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Cleanup: Split draw_cache_extract_mesh into multiple files.

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draw_cache_extract_mesh for task scheduling. Will be refactored to draw_cache_extract_mesh_scheduling later on after migrating to CPP.

draw_cache_extract_mesh_render_data extraction of mesh render data from edit mesh/mesh into a more generic structure.

draw_cache_extract_mesh_extractors containing all the extractors. This will be split up further into a single file per extractor.
This commit is contained in:
Jeroen Bakker
2021-06-01 09:23:37 +02:00
parent 13deb5088a
commit 930ad9257d
7 changed files with 5646 additions and 5484 deletions
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2
source/blender/draw/CMakeLists.txt
View File

@@ -51,6 +51,8 @@ set(INC
set(SRC
intern/draw_cache.c
intern/draw_cache_extract_mesh_extractors.c
intern/draw_cache_extract_mesh_render_data.c
intern/draw_cache_extract_mesh.c
intern/draw_cache_impl_curve.cc
intern/draw_cache_impl_displist.c

10
source/blender/draw/intern/draw_cache_extract.h
View File

@@ -24,6 +24,10 @@
struct TaskGraph;
#include "GPU_batch.h"
#include "GPU_index_buffer.h"
#include "GPU_vertex_buffer.h"
/* Vertex Group Selection and display options */
typedef struct DRW_MeshWeightState {
int defgroup_active;
@@ -80,12 +84,6 @@ typedef enum eMRDataType {
MR_DATA_TAN_LOOP_NOR = 1 << 4,
} eMRDataType;
typedef enum eMRExtractType {
MR_EXTRACT_BMESH,
MR_EXTRACT_MAPPED,
MR_EXTRACT_MESH,
} eMRExtractType;
BLI_INLINE int mesh_render_mat_len_get(Mesh *me)
{
/* In edit mode, the displayed mesh is stored in the edit-mesh. */

5486
source/blender/draw/intern/draw_cache_extract_mesh.c
View File

@@ -22,55 +22,22 @@
*
* \brief Extraction of Mesh data into VBO to feed to GPU.
*/
#include "MEM_guardedalloc.h"
#include "BLI_alloca.h"
#include "BLI_bitmap.h"
#include "BLI_buffer.h"
#include "BLI_edgehash.h"
#include "BLI_jitter_2d.h"
#include "BLI_math_bits.h"
#include "BLI_math_vector.h"
#include "BLI_string.h"
#include "BLI_task.h"
#include "BLI_utildefines.h"
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "BKE_bvhutils.h"
#include "BKE_customdata.h"
#include "BKE_deform.h"
#include "BKE_editmesh.h"
#include "BKE_editmesh_bvh.h"
#include "BKE_editmesh_cache.h"
#include "BKE_editmesh_tangent.h"
#include "BKE_mesh.h"
#include "BKE_mesh_runtime.h"
#include "BKE_mesh_tangent.h"
#include "BKE_modifier.h"
#include "BKE_object_deform.h"
#include "BKE_paint.h"
#include "atomic_ops.h"
#include "bmesh.h"
#include "DNA_mesh_types.h"
#include "DNA_scene_types.h"
#include "BLI_task.h"
#include "BKE_editmesh.h"
#include "GPU_batch.h"
#include "GPU_capabilities.h"
#include "DRW_render.h"
#include "ED_mesh.h"
#include "ED_uvedit.h"
#include "draw_cache_impl.h"
#include "draw_cache_inline.h"
#include "draw_cache_extract.h"
#include "draw_cache_extract_mesh_private.h"
#include "draw_cache_inline.h"
// #define DEBUG_TIME
@@ -80,751 +47,10 @@
#define CHUNK_SIZE 8192
/*
* Max number of extractions types.
*/
#define M_EXTRACT_LEN 38
/* ---------------------------------------------------------------------- */
/** \name Mesh/BMesh Interface (indirect, partially cached access to complex data).
