BKE_subdiv_ccg.hh File Reference

#include <memory>
#include "BLI_array.hh"
#include "BLI_bit_group_vector.hh"
#include "BLI_bit_span_ops.hh"
#include "BLI_index_mask_fwd.hh"
#include "BLI_offset_indices.hh"
#include "BLI_span.hh"
#include "BLI_utility_mixins.hh"
#include "BLI_vector.hh"
#include "BKE_ccg.hh"

Go to the source code of this file.

Classes
struct	SubdivCCGMaskEvaluator
struct	SubdivToCCGSettings
struct	SubdivCCGCoord
struct	SubdivCCGAdjacentEdge
struct	SubdivCCGAdjacentVertex
struct	SubdivCCG
struct	SubdivCCGNeighbors

Namespaces
namespace	blender
namespace	blender::bke
namespace	blender::bke::subdiv
namespace	blender::bke::ccg

Functions
IndexRange	blender::bke::ccg::grid_range (const int grid_area, const int grid)
IndexRange	blender::bke::ccg::grid_range (const CCGKey &key, const int grid)
IndexRange	blender::bke::ccg::face_range (const OffsetIndices< int > faces, const int grid_area, const int face)
IndexRange	blender::bke::ccg::face_range (const OffsetIndices< int > faces, const CCGKey &key, const int face)
int	blender::bke::ccg::grid_xy_to_vert (const CCGKey &key, const int grid, const int x, const int y)
Masks
bool	BKE_subdiv_ccg_mask_init_from_paint (SubdivCCGMaskEvaluator *mask_evaluator, const Mesh *mesh)

SubdivCCG.
enum class	SubdivCCGAdjacencyType : int8_t { None , Vertex , Edge }
using	SubdivCCGNeighborCoords = blender::Vector<SubdivCCGCoord, 256>
std::unique_ptr< SubdivCCG >	BKE_subdiv_to_ccg (blender::bke::subdiv::Subdiv &subdiv, const SubdivToCCGSettings &settings, const Mesh &coarse_mesh, SubdivCCGMaskEvaluator *mask_evaluator=nullptr)
Mesh *	BKE_subdiv_to_ccg_mesh (blender::bke::subdiv::Subdiv &subdiv, const SubdivToCCGSettings &settings, const Mesh &coarse_mesh)
CCGKey	BKE_subdiv_ccg_key (const SubdivCCG &subdiv_ccg, int level)
CCGKey	BKE_subdiv_ccg_key_top_level (const SubdivCCG &subdiv_ccg)
void	BKE_subdiv_ccg_recalc_normals (SubdivCCG &subdiv_ccg)
void	BKE_subdiv_ccg_update_normals (SubdivCCG &subdiv_ccg, const blender::IndexMask &face_mask)
void	BKE_subdiv_ccg_average_grids (SubdivCCG &subdiv_ccg)
void	BKE_subdiv_ccg_average_stitch_faces (SubdivCCG &subdiv_ccg, const blender::IndexMask &face_mask)
void	BKE_subdiv_ccg_topology_counters (const SubdivCCG &subdiv_ccg, int &r_num_vertices, int &r_num_edges, int &r_num_faces, int &r_num_loops)
void	BKE_subdiv_ccg_print_coord (const char *message, const SubdivCCGCoord &coord)
bool	BKE_subdiv_ccg_check_coord_valid (const SubdivCCG &subdiv_ccg, const SubdivCCGCoord &coord)
void	BKE_subdiv_ccg_neighbor_coords_get (const SubdivCCG &subdiv_ccg, const SubdivCCGCoord &coord, bool include_duplicates, SubdivCCGNeighbors &r_neighbors)
int	BKE_subdiv_ccg_grid_to_face_index (const SubdivCCG &subdiv_ccg, const int grid_index)
void	BKE_subdiv_ccg_eval_limit_positions (const SubdivCCG &subdiv_ccg, const CCGKey &key, int grid_index, blender::MutableSpan< blender::float3 > r_limit_positions)
SubdivCCGAdjacencyType	BKE_subdiv_ccg_coarse_mesh_adjacency_info_get (const SubdivCCG &subdiv_ccg, const SubdivCCGCoord &coord, blender::Span< int > corner_verts, blender::OffsetIndices< int > faces, int &r_v1, int &r_v2)
bool	BKE_subdiv_ccg_coord_is_mesh_boundary (blender::OffsetIndices< int > faces, blender::Span< int > corner_verts, blender::BitSpan boundary_verts, const SubdivCCG &subdiv_ccg, SubdivCCGCoord coord)
blender::BitGroupVector &	BKE_subdiv_ccg_grid_hidden_ensure (SubdivCCG &subdiv_ccg)
void	BKE_subdiv_ccg_grid_hidden_free (SubdivCCG &subdiv_ccg)
template<typename Fn>
void	BKE_subdiv_ccg_foreach_visible_grid_vert (const CCGKey &key, const blender::BitGroupVector<> &grid_hidden, const int grid, const Fn &fn)

