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Fix #21827: Outer portions of extruded 2D curves do not render correctly

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DispList->rt is used by render stuff to set vlak flags. This rt field is setting
to nurbs's flags in displist creation function. Possible flags for nurbs are
CU_SMOOTH and CU_2D. CU_SMOOTH is ok, but CU_2D conflicts with R_NOPUNOFLIP.

I cleared rt's CU_2D flag. Don't forget about possible conflicts if new
nurbs flags will be added.
This commit is contained in:
Sergey Sharybin 2010-03-30 09:57:58 +00:00
parent c36e00cd52
commit bdea39c809
1 changed files with 35 additions and 22 deletions
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21
source/blender/blenkernel/intern/displist.c
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@ -1589,7 +1589,10 @@ void makeDispListSurf(Scene *scene, Object *ob, ListBase *dispbase,
dl->nr= len;
dl->col= nu->mat_nr;
dl->charidx= nu->charidx;
dl->rt= nu->flag;
/* dl->rt will be used as flag for render face and */
/* CU_2D conflicts with R_NOPUNOFLIP */
dl->rt= nu->flag & ~CU_2D;
data= dl->verts;
if(nu->flagu & CU_NURB_CYCLIC) dl->type= DL_POLY;
@ -1606,7 +1609,10 @@ void makeDispListSurf(Scene *scene, Object *ob, ListBase *dispbase,
dl->col= nu->mat_nr;
dl->charidx= nu->charidx;
dl->rt= nu->flag;
/* dl->rt will be used as flag for render face and */
/* CU_2D conflicts with R_NOPUNOFLIP */
dl->rt= nu->flag & ~CU_2D;
data= dl->verts;
dl->type= DL_SURF;
@ -1701,7 +1707,10 @@ static void do_makeDispListCurveTypes(Scene *scene, Object *ob, ListBase *dispba
dl->nr= bl->nr;
dl->col= nu->mat_nr;
dl->charidx= nu->charidx;
dl->rt= nu->flag;
/* dl->rt will be used as flag for render face and */
/* CU_2D conflicts with R_NOPUNOFLIP */
dl->rt= nu->flag & ~CU_2D;
a= dl->nr;
bevp= (BevPoint *)(bl+1);
@ -1734,7 +1743,11 @@ static void do_makeDispListCurveTypes(Scene *scene, Object *ob, ListBase *dispba
dl->nr= dlb->nr;
dl->col= nu->mat_nr;
dl->charidx= nu->charidx;
dl->rt= nu->flag;
/* dl->rt will be used as flag for render face and */
/* CU_2D conflicts with R_NOPUNOFLIP */
dl->rt= nu->flag & ~CU_2D;
dl->bevelSplitFlag= MEM_callocN(sizeof(*dl->col2)*((bl->nr+0x1F)>>5), "col2");
bevp= (BevPoint *)(bl+1);