#include "draw_context_private.hh"
#include "draw_subdivision.hh"
#include "DNA_mesh_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "BKE_attribute.hh"
#include "BKE_editmesh.hh"
#include "BKE_mesh.hh"
#include "BKE_mesh_mapping.hh"
#include "BKE_object.hh"
#include "BKE_subdiv.hh"
#include "BKE_subdiv_eval.hh"
#include "BKE_subdiv_foreach.hh"
#include "BKE_subdiv_mesh.hh"
#include "BKE_subdiv_modifier.hh"
#include "BLI_linklist.h"
#include "BLI_mutex.hh"
#include "BLI_virtual_array.hh"
#include "DRW_engine.hh"
#include "DRW_render.hh"
#include "GPU_capabilities.hh"
#include "GPU_compute.hh"
#include "GPU_index_buffer.hh"
#include "GPU_state.hh"
#include "GPU_uniform_buffer.hh"
#include "GPU_vertex_buffer.hh"
#include "opensubdiv_capi_type.hh"
#include "opensubdiv_evaluator_capi.hh"
#include "draw_cache_extract.hh"
#include "draw_cache_impl.hh"
#include "draw_cache_inline.hh"
#include "draw_common_c.hh"
#include "draw_shader.hh"
#include "draw_subdiv_shader_shared.hh"
#include "mesh_extractors/extract_mesh.hh"