Typedef Documentation

SubdivCCGNeighborCoords

using SubdivCCGNeighborCoords = blender::Vector<SubdivCCGCoord, 256>

Definition at line 252 of file BKE_subdiv_ccg.hh.

Enumeration Type Documentation

SubdivCCGAdjacencyType

enum class SubdivCCGAdjacencyType : int8_t

strong

Enumerator
None
Vertex
Edge

Definition at line 305 of file BKE_subdiv_ccg.hh.

Function Documentation

BKE_subdiv_ccg_average_grids()

void BKE_subdiv_ccg_average_grids

(

SubdivCCG &

subdiv_ccg

)

Average grid coordinates and normals along the grid boundaries.

Definition at line 808 of file subdiv_ccg.cc.

References SubdivCCG::adjacent_edges, SubdivCCG::adjacent_verts, BKE_subdiv_ccg_average_stitch_faces(), BKE_subdiv_ccg_key_top_level(), SubdivCCG::faces, Array< T, InlineBufferCapacity, Allocator >::index_range(), and UNUSED_VARS.

Referenced by blender::ed::sculpt_paint::mask::apply_new_mask_grids(), BKE_subdiv_ccg_recalc_normals(), and blender::ed::sculpt_paint::mask::init_mask_grids().

BKE_subdiv_ccg_average_stitch_faces()

void BKE_subdiv_ccg_average_stitch_faces	(	SubdivCCG &	subdiv_ccg,
		const blender::IndexMask &	face_mask )

Similar to above, but only updates given faces.

Referenced by multires_stitch_grids().

BKE_subdiv_ccg_check_coord_valid()

bool BKE_subdiv_ccg_check_coord_valid	(	const SubdivCCG &	subdiv_ccg,
		const SubdivCCGCoord &	coord )

Definition at line 912 of file subdiv_ccg.cc.

References SubdivCCGCoord::grid_index, SubdivCCG::grid_size, SubdivCCG::grids_num, SubdivCCGCoord::x, and SubdivCCGCoord::y.

Referenced by BKE_subdiv_ccg_neighbor_coords_get().

BKE_subdiv_ccg_coarse_mesh_adjacency_info_get()

SubdivCCGAdjacencyType BKE_subdiv_ccg_coarse_mesh_adjacency_info_get	(	const SubdivCCG &	subdiv_ccg,
		const SubdivCCGCoord &	coord,
		blender::Span< int >	corner_verts,
		blender::OffsetIndices< int >	faces,
		int &	r_v1,
		int &	r_v2 )

Returns if a grid coordinates is adjacent to a coarse mesh edge, vertex or nothing. If it is adjacent to an edge, r_v1 and r_v2 will be set to the two vertices of that edge. If it is adjacent to a vertex, r_v1 and r_v2 will be the index of that vertex.

Definition at line 1473 of file subdiv_ccg.cc.