* \{ */
typedef struct MeshRenderData {
eMRExtractType extract_type;
int poly_len, edge_len, vert_len, loop_len;
int edge_loose_len;
int vert_loose_len;
int loop_loose_len;
int tri_len;
int mat_len;
bool use_hide;
bool use_subsurf_fdots;
bool use_final_mesh;
/** Use for #MeshStatVis calculation which use world-space coords. */
float obmat[4][4];
const ToolSettings *toolsettings;
/** Edit Mesh */
BMEditMesh *edit_bmesh;
BMesh *bm;
EditMeshData *edit_data;
/* For deformed edit-mesh data. */
/* Use for #ME_WRAPPER_TYPE_BMESH. */
const float (*bm_vert_coords)[3];
const float (*bm_vert_normals)[3];
const float (*bm_poly_normals)[3];
const float (*bm_poly_centers)[3];
int *v_origindex, *e_origindex, *p_origindex;
int crease_ofs;
int bweight_ofs;
int freestyle_edge_ofs;
int freestyle_face_ofs;
/** Mesh */
Mesh *me;
const MVert *mvert;
const MEdge *medge;
const MLoop *mloop;
const MPoly *mpoly;
BMVert *eve_act;
BMEdge *eed_act;
BMFace *efa_act;
BMFace *efa_act_uv;
/* Data created on-demand (usually not for #BMesh based data). */
MLoopTri *mlooptri;
float (*loop_normals)[3];
float (*poly_normals)[3];
int *lverts, *ledges;
} MeshRenderData;
static void mesh_render_data_loose_geom_load(MeshRenderData *mr, MeshBufferExtractionCache *cache)
{
mr->ledges = cache->ledges;
mr->lverts = cache->lverts;
mr->vert_loose_len = cache->vert_loose_len;
mr->edge_loose_len = cache->edge_loose_len;
mr->loop_loose_len = mr->vert_loose_len + (mr->edge_loose_len * 2);
}
static void mesh_render_data_loose_geom_ensure(const MeshRenderData *mr,
MeshBufferExtractionCache *cache)
{
/* Early exit: Are loose geometry already available. Only checking for loose verts as loose edges
* and verts are calculated at the same time.*/
if (cache->lverts) {
return;
}
cache->vert_loose_len = 0;
cache->edge_loose_len = 0;
if (mr->extract_type != MR_EXTRACT_BMESH) {
/* Mesh */
BLI_bitmap *lvert_map = BLI_BITMAP_NEW(mr->vert_len, __func__);
cache->ledges = MEM_mallocN(mr->edge_len * sizeof(*cache->ledges), __func__);
const MEdge *med = mr->medge;
for (int med_index = 0; med_index < mr->edge_len; med_index++, med++) {
if (med->flag & ME_LOOSEEDGE) {
cache->ledges[cache->edge_loose_len++] = med_index;
}
/* Tag verts as not loose. */
BLI_BITMAP_ENABLE(lvert_map, med->v1);
BLI_BITMAP_ENABLE(lvert_map, med->v2);
}
if (cache->edge_loose_len < mr->edge_len) {
cache->ledges = MEM_reallocN(cache->ledges, cache->edge_loose_len * sizeof(*cache->ledges));
}
cache->lverts = MEM_mallocN(mr->vert_len * sizeof(*mr->lverts), __func__);
for (int v = 0; v < mr->vert_len; v++) {
if (!BLI_BITMAP_TEST(lvert_map, v)) {
cache->lverts[cache->vert_loose_len++] = v;
}
}
if (cache->vert_loose_len < mr->vert_len) {
cache->lverts = MEM_reallocN(cache->lverts, cache->vert_loose_len * sizeof(*cache->lverts));
}
MEM_freeN(lvert_map);
}
else {
/* #BMesh */
BMesh *bm = mr->bm;
int elem_id;
BMIter iter;
BMVert *eve;
BMEdge *ede;
cache->lverts = MEM_mallocN(mr->vert_len * sizeof(*cache->lverts), __func__);
BM_ITER_MESH_INDEX (eve, &iter, bm, BM_VERTS_OF_MESH, elem_id) {
if (eve->e == NULL) {
cache->lverts[cache->vert_loose_len++] = elem_id;
}
}
if (cache->vert_loose_len < mr->vert_len) {
cache->lverts = MEM_reallocN(cache->lverts, cache->vert_loose_len * sizeof(*cache->lverts));
}
cache->ledges = MEM_mallocN(mr->edge_len * sizeof(*cache->ledges), __func__);
BM_ITER_MESH_INDEX (ede, &iter, bm, BM_EDGES_OF_MESH, elem_id) {
if (ede->l == NULL) {
cache->ledges[cache->edge_loose_len++] = elem_id;
}
}
if (cache->edge_loose_len < mr->edge_len) {
cache->ledges = MEM_reallocN(cache->ledges, cache->edge_loose_len * sizeof(*cache->ledges));
}
}
}
/**
* Part of the creation of the #MeshRenderData that happens in a thread.
