ReactOS 0.4.15-dev-8191-gbc6c731
intersect.cc
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1/*
2** License Applicability. Except to the extent portions of this file are
3** made subject to an alternative license as permitted in the SGI Free
4** Software License B, Version 1.1 (the "License"), the contents of this
5** file are subject only to the provisions of the License. You may not use
6** this file except in compliance with the License. You may obtain a copy
7** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
8** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
9**
10** http://oss.sgi.com/projects/FreeB
11**
12** Note that, as provided in the License, the Software is distributed on an
13** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
14** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
15** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
16** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
17**
18** Original Code. The Original Code is: OpenGL Sample Implementation,
19** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
20** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
21** Copyright in any portions created by third parties is as indicated
22** elsewhere herein. All Rights Reserved.
23**
24** Additional Notice Provisions: The application programming interfaces
25** established by SGI in conjunction with the Original Code are The
26** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
27** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
28** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
29** Window System(R) (Version 1.3), released October 19, 1998. This software
30** was created using the OpenGL(R) version 1.2.1 Sample Implementation
31** published by SGI, but has not been independently verified as being
32** compliant with the OpenGL(R) version 1.2.1 Specification.
33*/
34
35/*
36 * intersect.c++
37 *
38 */
39
40//#include "glimports.h"
41//#include "myassert.h"
42//#include "mystdio.h"
43#include "subdivider.h"
44//#include "arc.h"
45//#include "bin.h"
46#include "backend.h"
47//#include "trimvertpool.h"
48
49/*#define NOTDEF*/
50
52
53/* local functions */
54#ifndef NDEBUG // for asserts only
55static int arc_classify( Arc_ptr, int, REAL );
56#endif
57static enum i_result pwlarc_intersect( PwlArc *, int, REAL, int, int[3] );
58
59
60void
61Subdivider::partition( Bin & bin, Bin & left, Bin & intersections,
62 Bin & right, Bin & unknown, int param, REAL value )
63{
64 Bin headonleft, headonright, tailonleft, tailonright;
65
66 for( Arc_ptr jarc = bin.removearc(); jarc; jarc = bin.removearc() ) {
67
68 REAL tdiff = jarc->tail()[param] - value;
69 REAL hdiff = jarc->head()[param] - value;
70
71 if( tdiff > 0.0 ) {
72 if( hdiff > 0.0 ) {
73 right.addarc( jarc );
74 } else if( hdiff == 0.0 ) {
75 tailonright.addarc( jarc );
76 } else {
77 Arc_ptr jtemp;
78 switch( arc_split(jarc, param, value, 0) ) {
79 case 2:
80 tailonright.addarc( jarc );
81 headonleft.addarc( jarc->next );
82 break;
83 case 31:
84 assert( jarc->head()[param] > value );
85 right.addarc( jarc );
86 tailonright.addarc( jtemp = jarc->next );
87 headonleft.addarc( jtemp->next );
88 break;
89 case 32:
90 assert( jarc->head()[param] <= value );
91 tailonright .addarc( jarc );
92 headonleft.addarc( jtemp = jarc->next );
93 left.addarc( jtemp->next );
94 break;
95 case 4:
96 right.addarc( jarc );
97 tailonright.addarc( jtemp = jarc->next );
98 headonleft.addarc( jtemp = jtemp->next );