References adjacent_vertices_index_from_adjacent_edge(), Edge, faces, SubdivCCGCoord::grid_index, SubdivCCG::grid_size, is_boundary_grid_coord(), is_corner_grid_coord(), is_inner_edge_grid_coordinate(), None, Vertex, SubdivCCGCoord::x, and SubdivCCGCoord::y.

Referenced by BKE_subdiv_ccg_coord_is_mesh_boundary(), blender::ed::sculpt_paint::face_set::vert_has_unique_face_set(), and blender::ed::sculpt_paint::boundary::vert_is_boundary().

BKE_subdiv_ccg_coord_is_mesh_boundary()

bool BKE_subdiv_ccg_coord_is_mesh_boundary	(	blender::OffsetIndices< int >	faces,
		blender::Span< int >	corner_verts,
		blender::BitSpan	boundary_verts,
		const SubdivCCG &	subdiv_ccg,
		SubdivCCGCoord	coord )

Determines if a given grid coordinate is on a coarse mesh boundary.

References faces.

Referenced by blender::ed::sculpt_paint::smooth::calc_relaxed_translations_grids(), blender::ed::sculpt_paint::calc_vert_neighbors_interior(), and blender::ed::sculpt_paint::smooth::neighbor_position_average_interior_grids_impl().

BKE_subdiv_ccg_eval_limit_positions()

void BKE_subdiv_ccg_eval_limit_positions	(	const SubdivCCG &	subdiv_ccg,
		const CCGKey &	key,
		int	grid_index,
		blender::MutableSpan< blender::float3 >	r_limit_positions )

BKE_subdiv_ccg_foreach_visible_grid_vert()

template<typename Fn>

void BKE_subdiv_ccg_foreach_visible_grid_vert ( const CCGKey & key, const blender::BitGroupVector<> & grid_hidden, const int grid, const Fn & fn )

inline

Definition at line 335 of file BKE_subdiv_ccg.hh.

References blender::bits::foreach_0_index(), CCGKey::grid_area, i, and blender::bits::BitGroupVector< InlineBufferCapacity, Allocator >::is_empty().

Referenced by blender::ed::sculpt_paint::smooth::blur_geometry_data_array(), blender::ed::sculpt_paint::expand::enabled_state_to_bitmap(), blender::ed::sculpt_paint::fake_neighbor_search_grids(), blender::ed::sculpt_paint::mask::gesture_apply_for_symmetry_pass(), blender::ed::sculpt_paint::nearest_vert_calc_grids(), and blender::ed::sculpt_paint::mask::sculpt_mask_init_exec().

BKE_subdiv_ccg_grid_hidden_ensure()

blender::BitGroupVector & BKE_subdiv_ccg_grid_hidden_ensure

(

SubdivCCG &

subdiv_ccg

)

Definition at line 1530 of file subdiv_ccg.cc.

References SubdivCCG::grid_area, SubdivCCG::grid_hidden, SubdivCCG::grids_num, and blender::bits::BitGroupVector< InlineBufferCapacity, Allocator >::is_empty().

Referenced by BKE_sculpt_sync_face_visibility_to_grids(), blender::ed::sculpt_paint::hide::grid_hide_update(), blender::ed::sculpt_paint::hide::grow_shrink_visibility_grid(), blender::ed::sculpt_paint::hide::invert_visibility_grids(), and blender::ed::sculpt_paint::undo::restore_vert_visibility_grids().

BKE_subdiv_ccg_grid_hidden_free()

void BKE_subdiv_ccg_grid_hidden_free

(

SubdivCCG &

subdiv_ccg

)

Definition at line 1539 of file subdiv_ccg.cc.

References SubdivCCG::grid_hidden.

Referenced by BKE_sculpt_sync_face_visibility_to_grids(), blender::ed::sculpt_paint::hide::grids_show_all(), and blender::ed::sculpt_paint::undo::restore_vert_visibility_grids().

BKE_subdiv_ccg_grid_to_face_index()

int BKE_subdiv_ccg_grid_to_face_index ( const SubdivCCG & subdiv_ccg, const int grid_index )

inline

Definition at line 295 of file BKE_subdiv_ccg.hh.