*/
static void mesh_render_data_update_looptris(MeshRenderData *mr,
const eMRIterType iter_type,
const eMRDataType data_flag)
{
Mesh *me = mr->me;
if (mr->extract_type != MR_EXTRACT_BMESH) {
/* Mesh */
if ((iter_type & MR_ITER_LOOPTRI) || (data_flag & MR_DATA_LOOPTRI)) {
mr->mlooptri = MEM_mallocN(sizeof(*mr->mlooptri) * mr->tri_len, "MR_DATATYPE_LOOPTRI");
BKE_mesh_recalc_looptri(
me->mloop, me->mpoly, me->mvert, me->totloop, me->totpoly, mr->mlooptri);
}
}
else {
/* #BMesh */
if ((iter_type & MR_ITER_LOOPTRI) || (data_flag & MR_DATA_LOOPTRI)) {
/* Edit mode ensures this is valid, no need to calculate. */
BLI_assert((mr->bm->totloop == 0) || (mr->edit_bmesh->looptris != NULL));
}
}
}
static void mesh_render_data_update_normals(MeshRenderData *mr,
const eMRIterType UNUSED(iter_type),
const eMRDataType data_flag)
{
Mesh *me = mr->me;
const bool is_auto_smooth = (me->flag & ME_AUTOSMOOTH) != 0;
const float split_angle = is_auto_smooth ? me->smoothresh : (float)M_PI;
if (mr->extract_type != MR_EXTRACT_BMESH) {
/* Mesh */
if (data_flag & (MR_DATA_POLY_NOR | MR_DATA_LOOP_NOR | MR_DATA_TAN_LOOP_NOR)) {
mr->poly_normals = MEM_mallocN(sizeof(*mr->poly_normals) * mr->poly_len, __func__);
BKE_mesh_calc_normals_poly((MVert *)mr->mvert,
NULL,
mr->vert_len,
mr->mloop,
mr->mpoly,
mr->loop_len,
mr->poly_len,
mr->poly_normals,
true);
}
if (((data_flag & MR_DATA_LOOP_NOR) && is_auto_smooth) || (data_flag & MR_DATA_TAN_LOOP_NOR)) {
mr->loop_normals = MEM_mallocN(sizeof(*mr->loop_normals) * mr->loop_len, __func__);
short(*clnors)[2] = CustomData_get_layer(&mr->me->ldata, CD_CUSTOMLOOPNORMAL);
BKE_mesh_normals_loop_split(mr->me->mvert,
mr->vert_len,
mr->me->medge,
mr->edge_len,
mr->me->mloop,
mr->loop_normals,
mr->loop_len,
mr->me->mpoly,
mr->poly_normals,
mr->poly_len,
is_auto_smooth,
split_angle,
NULL,
clnors,
NULL);
}
}
else {
/* #BMesh */
if (data_flag & MR_DATA_POLY_NOR) {
/* Use #BMFace.no instead. */
}
if (((data_flag & MR_DATA_LOOP_NOR) && is_auto_smooth) || (data_flag & MR_DATA_TAN_LOOP_NOR)) {
const float(*vert_coords)[3] = NULL;
const float(*vert_normals)[3] = NULL;
const float(*poly_normals)[3] = NULL;
if (mr->edit_data && mr->edit_data->vertexCos) {
vert_coords = mr->bm_vert_coords;
vert_normals = mr->bm_vert_normals;
poly_normals = mr->bm_poly_normals;
}
mr->loop_normals = MEM_mallocN(sizeof(*mr->loop_normals) * mr->loop_len, __func__);
const int clnors_offset = CustomData_get_offset(&mr->bm->ldata, CD_CUSTOMLOOPNORMAL);
BM_loops_calc_normal_vcos(mr->bm,
vert_coords,
vert_normals,
poly_normals,
is_auto_smooth,
split_angle,
mr->loop_normals,
NULL,
NULL,
clnors_offset,
false);
}
}
}
/**
* \param is_mode_active: When true, use the modifiers from the edit-data,
* otherwise don't use modifiers as they are not from this object.
