/* SPDX-FileCopyrightText: 2005 Blender Authors * * SPDX-License-Identifier: GPL-2.0-or-later */ /** \file * \ingroup bke */ #include #include #include "MEM_guardedalloc.h" #include "DNA_cloth_types.h" #include "DNA_customdata_types.h" #include "DNA_key_types.h" #include "DNA_material_types.h" #include "DNA_mesh_types.h" #include "DNA_meshdata_types.h" #include "DNA_object_types.h" #include "DNA_scene_types.h" #include "BLI_bitmap.h" #include "BLI_blenlib.h" #include "BLI_linklist.h" #include "BLI_math_geom.h" #include "BLI_math_matrix.h" #include "BLI_math_vector_types.hh" #include "BLI_span.hh" #include "BLI_task.h" #include "BLI_task.hh" #include "BLI_utildefines.h" #include "BLI_vector.hh" #include "BKE_DerivedMesh.hh" #include "BKE_bvhutils.hh" #include "BKE_colorband.h" #include "BKE_deform.h" #include "BKE_editmesh.hh" #include "BKE_editmesh_cache.hh" #include "BKE_geometry_set.hh" #include "BKE_geometry_set_instances.hh" #include "BKE_key.h" #include "BKE_layer.h" #include "BKE_lib_id.h" #include "BKE_material.h" #include "BKE_mesh.hh" #include "BKE_mesh_iterators.hh" #include "BKE_mesh_mapping.hh" #include "BKE_mesh_runtime.hh" #include "BKE_mesh_tangent.hh" #include "BKE_mesh_wrapper.hh" #include "BKE_modifier.hh" #include "BKE_multires.hh" #include "BKE_object.hh" #include "BKE_object_deform.h" #include "BKE_object_types.hh" #include "BKE_paint.hh" #include "BKE_subdiv_modifier.hh" #include "BLI_sys_types.h" /* for intptr_t support */ #include "BKE_shrinkwrap.h" #include "DEG_depsgraph.hh" #include "DEG_depsgraph_query.hh" #include "CLG_log.h" #ifdef WITH_OPENSUBDIV # include "DNA_userdef_types.h" #endif using blender::float3; using blender::IndexRange; using blender::MutableSpan; using blender::Span; using blender::VArray; using blender::bke::GeometryOwnershipType; using blender::bke::GeometrySet; using blender::bke::MeshComponent; /* very slow! enable for testing only! */ //#define USE_MODIFIER_VALIDATE #ifdef USE_MODIFIER_VALIDATE # define ASSERT_IS_VALID_MESH(mesh) \ (BLI_assert((mesh == nullptr) || (BKE_mesh_is_valid(mesh) == true))) #else # define ASSERT_IS_VALID_MESH(mesh) #endif static void mesh_init_origspace(Mesh *mesh); static void editbmesh_calc_modifier_final_normals(Mesh *mesh_final); static void editbmesh_calc_modifier_final_normals_or_defer(Mesh *mesh_final); /* -------------------------------------------------------------------- */ static float *dm_getVertArray(DerivedMesh *dm) { float(*positions)[3] = (float(*)[3])CustomData_get_layer_named_for_write( &dm->vertData, CD_PROP_FLOAT3, "position", dm->getNumVerts(dm)); if (!positions) { positions = (float(*)[3])CustomData_add_layer_named( &dm->vertData, CD_PROP_FLOAT3, CD_SET_DEFAULT, dm->getNumVerts(dm), "position"); CustomData_set_layer_flag(&dm->vertData, CD_PROP_FLOAT3, CD_FLAG_TEMPORARY); dm->copyVertArray(dm, positions); } return (float *)positions; } static vec2i *dm_getEdgeArray(DerivedMesh *dm) { vec2i *edge = (vec2i *)CustomData_get_layer_named_for_write( &dm->edgeData, CD_PROP_INT32_2D, ".edge_verts", dm->getNumEdges(dm)); if (!edge) { edge = (vec2i *)CustomData_add_layer_named( &dm->edgeData, CD_PROP_INT32_2D, CD_SET_DEFAULT, dm->getNumEdges(dm), ".edge_verts"); CustomData_set_layer_flag(&dm->edgeData, CD_PROP_INT32_2D, CD_FLAG_TEMPORARY); dm->copyEdgeArray(dm, edge); } return edge; } static int *dm_getCornerVertArray(DerivedMesh *dm) { int *corner_verts = (int *)CustomData_get_layer_named_for_write( &dm->loopData, CD_PROP_INT32, ".corner_vert", dm->getNumLoops(dm)); if (!corner_verts) { corner_verts = (int *)CustomData_add_layer_named( &dm->loopData, CD_PROP_INT32, CD_SET_DEFAULT, dm->getNumLoops(dm), ".corner_vert"); dm->copyCornerVertArray(dm, corner_verts); } return corner_verts; } static int *dm_getCornerEdgeArray(DerivedMesh *dm) { int *corner_edges = (int *)CustomData_get_layer_named( &dm->loopData, CD_PROP_INT32, ".corner_edge"); if (!corner_edges) { corner_edges = (int *)CustomData_add_layer_named( &dm->loopData, CD_PROP_INT32, CD_SET_DEFAULT, dm->getNumLoops(dm), ".corner_edge"); dm->copyCornerEdgeArray(dm, corner_edges); } return corner_edges; } static int *dm_getPolyArray(DerivedMesh *dm) { if (!dm->face_offsets) { dm->face_offsets = MEM_cnew_array(dm->getNumPolys(dm) + 1, __func__); dm->copyPolyArray(dm, dm->face_offsets); } return dm->face_offsets; } void DM_init_funcs(DerivedMesh *dm) { /* default function implementations */ dm->getVertArray = dm_getVertArray; dm->getEdgeArray = dm_getEdgeArray; dm->getCornerVertArray = dm_getCornerVertArray; dm->getCornerEdgeArray = dm_getCornerEdgeArray; dm->getPolyArray = dm_getPolyArray; dm->getVertDataArray = DM_get_vert_data_layer; dm->getEdgeDataArray = DM_get_edge_data_layer; dm->getPolyDataArray = DM_get_poly_data_layer; dm->getLoopDataArray = DM_get_loop_data_layer; } void DM_init(DerivedMesh *dm, DerivedMeshType type, int numVerts, int numEdges, int numTessFaces, int numLoops, int numPolys) { dm->type = type; dm->numVertData = numVerts; dm->numEdgeData = numEdges; dm->numTessFaceData = numTessFaces; dm->numLoopData = numLoops; dm->numPolyData = numPolys; DM_init_funcs(dm); /* Don't use #CustomData_reset because we don't want to touch custom-data. */ copy_vn_i(dm->vertData.typemap, CD_NUMTYPES, -1); copy_vn_i(dm->edgeData.typemap, CD_NUMTYPES, -1); copy_vn_i(dm->faceData.typemap, CD_NUMTYPES, -1); copy_vn_i(dm->loopData.typemap, CD_NUMTYPES, -1); copy_vn_i(dm->polyData.typemap, CD_NUMTYPES, -1); } void DM_from_template(DerivedMesh *dm, DerivedMesh *source, DerivedMeshType type, int numVerts, int numEdges, int numTessFaces, int numLoops, int numPolys) { const CustomData_MeshMasks *mask = &CD_MASK_DERIVEDMESH; CustomData_copy_layout(&source->vertData, &dm->vertData, mask->vmask, CD_SET_DEFAULT, numVerts); CustomData_copy_layout(&source->edgeData, &dm->edgeData, mask->emask, CD_SET_DEFAULT, numEdges); CustomData_copy_layout( &source->faceData, &dm->faceData, mask->fmask, CD_SET_DEFAULT, numTessFaces); CustomData_copy_layout(&source->loopData, &dm->loopData, mask->lmask, CD_SET_DEFAULT, numLoops); CustomData_copy_layout(&source->polyData, &dm->polyData, mask->pmask, CD_SET_DEFAULT, numPolys); dm->face_offsets = static_cast(MEM_dupallocN(source->face_offsets)); dm->type = type; dm->numVertData = numVerts; dm->numEdgeData = numEdges; dm->numTessFaceData = numTessFaces; dm->numLoopData = numLoops; dm->numPolyData = numPolys; DM_init_funcs(dm); } void DM_release(DerivedMesh *dm) { CustomData_free(&dm->vertData, dm->numVertData); CustomData_free(&dm->edgeData, dm->numEdgeData); CustomData_free(&dm->faceData, dm->numTessFaceData); CustomData_free(&dm->loopData, dm->numLoopData); CustomData_free(&dm->polyData, dm->numPolyData); MEM_SAFE_FREE(dm->face_offsets); } void BKE_mesh_runtime_eval_to_meshkey(Mesh *me_deformed, Mesh *me, KeyBlock *kb) { /* Just a shallow wrapper around #BKE_keyblock_convert_from_mesh, * that ensures both evaluated mesh and original one has same number of vertices. */ const int totvert = me_deformed->totvert; if (totvert == 0 || me->totvert == 0 || me->totvert != totvert) { return; } BKE_keyblock_convert_from_mesh(me_deformed, me->key, kb); } void DM_set_only_copy(DerivedMesh *dm, const CustomData_MeshMasks *mask) { CustomData_set_only_copy(&dm->vertData, mask->vmask); CustomData_set_only_copy(&dm->edgeData, mask->emask); CustomData_set_only_copy(&dm->faceData, mask->fmask); /* this wasn't in 2.63 and is disabled for 2.64 because it gives problems with * weight paint mode when there are modifiers applied, needs further investigation, * see replies to r50969, Campbell */ #if 0 CustomData_set_only_copy(&dm->loopData, mask->lmask); Custom(&dm->polyData, mask->pmask); #endif } static void mesh_set_only_copy(Mesh *mesh, const CustomData_MeshMasks *mask) { CustomData_set_only_copy(&mesh->vert_data, mask->vmask); CustomData_set_only_copy(&mesh->edge_data, mask->emask); CustomData_set_only_copy(&mesh->fdata_legacy, mask->fmask); /* this wasn't in 2.63 and is disabled for 2.64 because it gives problems with * weight paint mode when there are modifiers applied, needs further investigation, * see replies to r50969, Campbell */ #if 0 CustomData_set_only_copy(&mesh->ldata, mask->lmask); CustomData_set_only_copy(&mesh->pdata, mask->pmask); #endif } void *DM_get_vert_data_layer(DerivedMesh *dm, const eCustomDataType type) { return CustomData_get_layer_for_write(&dm->vertData, type, dm->getNumVerts(dm)); } void *DM_get_edge_data_layer(DerivedMesh *dm, const eCustomDataType type) { return CustomData_get_layer_for_write(&dm->edgeData, type, dm->getNumEdges(dm)); } void *DM_get_poly_data_layer(DerivedMesh *dm, const eCustomDataType type) { return CustomData_get_layer_for_write(&dm->polyData, type, dm->getNumPolys(dm)); } void *DM_get_loop_data_layer(DerivedMesh *dm, const eCustomDataType type) { return CustomData_get_layer_for_write(&dm->loopData, type, dm->getNumLoops(dm)); } void DM_copy_vert_data( const DerivedMesh *source, DerivedMesh *dest, int source_index, int dest_index, int count) { CustomData_copy_data(&source->vertData, &dest->vertData, source_index, dest_index, count); } void DM_interp_vert_data(const DerivedMesh *source, DerivedMesh *dest, int *src_indices, float *weights, int count, int dest_index) { CustomData_interp( &source->vertData, &dest->vertData, src_indices, weights, nullptr, count, dest_index); } static float (*get_editbmesh_orco_verts(BMEditMesh *em))[3] { BMIter iter; BMVert *eve; float(*orco)[3]; int i; /* these may not really be the orco's, but it's only for preview. * could be solver better once, but isn't simple */ orco = (float(*)[3])MEM_malloc_arrayN(em->bm->totvert, sizeof(float[3]), "BMEditMesh Orco"); BM_ITER_MESH_INDEX (eve, &iter, em->bm, BM_VERTS_OF_MESH, i) { copy_v3_v3(orco[i], eve->co); } return orco; } /* orco custom data layer */ static float (*get_orco_coords(Object *ob, BMEditMesh *em, int layer, int *free))[3] { *free = 0; if (layer == CD_ORCO) { /* get original coordinates */ *free = 1; if (em) { return get_editbmesh_orco_verts(em); } return BKE_mesh_orco_verts_get(ob); } if (layer == CD_CLOTH_ORCO) { /* apply shape key for cloth, this should really be solved * by a more flexible customdata system, but not simple */ if (!em) { ClothModifierData *clmd = (ClothModifierData *)BKE_modifiers_findby_type( ob, eModifierType_Cloth); if (clmd) { KeyBlock *kb = BKE_keyblock_from_key(BKE_key_from_object(ob), clmd->sim_parms->shapekey_rest); if (kb && kb->data) { return (float(*)[3])kb->data; } } } return nullptr; } return nullptr; } static Mesh *create_orco_mesh(Object *ob, Mesh *me, BMEditMesh *em, int layer) { Mesh *mesh; float(*orco)[3]; int free; if (em) { mesh = BKE_mesh_from_bmesh_for_eval_nomain(em->bm, nullptr, me); BKE_mesh_ensure_default_orig_index_customdata(mesh); } else { mesh = BKE_mesh_copy_for_eval(me); } orco = get_orco_coords(ob, em, layer, &free); if (orco) { BKE_mesh_vert_coords_apply(mesh, orco); if (free) { MEM_freeN(orco); } } return mesh; } static MutableSpan orco_coord_layer_ensure(Mesh *mesh, const eCustomDataType layer) { void *data = CustomData_get_layer_for_write(&mesh->vert_data, layer, mesh->totvert); if (!data) { data = CustomData_add_layer(&mesh->vert_data, layer, CD_CONSTRUCT, mesh->totvert); } return MutableSpan(reinterpret_cast(data), mesh->totvert); } static void add_orco_mesh( Object *ob, BMEditMesh *em, Mesh *mesh, Mesh *mesh_orco, const eCustomDataType layer) { const int totvert = mesh->totvert; MutableSpan layer_orco; if (mesh_orco) { layer_orco = orco_coord_layer_ensure(mesh, layer); if (mesh_orco->totvert == totvert) { layer_orco.copy_from(mesh_orco->vert_positions()); } else { layer_orco.copy_from(mesh->vert_positions()); } } else { /* TODO(sybren): totvert should potentially change here, as ob->data * or em may have a different number of vertices than dm. */ int free = 0; float(*orco)[3] = get_orco_coords(ob, em, layer, &free); if (orco) { layer_orco = orco_coord_layer_ensure(mesh, layer); layer_orco.copy_from(Span(reinterpret_cast(orco), totvert)); } if (free) { MEM_freeN(orco); } } if (!layer_orco.is_empty()) { if (layer == CD_ORCO) { BKE_mesh_orco_verts_transform( (Mesh *)ob->data, reinterpret_cast(layer_orco.data()), totvert, false); } } } /* Does final touches to the final evaluated mesh, making sure it is perfectly usable. * * This is needed because certain information is not passed along intermediate meshes allocated * during stack evaluation. */ static void mesh_calc_finalize(const Mesh *mesh_input, Mesh *mesh_eval) { /* Make sure the name is the same. This is because mesh allocation from template does not * take care of naming. */ STRNCPY(mesh_eval->id.name, mesh_input->id.name); /* Make evaluated mesh to share same edit mesh pointer as original and copied meshes. */ mesh_eval->edit_mesh = mesh_input->edit_mesh; } void BKE_mesh_wrapper_deferred_finalize_mdata(Mesh *me_eval) { if (me_eval->runtime->wrapper_type_finalize & (1 << ME_WRAPPER_TYPE_BMESH)) { editbmesh_calc_modifier_final_normals(me_eval); me_eval->runtime->wrapper_type_finalize = eMeshWrapperType( me_eval->runtime->wrapper_type_finalize & ~(1 << ME_WRAPPER_TYPE_BMESH)); } BLI_assert(me_eval->runtime->wrapper_type_finalize == 0); } /** * Modifies the given mesh and geometry set. The mesh is not passed as part of the mesh component * in the \a geometry_set input, it is only passed in \a input_mesh and returned in the return * value. * * The purpose of the geometry set is to store all geometry components that are generated * by modifiers to allow outputting non-mesh data from modifiers. */ static Mesh *modifier_modify_mesh_and_geometry_set(ModifierData *md, const ModifierEvalContext &mectx, Mesh *input_mesh, GeometrySet &geometry_set) { Mesh *mesh_output = nullptr; const ModifierTypeInfo *mti = BKE_modifier_get_info((ModifierType)md->type); if (mti->modify_geometry_set == nullptr) { mesh_output = BKE_modifier_modify_mesh(md, &mectx, input_mesh); } else { /* For performance reasons, this should be called by the modifier and/or nodes themselves at * some point. */ BKE_mesh_wrapper_ensure_mdata(input_mesh); /* Replace only the mesh rather than the whole component, because the entire #MeshComponent * might have been replaced by data from a different object in the node tree, which means the * component contains vertex group name data for that object that should not be removed. */ geometry_set.replace_mesh(input_mesh, GeometryOwnershipType::Editable); /* Let the modifier change the geometry set. */ mti->modify_geometry_set(md, &mectx, &geometry_set); /* Release the mesh from the geometry set again. */ if (geometry_set.has()) { MeshComponent &mesh_component = geometry_set.get_component_for_write(); if (mesh_component.get() != input_mesh) { /* Make sure the mesh component actually owns the mesh before taking over ownership. */ mesh_component.ensure_owns_direct_data(); } mesh_output = mesh_component.release(); } /* Need to ensure that non-mesh data is also owned by the geometry set. Otherwise it might be * freed while there is still a reference to it in the geometry. */ geometry_set.ensure_owns_direct_data(); /* Return an empty mesh instead of null. */ if (mesh_output == nullptr) { mesh_output = BKE_mesh_new_nomain(0, 0, 0, 0); BKE_mesh_copy_parameters_for_eval(mesh_output, input_mesh); } } return mesh_output; } static void set_rest_position(Mesh &mesh) { using namespace blender; using namespace blender::bke; MutableAttributeAccessor attributes = mesh.attributes_for_write(); const AttributeReader positions = attributes.lookup("position"); attributes.remove("rest_position"); if (positions) { if (positions.sharing_info && positions.varray.is_span()) { attributes.add("rest_position", ATTR_DOMAIN_POINT, AttributeInitShared(positions.varray.get_internal_span().data(), *positions.sharing_info)); } else { attributes.add( "rest_position", ATTR_DOMAIN_POINT, AttributeInitVArray(positions.varray)); } } } static void mesh_calc_modifiers(Depsgraph *depsgraph, const Scene *scene, Object *ob, const bool use_deform, const bool need_mapping, const CustomData_MeshMasks *dataMask, const bool use_cache, const bool allow_shared_mesh, /* return args */ Mesh **r_deform, Mesh **r_final, GeometrySet **r_geometry_set) { using namespace blender::bke; /* Input mesh shouldn't be modified. */ Mesh *mesh_input = (Mesh *)ob->data; /* The final mesh is the result of calculating all enabled modifiers. */ Mesh *mesh_final = nullptr; /* The result of calculating all leading deform modifiers. */ Mesh *mesh_deform = nullptr; /* This geometry set contains the non-mesh data that might be generated by modifiers. */ GeometrySet geometry_set_final; BLI_assert((mesh_input->id.tag & LIB_TAG_COPIED_ON_WRITE_EVAL_RESULT) == 0); /* Mesh with constructive modifiers but no deformation applied. Tracked * along with final mesh if undeformed / orco coordinates are requested * for texturing. */ Mesh *mesh_orco = nullptr; Mesh *mesh_orco_cloth = nullptr; /* Modifier evaluation modes. */ const bool use_render = (DEG_get_mode(depsgraph) == DAG_EVAL_RENDER); const int required_mode = use_render ? eModifierMode_Render : eModifierMode_Realtime; /* Sculpt can skip certain modifiers. */ const bool has_multires = BKE_sculpt_multires_active(scene, ob) != nullptr; bool multires_applied = false; const bool sculpt_mode = ob->mode & OB_MODE_SCULPT && ob->sculpt && !use_render; const bool sculpt_dyntopo = (sculpt_mode && ob->sculpt->bm) && !use_render; /* Modifier evaluation contexts for different types of modifiers. */ ModifierApplyFlag apply_render = use_render ? MOD_APPLY_RENDER : ModifierApplyFlag(0); ModifierApplyFlag apply_cache = use_cache ? MOD_APPLY_USECACHE : ModifierApplyFlag(0); const ModifierEvalContext mectx = {depsgraph, ob, apply_render | apply_cache}; const ModifierEvalContext mectx_orco = {depsgraph, ob, apply_render | MOD_APPLY_ORCO}; /* Get effective list of modifiers to execute. Some effects like shape keys * are added as virtual modifiers before the user created modifiers. */ VirtualModifierData virtual_modifier_data; ModifierData *firstmd = BKE_modifiers_get_virtual_modifierlist(ob, &virtual_modifier_data); ModifierData *md = firstmd; /* Preview colors by modifiers such as dynamic paint, to show the results * even if the resulting data is not used in a material. Only in object mode. * TODO: this is broken, not drawn by the drawn manager. */ const bool do_mod_mcol = (ob->mode == OB_MODE_OBJECT); ModifierData *previewmd = nullptr; CustomData_MeshMasks previewmask = {0}; if (do_mod_mcol) { /* Find the last active modifier generating a preview, or nullptr if none. */ /* XXX Currently, DPaint modifier just ignores this. * Needs a stupid hack... * The whole "modifier preview" thing has to be (re?)designed, anyway! */ previewmd = BKE_modifier_get_last_preview(scene, md, required_mode); } /* Compute accumulated datamasks needed by each modifier. It helps to do * this fine grained so that for example vertex groups are preserved up to * an armature modifier, but not through a following subsurf modifier where * subdividing them is expensive. */ CustomData_MeshMasks final_datamask = *dataMask; CDMaskLink *datamasks = BKE_modifier_calc_data_masks( scene, md, &final_datamask, required_mode, previewmd, &previewmask); CDMaskLink *md_datamask = datamasks; /* XXX Always copying POLYINDEX, else tessellated data are no more valid! */ CustomData_MeshMasks append_mask = CD_MASK_BAREMESH_ORIGINDEX; /* Clear