SDL_GL_GetAttribute(3) Get the value of a special SDL/OpenGL attribute

SYNOPSIS

#include "SDL.h"

int SDL_GL_GetAttribute(SDLGLattr attr, int *value);

DESCRIPTION

Places the value of the SDL/OpenGL attribute attr into value. This is useful after a call to SDL_SetVideoMode to check whether your attributes have been set as you expected.

RETURN VALUE

Returns 0 on success, or -1 on an error.