References SubdivCCG::grid_to_face_map.

Referenced by blender::ed::sculpt_paint::face_set::active_face_set_get(), blender::ed::sculpt_paint::expand::active_face_set_id_get(), adjacent_vertices_index_from_adjacent_edge(), subdiv_ccg_coord_to_ptex_coord(), blender::ed::sculpt_paint::hide::vert_all_faces_visible_get(), blender::ed::sculpt_paint::face_set::vert_face_set_get(), and blender::ed::sculpt_paint::face_set::vert_has_face_set().

BKE_subdiv_ccg_key()

CCGKey BKE_subdiv_ccg_key	(	const SubdivCCG &	subdiv_ccg,
		int	level )

Create a key for accessing grid elements at a given level.

Definition at line 451 of file subdiv_ccg.cc.

References CCGKey::elem_size, CCGKey::grid_area, CCGKey::grid_bytes, CCGKey::grid_size, blender::bke::subdiv::grid_size_from_level(), CCGKey::has_mask, CCGKey::has_normals, CCGKey::level, CCGKey::mask_offset, CCGKey::normal_offset, and UNUSED_VARS.

Referenced by BKE_subdiv_ccg_key_top_level(), and multires_reshape_assign_final_coords_from_ccg().

BKE_subdiv_ccg_key_top_level()

CCGKey BKE_subdiv_ccg_key_top_level

(

const SubdivCCG &

subdiv_ccg

)

Definition at line 475 of file subdiv_ccg.cc.

References BKE_subdiv_ccg_key(), and SubdivCCG::level.