*/
static MeshRenderData *mesh_render_data_create(Mesh *me,
MeshBufferExtractionCache *cache,
const bool is_editmode,
const bool is_paint_mode,
const bool is_mode_active,
const float obmat[4][4],
const bool do_final,
const bool do_uvedit,
const DRW_MeshCDMask *UNUSED(cd_used),
const ToolSettings *ts,
const eMRIterType iter_type)
{
MeshRenderData *mr = MEM_callocN(sizeof(*mr), __func__);
mr->toolsettings = ts;
mr->mat_len = mesh_render_mat_len_get(me);
copy_m4_m4(mr->obmat, obmat);
if (is_editmode) {
BLI_assert(me->edit_mesh->mesh_eval_cage && me->edit_mesh->mesh_eval_final);
mr->bm = me->edit_mesh->bm;
mr->edit_bmesh = me->edit_mesh;
mr->me = (do_final) ? me->edit_mesh->mesh_eval_final : me->edit_mesh->mesh_eval_cage;
mr->edit_data = is_mode_active ? mr->me->runtime.edit_data : NULL;
if (mr->edit_data) {
EditMeshData *emd = mr->edit_data;
if (emd->vertexCos) {
BKE_editmesh_cache_ensure_vert_normals(mr->edit_bmesh, emd);
BKE_editmesh_cache_ensure_poly_normals(mr->edit_bmesh, emd);
}
mr->bm_vert_coords = mr->edit_data->vertexCos;
mr->bm_vert_normals = mr->edit_data->vertexNos;
mr->bm_poly_normals = mr->edit_data->polyNos;
mr->bm_poly_centers = mr->edit_data->polyCos;
}
bool has_mdata = is_mode_active && (mr->me->runtime.wrapper_type == ME_WRAPPER_TYPE_MDATA);
bool use_mapped = is_mode_active &&
(has_mdata && !do_uvedit && mr->me && !mr->me->runtime.is_original);
int bm_ensure_types = BM_VERT | BM_EDGE | BM_LOOP | BM_FACE;
BM_mesh_elem_index_ensure(mr->bm, bm_ensure_types);
BM_mesh_elem_table_ensure(mr->bm, bm_ensure_types & ~BM_LOOP);
mr->efa_act_uv = EDBM_uv_active_face_get(mr->edit_bmesh, false, false);
mr->efa_act = BM_mesh_active_face_get(mr->bm, false, true);
mr->eed_act = BM_mesh_active_edge_get(mr->bm);
mr->eve_act = BM_mesh_active_vert_get(mr->bm);
mr->crease_ofs = CustomData_get_offset(&mr->bm->edata, CD_CREASE);
mr->bweight_ofs = CustomData_get_offset(&mr->bm->edata, CD_BWEIGHT);
#ifdef WITH_FREESTYLE
mr->freestyle_edge_ofs = CustomData_get_offset(&mr->bm->edata, CD_FREESTYLE_EDGE);
mr->freestyle_face_ofs = CustomData_get_offset(&mr->bm->pdata, CD_FREESTYLE_FACE);
#endif
if (use_mapped) {
mr->v_origindex = CustomData_get_layer(&mr->me->vdata, CD_ORIGINDEX);
mr->e_origindex = CustomData_get_layer(&mr->me->edata, CD_ORIGINDEX);
mr->p_origindex = CustomData_get_layer(&mr->me->pdata, CD_ORIGINDEX);
use_mapped = (mr->v_origindex || mr->e_origindex || mr->p_origindex);
}
mr->extract_type = use_mapped ? MR_EXTRACT_MAPPED : MR_EXTRACT_BMESH;
/* Seems like the mesh_eval_final do not have the right origin indices.