99 left.addarc( jtemp->next );
100 }
101 }
102 } else if( tdiff == 0.0 ) {
103 if( hdiff > 0.0 ) {
104 headonright.addarc( jarc );
105 } else if( hdiff == 0.0 ) {
106 unknown.addarc( jarc );
107 } else {
108 headonleft.addarc( jarc );
109 }
110 } else {
111 if( hdiff > 0.0 ) {
112 Arc_ptr jtemp;
113 switch( arc_split(jarc, param, value, 1) ) {
114 case 2:
115 tailonleft.addarc( jarc );
116 headonright.addarc( jarc->next );
117 break;
118 case 31:
119 assert( jarc->head()[param] < value );
120 left.addarc( jarc );
121 tailonleft.addarc( jtemp = jarc->next );
122 headonright.addarc( jtemp->next );
123 break;
124 case 32:
125 assert( jarc->head()[param] >= value );
126 tailonleft.addarc( jarc );
127 headonright.addarc( jtemp = jarc->next );
128 right.addarc( jtemp->next );
129 break;
130 case 4:
131 left.addarc( jarc );
132 tailonleft.addarc( jtemp = jarc->next );
133 headonright.addarc( jtemp = jtemp->next );
134 right.addarc( jtemp->next );
135 }
136 } else if( hdiff == 0.0 ) {
137 tailonleft.addarc( jarc );
138 } else {
139 left.addarc( jarc );
140 }
141 }
142 }
143 if( param == 0 ) {
144 classify_headonleft_s( headonleft, intersections, left, value );
145 classify_tailonleft_s( tailonleft, intersections, left, value );
146 classify_headonright_s( headonright, intersections, right, value );
147 classify_tailonright_s( tailonright, intersections, right, value );
148 } else {
149 classify_headonleft_t( headonleft, intersections, left, value );
150 classify_tailonleft_t( tailonleft, intersections, left, value );
151 classify_headonright_t( headonright, intersections, right, value );
152 classify_tailonright_t( tailonright, intersections, right, value );
153 }
154}
155
156inline static void
158{
159 assert( val > l->param[p]);
160 assert( val < r->param[p]);
161
162 n->nuid = l->nuid;
163
164 n->param[p] = val;
165 if( l->param[1-p] != r->param[1-p] ) {
166 REAL ratio = (val - l->param[p]) / (r->param[p] - l->param[p]);
167 n->param[1-p] = l->param[1-p] +
168 ratio * (r->param[1-p] - l->param[1-p]);
169 } else {
170 n->param[1-p] = l->param[1-p];
171 }
172}
173
174int
176{
177 int maxvertex = jarc->pwlArc->npts;
178 Arc_ptr jarc1;
179 TrimVertex* v = jarc->pwlArc->pts;
180
181 int loc[3];
182 switch( pwlarc_intersect( jarc->pwlArc, param, value, dir, loc ) ) {
183
184 // When the parameter value lands on a vertex, life is sweet
185 case INTERSECT_VERTEX: {
186 jarc1 = new(arcpool) Arc( jarc, new( pwlarcpool) PwlArc( maxvertex-loc[1], &v[loc[1]] ) );
187 jarc->pwlArc->npts = loc[1] + 1;
188 jarc1->next = jarc->next;
189 jarc1->next->prev = jarc1;
190 jarc->next = jarc1;
191 jarc1->prev = jarc;
192 assert(jarc->check() != 0);
193 return 2;
194 }
195
196 // When the parameter value intersects an edge, we have to
197 // interpolate a new vertex. There are special cases
198 // if the new vertex is adjacent to one or both of the
199 // endpoints of the arc.
200 case INTERSECT_EDGE: {
201 int i, j;
202 if( dir == 0 ) {
203 i = loc[0];
204 j = loc[2];
205 } else {
206 i = loc[2];
207 j = loc[0];
208 }
209
210#ifndef NOTDEF
211 // The split is between vertices at index j and i, in that
212 // order (j < i)
213
214 // JEB: This code is my idea of how to do the split without
215 // increasing the number of links. I'm doing this so that
216 // the is_rect routine can recognize rectangles created by
217 // subdivision. In exchange for simplifying the curve list,
218 // however, it costs in allocated space and vertex copies.