errors before evaluation. */ BKE_modifiers_clear_errors(ob); if (ob->modifier_flag & OB_MODIFIER_FLAG_ADD_REST_POSITION) { if (mesh_final == nullptr) { mesh_final = BKE_mesh_copy_for_eval(mesh_input); ASSERT_IS_VALID_MESH(mesh_final); } set_rest_position(*mesh_final); } /* Apply all leading deform modifiers. */ if (use_deform) { for (; md; md = md->next, md_datamask = md_datamask->next) { const ModifierTypeInfo *mti = BKE_modifier_get_info((ModifierType)md->type); if (!BKE_modifier_is_enabled(scene, md, required_mode)) { continue; } if (mti->type == ModifierTypeType::OnlyDeform && !sculpt_dyntopo) { blender::bke::ScopedModifierTimer modifier_timer{*md}; if (!mesh_final) { mesh_final = BKE_mesh_copy_for_eval(mesh_input); ASSERT_IS_VALID_MESH(mesh_final); } if (mti->required_data_mask) { CustomData_MeshMasks mask{}; mti->required_data_mask(md, &mask); if (mask.vmask & CD_MASK_ORCO) { add_orco_mesh(ob, nullptr, mesh_final, nullptr, CD_ORCO); } } BKE_modifier_deform_verts(md, &mectx, mesh_final, mesh_final->vert_positions_for_write()); } else { break; } } /* Result of all leading deforming modifiers is cached for * places that wish to use the original mesh but with deformed * coordinates (like vertex paint). */ if (r_deform) { mesh_deform = BKE_mesh_copy_for_eval(mesh_final ? mesh_final : mesh_input); } } /* Apply all remaining constructive and deforming modifiers. */ bool have_non_onlydeform_modifiers_applied = false; for (; md; md = md->next, md_datamask = md_datamask->next) { const ModifierTypeInfo *mti = BKE_modifier_get_info((ModifierType)md->type); if (!BKE_modifier_is_enabled(scene, md, required_mode)) { continue; } if (mti->type == ModifierTypeType::OnlyDeform && !use_deform) { continue; } if ((mti->flags & eModifierTypeFlag_RequiresOriginalData) && have_non_onlydeform_modifiers_applied) { BKE_modifier_set_error(ob, md, "Modifier requires original data, bad stack position"); continue; } if (sculpt_mode && (!has_multires || multires_applied || sculpt_dyntopo)) { bool unsupported = false; if (md->type == eModifierType_Multires && ((MultiresModifierData *)md)->sculptlvl == 0) { /* If multires is on level 0 skip it silently without warning message. */ if (!sculpt_dyntopo) { continue; } } if (sculpt_dyntopo) { unsupported = true; } if (scene->toolsettings->sculpt->flags & SCULPT_ONLY_DEFORM) { unsupported |= (mti->type != ModifierTypeType::OnlyDeform); } unsupported |= multires_applied; if (unsupported) { if (sculpt_dyntopo) { BKE_modifier_set_error(ob, md, "Not supported in dyntopo"); } else { BKE_modifier_set_error(ob, md, "Not supported in sculpt mode"); } continue; } } if (need_mapping && !BKE_modifier_supports_mapping(md)) { continue; } blender::bke::ScopedModifierTimer modifier_timer{*md}; /* Add orco mesh as layer if needed by this modifier. */ if (mesh_final && mesh_orco && mti->required_data_mask) { CustomData_MeshMasks mask = {0}; mti->required_data_mask(md, &mask); if (mask.vmask & CD_MASK_ORCO) { add_orco_mesh(ob, nullptr, mesh_final, mesh_orco, CD_ORCO); } } if (mti->type == ModifierTypeType::OnlyDeform) { if (!mesh_final) { mesh_final = BKE_mesh_copy_for_eval(mesh_input); ASSERT_IS_VALID_MESH(mesh_final); } BKE_modifier_deform_verts(md, &mectx, mesh_final, mesh_final->vert_positions_for_write()); } else { bool check_for_needs_mapping = false; if (mesh_final != nullptr) { if (have_non_onlydeform_modifiers_applied == false) { /* If we only deformed, we won't have initialized #CD_ORIGINDEX. * as this is the only part of the function that initializes mapping. */ check_for_needs_mapping = true; } } else { mesh_final = BKE_mesh_copy_for_eval(mesh_input); ASSERT_IS_VALID_MESH(mesh_final); check_for_needs_mapping = true; } have_non_onlydeform_modifiers_applied = true; /* determine which data layers are needed by following modifiers */ CustomData_MeshMasks nextmask = md_datamask->next ? md_datamask->next->mask : final_datamask; if (check_for_needs_mapping) { /* Initialize original indices the first time we evaluate a * constructive modifier. Modifiers will then do mapping mostly * automatic by copying them through CustomData_copy_data along * with other data. * * These are created when either requested by evaluation, or if * following modifiers requested them. */ if (need_mapping || ((nextmask.vmask | nextmask.emask | nextmask.pmask) & CD_MASK_ORIGINDEX)) { /* calc */ CustomData_add_layer( &mesh_final->vert_data, CD_ORIGINDEX, CD_CONSTRUCT, mesh_final->totvert); CustomData_add_layer( &mesh_final->edge_data, CD_ORIGINDEX, CD_CONSTRUCT, mesh_final->totedge); CustomData_add_layer( &mesh_final->face_data, CD_ORIGINDEX, CD_CONSTRUCT, mesh_final->faces_num); /* Not worth parallelizing this, * gives less than 0.1% overall speedup in best of best cases... */ range_vn_i((int *)CustomData_get_layer_for_write( &mesh_final->vert_data, CD_ORIGINDEX, mesh_final->totvert), mesh_final->totvert, 0); range_vn_i((int *)CustomData_get_layer_for_write( &mesh_final->edge_data, CD_ORIGINDEX, mesh_final->totedge), mesh_final->totedge, 0); range_vn_i((int *)CustomData_get_layer_for_write( &mesh_final->face_data, CD_ORIGINDEX, mesh_final->faces_num), mesh_final->faces_num, 0); } } /* set the Mesh to only copy needed data */ CustomData_MeshMasks mask = md_datamask->mask; /* needMapping check here fixes bug #28112, otherwise it's * possible that it won't be copied */ CustomData_MeshMasks_update(&mask, &append_mask); if (need_mapping) { mask.vmask |= CD_MASK_ORIGINDEX; mask.emask |= CD_MASK_ORIGINDEX; mask.pmask |= CD_MASK_ORIGINDEX; } mesh_set_only_copy(mesh_final, &mask); /* add cloth rest shape key if needed */ if (mask.vmask & CD_MASK_CLOTH_ORCO) { add_orco_mesh(ob, nullptr, mesh_final, mesh_orco, CD_CLOTH_ORCO); } /* add an origspace layer if needed */ if ((md_datamask->mask.lmask) & CD_MASK_ORIGSPACE_MLOOP) { if (!CustomData_has_layer(&mesh_final->loop_data, CD_ORIGSPACE_MLOOP)) { CustomData_add_layer( &mesh_final->loop_data, CD_ORIGSPACE_MLOOP, CD_SET_DEFAULT, mesh_final->totloop); mesh_init_origspace(mesh_final); } } Mesh *mesh_next = modifier_modify_mesh_and_geometry_set( md, mectx, mesh_final, geometry_set_final); ASSERT_IS_VALID_MESH(mesh_next); if (mesh_next) { /* if the modifier returned a new mesh, release the old one */ if (mesh_final != mesh_next) { BLI_assert(mesh_final != mesh_input); BKE_id_free(nullptr, mesh_final); } mesh_final = mesh_next; } /* create an orco mesh in parallel */ if (nextmask.vmask & CD_MASK_ORCO) { if (!mesh_orco) { mesh_orco = create_orco_mesh(ob, mesh_input, nullptr, CD_ORCO); } nextmask.vmask &= ~CD_MASK_ORCO; CustomData_MeshMasks temp_cddata_masks = {0}; temp_cddata_masks.vmask = CD_MASK_ORIGINDEX; temp_cddata_masks.emask = CD_MASK_ORIGINDEX; temp_cddata_masks.fmask = CD_MASK_ORIGINDEX; temp_cddata_masks.pmask = CD_MASK_ORIGINDEX; if (mti->required_data_mask != nullptr) { mti->required_data_mask(md, &temp_cddata_masks); } CustomData_MeshMasks_update(&temp_cddata_masks, &nextmask); mesh_set_only_copy(mesh_orco, &temp_cddata_masks); mesh_next = BKE_modifier_modify_mesh(md, &mectx_orco, mesh_orco); ASSERT_IS_VALID_MESH(mesh_next); if (mesh_next) { /* if the modifier returned a new mesh, release the old one */ if (mesh_orco != mesh_next) { BLI_assert(mesh_orco != mesh_input); BKE_id_free(nullptr, mesh_orco); } mesh_orco = mesh_next; } } /* create cloth orco mesh in parallel */ if (nextmask.vmask & CD_MASK_CLOTH_ORCO) { if (!mesh_orco_cloth) { mesh_orco_cloth = create_orco_mesh(ob, mesh_input, nullptr, CD_CLOTH_ORCO); } nextmask.vmask &= ~CD_MASK_CLOTH_ORCO; nextmask.vmask |= CD_MASK_ORIGINDEX; nextmask.emask |= CD_MASK_ORIGINDEX; nextmask.pmask |= CD_MASK_ORIGINDEX; mesh_set_only_copy(mesh_orco_cloth, &nextmask); mesh_next = BKE_modifier_modify_mesh(md, &mectx_orco, mesh_orco_cloth); ASSERT_IS_VALID_MESH(mesh_next); if (mesh_next) { /* if the modifier returned a new mesh, release the old one */ if (mesh_orco_cloth != mesh_next) { BLI_assert(mesh_orco != mesh_input); BKE_id_free(nullptr, mesh_orco_cloth); } mesh_orco_cloth = mesh_next; } } /* in case of dynamic paint, make sure preview mask remains for following modifiers */ /* XXX Temp and hackish solution! */ if (md->type == eModifierType_DynamicPaint) { append_mask.lmask |= CD_MASK_PREVIEW_MLOOPCOL; } mesh_final->runtime->deformed_only = false; } if (sculpt_mode && md->type == eModifierType_Multires) { multires_applied = true; } } BLI_linklist_free((LinkNode *)datamasks, nullptr); for (md = firstmd; md; md = md->next) { BKE_modifier_free_temporary_data(md); } if (mesh_final == nullptr) { if (allow_shared_mesh) { mesh_final = mesh_input; } else { mesh_final = BKE_mesh_copy_for_eval(mesh_input); } } /* Denotes whether the object which the modifier stack came from owns the mesh or whether the * mesh is shared across multiple objects since there are no effective modifiers. */ const bool is_own_mesh = (mesh_final != mesh_input); /* Add orco coordinates to final and deformed mesh if requested. */ if (final_datamask.vmask & CD_MASK_ORCO) { /* No need in ORCO layer if the mesh was not deformed or modified: undeformed mesh in this case * matches input mesh. */ if (is_own_mesh) { add_orco_mesh(ob, nullptr, mesh_final, mesh_orco, CD_ORCO); } if (mesh_deform) { add_orco_mesh(ob, nullptr, mesh_deform, nullptr, CD_ORCO); } } if (mesh_orco) { BKE_id_free(nullptr, mesh_orco); } if (mesh_orco_cloth) { BKE_id_free(nullptr, mesh_orco_cloth); } /* Remove temporary data layer only needed for modifier evaluation. * Save some memory, and ensure GPU subdivision does not need to deal with this. */ CustomData_free_layers(&mesh_final->vert_data, CD_CLOTH_ORCO, mesh_final->totvert); /* Compute normals. */ if (is_own_mesh) { mesh_calc_finalize(mesh_input, mesh_final); } else { blender::bke::MeshRuntime *runtime = mesh_input->runtime; if (runtime->mesh_eval == nullptr) { std::lock_guard lock{mesh_input->runtime->eval_mutex}; if (runtime->mesh_eval == nullptr) { /* Not yet finalized by any instance, do it now * Isolate since computing normals is multithreaded and we are holding a lock. */ blender::threading::isolate_task([&] { mesh_final = BKE_mesh_copy_for_eval(mesh_input); mesh_calc_finalize(mesh_input, mesh_final); runtime->mesh_eval = mesh_final; }); } else { /* Already finalized by another instance, reuse. */ mesh_final = runtime->mesh_eval; } } else { /* Already finalized by another instance, reuse. */ mesh_final = runtime->mesh_eval; } } /* Return final mesh */ *r_final = mesh_final; if (r_deform) { *r_deform = mesh_deform; } if (r_geometry_set) { *r_geometry_set = new GeometrySet(std::move(geometry_set_final)); } } static blender::Array editbmesh_vert_coords_alloc(const BMEditMesh *em) { blender::Array cos(em->bm->totvert); BMIter iter; BMVert *eve; int i; BM_ITER_MESH_INDEX (eve, &iter, em->bm, BM_VERTS_OF_MESH, i) { cos[i] = eve->co; } return cos; } bool editbmesh_modifier_is_enabled(const Scene *scene, const Object *ob, ModifierData *md, bool has_prev_mesh) { const ModifierTypeInfo *mti = BKE_modifier_get_info((ModifierType)md->type); const int required_mode = eModifierMode_Realtime | eModifierMode_Editmode; if (!BKE_modifier_is_enabled(scene, md, required_mode)) { return false; } if ((mti->flags & eModifierTypeFlag_RequiresOriginalData) && has_prev_mesh) { BKE_modifier_set_error(ob, md, "Modifier requires original data, bad stack position"); return false; } return true; } static void editbmesh_calc_modifier_final_normals(Mesh *mesh_final) { switch (mesh_final->runtime->wrapper_type) { case ME_WRAPPER_TYPE_SUBD: case ME_WRAPPER_TYPE_MDATA: break; case ME_WRAPPER_TYPE_BMESH: { BMEditMesh *em = mesh_final->edit_mesh; blender::bke::EditMeshData *emd = mesh_final->runtime->edit_data; if (!emd->vertexCos.is_empty()) { BKE_editmesh_cache_ensure_vert_normals(em, emd); BKE_editmesh_cache_ensure_face_normals(em, emd); } return; } } } static void editbmesh_calc_modifier_final_normals_or_defer(Mesh *mesh_final) { if (mesh_final->runtime->wrapper_type != ME_WRAPPER_TYPE_MDATA) { /* Generated at draw time. */ mesh_final->runtime->wrapper_type_finalize = eMeshWrapperType( 1 << mesh_final->runtime->wrapper_type); return; } editbmesh_calc_modifier_final_normals(mesh_final); } static MutableSpan mesh_wrapper_vert_coords_ensure_for_write(Mesh *mesh) { switch (mesh->runtime->wrapper_type) { case ME_WRAPPER_TYPE_BMESH: if (mesh->runtime->edit_data->vertexCos.is_empty()) { mesh->runtime->edit_data->vertexCos = editbmesh_vert_coords_alloc(mesh->edit_mesh); } return mesh->runtime->edit_data->vertexCos; case ME_WRAPPER_TYPE_MDATA: case ME_WRAPPER_TYPE_SUBD: return mesh->vert_positions_for_write(); } BLI_assert_unreachable(); return {}; } static void editbmesh_calc_modifiers(Depsgraph *depsgraph, const Scene *scene, Object *ob, BMEditMesh *em_input, const CustomData_MeshMasks *dataMask, /* return args */ Mesh **r_cage, Mesh **r_final, GeometrySet **r_geometry_set) { Mesh *mesh_input = (Mesh *)ob->data; Mesh *mesh_cage = nullptr; /* This