* Force not mapped in this case. */
if (has_mdata && do_final && me->edit_mesh->mesh_eval_final != me->edit_mesh->mesh_eval_cage) {
// mr->edit_bmesh = NULL;
mr->extract_type = MR_EXTRACT_MESH;
}
}
else {
mr->me = me;
mr->edit_bmesh = NULL;
bool use_mapped = is_paint_mode && mr->me && !mr->me->runtime.is_original;
if (use_mapped) {
mr->v_origindex = CustomData_get_layer(&mr->me->vdata, CD_ORIGINDEX);
mr->e_origindex = CustomData_get_layer(&mr->me->edata, CD_ORIGINDEX);
mr->p_origindex = CustomData_get_layer(&mr->me->pdata, CD_ORIGINDEX);
use_mapped = (mr->v_origindex || mr->e_origindex || mr->p_origindex);
}
mr->extract_type = use_mapped ? MR_EXTRACT_MAPPED : MR_EXTRACT_MESH;
}
if (mr->extract_type != MR_EXTRACT_BMESH) {
/* Mesh */
mr->vert_len = mr->me->totvert;
mr->edge_len = mr->me->totedge;
mr->loop_len = mr->me->totloop;
mr->poly_len = mr->me->totpoly;
mr->tri_len = poly_to_tri_count(mr->poly_len, mr->loop_len);
mr->mvert = CustomData_get_layer(&mr->me->vdata, CD_MVERT);
mr->medge = CustomData_get_layer(&mr->me->edata, CD_MEDGE);
mr->mloop = CustomData_get_layer(&mr->me->ldata, CD_MLOOP);
mr->mpoly = CustomData_get_layer(&mr->me->pdata, CD_MPOLY);
mr->v_origindex = CustomData_get_layer(&mr->me->vdata, CD_ORIGINDEX);
mr->e_origindex = CustomData_get_layer(&mr->me->edata, CD_ORIGINDEX);
mr->p_origindex = CustomData_get_layer(&mr->me->pdata, CD_ORIGINDEX);
}
else {
/* #BMesh */
BMesh *bm = mr->bm;
mr->vert_len = bm->totvert;
mr->edge_len = bm->totedge;
mr->loop_len = bm->totloop;
mr->poly_len = bm->totface;
mr->tri_len = poly_to_tri_count(mr->poly_len, mr->loop_len);
}
if (iter_type & (MR_ITER_LEDGE | MR_ITER_LVERT)) {
mesh_render_data_loose_geom_ensure(mr, cache);
mesh_render_data_loose_geom_load(mr, cache);
}
return mr;
}
static void mesh_render_data_free(MeshRenderData *mr)
{
MEM_SAFE_FREE(mr->mlooptri);
MEM_SAFE_FREE(mr->poly_normals);
MEM_SAFE_FREE(mr->loop_normals);
/* Loose geometry are owned by MeshBufferExtractionCache. */
mr->ledges = NULL;
mr->lverts = NULL;
MEM_freeN(mr);
}
BLI_INLINE BMFace *bm_original_face_get(const MeshRenderData *mr, int idx)
{
return ((mr->p_origindex != NULL) && (mr->p_origindex[idx] != ORIGINDEX_NONE) && mr->bm) ?
BM_face_at_index(mr->bm, mr->p_origindex[idx]) :
NULL;
}
BLI_INLINE BMEdge *bm_original_edge_get(const MeshRenderData *mr, int idx)
{
return ((mr->e_origindex != NULL) && (mr->e_origindex[idx] != ORIGINDEX_NONE) && mr->bm) ?
BM_edge_at_index(mr->bm, mr->e_origindex[idx]) :
NULL;
}
BLI_INLINE BMVert *bm_original_vert_get(const MeshRenderData *mr, int idx)
{
return ((mr->v_origindex != NULL) && (mr->v_origindex[idx] != ORIGINDEX_NONE) && mr->bm) ?