Referenced by blender::ed::sculpt_paint::cloth::apply_filter_forces_grids(), blender::ed::sculpt_paint::mask::apply_mask_from_settings(), blender::ed::sculpt_paint::mask::apply_mask_grids(), blender::ed::sculpt_paint::mask::apply_new_mask_grids(), blender::ed::sculpt_paint::apply_translations(), blender::ed::sculpt_paint::smooth::average_data_grids(), BKE_pbvh_get_grid_num_faces(), BKE_pbvh_get_grid_num_verts(), BKE_pbvh_sync_visibility_from_verts(), BKE_subdiv_ccg_average_grids(), BKE_subdiv_ccg_average_stitch_faces(), BKE_subdiv_ccg_update_normals(), blender::ed::sculpt_paint::smooth::blur_geometry_data_array(), blender::ed::sculpt_paint::expand::boundary_from_enabled(), blender::ed::sculpt_paint::calc_area_normal_and_center_node_grids(), blender::ed::sculpt_paint::pose::calc_average_face_set_center(), blender::ed::sculpt_paint::boundary::calc_bend_grids(), blender::ed::sculpt_paint::auto_mask::calc_blurred_cavity_grids(), blender::ed::sculpt_paint::auto_mask::Cache::calc_cavity_factor(), blender::ed::sculpt_paint::cloth::calc_constraint_factors(), blender::ed::sculpt_paint::cloth::calc_forces_grids(), blender::ed::sculpt_paint::calc_front_face(), blender::ed::sculpt_paint::boundary::calc_grab_grids(), blender::ed::sculpt_paint::auto_mask::calc_grids_factors(), blender::ed::sculpt_paint::boundary::calc_inflate_grids(), blender::ed::sculpt_paint::filter::calc_limit_surface_positions(), blender::ed::sculpt_paint::pose::calc_pose_origin_and_factor_grids(), blender::ed::sculpt_paint::smooth::calc_relaxed_translations_grids(), blender::ed::sculpt_paint::filter::calc_sharpen_filter(), blender::ed::sculpt_paint::boundary::calc_slide_grids(), blender::ed::sculpt_paint::boundary::calc_smooth_grids(), blender::ed::sculpt_paint::expand::calc_topology_falloff_from_verts(), blender::ed::sculpt_paint::islands::calc_topology_islands_grids(), blender::ed::sculpt_paint::boundary::calc_twist_grids(), blender::ed::sculpt_paint::cloth::calc_vert_neighbor_indices_grids(), blender::ed::sculpt_paint::calc_vert_neighbors(), blender::ed::sculpt_paint::calc_vert_neighbors_interior(), blender::ed::sculpt_paint::mask::copy_old_hidden_mask_grids(), blender::ed::sculpt_paint::boundary::data_init(), blender::ed::sculpt_paint::boundary::data_init_grids(), blender::ed::sculpt_paint::mask::decrease_contrast_mask_grids(), blender::ed::sculpt_paint::brushes::do_displacement_smear_brush(), blender::ed::sculpt_paint::brushes::do_mask_brush(), blender::ed::sculpt_paint::cloth::do_simulation_step(), blender::ed::sculpt_paint::boundary::edit_data_init_grids(), blender::ed::sculpt_paint::expand::enabled_state_to_bitmap(), blender::ed::sculpt_paint::cloth::ensure_nodes_constraints(), blender::ed::sculpt_paint::flood_fill::FillDataGrids::execute(), blender::ed::sculpt_paint::fake_neighbor_search(), blender::draw::pbvh::fill_face_sets_grids(), blender::ed::sculpt_paint::fill_factor_from_hide(), blender::ed::sculpt_paint::fill_factor_from_hide_and_mask(), blender::ed::sculpt_paint::mask::fill_mask_grids(), blender::draw::pbvh::fill_masks_grids(), blender::draw::pbvh::fill_normals_grids(), blender::draw::pbvh::fill_positions_grids(), blender::ed::sculpt_paint::auto_mask::fill_topology_automasking_factors_grids(), blender::ed::sculpt_paint::face_set::filter_verts_with_unique_face_sets_grids(), blender::ed::sculpt_paint::find_symm_verts_grids(), blender::bke::pbvh::Tree::from_grids(), blender::ed::sculpt_paint::gather_data_grids(), blender::ed::sculpt_paint::gather_data_grids(), blender::ed::sculpt_paint::gather_grids_positions(), blender::ed::sculpt_paint::mask::gesture_apply_for_symmetry_pass(), blender::ed::sculpt_paint::boundary::get_closest_boundary_vert_grids(), blender::ed::sculpt_paint::pose::grow_factors_grids(), blender::ed::sculpt_paint::mask::grow_mask_grids(), blender::ed::sculpt_paint::hide::grow_shrink_visibility_grid(), blender::ed::sculpt_paint::pose::ik_chain_init_face_sets_fk_grids(), blender::ed::sculpt_paint::pose::ik_chain_init_face_sets_grids(), blender::ed::sculpt_paint::pose::ik_chain_init_topology(), blender::ed::sculpt_paint::mask::increase_contrast_mask_grids(), blender::ed::sculpt_paint::boundary::indices_init_grids(), blender::ed::sculpt_paint::boundary::init_boundary_grids(), blender::ed::sculpt_paint::auto_mask::init_boundary_masking_grids(), blender::ed::sculpt_paint::boundary::init_falloff_grids(), blender::ed::sculpt_paint::expand::init_from_face_set_boundary(), blender::ed::sculpt_paint::mask::init_mask_grids(), blender::ed::sculpt_paint::mask::invert_mask_grids(), blender::ed::sculpt_paint::expand::is_face_in_active_component(), blender::ed::sculpt_paint::boundary::is_vert_in_editable_boundary_grids(), blender::ed::sculpt_paint::filter::mesh_filter_sharpen_init(), blender::ed::sculpt_paint::nearest_vert_calc_grids(), blender::ed::sculpt_paint::smooth::neighbor_position_average_interior_grids_impl(), blender::bke::pbvh::node_raycast_grids(), blender::ed::sculpt_paint::expand::normals_falloff_create(), blender::ed::sculpt_paint::hide::partialvis_gesture_update_grids(), blender::ed::sculpt_paint::hide::partialvis_masked_update_grids(), blender::bke::pbvh::pbvh_grids_node_nearest_to_ray(), blender::ed::sculpt_paint::boundary::preview_data_init(), blender::ed::sculpt_paint::undo::restore_list(), blender::ed::sculpt_paint::undo::restore_mask_from_undo_step(), blender::ed::sculpt_paint::undo::restore_mask_grids(), blender::ed::sculpt_paint::undo::restore_position_from_undo_step(), blender::ed::sculpt_paint::scatter_data_grids(), blender::ed::sculpt_paint::expand::sculpt_expand_invoke(), blender::ed::sculpt_paint::mask::sculpt_mask_filter_exec(), blender::ed::sculpt_paint::mask::sculpt_mask_init_exec(), blender::ed::sculpt_paint::sculpt_raycast_cb(), blender::ed::sculpt_paint::mask::sharpen_mask_grids(), blender::ed::sculpt_paint::mask::shrink_mask_grids(), blender::ed::sculpt_paint::mask::smooth_mask_grids(), blender::ed::sculpt_paint::transform_node_grids(), blender::bke::pbvh::update_mask_grids(), blender::ed::sculpt_paint::expand::update_mask_grids(), and blender::ed::sculpt_paint::expand::vert_to_face_falloff_grids().

