Differential D6695 Diff 21206 source/blender/blenkernel/intern/DerivedMesh.c

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source/blender/blenkernel/intern/DerivedMesh.c

Show First 20 Lines • Show All 1,722 Lines • ▼ Show 20 Lines	static void editbmesh_calc_modifiers(struct Depsgraph *depsgraph,

/* Return final mesh. */		/* Return final mesh. */
*r_final = mesh_final;		*r_final = mesh_final;
if (r_cage) {		if (r_cage) {
*r_cage = mesh_cage;		*r_cage = mesh_cage;
}		}
}		}

static void assign_object_mesh_eval(Object *object)		static void mesh_build_extra_data(struct Depsgraph depsgraph, Object ob, Mesh *mesh_eval)
{
BLI_assert(object->id.tag & LIB_TAG_COPIED_ON_WRITE);

Mesh mesh = (Mesh )object->data;
Mesh *mesh_eval = object->runtime.mesh_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). */
if (mesh_eval == mesh->runtime.mesh_eval) {
object->runtime.is_mesh_eval_owned = false;
}
else {
mesh_eval->id.tag \|= LIB_TAG_COPIED_ON_WRITE_EVAL_RESULT;
object->runtime.is_mesh_eval_owned = true;
}

/* NOTE: We are not supposed to invoke evaluation for original object, but some areas are still
* under process of being ported, so we play safe here. */
if (object->id.tag & LIB_TAG_COPIED_ON_WRITE) {
object->data = mesh_eval;
}
else {
/* evaluated will be available via: 'object->runtime.mesh_eval' */
}
}

static void mesh_build_extra_data(struct Depsgraph depsgraph, Object ob)
{		{
uint32_t eval_flags = DEG_get_eval_flags_for_id(depsgraph, &ob->id);		uint32_t eval_flags = DEG_get_eval_flags_for_id(depsgraph, &ob->id);

if (eval_flags & DAG_EVAL_NEED_SHRINKWRAP_BOUNDARY) {		if (eval_flags & DAG_EVAL_NEED_SHRINKWRAP_BOUNDARY) {
BKE_shrinkwrap_compute_boundary_data(ob->runtime.mesh_eval);		BKE_shrinkwrap_compute_boundary_data(mesh_eval);
}		}
}		}

static void mesh_runtime_check_normals_valid(const Mesh *mesh)		static void mesh_runtime_check_normals_valid(const Mesh *mesh)
{		{
UNUSED_VARS_NDEBUG(mesh);		UNUSED_VARS_NDEBUG(mesh);
BLI_assert(!(mesh->runtime.cd_dirty_vert & CD_MASK_NORMAL));		BLI_assert(!(mesh->runtime.cd_dirty_vert & CD_MASK_NORMAL));
BLI_assert(!(mesh->runtime.cd_dirty_loop & CD_MASK_NORMAL));		BLI_assert(!(mesh->runtime.cd_dirty_loop & CD_MASK_NORMAL));
Show All 21 Lines	#if 0 /* XXX This is already taken care of in mesh_calc_modifiers()... */
if (need_mapping) {		if (need_mapping) {
/* Also add the flag so that it is recorded in lastDataMask. */		/* Also add the flag so that it is recorded in lastDataMask. */
dataMask->vmask \|= CD_MASK_ORIGINDEX;		dataMask->vmask \|= CD_MASK_ORIGINDEX;
dataMask->emask \|= CD_MASK_ORIGINDEX;		dataMask->emask \|= CD_MASK_ORIGINDEX;
dataMask->pmask \|= CD_MASK_ORIGINDEX;		dataMask->pmask \|= CD_MASK_ORIGINDEX;
}		}
#endif		#endif

		Mesh mesh_eval = NULL, mesh_deform_eval = NULL;
mesh_calc_modifiers(depsgraph,		mesh_calc_modifiers(depsgraph,
scene,		scene,
ob,		ob,
1,		1,
need_mapping,		need_mapping,
dataMask,		dataMask,
-1,		-1,
true,		true,
true,		true,
&ob->runtime.mesh_deform_eval,		&mesh_deform_eval,
&ob->runtime.mesh_eval);		&mesh_eval);

