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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2019 Blender Foundation. */
/** \file
* \ingroup draw
*/
#pragma once
struct DRWSubdivCache;
struct MeshRenderData;
struct TaskGraph;
#include "DNA_customdata_types.h"
#include "BKE_attribute.h"
#include "BKE_object.h"
#include "GPU_batch.h"
#include "GPU_index_buffer.h"
#include "GPU_vertex_buffer.h"
#include "draw_attributes.h"
/* Vertex Group Selection and display options */
typedef struct DRW_MeshWeightState {
int defgroup_active;
int defgroup_len;
short flags;
char alert_mode;
/* Set of all selected bones for Multi-paint. */
bool *defgroup_sel; /* [defgroup_len] */
int defgroup_sel_count;
/* Set of all locked and unlocked deform bones for Lock Relative mode. */
bool *defgroup_locked; /* [defgroup_len] */
bool *defgroup_unlocked; /* [defgroup_len] */
} DRW_MeshWeightState;
/* DRW_MeshWeightState.flags */
enum {
DRW_MESH_WEIGHT_STATE_MULTIPAINT = (1 << 0),
DRW_MESH_WEIGHT_STATE_AUTO_NORMALIZE = (1 << 1),
DRW_MESH_WEIGHT_STATE_LOCK_RELATIVE = (1 << 2),
};
typedef struct DRW_MeshCDMask {
uint32_t uv : 8;
uint32_t tan : 8;
uint32_t vcol : 8;
uint32_t orco : 1;
uint32_t tan_orco : 1;
uint32_t sculpt_overlays : 1;
/** Edit uv layer is from the base edit mesh as
* modifiers could remove it. (see T68857) */
uint32_t edit_uv : 1;
} DRW_MeshCDMask;
/* Keep `DRW_MeshCDMask` struct within an `uint32_t`.
* bit-wise and atomic operations are used to compare and update the struct.
* See `mesh_cd_layers_type_*` functions. */
BLI_STATIC_ASSERT(sizeof(DRW_MeshCDMask) <= sizeof(uint32_t), "DRW_MeshCDMask exceeds 32 bits")
typedef enum eMRIterType {
MR_ITER_LOOPTRI = 1 << 0,
MR_ITER_POLY = 1 << 1,
MR_ITER_LEDGE = 1 << 2,
MR_ITER_LVERT = 1 << 3,
} eMRIterType;
ENUM_OPERATORS(eMRIterType, MR_ITER_LVERT)
typedef enum eMRDataType {
MR_DATA_NONE = 0,
MR_DATA_POLY_NOR = 1 << 1,
MR_DATA_LOOP_NOR = 1 << 2,
MR_DATA_LOOPTRI = 1 << 3,
MR_DATA_LOOSE_GEOM = 1 << 4,
/** Force loop normals calculation. */
MR_DATA_TAN_LOOP_NOR = 1 << 5,
MR_DATA_POLYS_SORTED = 1 << 6,
} eMRDataType;
ENUM_OPERATORS(eMRDataType, MR_DATA_POLYS_SORTED)
#ifdef __cplusplus
extern "C" {
#endif
BLI_INLINE int mesh_render_mat_len_get(const Object *object, const Mesh *me)
{
if (me->edit_mesh != NULL) {
const Mesh *editmesh_eval_final = BKE_object_get_editmesh_eval_final(object);
if (editmesh_eval_final != NULL) {
return MAX2(1, editmesh_eval_final->totcol);
}
}
return MAX2(1, me->totcol);
}
typedef struct MeshBufferList {
/* Every VBO below contains at least enough
* data for every loops in the mesh (except fdots and skin roots).
