Set up an OpenGL context for rendering into an OpenGL window.
int SDL_GL_MakeCurrent(SDL_Window * window, SDL_GLContext context);
|window||the window to associate with the context|
|context||the OpenGL context to associate with the window|
Returns 0 on success or a negative error code on failure; call SDL_GetError() for more information.
The context must have been created with a compatible window.
This function is available since SDL 2.0.0.