219
220 TrimVertex *newjunk = trimvertexpool.get(maxvertex -i+1 /*-j*/);
221 int k;
222 for(k=0; k<maxvertex-i; k++)
223 {
224 newjunk[k+1] = v[i+k];
225 newjunk[k+1].nuid = jarc->nuid;
226 }
227
228 TrimVertex *vcopy = trimvertexpool.get(maxvertex);
229 for(k=0; k<maxvertex; k++)
230 {
231 vcopy[k].param[0] = v[k].param[0];
232 vcopy[k].param[1] = v[k].param[1];
233 }
234 jarc->pwlArc->pts=vcopy;
235
236 v[i].nuid = jarc->nuid;
237 v[j].nuid = jarc->nuid;
238 vert_interp( &newjunk[0], &v[loc[0]], &v[loc[2]], param, value );
239
240 if( showingDegenerate() )
241 backend.triangle( &v[i], &newjunk[0], &v[j] );
242
243 vcopy[j+1].param[0]=newjunk[0].param[0];
244 vcopy[j+1].param[1]=newjunk[0].param[1];
245
246
247 jarc1 = new(arcpool) Arc( jarc,
248 new(pwlarcpool) PwlArc(maxvertex-i+1 , newjunk ) );
249
250 jarc->pwlArc->npts = j+2;
251 jarc1->next = jarc->next;
252 jarc1->next->prev = jarc1;
253 jarc->next = jarc1;
254 jarc1->prev = jarc;
255 assert(jarc->check() != 0);
256
257 return 2;
258#endif //not NOTDEF
259 // JEB: This is the original version:
260#ifdef NOTDEF
261 Arc_ptr jarc2, jarc3;
262
263 TrimVertex *newjunk = trimvertexpool.get(3);
264 v[i].nuid = jarc->nuid;
265 v[j].nuid = jarc->nuid;
266 newjunk[0] = v[j];
267 newjunk[2] = v[i];
268 vert_interp( &newjunk[1], &v[loc[0]], &v[loc[2]], param, value );
269
270 if( showingDegenerate() )
271 backend.triangle( &newjunk[2], &newjunk[1], &newjunk[0] );
272
273 // New vertex adjacent to both endpoints
274 if (maxvertex == 2) {
275 jarc1 = new(arcpool) Arc( jarc, new(pwlarcpool) PwlArc( 2, newjunk+1 ) );
276 jarc->pwlArc->npts = 2;
277 jarc->pwlArc->pts = newjunk;
278 jarc1->next = jarc->next;
279 jarc1->next->prev = jarc1;
280 jarc->next = jarc1;
281 jarc1->prev = jarc;
282 assert(jarc->check() != 0);
283
284 return 2;
285
286 // New vertex adjacent to ending point of arc
287 } else if (maxvertex - j == 2) {
288 jarc1 = new(arcpool) Arc( jarc, new(pwlarcpool) PwlArc( 2, newjunk ) );
289 jarc2 = new(arcpool) Arc( jarc, new(pwlarcpool) PwlArc( 2, newjunk+1 ) );
290 jarc->pwlArc->npts = maxvertex-1;
291 jarc2->next = jarc->next;
292 jarc2->next->prev = jarc2;
293 jarc->next = jarc1;
294 jarc1->prev = jarc;
295 jarc1->next = jarc2;
296 jarc2->prev = jarc1;
297 assert(jarc->check() != 0);
298 return 31;
299
300 // New vertex adjacent to starting point of arc
301 } else if (i == 1) {
302 jarc1 = new(arcpool) Arc( jarc, new(pwlarcpool) PwlArc( 2, newjunk+1 ) );
303 jarc2 = new(arcpool) Arc( jarc,
304 new(pwlarcpool) PwlArc( maxvertex-1, &jarc->pwlArc->pts[1] ) );
305 jarc->pwlArc->npts = 2;
306 jarc->pwlArc->pts = newjunk;
307 jarc2->next = jarc->next;
308 jarc2->next->prev = jarc2;
309 jarc->next = jarc1;
310 jarc1->prev = jarc;
311 jarc1->next = jarc2;
312 jarc2->prev = jarc1;
313 assert(jarc->check() != 0);
314 return 32;
315
316 // It's somewhere in the middle
317 } else {
318 jarc1 = new(arcpool) Arc( jarc, new(pwlarcpool) PwlArc( 2, newjunk ) );
319 jarc2 = new(arcpool) Arc( jarc, new(pwlarcpool) PwlArc( 2, newjunk+1 ) );
320 jarc3 = new(arcpool) Arc( jarc, new(pwlarcpool) PwlArc( maxvertex-i, v+i ) );
321 jarc->pwlArc->npts = j + 1;
322 jarc3->next = jarc->next;
323 jarc3->next->prev = jarc3;
324 jarc->next = jarc1;
325 jarc1->prev = jarc;
326 jarc1->next = jarc2;
327 jarc2->prev = jarc1;
