sdl_gl_swapbuffers(3) - Linux man page
Name
SDL_GL_SwapBuffers - Swap OpenGL framebuffers/Update DisplaySynopsis
#include "SDL.h"
void SDL_GL_SwapBuffers(void );
Description
Swap the OpenGL buffers, if double-buffering is supported.
See Also
SDL_SetVideoMode, SDL_GL_SetAttribute