man SDL_GL_GetAttribute (Fonctions bibliothèques) - SDL_GL_GetAttribute- Get the value of a special SDL/OpenGL attribute
NAME
SDL_GL_GetAttribute- 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.
SEE ALSO
SDL_GL_SetAttribute, GL Attributes