[Bf-blender-cvs] [215a6f1c10c] blender-v2.93-release: Fix T92384: Wrong UV layers used with Boolean Modifier (Fast Solver)
Campbell Barton
noreply at git.blender.org
Tue Nov 23 10:08:16 CET 2021
Commit: 215a6f1c10ce0b52e84153547fcc4d4073c16524
Author: Campbell Barton
Date: Tue Nov 9 16:58:45 2021 +1100
Branches: blender-v2.93-release
https://developer.blender.org/rB215a6f1c10ce0b52e84153547fcc4d4073c16524
Fix T92384: Wrong UV layers used with Boolean Modifier (Fast Solver)
Ensure the layers from the source mesh are used instead of the
object referenced by the boolean modifier.
===================================================================
M source/blender/bmesh/intern/bmesh_construct.c
M source/blender/bmesh/intern/bmesh_construct.h
M source/blender/modifiers/intern/MOD_boolean.cc
===================================================================
diff --git a/source/blender/bmesh/intern/bmesh_construct.c b/source/blender/bmesh/intern/bmesh_construct.c
index 3eab252df7a..fc5ee0d86f7 100644
--- a/source/blender/bmesh/intern/bmesh_construct.c
+++ b/source/blender/bmesh/intern/bmesh_construct.c
@@ -31,6 +31,7 @@
#include "BKE_customdata.h"
+#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "bmesh.h"
@@ -589,6 +590,25 @@ static BMFace *bm_mesh_copy_new_face(
return f_new;
}
+void BM_mesh_copy_init_customdata_from_mesh(BMesh *bm_dst,
+ const Mesh *me_src,
+ const BMAllocTemplate *allocsize)
+{
+ if (allocsize == NULL) {
+ allocsize = &bm_mesh_allocsize_default;
+ }
+
+ CustomData_copy(&me_src->vdata, &bm_dst->vdata, CD_MASK_BMESH.vmask, CD_CALLOC, 0);
+ CustomData_copy(&me_src->edata, &bm_dst->edata, CD_MASK_BMESH.emask, CD_CALLOC, 0);
+ CustomData_copy(&me_src->ldata, &bm_dst->ldata, CD_MASK_BMESH.lmask, CD_CALLOC, 0);
+ CustomData_copy(&me_src->pdata, &bm_dst->pdata, CD_MASK_BMESH.pmask, CD_CALLOC, 0);
+
+ CustomData_bmesh_init_pool(&bm_dst->vdata, allocsize->totvert, BM_VERT);
+ CustomData_bmesh_init_pool(&bm_dst->edata, allocsize->totedge, BM_EDGE);
+ CustomData_bmesh_init_pool(&bm_dst->ldata, allocsize->totloop, BM_LOOP);
+ CustomData_bmesh_init_pool(&bm_dst->pdata, allocsize->totface, BM_FACE);
+}
+
void BM_mesh_copy_init_customdata(BMesh *bm_dst, BMesh *bm_src, const BMAllocTemplate *allocsize)
{
if (allocsize == NULL) {
diff --git a/source/blender/bmesh/intern/bmesh_construct.h b/source/blender/bmesh/intern/bmesh_construct.h
index f5102283ede..f2b5e2b4daa 100644
--- a/source/blender/bmesh/intern/bmesh_construct.h
+++ b/source/blender/bmesh/intern/bmesh_construct.h
@@ -23,6 +23,7 @@
#include "bmesh_core.h"
struct BMAllocTemplate;
+struct Mesh;
bool BM_verts_from_edges(BMVert **vert_arr, BMEdge **edge_arr, const int len);
@@ -66,6 +67,9 @@ void BM_elem_attrs_copy_ex(BMesh *bm_src,
void BM_elem_attrs_copy(BMesh *bm_src, BMesh *bm_dst, const void *ele_src_v, void *ele_dst_v);
void BM_elem_select_copy(BMesh *bm_dst, void *ele_dst_v, const void *ele_src_v);
+void BM_mesh_copy_init_customdata_from_mesh(BMesh *bm_dst,
+ const struct Mesh *me_src,
+ const struct BMAllocTemplate *allocsize);
void BM_mesh_copy_init_customdata(BMesh *bm_dst,
BMesh *bm_src,
const struct BMAllocTemplate *allocsize);
diff --git a/source/blender/modifiers/intern/MOD_boolean.cc b/source/blender/modifiers/intern/MOD_boolean.cc
index 846be9bc1df..2677ffe2477 100644
--- a/source/blender/modifiers/intern/MOD_boolean.cc
+++ b/source/blender/modifiers/intern/MOD_boolean.cc
@@ -248,6 +248,10 @@ static BMesh *BMD_mesh_bm_create(
BMeshCreateParams bmcp = {false};
BMesh *bm = BM_mesh_create(&allocsize, &bmcp);
+ /* Needed so active layers are set based on `mesh` not `mesh_operand_ob`,
+ * otherwise the wrong active render layer is used, see T92384. */
+ BM_mesh_copy_init_customdata_from_mesh(bm, mesh, &allocsize);
+
BMeshFromMeshParams params{};
params.calc_face_normal = true;
BM_mesh_bm_from_me(bm, mesh_operand_ob, ¶ms);
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