BKE_subdiv_ccg_mask_init_from_paint()

bool BKE_subdiv_ccg_mask_init_from_paint	(	SubdivCCGMaskEvaluator *	mask_evaluator,
		const Mesh *	mesh )

Return true if mesh has mask and evaluator can be used.

Definition at line 153 of file subdiv_ccg_mask.cc.

References CD_GRID_PAINT_MASK, CustomData_get_layer(), mask_init_data(), mask_init_functions(), and SubdivCCGMaskEvaluator::user_data.

Referenced by BKE_subdiv_to_ccg_mesh().

BKE_subdiv_ccg_neighbor_coords_get()

void BKE_subdiv_ccg_neighbor_coords_get	(	const SubdivCCG &	subdiv_ccg,
		const SubdivCCGCoord &	coord,
		bool	include_duplicates,
		SubdivCCGNeighbors &	r_neighbors )

Get actual neighbors of the given coordinate.

If include_duplicates is true, vertices in other grids that match the current vertex are added at the end of the coords array.

Definition at line 1417 of file subdiv_ccg.cc.

References BKE_subdiv_ccg_check_coord_valid(), BLI_assert, SubdivCCGNeighbors::coords, SubdivCCGCoord::grid_index, SubdivCCG::grid_size, SubdivCCG::grids_num, i, blender::Vector< T, InlineBufferCapacity, Allocator >::index_range(), is_boundary_grid_coord(), is_corner_grid_coord(), UNUSED_VARS, SubdivCCGCoord::x, and SubdivCCGCoord::y.

Referenced by blender::ed::sculpt_paint::smooth::average_data_grids(), blender::ed::sculpt_paint::expand::boundary_from_enabled(), blender::ed::sculpt_paint::auto_mask::calc_blurred_cavity_grids(), blender::ed::sculpt_paint::smooth::calc_relaxed_translations_grids(), blender::ed::sculpt_paint::filter::calc_sharpen_filter(), blender::ed::sculpt_paint::cloth::calc_vert_neighbor_indices_grids(), blender::ed::sculpt_paint::calc_vert_neighbors(), blender::ed::sculpt_paint::calc_vert_neighbors_interior(), blender::ed::sculpt_paint::boundary::edit_data_init_grids(), blender::ed::sculpt_paint::flood_fill::FillDataGrids::execute(), blender::ed::sculpt_paint::pose::grow_factors_grids(), blender::ed::sculpt_paint::mask::grow_mask_grids(), blender::ed::sculpt_paint::hide::grow_shrink_visibility_grid(), blender::ed::sculpt_paint::pose::ik_chain_init_face_sets_grids(), blender::ed::sculpt_paint::auto_mask::init_boundary_masking_grids(), blender::ed::sculpt_paint::boundary::is_vert_in_editable_boundary_grids(), blender::ed::sculpt_paint::smooth::neighbor_position_average_interior_grids_impl(), and blender::ed::sculpt_paint::mask::shrink_mask_grids().

