Lines Matching refs:vertex

56   contour (the last vertex of each contour is automatically linked to
59   "coords" give the coordinates of the vertex in 3-space.  For useful
62   to a user-defined vertex structure, which typically contains other
64   used to refer to the vertex during rendering.
90      void vertex( void *data );			/* GLU_TESS_VERTEX */
100   It is followed by any number of "vertex" callbacks, which supply the
102   call.  After the last vertex of a given primitive, there is a callback
107   vertex which follows begins an edge which lies on the polygon boundary
109   If "flag" is GL_FALSE, each vertex which follows begins an edge which lies
111   call to "vertex".
147      GLU_TESS_COORD_TOO_LARGE says that some vertex coordinate exceeded
161      features, it needs to create a new vertex.  The vertex is defined
164      given by weight[0..3]; these weights always sum to 1.0.  All vertex
166      "coords" gives the location of the new vertex.
168      The user must allocate another vertex, interpolate parameters
169      using "data" and "weights", and return the new vertex pointer in
172      and we associate a color with each vertex, the combine callback might
242       each other might be replaced by a single vertex.  The tolerance
243       is multiplied by the largest coordinate magnitude of any input vertex;
253       coincident, regardless of the current tolerance.  A vertex is
255       distinguish which side of the edge the vertex lies on.
344      the contours of B,C,D with the vertex order reversed (this changes
349      alternative to reversing the vertex order is to reverse the sign of
367   be rendered as a triangle fan with respect to the first vertex (to
370   the algorithm gets lucky in its choice of a starting vertex.