52 #ifndef ELT
53 #define ELT(x) x  macro
86          RENDER_LINE( ELT(j-1), ELT(j) );  in TAG()
88          RENDER_LINE( ELT(j), ELT(j-1) );  in TAG()
111          RENDER_LINE( ELT(j-1), ELT(j) );  in TAG()
113          RENDER_LINE( ELT(j), ELT(j-1) );  in TAG()
134             RENDER_LINE( ELT(start), ELT(start+1) );  in TAG()
136             RENDER_LINE( ELT(start+1), ELT(start) );  in TAG()
142             RENDER_LINE( ELT(i-1), ELT(i) );  in TAG()
144             RENDER_LINE( ELT(i), ELT(i-1) );  in TAG()
150             RENDER_LINE( ELT(count-1), ELT(start) );  in TAG()
152             RENDER_LINE( ELT(start), ELT(count-1) );  in TAG()
176             RENDER_TRI( ELT(j-2), ELT(j-1), ELT(j) );  in TAG()
178             RENDER_TRI( ELT(j-1), ELT(j), ELT(j-2) );  in TAG()
183             RENDER_TRI( ELT(j-2), ELT(j-1), ELT(j) );  in TAG()
185             RENDER_TRI( ELT(j-1), ELT(j), ELT(j-2) );  in TAG()
208             ej2 = ELT(j-2+parity);  in TAG()
209             ej1 = ELT(j-1-parity);  in TAG()
210             ej = ELT(j);  in TAG()
213             ej2 = ELT(j-1+parity);  in TAG()
214             ej1 = ELT(j-parity);  in TAG()
215             ej = ELT(j-2);  in TAG()
234             RENDER_TRI( ELT(j-2+parity), ELT(j-1-parity), ELT(j) );  in TAG()
236             RENDER_TRI( ELT(j-1+parity), ELT(j-parity), ELT(j-2) );  in TAG()
257 	 GLuint ejs = ELT(start);  in TAG()
258 	 GLuint ej1 = ELT(j-1);  in TAG()
259 	 GLuint ej = ELT(j);  in TAG()
280             RENDER_TRI( ELT(start), ELT(j-1), ELT(j) );  in TAG()
282             RENDER_TRI( ELT(j), ELT(start), ELT(j-1) );  in TAG()
301       GLboolean efstart = EDGEFLAG_GET( ELT(start) );  in TAG()
302       GLboolean efcount = EDGEFLAG_GET( ELT(count-1) );  in TAG()
308 	 EDGEFLAG_SET( ELT(start), GL_FALSE );  in TAG()
317 	 EDGEFLAG_SET( ELT(count-1), GL_FALSE );  in TAG()
322 	 GLboolean ef = EDGEFLAG_GET( ELT(j) );  in TAG()
323 	 EDGEFLAG_SET( ELT(j), GL_FALSE );  in TAG()
324 	 RENDER_TRI( ELT(j-1), ELT(j), ELT(start) );  in TAG()
325 	 EDGEFLAG_SET( ELT(j), ef );  in TAG()
330 	 EDGEFLAG_SET( ELT(start), GL_FALSE );  in TAG()
333 	    GLboolean efj = EDGEFLAG_GET( ELT(j) );  in TAG()
334 	    EDGEFLAG_SET( ELT(j), GL_FALSE );  in TAG()
335 	    RENDER_TRI( ELT(j-1), ELT(j), ELT(start) );  in TAG()
336 	    EDGEFLAG_SET( ELT(j), efj );  in TAG()
343 	 RENDER_TRI( ELT(j-1), ELT(j), ELT(start) );  in TAG()
347       EDGEFLAG_SET( ELT(count-1), efcount );  in TAG()
348       EDGEFLAG_SET( ELT(start), efstart );  in TAG()
353 	 RENDER_TRI( ELT(j-1), ELT(j), ELT(start) );  in TAG()
376             RENDER_QUAD( ELT(j-3), ELT(j-2), ELT(j-1), ELT(j) );  in TAG()
378             RENDER_QUAD( ELT(j-2), ELT(j-1), ELT(j), ELT(j-3) );  in TAG()
384             RENDER_QUAD( ELT(j-3), ELT(j-2), ELT(j-1), ELT(j) );  in TAG()
386             RENDER_QUAD( ELT(j-2), ELT(j-1), ELT(j), ELT(j-3) );  in TAG()
407 	 GLboolean ef3 = EDGEFLAG_GET( ELT(j-3) );  in TAG()
408 	 GLboolean ef2 = EDGEFLAG_GET( ELT(j-2) );  in TAG()
409 	 GLboolean ef1 = EDGEFLAG_GET( ELT(j-1) );  in TAG()
410 	 GLboolean ef = EDGEFLAG_GET( ELT(j) );  in TAG()
414 	 EDGEFLAG_SET( ELT(j-3), GL_TRUE );  in TAG()
415 	 EDGEFLAG_SET( ELT(j-2), GL_TRUE );  in TAG()
416 	 EDGEFLAG_SET( ELT(j-1), GL_TRUE );  in TAG()
417 	 EDGEFLAG_SET( ELT(j), GL_TRUE );  in TAG()
420             RENDER_QUAD( ELT(j-1), ELT(j-3), ELT(j-2), ELT(j) );  in TAG()
422             RENDER_QUAD( ELT(j-2), ELT(j), ELT(j-1), ELT(j-3) );  in TAG()
423 	 EDGEFLAG_SET( ELT(j-3), ef3 );  in TAG()
424 	 EDGEFLAG_SET( ELT(j-2), ef2 );  in TAG()
425 	 EDGEFLAG_SET( ELT(j-1), ef1 );  in TAG()
426 	 EDGEFLAG_SET( ELT(j), ef );  in TAG()
432             RENDER_QUAD( ELT(j-1), ELT(j-3), ELT(j-2), ELT(j) );  in TAG()
434             RENDER_QUAD( ELT(j-2), ELT(j), ELT(j-1), ELT(j-3) );  in TAG()
478 #undef ELT