Namespaces
namespace	blender
namespace	blender::draw

Macros
#define	SUBDIV_LOCAL_WORK_GROUP_SIZE 64

Functions
static uint	blender::draw::tris_count_from_number_of_loops (const uint number_of_loops)
static uint	blender::draw::get_dispatch_size (uint elements)
static void	blender::draw::drw_subdiv_compute_dispatch (const DRWSubdivCache &cache, gpu::Shader *shader, const int src_offset, const int dst_offset, uint total_dispatch_size, const bool has_sculpt_mask=false, const uint edge_loose_offset=0)
void	blender::draw::draw_subdiv_extract_pos (const DRWSubdivCache &cache, gpu::VertBuf pos, gpu::VertBuf orco)
void	blender::draw::draw_subdiv_extract_uvs (const DRWSubdivCache &cache, gpu::VertBuf *uvs, const int face_varying_channel, const int dst_offset)
void	blender::draw::draw_subdiv_interp_custom_data (const DRWSubdivCache &cache, gpu::VertBuf &src_data, gpu::VertBuf &dst_data, GPUVertCompType comp_type, int dimensions, int dst_offset)
void	blender::draw::draw_subdiv_interp_corner_normals (const DRWSubdivCache &cache, gpu::VertBuf &src_data, gpu::VertBuf &dst_data)
void	blender::draw::draw_subdiv_build_sculpt_data_buffer (const DRWSubdivCache &cache, gpu::VertBuf mask_vbo, gpu::VertBuf face_set_vbo, gpu::VertBuf *sculpt_data)
void	blender::draw::draw_subdiv_accumulate_normals (const DRWSubdivCache &cache, gpu::VertBuf pos, gpu::VertBuf face_adjacency_offsets, gpu::VertBuf face_adjacency_lists, gpu::VertBuf vertex_loop_map, gpu::VertBuf *vert_normals)
void	blender::draw::draw_subdiv_build_tris_buffer (const DRWSubdivCache &cache, gpu::IndexBuf *subdiv_tris, const int material_count)
void	blender::draw::draw_subdiv_build_fdots_buffers (const DRWSubdivCache &cache, gpu::VertBuf fdots_pos, gpu::VertBuf fdots_nor, gpu::IndexBuf *fdots_indices)
void	blender::draw::draw_subdiv_build_lines_buffer (const DRWSubdivCache &cache, gpu::IndexBuf *lines_indices)
void	blender::draw::draw_subdiv_build_lines_loose_buffer (const DRWSubdivCache &cache, gpu::IndexBuf lines_indices, gpu::VertBuf lines_flags, uint edge_loose_offset, uint num_loose_edges)
void	blender::draw::draw_subdiv_build_edge_fac_buffer (const DRWSubdivCache &cache, gpu::VertBuf pos, gpu::VertBuf edge_draw_flag, gpu::VertBuf poly_other_map, gpu::VertBuf edge_fac)
void	blender::draw::draw_subdiv_build_lnor_buffer (const DRWSubdivCache &cache, gpu::VertBuf pos, gpu::VertBuf vert_normals, gpu::VertBuf subdiv_corner_verts, gpu::VertBuf lnor)
void	blender::draw::draw_subdiv_build_paint_overlay_flag_buffer (const DRWSubdivCache &cache, gpu::VertBuf &flags)
void	blender::draw::draw_subdiv_build_edituv_stretch_area_buffer (const DRWSubdivCache &cache, gpu::VertBuf coarse_data, gpu::VertBuf subdiv_data)
void	blender::draw::draw_subdiv_build_edituv_stretch_angle_buffer (const DRWSubdivCache &cache, gpu::VertBuf pos, gpu::VertBuf uvs, int uvs_offset, gpu::VertBuf *stretch_angles)
static void	blender::draw::draw_subdiv_cache_ensure_mat_offsets (DRWSubdivCache &cache, const Mesh *mesh_eval, uint mat_len)
static bool	blender::draw::draw_subdiv_create_requested_buffers (Object &ob, Mesh &mesh, MeshBatchCache &batch_cache, MeshBufferCache &mbc, const Span< IBOType > ibo_requests, const Span< VBOType > vbo_requests, const bool is_editmode, const bool is_paint_mode, const bool do_final, const bool do_uvedit, const bool do_cage, const ToolSettings *ts, const bool use_hide)
void	blender::draw::DRW_subdivide_loose_geom (DRWSubdivCache &subdiv_cache, const MeshBufferCache &cache)
void	blender::draw::DRW_create_subdivision (Object &ob, Mesh &mesh, MeshBatchCache &batch_cache, MeshBufferCache &mbc, const Span< IBOType > ibo_requests, const Span< VBOType > vbo_requests, const bool is_editmode, const bool is_paint_mode, const bool do_final, const bool do_uvedit, const bool do_cage, const ToolSettings *ts, const bool use_hide)
void	blender::draw::DRW_subdiv_cache_free (bke::subdiv::Subdiv *subdiv)
void	blender::draw::DRW_cache_free_old_subdiv ()
Vertex Formats
Used for data transfer from OpenSubdiv, and for data processing on our side.
static const GPUVertFormat &	blender::draw::get_origindex_format ()
Utilities to build a gpu::VertBuf from an origindex buffer.
gpu::VertBufPtr	blender::draw::draw_subdiv_init_origindex_buffer (int32_t *vert_origindex, uint num_loops, uint loose_len)
gpu::VertBuf *	blender::draw::draw_subdiv_build_origindex_buffer (int *vert_origindex, uint num_loops)
gpu::VertBufPtr	blender::draw::draw_subdiv_init_origindex_buffer (Span< int32_t > vert_origindex, uint loose_len)
gpu::VertBuf *	blender::draw::draw_subdiv_build_origindex_buffer (Span< int > vert_origindex)
Utilities for DRWPatchMap.
static void	blender::draw::draw_patch_map_free (DRWPatchMap *gpu_patch_map)
DRWSubdivUboStorage.
Common uniforms for the various shaders.
static void	blender::draw::draw_subdiv_init_ubo_storage (const DRWSubdivCache &cache, DRWSubdivUboStorage *ubo, const int src_offset, const int dst_offset, const uint total_dispatch_size, const bool has_sculpt_mask, const uint edge_loose_offset)
static void	blender::draw::draw_subdiv_ubo_update_and_bind (const DRWSubdivCache &cache, const int src_offset, const int dst_offset, const uint total_dispatch_size, const bool has_sculpt_mask=false, const uint edge_loose_offset=0)