geometry set contains the non-mesh data that might be generated by modifiers. */ GeometrySet geometry_set_final; /* Mesh with constructive modifiers but no deformation applied. Tracked * along with final mesh if undeformed / orco coordinates are requested * for texturing. */ Mesh *mesh_orco = nullptr; /* Modifier evaluation modes. */ const int required_mode = eModifierMode_Realtime | eModifierMode_Editmode; const bool use_render = (DEG_get_mode(depsgraph) == DAG_EVAL_RENDER); /* Modifier evaluation contexts for different types of modifiers. */ ModifierApplyFlag apply_render = use_render ? MOD_APPLY_RENDER : ModifierApplyFlag(0); const ModifierEvalContext mectx = {depsgraph, ob, MOD_APPLY_USECACHE | apply_render}; const ModifierEvalContext mectx_orco = {depsgraph, ob, MOD_APPLY_ORCO}; /* Get effective list of modifiers to execute. Some effects like shape keys * are added as virtual modifiers before the user created modifiers. */ VirtualModifierData virtual_modifier_data; ModifierData *md = BKE_modifiers_get_virtual_modifierlist(ob, &virtual_modifier_data); /* Compute accumulated datamasks needed by each modifier. It helps to do * this fine grained so that for example vertex groups are preserved up to * an armature modifier, but not through a following subsurf modifier where * subdividing them is expensive. */ CustomData_MeshMasks final_datamask = *dataMask; CDMaskLink *datamasks = BKE_modifier_calc_data_masks( scene, md, &final_datamask, required_mode, nullptr, nullptr); CDMaskLink *md_datamask = datamasks; CustomData_MeshMasks append_mask = CD_MASK_BAREMESH; Mesh *mesh_final = BKE_mesh_wrapper_from_editmesh(em_input, &final_datamask, mesh_input); int cageIndex = BKE_modifiers_get_cage_index(scene, ob, nullptr, true); if (r_cage && cageIndex == -1) { mesh_cage = mesh_final; } /* The mesh from edit mode should not have any original index layers already, since those * are added during evaluation when necessary and are redundant on an original mesh. */ BLI_assert(CustomData_get_layer(&em_input->bm->pdata, CD_ORIGINDEX) == nullptr && CustomData_get_layer(&em_input->bm->edata, CD_ORIGINDEX) == nullptr && CustomData_get_layer(&em_input->bm->pdata, CD_ORIGINDEX) == nullptr); /* Clear errors before evaluation. */ BKE_modifiers_clear_errors(ob); if (ob->modifier_flag & OB_MODIFIER_FLAG_ADD_REST_POSITION) { BKE_mesh_wrapper_ensure_mdata(mesh_final); set_rest_position(*mesh_final); } bool non_deform_modifier_applied = false; for (int i = 0; md; i++, md = md->next, md_datamask = md_datamask->next) { const ModifierTypeInfo *mti = BKE_modifier_get_info((ModifierType)md->type); if (!editbmesh_modifier_is_enabled(scene, ob, md, non_deform_modifier_applied)) { continue; } blender::bke::ScopedModifierTimer modifier_timer{*md}; /* Add an orco mesh as layer if needed by this modifier. */ if (mesh_orco && mti->required_data_mask) { CustomData_MeshMasks mask = {0}; mti->required_data_mask(md, &mask); if (mask.vmask & CD_MASK_ORCO) { add_orco_mesh(ob, em_input, mesh_final, mesh_orco, CD_ORCO); } } if (mesh_final == mesh_cage) { /* If the cage mesh has already been assigned, we have passed the cage index in the modifier * list. If the cage and final meshes are still the same, duplicate the final mesh so the * cage mesh isn't modified anymore. */ mesh_final = BKE_mesh_copy_for_eval(mesh_final); if (mesh_cage->edit_mesh) { mesh_final->edit_mesh = static_cast(MEM_dupallocN(mesh_cage->edit_mesh)); mesh_final->edit_mesh->is_shallow_copy = true; mesh_final->runtime->is_original_bmesh = true; BKE_mesh_runtime_ensure_edit_data(mesh_final); } } if (mti->type == ModifierTypeType::OnlyDeform) { if (mti->deform_verts_EM) { BKE_modifier_deform_vertsEM(md, &mectx, em_input, mesh_final, mesh_wrapper_vert_coords_ensure_for_write(mesh_final)); BKE_mesh_wrapper_tag_positions_changed(mesh_final); } else { BKE_mesh_wrapper_ensure_mdata(mesh_final); BKE_modifier_deform_verts(md, &mectx, mesh_final, mesh_final->vert_positions_for_write()); BKE_mesh_tag_positions_changed(mesh_final); } } else { non_deform_modifier_applied = true; /* create an orco derivedmesh in parallel */ CustomData_MeshMasks mask = md_datamask->mask; if (mask.vmask & CD_MASK_ORCO) { if (!mesh_orco) { mesh_orco = create_orco_mesh(ob, mesh_input, em_input, CD_ORCO); } mask.vmask &= ~CD_MASK_ORCO; mask.vmask |= CD_MASK_ORIGINDEX; mask.emask |= CD_MASK_ORIGINDEX; mask.pmask |= CD_MASK_ORIGINDEX; mesh_set_only_copy(mesh_orco, &mask); Mesh *mesh_next = BKE_modifier_modify_mesh(md, &mectx_orco, mesh_orco); ASSERT_IS_VALID_MESH(mesh_next); if (mesh_next) { /* if the modifier returned a new dm, release the old one */ if (mesh_orco && mesh_orco != mesh_next) { BKE_id_free(nullptr, mesh_orco); } mesh_orco = mesh_next; } } /* set the DerivedMesh to only copy needed data */ CustomData_MeshMasks_update(&mask, &append_mask); /* XXX WHAT? overwrites mask ??? */ /* CD_MASK_ORCO may have been cleared above */ mask = md_datamask->mask; mask.vmask |= CD_MASK_ORIGINDEX; mask.emask |= CD_MASK_ORIGINDEX; mask.pmask |= CD_MASK_ORIGINDEX; mesh_set_only_copy(mesh_final, &mask); if (mask.lmask & CD_MASK_ORIGSPACE_MLOOP) { if (!CustomData_has_layer(&mesh_final->loop_data, CD_ORIGSPACE_MLOOP)) { CustomData_add_layer( &mesh_final->loop_data, CD_ORIGSPACE_MLOOP, CD_SET_DEFAULT, mesh_final->totloop); mesh_init_origspace(mesh_final); } } Mesh *mesh_next = modifier_modify_mesh_and_geometry_set( md, mectx, mesh_final, geometry_set_final); ASSERT_IS_VALID_MESH(mesh_next); if (mesh_next) { if (mesh_final != mesh_next) { BKE_id_free(nullptr, mesh_final); } mesh_final = mesh_next; } mesh_final->runtime->deformed_only = false; } if (r_cage && i == cageIndex) { mesh_cage = mesh_final; } } BLI_linklist_free((LinkNode *)datamasks, nullptr); /* Add orco coordinates to final and deformed mesh if requested. */ if (final_datamask.vmask & CD_MASK_ORCO) { /* FIXME(@ideasman42): avoid the need to convert to mesh data just to add an orco layer. */ BKE_mesh_wrapper_ensure_mdata(mesh_final); add_orco_mesh(ob, em_input, mesh_final, mesh_orco, CD_ORCO); } if (mesh_orco) { BKE_id_free(nullptr, mesh_orco); } /* Compute normals. */ editbmesh_calc_modifier_final_normals_or_defer(mesh_final); if (mesh_cage && (mesh_cage != mesh_final)) { editbmesh_calc_modifier_final_normals_or_defer(mesh_cage); } /* Return final mesh. */ *r_final = mesh_final; if (r_cage) { *r_cage = mesh_cage; } if (r_geometry_set) { *r_geometry_set = new GeometrySet(std::move(geometry_set_final)); } } static