BKE_subdiv_ccg_print_coord()

void BKE_subdiv_ccg_print_coord	(	const char *	message,
		const SubdivCCGCoord &	coord )

Definition at line 907 of file subdiv_ccg.cc.

References SubdivCCGCoord::grid_index, printf, SubdivCCGCoord::x, and SubdivCCGCoord::y.

BKE_subdiv_ccg_recalc_normals()

void BKE_subdiv_ccg_recalc_normals

(

SubdivCCG &

subdiv_ccg

)

Recalculate all normals based on grid element coordinates.

Definition at line 579 of file subdiv_ccg.cc.

References BKE_subdiv_ccg_average_grids(), SubdivCCG::faces, SubdivCCG::normals, and UNUSED_VARS.

BKE_subdiv_ccg_topology_counters()

void BKE_subdiv_ccg_topology_counters	(	const SubdivCCG &	subdiv_ccg,
		int &	r_num_vertices,
		int &	r_num_edges,
		int &	r_num_faces,
		int &	r_num_loops )

Get geometry counters at the current subdivision level.

Definition at line 885 of file subdiv_ccg.cc.

References SubdivCCG::grid_size, and SubdivCCG::grids_num.

Referenced by stats_mesheval().

BKE_subdiv_ccg_update_normals()

void BKE_subdiv_ccg_update_normals	(	SubdivCCG &	subdiv_ccg,
		const blender::IndexMask &	face_mask )

Update normals of affected faces.

Referenced by blender::bke::pbvh::Tree::update_normals().

BKE_subdiv_to_ccg()

std::unique_ptr< SubdivCCG > BKE_subdiv_to_ccg	(	blender::bke::subdiv::Subdiv &	subdiv,
		const SubdivToCCGSettings &	settings,
		const Mesh &	coarse_mesh,
		SubdivCCGMaskEvaluator *	mask_evaluator = nullptr )

Create CCG representation of subdivision surface.

Note

CCG stores dense vertices in a grid-like storage. There is no edges or faces information's for the high-poly surface.

Subdiv is expected to be refined and ready for evaluation.

CCG becomes an owner of subdiv.

TODO(sergey): Allow some user-counter or more explicit control over who owns the Subdiv. The goal should be to allow viewport GL Mesh and CCG to share same Subsurf without conflicts.

Definition at line 385 of file subdiv_ccg.cc.

References bitscan_forward_i(), BLI_assert, Mesh::corners_num, blender::bke::subdiv::grid_size_from_level(), SubdivToCCGSettings::resolution, blender::bke::subdiv::stats_begin(), blender::bke::subdiv::stats_end(), blender::bke::subdiv::SUBDIV_STATS_SUBDIV_TO_CCG, and UNUSED_VARS.

Referenced by BKE_subdiv_to_ccg_mesh().

BKE_subdiv_to_ccg_mesh()

Mesh * BKE_subdiv_to_ccg_mesh	(	blender::bke::subdiv::Subdiv &	subdiv,
		const SubdivToCCGSettings &	settings,
		const Mesh &	coarse_mesh )

Helper function, creates Mesh structure which is properly setup to use grids.

Definition at line 417 of file subdiv_ccg.cc.

References BKE_mesh_copy_for_eval(), BKE_subdiv_ccg_mask_init_from_paint(), BKE_subdiv_to_ccg(), blender::bke::subdiv::eval_begin_from_mesh(), Mesh::faces_num, SubdivCCGMaskEvaluator::free, result, blender::bke::subdiv::stats_begin(), blender::bke::subdiv::stats_end(), blender::bke::subdiv::SUBDIV_EVALUATOR_TYPE_CPU, and blender::bke::subdiv::SUBDIV_STATS_SUBDIV_TO_CCG.

Referenced by multires_as_ccg(), and subdiv_as_ccg().