328 jarc2->next = jarc3;
329 jarc3->prev = jarc2;
330 assert(jarc->check() != 0);
331 return 4;
332 }
333#endif // NOTDEF
334 }
335 default:
336 return -1; //picked -1 since it's not used
337 }
338}
339
340/*----------------------------------------------------------------------------
341 * pwlarc_intersect - find intersection of pwlArc and isoparametric line
342 *----------------------------------------------------------------------------
343 */
344
345static enum i_result
347 PwlArc *pwlArc,
348 int param,
349 REAL value,
350 int dir,
351 int loc[3] )
352{
353 assert( pwlArc->npts > 0 );
354
355 if( dir ) {
356 TrimVertex *v = pwlArc->pts;
357 int imin = 0;
358 int imax = pwlArc->npts - 1;
359 assert( value > v[imin].param[param] );
360 assert( value < v[imax].param[param] );
361 while( (imax - imin) > 1 ) {
362 int imid = (imax + imin)/2;
363 if( v[imid].param[param] > value )
364 imax = imid;
365 else if( v[imid].param[param] < value )
366 imin = imid;
367 else {
368 loc[1] = imid;
369 return INTERSECT_VERTEX;
370 }
371 }
372 loc[0] = imin;
373 loc[2] = imax;
374 return INTERSECT_EDGE;
375 } else {
376 TrimVertex *v = pwlArc->pts;
377 int imax = 0;
378 int imin = pwlArc->npts - 1;
379 assert( value > v[imin].param[param] );
380 assert( value < v[imax].param[param] );
381 while( (imin - imax) > 1 ) {
382 int imid = (imax + imin)/2;
383 if( v[imid].param[param] > value )
384 imax = imid;
385 else if( v[imid].param[param] < value )
386 imin = imid;
387 else {
388 loc[1] = imid;
389 return INTERSECT_VERTEX;
390 }
391 }
392 loc[0] = imin;
393 loc[2] = imax;
394 return INTERSECT_EDGE;
395 }
396}
397
398/*----------------------------------------------------------------------------
399 * arc_classify - determine which side of a line a jarc lies
400 *----------------------------------------------------------------------------
401 */
402
403#ifndef NDEBUG // for asserts only
404static int
406{
407 REAL tdiff, hdiff;
408 if( param == 0 ) {
409 tdiff = jarc->tail()[0] - value;
410 hdiff = jarc->head()[0] - value;
411 } else {
412 tdiff = jarc->tail()[1] - value;
413 hdiff = jarc->head()[1] - value;
414 }
415
416 if( tdiff > 0.0 ) {
417 if( hdiff > 0.0 ) {
418 return 0x11;
419 } else if( hdiff == 0.0 ) {
420 return 0x12;
421 } else {
422 return 0x10;
423 }
424 } else if( tdiff == 0.0 ) {
425 if( hdiff > 0.0 ) {
426 return 0x21;
427 } else if( hdiff == 0.0 ) {
428 return 0x22;
429 } else {
430 return 0x20;
431 }
432 } else {
433 if( hdiff > 0.0 ) {
434 return 0x01;
435 } else if( hdiff == 0.0 ) {
436 return 0x02;
437 } else {
438 return 0;
439 }
440 }
441}
442#endif
443
444void
446{
447 /* tail at left, head on line */
448 Arc_ptr j;
449
450 while( (j = bin.removearc()) != NULL ) {
451 assert( arc_classify( j, 0, val ) == 0x02 );
452 j->clearitail();
453
454 REAL diff = j->next->head()[0] - val;
455 if( diff > 0.0 ) {
456 in.addarc( j );
457 } else if( diff < 0.0 ) {
458 if( ccwTurn_sl( j, j->next ) )
459 out.addarc( j );
460 else
461 in.addarc( j );
462 } else {
463 if( j->next->tail()[1] > j->next->head()[1] )
464 in.addarc(j);
465 else
466 out.addarc(j);
467 }
468 }
469}
470
471void
473{
474 /* tail at left, head on line */
475 Arc_ptr j;
476
477 while( (j = bin.removearc()) != NULL ) {
478 assert( arc_classify( j, 1, val ) == 0x02 );
479 j->clearitail();
480
