MINOR_VERSION,
    SDL_GL_CONTEXT_EGL,
    SDL_GL_CONTEXT_FLAGS,
    SDL_GL_CONTEXT_PROFILE_MASK,
    SDL_GL_SHARE_WITH_CURRENT_CONTEXT,
    SDL_GL_FRAMEBUFFER_SRGB_CAPABLE,
    SDL_GL_CONTEXT_RELEASE_BEHAVIOR,
    SDL_GL_CONTEXT_RESET_NOTIFICATION,
    SDL_GL_CONTEXT_NO_ERROR,
    SDL_GL_FLOATBUFFERS
} SDL_GLattr;
```

## Code Examples

```c
extern SDL_Window *window;

SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_CreateContext(window);
```

----
[CategoryAPI](CategoryAPI), [CategoryAPIEnum](CategoryAPIEnum), [CategoryEnum](CategoryEnum), [CategoryVideo](CategoryVideo)