BKE_object_boundbox_calc_from_mesh(ob, ob->runtime.mesh_eval);		/* The modifier stack evaluation is storing result in mesh->runtime.mesh_eval, but this result
		* is not guaranteed to be owned by object.
assign_object_mesh_eval(ob);		*
		* 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 = 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);

		ob->runtime.mesh_deform_eval = mesh_deform_eval;
ob->runtime.last_data_mask = *dataMask;		ob->runtime.last_data_mask = *dataMask;
ob->runtime.last_need_mapping = need_mapping;		ob->runtime.last_need_mapping = need_mapping;

		BKE_object_boundbox_calc_from_mesh(ob, mesh_eval);

if ((ob->mode & OB_MODE_ALL_SCULPT) && ob->sculpt) {		if ((ob->mode & OB_MODE_ALL_SCULPT) && ob->sculpt) {
if (DEG_is_active(depsgraph)) {		if (DEG_is_active(depsgraph)) {
BKE_sculpt_update_object_after_eval(depsgraph, ob);		BKE_sculpt_update_object_after_eval(depsgraph, ob);
}		}
}		}

if (ob->runtime.mesh_eval != NULL) {		if (mesh_eval != NULL) {
mesh_runtime_check_normals_valid(ob->runtime.mesh_eval);		mesh_runtime_check_normals_valid(mesh_eval);
}		}
mesh_build_extra_data(depsgraph, ob);		mesh_build_extra_data(depsgraph, ob, mesh_eval);
}		}

static void editbmesh_build_data(struct Depsgraph *depsgraph,		static void editbmesh_build_data(struct Depsgraph *depsgraph,
Scene *scene,		Scene *scene,
Object *obedit,		Object *obedit,
BMEditMesh *em,		BMEditMesh *em,
CustomData_MeshMasks *dataMask)		CustomData_MeshMasks *dataMask)
{		{
▲ Show 20 Lines • Show All 104 Lines • ▼ Show 20 Lines	Mesh mesh_get_eval_final(struct Depsgraph depsgraph,

/* if there's no evaluated mesh or the last data mask used doesn't include		/* if there's no evaluated mesh or the last data mask used doesn't include
* the data we need, rebuild the derived mesh		* the data we need, rebuild the derived mesh
*/		*/
bool need_mapping;		bool need_mapping;
CustomData_MeshMasks cddata_masks = *dataMask;		CustomData_MeshMasks cddata_masks = *dataMask;
object_get_datamask(depsgraph, ob, &cddata_masks, &need_mapping);		object_get_datamask(depsgraph, ob, &cddata_masks, &need_mapping);

if (!ob->runtime.mesh_eval \|\|		Mesh *mesh_eval = BKE_object_get_evaluated_mesh(ob);
		if ((mesh_eval == NULL) \|\|
!CustomData_MeshMasks_are_matching(&(ob->runtime.last_data_mask), &cddata_masks) \|\|		!CustomData_MeshMasks_are_matching(&(ob->runtime.last_data_mask), &cddata_masks) \|\|
(need_mapping && !ob->runtime.last_need_mapping)) {		(need_mapping && !ob->runtime.last_need_mapping)) {
CustomData_MeshMasks_update(&cddata_masks, &ob->runtime.last_data_mask);		CustomData_MeshMasks_update(&cddata_masks, &ob->runtime.last_data_mask);
mesh_build_data(		mesh_build_data(
depsgraph, scene, ob, &cddata_masks, need_mapping \|\| ob->runtime.last_need_mapping);		depsgraph, scene, ob, &cddata_masks, need_mapping \|\| ob->runtime.last_need_mapping);
		mesh_eval = BKE_object_get_evaluated_mesh(ob);
}		}

if (ob->runtime.mesh_eval) {		if (mesh_eval != NULL) {
BLI_assert(!(ob->runtime.mesh_eval->runtime.cd_dirty_vert & CD_MASK_NORMAL));		BLI_assert(!(mesh_eval->runtime.cd_dirty_vert & CD_MASK_NORMAL));
}		}
return ob->runtime.mesh_eval;		return mesh_eval;
}		}

Mesh mesh_get_eval_deform(struct Depsgraph depsgraph,		Mesh mesh_get_eval_deform(struct Depsgraph depsgraph,
Scene *scene,		Scene *scene,
Object *ob,		Object *ob,
const CustomData_MeshMasks *dataMask)		const CustomData_MeshMasks *dataMask)
{		{
/* This function isn't thread-safe and can't be used during evaluation. */		/* This function isn't thread-safe and can't be used during evaluation. */
▲ Show 20 Lines • Show All 466 Lines • Show Last 20 Lines