Variables
static OpenSubdiv_EvaluatorCache *	blender::draw::g_subdiv_evaluator_cache = nullptr
static uint64_t	blender::draw::g_subdiv_evaluator_users = 0
static Mutex	blender::draw::g_subdiv_eval_mutex
static LinkNode *	blender::draw::gpu_subdiv_free_queue = nullptr
static blender::Mutex	blender::draw::gpu_subdiv_queue_mutex

DRWSubdivCache
This holds the various buffers used to evaluate and render subdivision through OpenGL.
#define	SUBDIV_COARSE_FACE_FLAG_SMOOTH 1u
#define	SUBDIV_COARSE_FACE_FLAG_SELECT 2u
#define	SUBDIV_COARSE_FACE_FLAG_ACTIVE 4u
#define	SUBDIV_COARSE_FACE_FLAG_HIDDEN 8u
#define	SUBDIV_COARSE_FACE_FLAG_OFFSET 28u
#define	SUBDIV_COARSE_FACE_FLAG_SMOOTH_MASK (SUBDIV_COARSE_FACE_FLAG_SMOOTH << SUBDIV_COARSE_FACE_FLAG_OFFSET)
#define	SUBDIV_COARSE_FACE_FLAG_SELECT_MASK (SUBDIV_COARSE_FACE_FLAG_SELECT << SUBDIV_COARSE_FACE_FLAG_OFFSET)
#define	SUBDIV_COARSE_FACE_FLAG_ACTIVE_MASK (SUBDIV_COARSE_FACE_FLAG_ACTIVE << SUBDIV_COARSE_FACE_FLAG_OFFSET)
#define	SUBDIV_COARSE_FACE_FLAG_HIDDEN_MASK (SUBDIV_COARSE_FACE_FLAG_HIDDEN << SUBDIV_COARSE_FACE_FLAG_OFFSET)
#define	SUBDIV_COARSE_FACE_LOOP_START_MASK
static bool	blender::draw::draw_subdiv_cache_need_face_data (const DRWSubdivCache &cache)
static void	blender::draw::draw_subdiv_cache_free_material_data (DRWSubdivCache &cache)
static void	blender::draw::draw_subdiv_free_edit_mode_cache (DRWSubdivCache &cache)
void	blender::draw::draw_subdiv_cache_free (DRWSubdivCache &cache)
static uint32_t	blender::draw::compute_coarse_face_flag_bm (BMFace f, BMFace efa_act)
static void	blender::draw::draw_subdiv_cache_extra_coarse_face_data_bm (BMesh bm, BMFace efa_act, MutableSpan< uint32_t > flags_data)
static void	blender::draw::draw_subdiv_cache_extra_coarse_face_data_mesh (const MeshRenderData &mr, const Mesh *mesh, MutableSpan< uint32_t > flags_data)
static void	blender::draw::draw_subdiv_cache_extra_coarse_face_data_mapped (const Mesh mesh, BMesh bm, MeshRenderData &mr, MutableSpan< uint32_t > flags_data)
static void	blender::draw::draw_subdiv_cache_update_extra_coarse_face_data (DRWSubdivCache &cache, const Mesh *mesh, MeshRenderData &mr)
static DRWSubdivCache &	blender::draw::mesh_batch_cache_ensure_subdiv_cache (MeshBatchCache &mbc)

Macro Definition Documentation

◆ SUBDIV_COARSE_FACE_FLAG_ACTIVE

#define SUBDIV_COARSE_FACE_FLAG_ACTIVE 4u

Definition at line 282 of file draw_cache_impl_subdivision.cc.

Referenced by blender::draw::compute_coarse_face_flag_bm().

