fglutessendpolygon man page on IRIX

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fgluTessEndPolygon(3G)	       OpenGL Reference		fgluTessEndPolygon(3G)

NAME
     fgluTessEndPolygon - delimit a polygon description

FORTRAN SPECIFICATION
     SUBROUTINE fgluTessEndPolygon( CHARACTER*8 tess )

PARAMETERS
     tess  Specifies the tessellation object (created with fgluNewTess).

DESCRIPTION
     fgluTessBeginPolygon and fgluTessEndPolygon delimit the definition of a
     convex, concave or self-intersecting polygon. Within each
     fgluTessBeginPolygon/fgluTessEndPolygon pair, there must be one or more
     calls to fgluTessBeginContour/fgluTessEndContour. Within each contour,
     there are zero or more calls to fgluTessVertex. The vertices specify a
     closed contour (the last vertex of each contour is automatically linked
     to the first). See the fgluTessVertex, fgluTessBeginContour and
     fgluTessEndContour reference pages for more details.

     Once fgluTessEndPolygon is called, the polygon is tessellated, and the
     resulting triangles are described through callbacks.  See
     fgluTessCallback for descriptions of the callback functions.

EXAMPLE
     A quadrilateral with a triangular hole in it can be described like this:

	  gluTessBeginPolygon(tobj, NULL);
	   gluTessBeginContour(tobj);
	     gluTessVertex(tobj, v1, v1);
	     gluTessVertex(tobj, v2, v2);
	     gluTessVertex(tobj, v3, v3);
	     gluTessVertex(tobj, v4, v4);
	   gluTessEndContour(tobj);
	   gluTessBeginContour(tobj);
	     gluTessVertex(tobj, v5, v5);
	     gluTessVertex(tobj, v6, v6);
	     gluTessVertex(tobj, v7, v7);
	   gluTessEndContour(tobj);
	  gluTessEndPolygon(tobj);

									Page 1

fgluTessEndPolygon(3G)	       OpenGL Reference		fgluTessEndPolygon(3G)

     In the above example the pointers, v1 through v7, should point to
     different addresses, since the values stored at these addresses will not
     be read by the tesselator until fgluTessEndPolygon is called.

SEE ALSO
     fgluNewTess, fgluTessBeginContour, fgluTessVertex, fgluTessCallback,
     fgluTessProperty, fgluTessNormal, fgluTessBeginPolygon

									Page 2

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