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bmesh optimization: use BM_face_create() rather then BM_face_create_ngon() in BM_mesh_copy(), gives ~30% overall speedup in my tests.

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Campbell Barton
2012-12-19 09:13:06 +00:00
parent 62988549a1
commit fbf4f57cd6
2 changed files with 21 additions and 1 deletions
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20
source/blender/bmesh/intern/bmesh_construct.c
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@@ -816,6 +816,8 @@ void BM_elem_attrs_copy(BMesh *source_mesh, BMesh *target_mesh, const void *sour
BMesh *BM_mesh_copy(BMesh *bm_old)
{
#define USE_FAST_FACE_COPY
BMesh *bm_new;
BMVert *v, *v2, **vtable = NULL;
BMEdge *e, *e2, **edges = NULL, **etable = NULL;
@@ -823,6 +825,10 @@ BMesh *BM_mesh_copy(BMesh *bm_old)
BLI_array_declare(edges);
BMLoop *l, /* *l2, */ **loops = NULL;
BLI_array_declare(loops);
#ifdef USE_FAST_FACE_COPY
BMVert **verts = NULL;
BLI_array_declare(verts);
#endif
BMFace *f, *f2, **ftable = NULL;
BMEditSelection *ese;
BMIter iter, liter;
@@ -890,12 +896,24 @@ BMesh *BM_mesh_copy(BMesh *bm_old)
BLI_array_grow_items(loops, f->len);
BLI_array_grow_items(edges, f->len);
#ifdef USE_FAST_FACE_COPY
BLI_array_empty(verts);
BLI_array_grow_items(verts, f->len);
#endif
l = BM_iter_new(&liter, bm_old, BM_LOOPS_OF_FACE, f);
for (j = 0; j < f->len; j++, l = BM_iter_step(&liter)) {
loops[j] = l;
edges[j] = etable[BM_elem_index_get(l->e)];
#ifdef USE_FAST_FACE_COPY
verts[j] = vtable[BM_elem_index_get(l->v)];
#endif
}
#ifdef USE_FAST_FACE_COPY
f2 = BM_face_create(bm_new, verts, edges, f->len, BM_CREATE_SKIP_CD);
#else
v = vtable[BM_elem_index_get(loops[0]->v)];
v2 = vtable[BM_elem_index_get(loops[1]->v)];
@@ -905,6 +923,8 @@ BMesh *BM_mesh_copy(BMesh *bm_old)
}
f2 = BM_face_create_ngon(bm_new, v, v2, edges, f->len, BM_CREATE_SKIP_CD);
#endif
if (UNLIKELY(f2 == NULL)) {
continue;
}

2
source/blender/editors/interface/interface_icons.c
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@@ -986,7 +986,7 @@ static void icon_draw_size(float x, float y, int icon_id, float aspect, float al
Icon *icon = NULL;
DrawInfo *di = NULL;
IconImage *iimg;
float fdraw_size = draw_size;
const float fdraw_size = (float)draw_size;
int w, h;
icon = BKE_icon_get(icon_id);