BM_vert_at_index(mr->bm, mr->v_origindex[idx]) :
NULL;
}
BLI_INLINE const float *bm_vert_co_get(const MeshRenderData *mr, const BMVert *eve)
{
const float(*vert_coords)[3] = mr->bm_vert_coords;
if (vert_coords != NULL) {
return vert_coords[BM_elem_index_get(eve)];
}
UNUSED_VARS(mr);
return eve->co;
}
BLI_INLINE const float *bm_vert_no_get(const MeshRenderData *mr, const BMVert *eve)
{
const float(*vert_normals)[3] = mr->bm_vert_normals;
if (vert_normals != NULL) {
return vert_normals[BM_elem_index_get(eve)];
}
UNUSED_VARS(mr);
return eve->no;
}
BLI_INLINE const float *bm_face_no_get(const MeshRenderData *mr, const BMFace *efa)
{
const float(*poly_normals)[3] = mr->bm_poly_normals;
if (poly_normals != NULL) {
return poly_normals[BM_elem_index_get(efa)];
}
UNUSED_VARS(mr);
return efa->no;
}
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Mesh Elements Extract: Loop Triangles
* \{ */
typedef struct ExtractTriBMesh_Params {
BMLoop *(*looptris)[3];
int tri_range[2];
} ExtractTriBMesh_Params;
typedef void(ExtractTriBMeshFn)(const MeshRenderData *mr,
BMLoop **elt,
const int elt_index,
void *data);
#define EXTRACT_TRIS_LOOPTRI_FOREACH_BM_BEGIN(elem_tri, index_tri, params) \
CHECK_TYPE(params, const ExtractTriBMesh_Params *); \
{ \
const int _tri_index_end = (params)->tri_range[1]; \
BMLoop **elem_tri = (params)->looptris[(params)->tri_range[0]]; \
for (int index_tri = (params)->tri_range[0]; index_tri < _tri_index_end; \
index_tri += 1, elem_tri += 3)
#define EXTRACT_TRIS_LOOPTRI_FOREACH_BM_END }
typedef struct ExtractTriMesh_Params {
const MLoopTri *mlooptri;
int tri_range[2];
} ExtractTriMesh_Params;
typedef void(ExtractTriMeshFn)(const MeshRenderData *mr,
const MLoopTri *mlt,
const int elt_index,
void *data);
#define EXTRACT_TRIS_LOOPTRI_FOREACH_MESH_BEGIN(elem_tri, index_tri, params) \
CHECK_TYPE(params, const ExtractTriMesh_Params *); \
{ \
const int _tri_index_end = (params)->tri_range[1]; \
const MLoopTri *elem_tri = &(params)->mlooptri[(params)->tri_range[0]]; \
for (int index_tri = (params)->tri_range[0]; index_tri < _tri_index_end; \
index_tri += 1, elem_tri += 1)
#define EXTRACT_TRIS_LOOPTRI_FOREACH_MESH_END }
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Mesh Elements Extract: Polygons, Loops
* \{ */
typedef struct ExtractPolyBMesh_Params {
BMLoop *(*looptris)[3];
int poly_range[2];
} ExtractPolyBMesh_Params;
typedef void(ExtractPolyBMeshFn)(const MeshRenderData *mr,
BMFace *f,
const int f_index,
void *data);
#define EXTRACT_POLY_FOREACH_BM_BEGIN(elem_poly, index_poly, params, mr) \
CHECK_TYPE(params, const ExtractPolyBMesh_Params *); \
{ \
BLI_assert((mr->bm->elem_table_dirty & BM_FACE) == 0); \
BMFace **_ftable = mr->bm->ftable; \
const int _poly_index_end = (params)->poly_range[1]; \
for (int index_poly = (params)->poly_range[0]; index_poly < _poly_index_end; \
index_poly += 1) { \
BMFace *elem_poly = _ftable[index_poly]; \
(void)elem_poly;
#define EXTRACT_POLY_FOREACH_BM_END \
} \
}
/* Iterate over polygon and loop. */
#define EXTRACT_POLY_AND_LOOP_FOREACH_BM_BEGIN(elem_loop, index_loop, params, mr) \
CHECK_TYPE(params, const ExtractPolyBMesh_Params *); \
{ \
BLI_assert((mr->bm->elem_table_dirty & BM_FACE) == 0); \
BMFace **_ftable = mr->bm->ftable; \
const int _poly_index_end = (params)->poly_range[1]; \
for (int index_poly = (params)->poly_range[0]; index_poly < _poly_index_end; \
index_poly += 1) { \