◆ SUBDIV_COARSE_FACE_FLAG_ACTIVE_MASK

#define SUBDIV_COARSE_FACE_FLAG_ACTIVE_MASK (SUBDIV_COARSE_FACE_FLAG_ACTIVE << SUBDIV_COARSE_FACE_FLAG_OFFSET)

Definition at line 291 of file draw_cache_impl_subdivision.cc.

Referenced by blender::draw::draw_subdiv_init_ubo_storage().

◆ SUBDIV_COARSE_FACE_FLAG_HIDDEN

#define SUBDIV_COARSE_FACE_FLAG_HIDDEN 8u

Definition at line 283 of file draw_cache_impl_subdivision.cc.

Referenced by blender::draw::compute_coarse_face_flag_bm(), and blender::draw::draw_subdiv_cache_extra_coarse_face_data_mesh().

◆ SUBDIV_COARSE_FACE_FLAG_HIDDEN_MASK

#define SUBDIV_COARSE_FACE_FLAG_HIDDEN_MASK (SUBDIV_COARSE_FACE_FLAG_HIDDEN << SUBDIV_COARSE_FACE_FLAG_OFFSET)

Definition at line 293 of file draw_cache_impl_subdivision.cc.

Referenced by blender::draw::draw_subdiv_init_ubo_storage().

◆ SUBDIV_COARSE_FACE_FLAG_OFFSET

#define SUBDIV_COARSE_FACE_FLAG_OFFSET 28u

Definition at line 285 of file draw_cache_impl_subdivision.cc.

Referenced by blender::draw::draw_subdiv_cache_extra_coarse_face_data_bm(), blender::draw::draw_subdiv_cache_extra_coarse_face_data_mapped(), and blender::draw::draw_subdiv_cache_extra_coarse_face_data_mesh().

◆ SUBDIV_COARSE_FACE_FLAG_SELECT

#define SUBDIV_COARSE_FACE_FLAG_SELECT 2u

Definition at line 281 of file draw_cache_impl_subdivision.cc.

Referenced by blender::draw::compute_coarse_face_flag_bm(), and blender::draw::draw_subdiv_cache_extra_coarse_face_data_mesh().

◆ SUBDIV_COARSE_FACE_FLAG_SELECT_MASK

#define SUBDIV_COARSE_FACE_FLAG_SELECT_MASK (SUBDIV_COARSE_FACE_FLAG_SELECT << SUBDIV_COARSE_FACE_FLAG_OFFSET)

Definition at line 289 of file draw_cache_impl_subdivision.cc.

Referenced by blender::draw::draw_subdiv_init_ubo_storage().

◆ SUBDIV_COARSE_FACE_FLAG_SMOOTH

#define SUBDIV_COARSE_FACE_FLAG_SMOOTH 1u

Definition at line 280 of file draw_cache_impl_subdivision.cc.

Referenced by blender::draw::draw_subdiv_cache_extra_coarse_face_data_bm(), blender::draw::draw_subdiv_cache_extra_coarse_face_data_mapped(), and blender::draw::draw_subdiv_cache_extra_coarse_face_data_mesh().

◆ SUBDIV_COARSE_FACE_FLAG_SMOOTH_MASK

#define SUBDIV_COARSE_FACE_FLAG_SMOOTH_MASK (SUBDIV_COARSE_FACE_FLAG_SMOOTH << SUBDIV_COARSE_FACE_FLAG_OFFSET)

Definition at line 287 of file draw_cache_impl_subdivision.cc.

Referenced by blender::draw::draw_subdiv_init_ubo_storage().

◆ SUBDIV_COARSE_FACE_LOOP_START_MASK

#define SUBDIV_COARSE_FACE_LOOP_START_MASK

Value:

~((SUBDIV_COARSE_FACE_FLAG_SMOOTH | SUBDIV_COARSE_FACE_FLAG_SELECT | \
   SUBDIV_COARSE_FACE_FLAG_ACTIVE | SUBDIV_COARSE_FACE_FLAG_HIDDEN) \
  << SUBDIV_COARSE_FACE_FLAG_OFFSET)