[Bf-blender-cvs] [35ae1da16c6] master: Mesh: simple extract mask optimizations
Campbell Barton
noreply at git.blender.org
Thu Oct 3 17:16:14 CEST 2019
Commit: 35ae1da16c6aab293adbe1e4eecba624006a085c
Author: Campbell Barton
Date: Fri Oct 4 01:14:16 2019 +1000
Branches: master
https://developer.blender.org/rB35ae1da16c6aab293adbe1e4eecba624006a085c
Mesh: simple extract mask optimizations
- Avoid per-vertex custom-data lookup
- Break once a face has a mask vertex.
===================================================================
M source/blender/editors/mesh/editmesh_mask_extract.c
===================================================================
diff --git a/source/blender/editors/mesh/editmesh_mask_extract.c b/source/blender/editors/mesh/editmesh_mask_extract.c
index f4f5fa26f17..272bae50f17 100644
--- a/source/blender/editors/mesh/editmesh_mask_extract.c
+++ b/source/blender/editors/mesh/editmesh_mask_extract.c
@@ -101,15 +101,18 @@ static int paint_mask_extract_exec(bContext *C, wmOperator *op)
BMIter face_iter;
/* Delete all unmasked faces */
+ const int cd_vert_mask_offset = CustomData_get_offset(&bm->vdata, CD_PAINT_MASK);
+ BLI_assert(cd_vert_mask_offset != -1);
BM_mesh_elem_hflag_disable_all(bm, BM_VERT | BM_EDGE | BM_FACE, BM_ELEM_TAG, false);
float mask_threshold = RNA_float_get(op->ptr, "mask_threshold");
BM_ITER_MESH (f, &iter, bm, BM_FACES_OF_MESH) {
bool keep_face = true;
BM_ITER_ELEM (v, &face_iter, f, BM_VERTS_OF_FACE) {
- float mask = BM_elem_float_data_get(&bm->vdata, v, CD_PAINT_MASK);
+ const float mask = BM_ELEM_CD_GET_FLOAT(v, cd_vert_mask_offset);
if (mask < mask_threshold) {
keep_face = false;
+ break;
}
}
BM_elem_flag_set(f, BM_ELEM_TAG, !keep_face);
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