BMFace *elem_face = _ftable[index_poly]; \
BMLoop *elem_loop, *l_first; \
elem_loop = l_first = BM_FACE_FIRST_LOOP(elem_face); \
do { \
const int index_loop = BM_elem_index_get(elem_loop); \
(void)index_loop; /* Quiet warning when unused. */
#define EXTRACT_POLY_AND_LOOP_FOREACH_BM_END(elem_loop) \
} \
while ((elem_loop = elem_loop->next) != l_first) \
; \
} \
}
typedef struct ExtractPolyMesh_Params {
int poly_range[2];
} ExtractPolyMesh_Params;
typedef void(ExtractPolyMeshFn)(const MeshRenderData *mr,
const MPoly *mp,
const int mp_index,
void *data);
#define EXTRACT_POLY_FOREACH_MESH_BEGIN(elem_poly, index_poly, params, mr) \
CHECK_TYPE(params, const ExtractPolyMesh_Params *); \
{ \
const MPoly *_mpoly = mr->mpoly; \
const int _poly_index_end = (params)->poly_range[1]; \
for (int index_poly = (params)->poly_range[0]; index_poly < _poly_index_end; \
index_poly += 1) { \
const MPoly *elem_poly = &_mpoly[index_poly]; \
(void)elem_poly;
#define EXTRACT_POLY_FOREACH_MESH_END \
} \
}
/* Iterate over polygon and loop. */
#define EXTRACT_POLY_AND_LOOP_FOREACH_MESH_BEGIN( \
elem_poly, index_poly, elem_loop, index_loop, params, mr) \
CHECK_TYPE(params, const ExtractPolyMesh_Params *); \
{ \
const MPoly *_mpoly = mr->mpoly; \
const MLoop *_mloop = mr->mloop; \
const int _poly_index_end = (params)->poly_range[1]; \
for (int index_poly = (params)->poly_range[0]; index_poly < _poly_index_end; \
index_poly += 1) { \
const MPoly *elem_poly = &_mpoly[index_poly]; \
const int _index_end = elem_poly->loopstart + elem_poly->totloop; \
for (int index_loop = elem_poly->loopstart; index_loop < _index_end; index_loop += 1) { \
const MLoop *elem_loop = &_mloop[index_loop]; \
(void)elem_loop;
#define EXTRACT_POLY_AND_LOOP_FOREACH_MESH_END \
} \
} \
}
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Mesh Elements Extract: Loose Edges
* \{ */
typedef struct ExtractLEdgeBMesh_Params {
const int *ledge;
int ledge_range[2];
} ExtractLEdgeBMesh_Params;
typedef void(ExtractLEdgeBMeshFn)(const MeshRenderData *mr,
BMEdge *eed,
const int ledge_index,
void *data);
#define EXTRACT_LEDGE_FOREACH_BM_BEGIN(elem_edge, index_ledge, params) \
CHECK_TYPE(params, const ExtractLEdgeBMesh_Params *); \
{ \
BLI_assert((mr->bm->elem_table_dirty & BM_EDGE) == 0); \
BMEdge **_etable = mr->bm->etable; \
const int *_ledge = (params)->ledge; \
const int _ledge_index_end = (params)->ledge_range[1]; \
for (int index_ledge = (params)->ledge_range[0]; index_ledge < _ledge_index_end; \
index_ledge += 1) { \
BMEdge *elem_edge = _etable[_ledge[index_ledge]]; \
(void)elem_edge; /* Quiet warning when unused. */ \
{
#define EXTRACT_LEDGE_FOREACH_BM_END \
} \
} \
}
typedef struct ExtractLEdgeMesh_Params {
const int *ledge;
int ledge_range[2];
} ExtractLEdgeMesh_Params;
typedef void(ExtractLEdgeMeshFn)(const MeshRenderData *mr,
const MEdge *med,
const uint ledge_index,
void *data);
#define EXTRACT_LEDGE_FOREACH_MESH_BEGIN(elem_edge, index_ledge, params, mr) \
CHECK_TYPE(params, const ExtractLEdgeMesh_Params *); \
{ \
const MEdge *_medge = mr->medge; \
const int *_ledge = (params)->ledge; \
const int _ledge_index_end = (params)->ledge_range[1]; \
for (int index_ledge = (params)->ledge_range[0]; index_ledge < _ledge_index_end; \
index_ledge += 1) { \
const MEdge *elem_edge = &_medge[_ledge[index_ledge]]; \
(void)elem_edge; /* Quiet warning when unused. */ \
{
#define EXTRACT_LEDGE_FOREACH_MESH_END \
