Cross Reference: /xsrc/external/mit/glu/dist/src/libnurbs/interface/bezierPatchMesh.cc

Lines Matching defs:bpm
183 void bezierPatchMeshPutPatch(bezierPatchMesh *bpm, int maptype, float umin, float umax, int ustride, int uorder, float vmin, float vmax, int vstride, int vorder, float *ctlpoints)
187     bpm->bpatch = bezierPatchMake2(umin, vmin, umax, vmax, uorder, vorder, 3, ustride, vstride, ctlpoints);
190     bpm->bpatch = bezierPatchMake2(umin, vmin, umax, vmax, uorder, vorder, 4,ustride, vstride, ctlpoints );
193     bpm->bpatch_normal = bezierPatchMake2(umin, vmin, umax, vmax, uorder, vorder, 3, ustride, vstride, ctlpoints);
196     bpm->bpatch_color = bezierPatchMake2(umin, vmin, umax, vmax, uorder, vorder, 1, ustride, vstride, ctlpoints);
199     bpm->bpatch_color = bezierPatchMake2(umin, vmin, umax, vmax, uorder, vorder, 4, ustride, vstride, ctlpoints);
202     bpm->bpatch_texcoord = bezierPatchMake2(umin, vmin, umax, vmax, uorder, vorder, 1, ustride, vstride, ctlpoints);
205     bpm->bpatch_texcoord = bezierPatchMake2(umin, vmin, umax, vmax, uorder, vorder, 2, ustride, vstride, ctlpoints);
208     bpm->bpatch_texcoord = bezierPatchMake2(umin, vmin, umax, vmax, uorder, vorder, 3, ustride, vstride, ctlpoints);
211     bpm->bpatch_texcoord = bezierPatchMake2(umin, vmin, umax, vmax, uorder, vorder, 4, ustride, vstride, ctlpoints);
223 void bezierPatchMeshDelete(bezierPatchMesh *bpm)
225   if(bpm->bpatch != NULL)
226     bezierPatchDelete(bpm->bpatch);
227   if(bpm->bpatch_normal != NULL)
228     bezierPatchDelete(bpm->bpatch_normal);
229   if(bpm->bpatch_color != NULL)
230     bezierPatchDelete(bpm->bpatch_color);
231   if(bpm->bpatch_texcoord != NULL)
232     bezierPatchDelete(bpm->bpatch_texcoord);
234   free(bpm->UVarray);
235   free(bpm->length_array);
236   free(bpm->vertex_array);
237   free(bpm->normal_array);
238   free(bpm->type_array);
239   free(bpm);
245 void bezierPatchMeshBeginStrip(bezierPatchMesh *bpm, GLenum type)
247   bpm->counter = 0;
248   bpm->type = type;
252 void bezierPatchMeshEndStrip(bezierPatchMesh *bpm)
257   if(bpm->counter == 0) return;
260   if(bpm->index_length_array >= bpm->size_length_array)
262       int *temp = (int*) malloc(sizeof(int) * (bpm->size_length_array*2 + 1));
264       GLenum *temp_type = (GLenum*) malloc(sizeof(GLenum) * (bpm->size_length_array*2 + 1));
267       bpm->size_length_array = bpm->size_length_array*2 + 1;
270       for(i=0; i<bpm->index_length_array; i++)
272 	  temp[i] = bpm->length_array[i];
273 	  temp_type[i] = bpm->type_array[i];
277       free(bpm->length_array);
278       free(bpm->type_array);
281       bpm->length_array = temp;
282       bpm->type_array = temp_type;
284   bpm->type_array[bpm->index_length_array] = bpm->type;
285   bpm->length_array[bpm->index_length_array++] = bpm->counter;
290 void bezierPatchMeshInsertUV(bezierPatchMesh *bpm, float u, float v)
294   if(bpm->index_UVarray+1 >= bpm->size_UVarray)
296       float *temp = (float*) malloc(sizeof(float) * (bpm->size_UVarray * 2 + 2));
300       bpm->size_UVarray = bpm->size_UVarray*2 + 2;
303       for(i=0; i<bpm->index_UVarray; i++)
305 	  temp[i] = bpm->UVarray[i];
309       free(bpm->UVarray);
312       bpm->UVarray = temp;
315   bpm->UVarray[bpm->index_UVarray] = u;
316   bpm->index_UVarray++;
317   bpm->UVarray[bpm->index_UVarray] = v;
318   bpm->index_UVarray++;