481 REAL diff = j->next->head()[1] - val;
482 if( diff > 0.0 ) {
483 in.addarc( j );
484 } else if( diff < 0.0 ) {
485 if( ccwTurn_tl( j, j->next ) )
486 out.addarc( j );
487 else
488 in.addarc( j );
489 } else {
490 if (j->next->tail()[0] > j->next->head()[0] )
491 out.addarc( j );
492 else
493 in.addarc( j );
494 }
495 }
496}
497
498void
500{
501 /* tail on line, head at left */
502 Arc_ptr j;
503
504 while( (j = bin.removearc()) != NULL ) {
505 assert( arc_classify( j, 0, val ) == 0x20 );
506
507 j->setitail();
508
509 REAL diff = j->prev->tail()[0] - val;
510 if( diff > 0.0 ) {
511 out.addarc( j );
512 } else if( diff < 0.0 ) {
513 if( ccwTurn_sl( j->prev, j ) )
514 out.addarc( j );
515 else
516 in.addarc( j );
517 } else {
518 if( j->prev->tail()[1] > j->prev->head()[1] )
519 in.addarc( j );
520 else
521 out.addarc( j );
522 }
523 }
524}
525
526void
528{
529 /* tail on line, head at left */
530 Arc_ptr j;
531
532 while( (j = bin.removearc()) != NULL ) {
533 assert( arc_classify( j, 1, val ) == 0x20 );
534 j->setitail();
535
536 REAL diff = j->prev->tail()[1] - val;
537 if( diff > 0.0 ) {
538 out.addarc( j );
539 } else if( diff < 0.0 ) {
540 if( ccwTurn_tl( j->prev, j ) )
541 out.addarc( j );
542 else
543 in.addarc( j );
544 } else {
545 if( j->prev->tail()[0] > j->prev->head()[0] )
546 out.addarc( j );
547 else
548 in.addarc( j );
549 }
550 }
551}
552
553
554void
556{
557 /* tail at right, head on line */
558 Arc_ptr j;
559
560 while( (j = bin.removearc()) != NULL ) {
561 assert( arc_classify( j, 0, val ) == 0x12);
562
563 j->clearitail();
564
565 REAL diff = j->next->head()[0] - val;
566 if( diff > 0.0 ) {
567 if( ccwTurn_sr( j, j->next ) )
568 out.addarc( j );
569 else
570 in.addarc( j );
571 } else if( diff < 0.0 ) {
572 in.addarc( j );
573 } else {
574 if( j->next->tail()[1] > j->next->head()[1] )
575 out.addarc( j );
576 else
577 in.addarc( j );
578 }
579 }
580}
581
582void
584{
585 /* tail at right, head on line */
586 Arc_ptr j;
587
588 while( (j = bin.removearc()) != NULL ) {
589 assert( arc_classify( j, 1, val ) == 0x12);
590
591 j->clearitail();
592
593 REAL diff = j->next->head()[1] - val;
594 if( diff > 0.0 ) {
595 if( ccwTurn_tr( j, j->next ) )
596 out.addarc( j );
597 else
598 in.addarc( j );
599 } else if( diff < 0.0 ) {
600 in.addarc( j );
601 } else {
602 if( j->next->tail()[0] > j->next->head()[0] )
603 in.addarc( j );
604 else
605 out.addarc( j );
606 }
607 }
608}
609
610void
612{
613 /* tail on line, head at right */
614 Arc_ptr j;
615
616 while( (j = bin.removearc()) != NULL ) {
617 assert( arc_classify( j, 0, val ) == 0x21 );
618
619 j->setitail();
620
621 REAL diff = j->prev->tail()[0] - val;
622 if( diff > 0.0 ) {
623 if( ccwTurn_sr( j->prev, j ) )
624 out.addarc( j );
625 else
626 in.addarc( j );
627 } else if( diff < 0.0 ) {
628 out.addarc( j );
629 } else {
630 if( j->prev->tail()[1] > j->prev->head()[1] )
631 out.addarc( j );
632 else
633 in.addarc( j );
634 }
635 }
636}
637
638void
640{
641 /* tail on line, head at right */
642 Arc_ptr j;
643
644 while( (j = bin.removearc()) != NULL ) {
645 assert( arc_classify( j, 1, val ) == 0x21 );
646
647 j->setitail();
648
649 REAL diff = j->prev->tail()[1] - val;
650 if( diff > 0.0 ) {
651 if( ccwTurn_tr( j->prev, j ) )
652 out.addarc( j );
653 else
654 in.addarc( j );
