Provided by: libsdl1.2-dev_1.2.15+dfsg2-5_amd64
SDL_GL_GetAttribute - Get the value of a special SDL/OpenGL attribute
#include "SDL.h" int SDL_GL_GetAttribute(SDLGLattr attr, int *value);
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.
Returns 0 on success, or -1 on an error.
SDL_GL_SetAttribute, GL Attributes