void mesh_build_extra_data(Depsgraph *depsgraph, Object *ob, Mesh *mesh_eval) { uint32_t eval_flags = DEG_get_eval_flags_for_id(depsgraph, &ob->id); if (eval_flags & DAG_EVAL_NEED_SHRINKWRAP_BOUNDARY) { BKE_shrinkwrap_compute_boundary_data(mesh_eval); } } static void mesh_build_data(Depsgraph *depsgraph, const Scene *scene, Object *ob, const CustomData_MeshMasks *dataMask, const bool need_mapping) { #if 0 /* XXX This is already taken care of in #mesh_calc_modifiers... */ if (need_mapping) { /* Also add the flag so that it is recorded in lastDataMask. */ dataMask->vmask |= CD_MASK_ORIGINDEX; dataMask->emask |= CD_MASK_ORIGINDEX; dataMask->pmask |= CD_MASK_ORIGINDEX; } #endif Mesh *mesh_eval = nullptr, *mesh_deform_eval = nullptr; GeometrySet *geometry_set_eval = nullptr; mesh_calc_modifiers(depsgraph, scene, ob, true, need_mapping, dataMask, true, true, &mesh_deform_eval, &mesh_eval, &geometry_set_eval); /* The modifier stack evaluation is storing result in mesh->runtime.mesh_eval, but this result * is not guaranteed to be owned by object. * * Check ownership now, since later on we can not go to a mesh owned by someone else via * object's runtime: this could cause access freed data on depsgraph destruction (mesh who owns * the final result might be freed prior to object). */ Mesh *mesh = (Mesh *)ob->data; const bool is_mesh_eval_owned = (mesh_eval != mesh->runtime->mesh_eval); BKE_object_eval_assign_data(ob, &mesh_eval->id, is_mesh_eval_owned); /* Add the final mesh as a non-owning component to the geometry set. */ MeshComponent &mesh_component = geometry_set_eval->get_component_for_write(); mesh_component.replace(mesh_eval, GeometryOwnershipType::Editable); ob->runtime->geometry_set_eval = geometry_set_eval; ob->runtime->mesh_deform_eval = mesh_deform_eval; ob->runtime->last_data_mask = *dataMask; ob->runtime->last_need_mapping = need_mapping; BKE_object_boundbox_calc_from_mesh(ob, mesh_eval); /* Make sure that drivers can target shapekey properties. * Note that this causes a potential inconsistency, as the shapekey may have a * different topology than the evaluated mesh. */ BLI_assert(mesh->key == nullptr || DEG_is_evaluated_id(&mesh->key->id)); mesh_eval->key = mesh->key; if ((ob->mode & OB_MODE_ALL_SCULPT) && ob->sculpt) { if (DEG_is_active(depsgraph)) { BKE_sculpt_update_object_after_eval(depsgraph, ob); } } mesh_build_extra_data(depsgraph, ob, mesh_eval); } static void editbmesh_build_data(Depsgraph *depsgraph, const Scene *scene, Object *obedit, BMEditMesh *em, CustomData_MeshMasks *dataMask) { Mesh *mesh = static_cast(obedit->data); Mesh *me_cage; Mesh *me_final; GeometrySet *non_mesh_components; editbmesh_calc_modifiers( depsgraph, scene, obedit, em, dataMask, &me_cage, &me_final, &non_mesh_components); /* The modifier stack result is expected to share edit mesh pointer with the input. * This is similar `mesh_calc_finalize()`. */ BKE_mesh_free_editmesh(me_final); BKE_mesh_free_editmesh(me_cage); me_final->edit_mesh = me_cage->edit_mesh = em; /* Object has edit_mesh but is not in edit mode (object shares mesh datablock with another object * with is in edit mode). * Convert edit mesh to mesh until the draw manager can draw mesh wrapper which is not in the * edit mode. */ if (!(obedit->mode & OB_MODE_EDIT)) { BKE_mesh_wrapper_ensure_mdata(me_final); if (me_final != me_cage) { BKE_mesh_wrapper_ensure_mdata(me_cage); } } const bool is_mesh_eval_owned = (me_final != mesh->runtime->mesh_eval); BKE_object_eval_assign_data(obedit, &me_final->id, is_mesh_eval_owned); /* Make sure that drivers can target shapekey properties. * Note that this causes a potential inconsistency, as the shapekey may have a * different topology than the evaluated mesh. */ BLI_assert(mesh->key == nullptr || DEG_is_evaluated_id(&mesh->key->id)); me_final->key = mesh->key; obedit->runtime->editmesh_eval_cage = me_cage; obedit->runtime->geometry_set_eval = non_mesh_components; BKE_object_boundbox_calc_from_mesh(obedit, me_final); obedit->runtime->last_data_mask = *dataMask; } static void object_get_datamask(const Depsgraph *depsgraph, Object *ob, CustomData_MeshMasks *r_mask, bool *r_need_mapping) { Scene *scene = DEG_get_evaluated_scene(depsgraph); ViewLayer *view_layer = DEG_get_evaluated_view_layer(depsgraph); DEG_get_customdata_mask_for_object(depsgraph, ob, r_mask); if (r_need_mapping) { *r_need_mapping = false; } /* Must never access original objects when dependency graph is not active: it might be already * freed. */ if (!DEG_is_active(depsgraph)) { return; } BKE_view_layer_synced_ensure(scene, view_layer); Object *actob = BKE_view_layer_active_object_get(view_layer); if (actob) { actob = DEG_get_original_object(actob); } if (DEG_get_original_object(ob) == actob) { bool editing = BKE_paint_select_face_test(actob); /* weight paint and face select need original indices because of selection buffer drawing */ if (r_need_mapping) { *r_need_mapping = (editing || (ob->mode & (OB_MODE_WEIGHT_PAINT | OB_MODE_VERTEX_PAINT))); } /* Check if we need #MTFace & loop-color due to face select or texture paint. */ if ((ob->mode & OB_MODE_TEXTURE_PAINT) || editing) { r_mask->lmask |= CD_MASK_PROP_FLOAT2 | CD_MASK_PROP_BYTE_COLOR; r_mask->fmask |= CD_MASK_MTFACE; } /* Check if we need mcols due to vertex paint or weight-paint. */ if (ob->mode & OB_MODE_VERTEX_PAINT) { r_mask->lmask |= CD_MASK_PROP_BYTE_COLOR; } if (ob->mode & OB_MODE_WEIGHT_PAINT) { r_mask->vmask |= CD_MASK_MDEFORMVERT; } if (ob->mode & OB_MODE_EDIT) { r_mask->vmask |= CD_MASK_MVERT_SKIN; } } } void makeDerivedMesh(Depsgraph *depsgraph, const Scene *scene, Object *ob, const CustomData_MeshMasks *dataMask) { BLI_assert(ob->type == OB_MESH); /* Evaluated meshes aren't supposed to be created on original instances. If you do, * they aren't cleaned up properly on mode switch, causing crashes, e.g #58150. */ BLI_assert(ob->id.tag & LIB_TAG_COPIED_ON_WRITE); BKE_object_free_derived_caches(ob); if (DEG_is_active(depsgraph)) { BKE_sculpt_update_object_before_eval(ob); } /* NOTE: Access the `edit_mesh` after freeing the derived caches, so that `ob->data` is restored * to the pre-evaluated state. This is because the evaluated state is not necessarily sharing the * `edit_mesh` pointer with the input. For example, if the object is first evaluated in the * object mode, and then user in another scene moves object to edit mode. */ BMEditMesh *em = ((Mesh *)ob->data)->edit_mesh; bool need_mapping; CustomData_MeshMasks