655 } else if( diff < 0.0 ) {
656 out.addarc( j );
657 } else {
658 if( j->prev->tail()[0] > j->prev->head()[0] )
659 in.addarc( j );
660 else
661 out.addarc( j );
662 }
663 }
664}
665
unsigned int dir
Definition: maze.c:112
r l[0]
Definition: byte_order.h:168
Definition: arc.h:55
PwlArc * pwlArc
Definition: arc.h:65
void triangle(TrimVertex *, TrimVertex *, TrimVertex *)
Definition: backend.cc:517
Definition: bin.h:44
void addarc(Arc_ptr)
Definition: bin.h:70
Definition: pwlarc.h:44
int npts
Definition: pwlarc.h:47
TrimVertex * pts
Definition: pwlarc.h:46
void classify_tailonright_s(Bin &, Bin &, Bin &, REAL)
Definition: intersect.cc:555
void classify_tailonleft_s(Bin &, Bin &, Bin &, REAL)
Definition: intersect.cc:445
int ccwTurn_sr(Arc_ptr, Arc_ptr)
Definition: ccw.cc:57
void classify_tailonleft_t(Bin &, Bin &, Bin &, REAL)
Definition: intersect.cc:472
int ccwTurn_tl(Arc_ptr, Arc_ptr)
Definition: ccw.cc:396
Backend & backend
Definition: subdivider.h:121
void classify_tailonright_t(Bin &, Bin &, Bin &, REAL)
Definition: intersect.cc:583
void partition(Bin &, Bin &, Bin &, Bin &, Bin &, int, REAL)
Definition: intersect.cc:61
void classify_headonleft_t(Bin &, Bin &, Bin &, REAL)
Definition: intersect.cc:527
int showingDegenerate(void)
Definition: subdivider.h:155
Pool pwlarcpool
Definition: subdivider.h:116
Pool arcpool
Definition: subdivider.h:114
void classify_headonleft_s(Bin &, Bin &, Bin &, REAL)
Definition: intersect.cc:499
void classify_headonright_s(Bin &, Bin &, Bin &, REAL)
Definition: intersect.cc:611
int arc_split(Arc_ptr, int, REAL, int)
Definition: intersect.cc:175
int ccwTurn_sl(Arc_ptr, Arc_ptr)
Definition: ccw.cc:170
TrimVertexPool trimvertexpool
Definition: subdivider.h:117
int ccwTurn_tr(Arc_ptr, Arc_ptr)
Definition: ccw.cc:283
void classify_headonright_t(Bin &, Bin &, Bin &, REAL)
Definition: intersect.cc:639
TrimVertex * get(int)
REAL param[2]
Definition: trimvertex.h:45
long nuid
Definition: trimvertex.h:50
#define NULL
Definition: types.h:112
class Arc * Arc_ptr
Definition: arc.h:50
float REAL
Definition: types.h:41
static WCHAR unknown[MAX_STRING_RESOURCE_LEN]
Definition: object.c:1605
#define assert(x)
Definition: debug.h:53
const GLdouble * v
Definition: gl.h:2040
GLdouble GLdouble GLdouble r
Definition: gl.h:2055
GLdouble n
Definition: glext.h:7729
GLdouble GLdouble right
Definition: glext.h:10859
GLuint in
Definition: glext.h:9616
GLint left
Definition: glext.h:7726
GLuint GLfloat * val
Definition: glext.h:7180
GLfloat GLfloat p
Definition: glext.h:8902
GLfloat param
Definition: glext.h:5796
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint GLint GLint j
Definition: glfuncs.h:250
i_result
Definition: intersect.cc:51
@ INTERSECT_VERTEX
Definition: intersect.cc:51
@ INTERSECT_EDGE
Definition: intersect.cc:51
static void vert_interp(TrimVertex *n, TrimVertex *l, TrimVertex *r, int p, REAL val)
Definition: intersect.cc:157
static enum i_result pwlarc_intersect(PwlArc *, int, REAL, int, int[3])
Definition: intersect.cc:346
static int arc_classify(Arc_ptr, int, REAL)
Definition: intersect.cc:405
static struct _PeImage bin
int k
Definition: mpi.c:3369
static FILE * out
Definition: regtests2xml.c:44
static int imin(int a, int b)
Definition: format.c:174
static int imax(int a, int b)
Definition: format.c:179
Definition: pdh_main.c:94