GLX_SGIX_hyperpipe
http://oss.sgi.com/projects/ogl-sample/registry/SGIX/hyperpipe_group.txt
	GLX_HYPERPIPE_ID_SGIX 0x8030
	GLX_HYPERPIPE_PIPE_NAME_LENGTH_SGIX 80
	GLX_HYPERPIPE_DISPLAY_PIPE_SGIX 0x00000001
	GLX_HYPERPIPE_RENDER_PIPE_SGIX 0x00000002
	GLX_PIPE_RECT_SGIX 0x00000001
	GLX_PIPE_RECT_LIMITS_SGIX 0x00000002
	GLX_HYPERPIPE_STEREO_SGIX 0x00000003
	GLX_HYPERPIPE_PIXEL_AVERAGE_SGIX 0x00000004
	GLX_BAD_HYPERPIPE_CONFIG_SGIX 91
	GLX_BAD_HYPERPIPE_SGIX 92
	typedef struct {  char pipeName[GLX_HYPERPIPE_PIPE_NAME_LENGTH_SGIX];   int  networkId; } GLXHyperpipeNetworkSGIX;
	typedef struct {  char pipeName[GLX_HYPERPIPE_PIPE_NAME_LENGTH_SGIX];   int channel;   unsigned int participationType;   int timeSlice; } GLXHyperpipeConfigSGIX;
	typedef struct {  char pipeName[GLX_HYPERPIPE_PIPE_NAME_LENGTH_SGIX];   int srcXOrigin;   int srcYOrigin;   int srcWidth;   int srcHeight;   int destXOrigin;   int destYOrigin;   int destWidth;   int destHeight; } GLXPipeRect;
	typedef struct {  char pipeName[GLX_HYPERPIPE_PIPE_NAME_LENGTH_SGIX];   int XOrigin;   int YOrigin;   int maxHeight;   int maxWidth; } GLXPipeRectLimits;
	GLXHyperpipeNetworkSGIX * glXQueryHyperpipeNetworkSGIX (Display *dpy, int *npipes)
	int glXHyperpipeConfigSGIX (Display *dpy, int networkId, int npipes, GLXHyperpipeConfigSGIX *cfg, int *hpId)
	GLXHyperpipeConfigSGIX * glXQueryHyperpipeConfigSGIX (Display *dpy, int hpId, int *npipes)
	int glXDestroyHyperpipeConfigSGIX (Display *dpy, int hpId)
	int glXBindHyperpipeSGIX (Display *dpy, int hpId)
	int glXQueryHyperpipeBestAttribSGIX (Display *dpy, int timeSlice, int attrib, int size, void *attribList, void *returnAttribList)
	int glXHyperpipeAttribSGIX (Display *dpy, int timeSlice, int attrib, int size, void *attribList)
	int glXQueryHyperpipeAttribSGIX (Display *dpy, int timeSlice, int attrib, int size, void *returnAttribList)