* For some VBOs, it extends to (in this exact order) :
* loops + loose_edges*2 + loose_verts */
struct {
GPUVertBuf *pos_nor; /* extend */
GPUVertBuf *lnor; /* extend */
GPUVertBuf *edge_fac; /* extend */
GPUVertBuf *weights; /* extend */
GPUVertBuf *uv;
GPUVertBuf *tan;
GPUVertBuf *vcol;
GPUVertBuf *sculpt_data;
GPUVertBuf *orco;
/* Only for edit mode. */
GPUVertBuf *edit_data; /* extend */
GPUVertBuf *edituv_data;
GPUVertBuf *edituv_stretch_area;
GPUVertBuf *edituv_stretch_angle;
GPUVertBuf *mesh_analysis;
GPUVertBuf *fdots_pos;
GPUVertBuf *fdots_nor;
GPUVertBuf *fdots_uv;
// GPUVertBuf *fdots_edit_data; /* inside fdots_nor for now. */
GPUVertBuf *fdots_edituv_data;
GPUVertBuf *skin_roots;
/* Selection */
GPUVertBuf *vert_idx; /* extend */
GPUVertBuf *edge_idx; /* extend */
GPUVertBuf *poly_idx;
GPUVertBuf *fdot_idx;
GPUVertBuf *attr[GPU_MAX_ATTR];
} vbo;
/* Index Buffers:
* Only need to be updated when topology changes. */
struct {
/* Indices to vloops. */
GPUIndexBuf *tris; /* Ordered per material. */
GPUIndexBuf *lines; /* Loose edges last. */
GPUIndexBuf *lines_loose; /* sub buffer of `lines` only containing the loose edges. */
GPUIndexBuf *points;
GPUIndexBuf *fdots;
/* 3D overlays. */
GPUIndexBuf *lines_paint_mask; /* no loose edges. */
GPUIndexBuf *lines_adjacency;
/* Uv overlays. (visibility can differ from 3D view) */
GPUIndexBuf *edituv_tris;
GPUIndexBuf *edituv_lines;
GPUIndexBuf *edituv_points;
GPUIndexBuf *edituv_fdots;
} ibo;
} MeshBufferList;
typedef struct MeshBatchList {
/* Surfaces / Render */
GPUBatch *surface;
GPUBatch *surface_weights;
/* Edit mode */
GPUBatch *edit_triangles;
GPUBatch *edit_vertices;
GPUBatch *edit_edges;
GPUBatch *edit_vnor;
GPUBatch *edit_lnor;
GPUBatch *edit_fdots;
GPUBatch *edit_mesh_analysis;
GPUBatch *edit_skin_roots;
/* Edit UVs */
GPUBatch *edituv_faces_stretch_area;
GPUBatch *edituv_faces_stretch_angle;
GPUBatch *edituv_faces;
GPUBatch *edituv_edges;
GPUBatch *edituv_verts;
GPUBatch *edituv_fdots;
/* Edit selection */
GPUBatch *edit_selection_verts;
GPUBatch *edit_selection_edges;
GPUBatch *edit_selection_faces;
GPUBatch *edit_selection_fdots;
/* Common display / Other */
GPUBatch *all_verts;
GPUBatch *all_edges;
GPUBatch *loose_edges;
GPUBatch *edge_detection;
GPUBatch *wire_edges; /* Individual edges with face normals. */
GPUBatch *wire_loops; /* Loops around faces. no edges between selected faces */
GPUBatch *wire_loops_uvs; /* Same as wire_loops but only has uvs. */
GPUBatch *sculpt_overlays;
} MeshBatchList;
#define MBC_BATCH_LEN (sizeof(MeshBatchList) / sizeof(void *))
#define MBC_VBO_LEN (sizeof(((MeshBufferList){0}).vbo) / sizeof(void *))
#define MBC_IBO_LEN (sizeof(((MeshBufferList){0}).ibo) / sizeof(void *))
#define MBC_BATCH_INDEX(batch) (offsetof(MeshBatchList, batch) / sizeof(void *))
typedef enum DRWBatchFlag {
MBC_SURFACE = (1u << MBC_BATCH_INDEX(surface)),
MBC_SURFACE_WEIGHTS = (1u << MBC_BATCH_INDEX(surface_weights)),
MBC_EDIT_TRIANGLES = (1u << MBC_BATCH_INDEX(edit_triangles)),
MBC_EDIT_VERTICES = (1u << MBC_BATCH_INDEX(edit_vertices)),
MBC_EDIT_EDGES = (1u << MBC_BATCH_INDEX(edit_edges)),
MBC_EDIT_VNOR = (1u << MBC_BATCH_INDEX(edit_vnor)),
MBC_EDIT_LNOR = (1u << MBC_BATCH_INDEX(edit_lnor)),
MBC_EDIT_FACEDOTS = (1u << MBC_BATCH_INDEX(edit_fdots)),
MBC_EDIT_MESH_ANALYSIS = (1u << MBC_BATCH_INDEX(edit_mesh_analysis)),
MBC_SKIN_ROOTS = (1u << MBC_BATCH_INDEX(edit_skin_roots)),
MBC_EDITUV_FACES_STRETCH_AREA = (1u << MBC_BATCH_INDEX(edituv_faces_stretch_area)),
MBC_EDITUV_FACES_STRETCH_ANGLE = (1u << MBC_BATCH_INDEX(edituv_faces_stretch_angle)),
MBC_EDITUV_FACES = (1u << MBC_BATCH_INDEX(edituv_faces)),
