edge slide: skip creating BMBVHTree when its not used.

[blender.git] / source / blender / editors / transform / transform.c

diff --git a/source/blender/editors/transform/transform.c b/source/blender/editors/transform/transform.c
index d877d506e3ee62eef6952330002919305ddfdebb..b50cb4428a5eaa06b00cbbb78d8954a30e994fed 100644 (file)
--- a/source/blender/editors/transform/transform.c
+++ b/source/blender/editors/transform/transform.c
@@ -4903,7 +4903,7 @@ static int createSlideVerts(TransInfo *t)
        BMEdge *e, *e1;
        BMVert *v, *v2, *first;
        TransDataSlideVert *sv_array;
-       BMBVHTree *btree = BMBVH_NewBVH(em, BMBVH_RESPECT_HIDDEN, NULL, NULL);
+       BMBVHTree *btree;
        SmallHash table;
        SlideData *sld = MEM_callocN(sizeof(*sld), "sld");
        View3D *v3d = NULL;
@@ -4915,6 +4915,7 @@ static int createSlideVerts(TransInfo *t)
        float vec[3], vec2[3] /*, lastvec[3], size, dis=0.0, z */ /* UNUSED */;
        float dir[3], maxdist, (*loop_dir)[3], *loop_maxdist;
        int numsel, i, j, loop_nr, l_nr;
+       int use_btree_disp;
 
        if (t->spacetype == SPACE_VIEW3D) {
                /* background mode support */
@@ -4922,6 +4923,15 @@ static int createSlideVerts(TransInfo *t)
                rv3d = t->ar ? t->ar->regiondata : NULL;
        }
 
+       use_btree_disp = (v3d && t->obedit->dt > OB_WIRE && v3d->drawtype > OB_WIRE);
+
+       if (use_btree_disp) {
+               btree = BMBVH_NewBVH(em, BMBVH_RESPECT_HIDDEN, NULL, NULL);
+       }
+       else {
+               btree = NULL;
+       }
+
        sld->is_proportional = TRUE;
        sld->curr_sv_index = 0;
        sld->flipped_vtx = FALSE;
@@ -4955,7 +4965,8 @@ static int createSlideVerts(TransInfo *t)
 
                        if (numsel == 0 || numsel > 2) {
                                MEM_freeN(sld);
-                               BMBVH_FreeBVH(btree);
+                               if (btree)
+                                       BMBVH_FreeBVH(btree);
                                return 0; /* invalid edge selection */
                        }
                }
@@ -4965,7 +4976,8 @@ static int createSlideVerts(TransInfo *t)
                if (BM_elem_flag_test(e, BM_ELEM_SELECT)) {
                        if (!BM_edge_is_manifold(e)) {
                                MEM_freeN(sld);
-                               BMBVH_FreeBVH(btree);
+                               if (btree)
+                                       BMBVH_FreeBVH(btree);
                                return 0; /* can only handle exactly 2 faces around each edge */
                        }
                }
@@ -4985,7 +4997,8 @@ static int createSlideVerts(TransInfo *t)
 
        if (!j) {
                MEM_freeN(sld);
-               BMBVH_FreeBVH(btree);
+               if (btree)
+                       BMBVH_FreeBVH(btree);
                return 0;
        }
 
@@ -5140,9 +5153,7 @@ static int createSlideVerts(TransInfo *t)
                                                continue;
 
                                        /* This test is only relevant if object is not wire-drawn! See [#32068]. */
-                                       if (v3d && t->obedit->dt > OB_WIRE && v3d->drawtype > OB_WIRE &&
-                                           !BMBVH_EdgeVisible(btree, e2, ar, v3d, t->obedit))
-                                       {
+                                       if (use_btree_disp && !BMBVH_EdgeVisible(btree, e2, ar, v3d, t->obedit)) {
                                                continue;
                                        }
 
@@ -5244,10 +5255,12 @@ static int createSlideVerts(TransInfo *t)
        t->customData = sld;
        
        BLI_smallhash_release(&table);
-       BMBVH_FreeBVH(btree);
+       if (btree) {
+               BMBVH_FreeBVH(btree);
+       }
        MEM_freeN(loop_dir);
        MEM_freeN(loop_maxdist);
-       
+
        return 1;
 }