321   bpm->counter++;
326 void bezierPatchMeshPrint(bezierPatchMesh *bpm)
330   bezierPatchPrint(bpm->bpatch);
331   printf("index_length_array= %i\n", bpm->index_length_array);
332   printf("size_length_array =%i\n", bpm->size_length_array);
333   printf("index_UVarray =%i\n", bpm->index_UVarray);
334   printf("size_UVarray =%i\n", bpm->size_UVarray);
336   for(i=0; i<bpm->index_UVarray; i++)
337     printf("%f ", bpm->UVarray[i]);
340   for(i=0; i<bpm->index_length_array; i++)
341     printf("%i ", bpm->length_array[i]);
347 bezierPatchMesh* bezierPatchMeshListInsert(bezierPatchMesh* list, bezierPatchMesh* bpm)
349   bpm->next=list;
350   return bpm;
396 int bezierPatchMeshNumTriangles(bezierPatchMesh* bpm)
400   for(i=0; i<bpm->index_length_array; i++)
402       switch(bpm->type_array[i])
405 	  sum += bpm->length_array[i]/3;
408 	  if(bpm->length_array[i] > 2)
409 	    sum += bpm->length_array[i]-2;
412 	  if(bpm->length_array[i] > 2)
413 	    sum += bpm->length_array[i]-2;
416 	  if(bpm->length_array[i]>2)
417 	    sum += (bpm->length_array[i]-2);
427 void bezierPatchMeshDelDeg(bezierPatchMesh* bpm)
429   if(bpm == NULL) return;
437   new_length_array = (int*)malloc(sizeof(int) * bpm->index_length_array);
439   new_type_array = (GLenum*)malloc(sizeof(GLenum) * bpm->index_length_array);
441   new_UVarray = (float*) malloc(sizeof(float) * bpm->index_UVarray);
447   for(i=0; i<bpm->index_length_array; i++){
450     if( (bpm->length_array[i] != 3) || (!isDegenerate(bpm->UVarray+k, bpm->UVarray+k+2, bpm->UVarray+k+4)))
452 	    for(j=0; j<2* bpm->length_array[i]; j++)
453 	      new_UVarray[index_new_UVarray++] = bpm->UVarray[k++];
455 	    new_length_array[index_new_length_array] = bpm->length_array[i];
456 	    new_type_array[index_new_length_array] = bpm->type_array[i];
464   free(bpm->UVarray);
465   free(bpm->length_array);
466   free(bpm->type_array);
467   bpm->UVarray=new_UVarray;
468   bpm->length_array=new_length_array;
469   bpm->type_array=new_type_array;
470   bpm->index_UVarray = index_new_UVarray;
471   bpm->index_length_array = index_new_length_array;
479 void bezierPatchMeshEval(bezierPatchMesh* bpm)
483   float u0 = bpm->bpatch->umin;
484   float u1 = bpm->bpatch->umax;
485   int uorder = bpm->bpatch->uorder;
486   float v0 = bpm->bpatch->vmin;
487   float v1 = bpm->bpatch->vmax;
488   int vorder = bpm->bpatch->vorder;
489   int dimension = bpm->bpatch->dimension;
492   float *ctlpoints = bpm->bpatch->ctlpoints;
494   bpm->vertex_array = (float*) malloc(sizeof(float)* (bpm->index_UVarray/2) * 3);
495   assert(bpm->vertex_array);
496   bpm->normal_array = (float*) malloc(sizeof(float)* (bpm->index_UVarray/2) * 3);
497   assert(bpm->normal_array);
501   for(i=0; i<bpm->index_length_array; i++)
503       for(j=0; j<bpm->length_array[i]; j++)
505 	  u = bpm->UVarray[k];
506 	  v = bpm->UVarray[k+1];
507 	  bezierSurfEval(u0,u1,uorder, v0, v1, vorder, dimension, ctlpoints, ustride, vstride, u,v, bpm->vertex_array+l);
508 	  bezierSurfEvalNormal(u0,u1,uorder, v0, v1, vorder, dimension, ctlpoints, ustride, vstride, u,v, bpm->normal_array+l);
524 void bezierPatchMeshDraw(bezierPatchMesh* bpm)
529   for(i=0; i<bpm->index_length_array; i++)
531       glBegin(bpm->type_array[i]);
532       for(j=0; j<bpm->length_array[i]; j++)
534 	  glNormal3fv(bpm->normal_array+k);
535 	  glVertex3fv(bpm->vertex_array+k);