glXQueryHyperpipeAttribSGIX(3G)

NAME
     glXQueryHyperpipeAttribSGIX - query current hyperpipe attributes


C SPECIFICATION
     int glXQueryHyperpipeAttribSGIX( Display *dpy,
                                      int timeSlice,
                                      int attrib,
                                      int size,
                                      void *returnAttribList )


PARAMETERS
     dpy               Specifies the connection to the X server.


     timeSlice         Specifies the timeslice whose attributes are to be
                       queried.


     attrib            Specifies the attribute being queried.


     size              Specifies the size of the attribute block.


     returnAttribList  Pointer to block of memory for attributes.


DESCRIPTION
     glXQueryHyperpipeAttribSGIX is part of the SGIX_hyperpipe extension.

     glXQueryHyperpipeAttribSGIX queries the currently bound hyperpipe for the
     attribute listed in attrib.  attrib is one of the following:

     GLX_PIPE_RECT_SGIX    Queries the subrectangles that constitute the
                           hyperpipe output during timeSlice.  An array of
                           GLXPipeRects will be returned in the memory pointed
                           to by returnAttribList.  There will be one
                           GLXPipeRect per pipe participating in the given
                           timeSlice. returnAttribList should point to a block
                           of memory big enough to hold the GLXPipeRects.

     GLX_PIPE_RECT_LIMITS_SGIX
                           Queries the maximum height and width of the
                           subrectangles of the given timeSlice.

     GLX_HYPERPIPE_STEREO_MODE_SGIX
                           Queries whether the hyperpipe stereo mode is
                           active. returnAttribList should point to an
                           integer, which will be 1 if the mode is active, or
                           0 if it is inactive.
     GLX_HYPERPIPE_PIXEL_AVERAGE_SGIX
                           Queries whether the hyperpipe stereo mode is
                           active. returnAttribList should point to an
                           integer, which will be 1 if the mode is active, or
                           0 if it is inactive.

     glXQueryHyperpipeAttribSGIX works with a direct context only.


RETURN VALUES
     Returns 0 on success.

     Returns GLX_BAD_VALUE if the attribute specified is incorrect, or if one
     or more of the elements specified in the attribute list is incorrect.

     Returns GLX_BAD_HYPERPIPE_SGIX if the hyperpipe bound to the current
     context is invalid or absent.  GLX_BAD_CONTEXT if there is no current
     context, or if the current context is not a direct context.


MACHINE DEPENDENCIES
     glXQueryHyperpipeAttribSGIX is currently supported only on
     InfinitePerformance systems.


SEE ALSO
     glXHyperpipeAttribSGIX glXQueryHyperpipeBestAttribSGIX hyperpipe