cddata_masks = *dataMask; object_get_datamask(depsgraph, ob, &cddata_masks, &need_mapping); if (em) { editbmesh_build_data(depsgraph, scene, ob, em, &cddata_masks); } else { mesh_build_data(depsgraph, scene, ob, &cddata_masks, need_mapping); } } /***/ Mesh *mesh_get_eval_deform(Depsgraph *depsgraph, const Scene *scene, Object *ob, const CustomData_MeshMasks *dataMask) { BMEditMesh *em = ((Mesh *)ob->data)->edit_mesh; if (em != nullptr) { /* There is no such a concept as deformed mesh in edit mode. * Explicitly disallow this request so that the evaluated result is not modified with evaluated * result from the wrong mode. */ BLI_assert_msg(0, "Request of derformed mesh of object which is in edit mode"); return nullptr; } /* This function isn't thread-safe and can't be used during evaluation. */ BLI_assert(DEG_is_evaluating(depsgraph) == false); /* Evaluated meshes aren't supposed to be created on original instances. If you do, * they aren't cleaned up properly on mode switch, causing crashes, e.g #58150. */ BLI_assert(ob->id.tag & LIB_TAG_COPIED_ON_WRITE); /* if there's no derived mesh or the last data mask used doesn't include * the data we need, rebuild the derived mesh */ bool need_mapping; CustomData_MeshMasks cddata_masks = *dataMask; object_get_datamask(depsgraph, ob, &cddata_masks, &need_mapping); if (!ob->runtime->mesh_deform_eval || !CustomData_MeshMasks_are_matching(&(ob->runtime->last_data_mask), &cddata_masks) || (need_mapping && !ob->runtime->last_need_mapping)) { CustomData_MeshMasks_update(&cddata_masks, &ob->runtime->last_data_mask); mesh_build_data( depsgraph, scene, ob, &cddata_masks, need_mapping || ob->runtime->last_need_mapping); } return ob->runtime->mesh_deform_eval; } Mesh *mesh_create_eval_final(Depsgraph *depsgraph, const Scene *scene, Object *ob, const CustomData_MeshMasks *dataMask) { Mesh *result; mesh_calc_modifiers( depsgraph, scene, ob, true, false, dataMask, false, false, nullptr, &result, nullptr); return result; } Mesh *mesh_create_eval_no_deform(Depsgraph *depsgraph, const Scene *scene, Object *ob, const CustomData_MeshMasks *dataMask) { Mesh *result; mesh_calc_modifiers( depsgraph, scene, ob, false, false, dataMask, false, false, nullptr, &result, nullptr); return result; } Mesh *mesh_create_eval_no_deform_render(Depsgraph *depsgraph, const Scene *scene, Object *ob, const CustomData_MeshMasks *dataMask) { Mesh *result; mesh_calc_modifiers( depsgraph, scene, ob, false, false, dataMask, false, false, nullptr, &result, nullptr); return result; } /***/ Mesh *editbmesh_get_eval_cage(Depsgraph *depsgraph, const Scene *scene, Object *obedit, BMEditMesh *em, const CustomData_MeshMasks *dataMask) { CustomData_MeshMasks cddata_masks = *dataMask; /* if there's no derived mesh or the last data mask used doesn't include * the data we need, rebuild the derived mesh */ object_get_datamask(depsgraph, obedit, &cddata_masks, nullptr); if (!obedit->runtime->editmesh_eval_cage || !CustomData_MeshMasks_are_matching(&(obedit->runtime->last_data_mask), &cddata_masks)) { editbmesh_build_data(depsgraph, scene, obedit, em, &cddata_masks); } return obedit->runtime->editmesh_eval_cage; } Mesh *editbmesh_get_eval_cage_from_orig(Depsgraph *depsgraph, const Scene *scene, Object *obedit, const CustomData_MeshMasks *dataMask) { BLI_assert((obedit->id.tag & LIB_TAG_COPIED_ON_WRITE) == 0); const Scene *scene_eval = (const Scene *)DEG_get_evaluated_id(depsgraph, (ID *)&scene->id); Object *obedit_eval = (Object *)DEG_get_evaluated_id(depsgraph, &obedit->id); BMEditMesh *em_eval = BKE_editmesh_from_object(obedit_eval); return editbmesh_get_eval_cage(depsgraph, scene_eval, obedit_eval, em_eval, dataMask); } /***/ /* same as above but for vert coords */ struct MappedUserData { float (*vertexcos)[3]; BLI_bitmap *vertex_visit; }; static void make_vertexcos__mapFunc(void *user_data, int index, const float co[3], const float /*no*/[3]) { MappedUserData *mappedData = (MappedUserData *)user_data; if (BLI_BITMAP_TEST(mappedData->vertex_visit, index) == 0) { /* we need coord from prototype vertex, not from copies, * assume they stored in the beginning of vertex array stored in DM * (mirror modifier for eg does this) */ copy_v3_v3(mappedData->vertexcos[index], co); BLI_BITMAP_ENABLE(mappedData->vertex_visit, index); } } void mesh_get_mapped_verts_coords(Mesh *me_eval, blender::MutableSpan r_cos) { if (me_eval->runtime->deformed_only == false) { MappedUserData user_data; r_cos.fill(float3(0)); user_data.vertexcos = reinterpret_cast(r_cos.data()); user_data.vertex_visit = BLI_BITMAP_NEW(r_cos.size(), "vertexcos flags"); BKE_mesh_foreach_mapped_vert(me_eval, make_vertexcos__mapFunc, &user_data, MESH_FOREACH_NOP); MEM_freeN(user_data.vertex_visit); } else { r_cos.copy_from(me_eval->vert_positions()); } } static void mesh_init_origspace(Mesh *mesh) { const float default_osf[4][2] = {{0, 0}, {1, 0}, {1, 1}, {0, 1}}; OrigSpaceLoop *lof_array = (OrigSpaceLoop *)CustomData_get_layer_for_write( &mesh->loop_data, CD_ORIGSPACE_MLOOP, mesh->totloop); const Span positions = mesh->vert_positions(); const blender::OffsetIndices faces = mesh->faces(); const Span corner_verts = mesh->corner_verts(); int j, k; blender::Vector vcos_2d; for (const int i : faces.index_range()) { const blender::IndexRange face = faces[i]; OrigSpaceLoop *lof = lof_array + face.start(); if (ELEM(face.size(), 3, 4)) { for (j = 0; j < face.size(); j++, lof++) { copy_v2_v2(lof->uv, default_osf[j]); } } else { float co[3]; float mat[3][3]; float min[2] = {FLT_MAX, FLT_MAX}, max[2] = {-FLT_MAX, -FLT_MAX}; float translate[2], scale[2]; const float3 p_nor = blender::bke::mesh::face_normal_calc(positions, corner_verts.slice(face)); axis_dominant_v3_to_m3(mat, p_nor); vcos_2d.resize(face.size()); for (j = 0; j < face.size(); j++) { mul_v3_m3v3(co, mat, positions[corner_verts[face[j]]]); copy_v2_v2(vcos_2d[j], co); for (k = 0; k < 2; k++) { if (co[k] > max[k]) { max[k] = co[k]; } else if (co[k] < min[k]) { min[k] = co[k]; } } } /* Brings min to (0, 0). */ negate_v2_v2(translate, min); /* Scale will bring max to (1, 1). */ sub_v2_v2v2(scale, max, min); if (scale[0] == 0.0f) { scale[0] = 1e-9f; } if (scale[1] == 0.0f) { scale[1] = 1e-9f; } invert_v2(scale); /* Finally, transform all vcos_2d into ((0, 0), (1, 1)) * square and assign them as origspace. */ for (j = 0; j < face.size(); j++, lof++) { add_v2_v2v2(lof->uv, vcos_2d[j], translate); mul_v2_v2(lof->uv, scale); } } } BKE_mesh_tessface_clear(mesh); }