MBC_EDITUV_EDGES = (1u << MBC_BATCH_INDEX(edituv_edges)),
MBC_EDITUV_VERTS = (1u << MBC_BATCH_INDEX(edituv_verts)),
MBC_EDITUV_FACEDOTS = (1u << MBC_BATCH_INDEX(edituv_fdots)),
MBC_EDIT_SELECTION_VERTS = (1u << MBC_BATCH_INDEX(edit_selection_verts)),
MBC_EDIT_SELECTION_EDGES = (1u << MBC_BATCH_INDEX(edit_selection_edges)),
MBC_EDIT_SELECTION_FACES = (1u << MBC_BATCH_INDEX(edit_selection_faces)),
MBC_EDIT_SELECTION_FACEDOTS = (1u << MBC_BATCH_INDEX(edit_selection_fdots)),
MBC_ALL_VERTS = (1u << MBC_BATCH_INDEX(all_verts)),
MBC_ALL_EDGES = (1u << MBC_BATCH_INDEX(all_edges)),
MBC_LOOSE_EDGES = (1u << MBC_BATCH_INDEX(loose_edges)),
MBC_EDGE_DETECTION = (1u << MBC_BATCH_INDEX(edge_detection)),
MBC_WIRE_EDGES = (1u << MBC_BATCH_INDEX(wire_edges)),
MBC_WIRE_LOOPS = (1u << MBC_BATCH_INDEX(wire_loops)),
MBC_WIRE_LOOPS_UVS = (1u << MBC_BATCH_INDEX(wire_loops_uvs)),
MBC_SCULPT_OVERLAYS = (1u << MBC_BATCH_INDEX(sculpt_overlays)),
} DRWBatchFlag;
BLI_STATIC_ASSERT(MBC_BATCH_LEN < 32, "Number of batches exceeded the limit of bit fields");
typedef struct MeshExtractLooseGeom {
int edge_len;
int vert_len;
int *verts;
int *edges;
} MeshExtractLooseGeom;
/**
* Data that are kept around between extractions to reduce rebuilding time.
*
* - Loose geometry.
*/
typedef struct MeshBufferCache {
MeshBufferList buff;
MeshExtractLooseGeom loose_geom;
struct {
int *tri_first_index;
int *mat_tri_len;
int visible_tri_len;
} poly_sorted;
} MeshBufferCache;
#define FOREACH_MESH_BUFFER_CACHE(batch_cache, mbc) \
for (MeshBufferCache *mbc = &batch_cache->final; \
mbc == &batch_cache->final || mbc == &batch_cache->cage || mbc == &batch_cache->uv_cage; \
mbc = (mbc == &batch_cache->final) ? \
&batch_cache->cage : \
((mbc == &batch_cache->cage) ? &batch_cache->uv_cage : NULL))
typedef struct MeshBatchCache {
MeshBufferCache final, cage, uv_cage;
MeshBatchList batch;
/* Index buffer per material. These are subranges of `ibo.tris` */
GPUIndexBuf **tris_per_mat;
GPUBatch **surface_per_mat;
struct DRWSubdivCache *subdiv_cache;
DRWBatchFlag batch_requested; /* DRWBatchFlag */
DRWBatchFlag batch_ready; /* DRWBatchFlag */
/* settings to determine if cache is invalid */
int edge_len;
int tri_len;
int poly_len;
int vert_len;
int mat_len;
bool is_dirty; /* Instantly invalidates cache, skipping mesh check */
bool is_editmode;
bool is_uvsyncsel;
struct DRW_MeshWeightState weight_state;
DRW_MeshCDMask cd_used, cd_needed, cd_used_over_time;
DRW_Attributes attr_used, attr_needed, attr_used_over_time;
int lastmatch;
/* Valid only if edge_detection is up to date. */
bool is_manifold;
/* Total areas for drawing UV Stretching. Contains the summed area in mesh
* space (`tot_area`) and the summed area in uv space (`tot_uvarea`).
*
* Only valid after `DRW_mesh_batch_cache_create_requested` has been called. */
float tot_area, tot_uv_area;
bool no_loose_wire;
eV3DShadingColorType color_type;
bool pbvh_is_drawing;
} MeshBatchCache;
#define MBC_EDITUV \
(MBC_EDITUV_FACES_STRETCH_AREA | MBC_EDITUV_FACES_STRETCH_ANGLE | MBC_EDITUV_FACES | \
MBC_EDITUV_EDGES | MBC_EDITUV_VERTS | MBC_EDITUV_FACEDOTS | MBC_WIRE_LOOPS_UVS)
void mesh_buffer_cache_create_requested(struct TaskGraph *task_graph,
MeshBatchCache *cache,
MeshBufferCache *mbc,
Object *object,
Mesh *me,
bool is_editmode,
bool is_paint_mode,
bool is_mode_active,
const float obmat[4][4],
bool do_final,
bool do_uvedit,
const Scene *scene,
const struct ToolSettings *ts,
bool use_hide);
void mesh_buffer_cache_create_requested_subdiv(MeshBatchCache *cache,
MeshBufferCache *mbc,
struct DRWSubdivCache *subdiv_cache,
struct MeshRenderData *mr);
#ifdef __cplusplus
}
#endif
|