} \
} \
}
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Mesh Elements Extract: Loose Vertices
* \{ */
typedef struct ExtractLVertBMesh_Params {
const int *lvert;
int lvert_range[2];
} ExtractLVertBMesh_Params;
typedef void(ExtractLVertBMeshFn)(const MeshRenderData *mr,
BMVert *eve,
const int lvert_index,
void *data);
#define EXTRACT_LVERT_FOREACH_BM_BEGIN(elem_vert, index_lvert, params) \
CHECK_TYPE(params, const ExtractLVertBMesh_Params *); \
{ \
BLI_assert((mr->bm->elem_table_dirty & BM_FACE) == 0); \
BMVert **vtable = mr->bm->vtable; \
const int *lverts = (params)->lvert; \
const int _lvert_index_end = (params)->lvert_range[1]; \
for (int index_lvert = (params)->lvert_range[0]; index_lvert < _lvert_index_end; \
index_lvert += 1) { \
BMVert *elem_vert = vtable[lverts[index_lvert]]; \
(void)elem_vert; /* Quiet warning when unused. */ \
{
#define EXTRACT_LVERT_FOREACH_BM_END \
} \
} \
}
typedef struct ExtractLVertMesh_Params {
const int *lvert;
int lvert_range[2];
} ExtractLVertMesh_Params;
typedef void(ExtractLVertMeshFn)(const MeshRenderData *mr,
const MVert *mv,
const int lvert_index,
void *data);
#define EXTRACT_LVERT_FOREACH_MESH_BEGIN(elem, index_lvert, params, mr) \
CHECK_TYPE(params, const ExtractLVertMesh_Params *); \
{ \
const MVert *mvert = mr->mvert; \
const int *lverts = (params)->lvert; \
const int _lvert_index_end = (params)->lvert_range[1]; \
for (int index_lvert = (params)->lvert_range[0]; index_lvert < _lvert_index_end; \
index_lvert += 1) { \
const MVert *elem = &mvert[lverts[index_lvert]]; \
(void)elem; /* Quiet warning when unused. */ \
{
#define EXTRACT_LVERT_FOREACH_MESH_END \
} \
} \
}
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Mesh Elements Extract Struct
* \{ */
typedef void *(ExtractInitFn)(const MeshRenderData *mr,
struct MeshBatchCache *cache,
void *buffer);
typedef void(ExtractFinishFn)(const MeshRenderData *mr,
struct MeshBatchCache *cache,
void *buffer,
void *data);
typedef struct MeshExtract {
/** Executed on main thread and return user data for iteration functions. */
ExtractInitFn *init;
/** Executed on one (or more if use_threading) worker thread(s). */
ExtractTriBMeshFn *iter_looptri_bm;
ExtractTriMeshFn *iter_looptri_mesh;
ExtractPolyBMeshFn *iter_poly_bm;
ExtractPolyMeshFn *iter_poly_mesh;
ExtractLEdgeBMeshFn *iter_ledge_bm;
ExtractLEdgeMeshFn *iter_ledge_mesh;
ExtractLVertBMeshFn *iter_lvert_bm;
ExtractLVertMeshFn *iter_lvert_mesh;
/** Executed on one worker thread after all elements iterations. */
ExtractFinishFn *finish;
/** Used to request common data. */
const eMRDataType data_flag;
/** Used to know if the element callbacks are thread-safe and can be parallelized. */
const bool use_threading;
/**
* Offset in bytes of the buffer inside a MeshBufferCache instance. Points to a vertex or index
* buffer.
*/
const size_t mesh_buffer_offset;
} MeshExtract;
static void *mesh_extract_buffer_get(const MeshExtract *extractor, MeshBufferCache *mbc)
{
/* NOTE: POINTER_OFFSET on windows platforms casts internally to `void *`, but on GCC/CLANG to
* `MeshBufferCache *`. What shows a different usage versus intent. */
void **buffer_ptr = (void **)POINTER_OFFSET(mbc, extractor->mesh_buffer_offset);
void *buffer = *buffer_ptr;
BLI_assert(buffer);
return buffer;
}
typedef struct MeshExtractRunData {
const MeshExtract *extractor;
void *buffer;
@@ -900,4658 +126,8 @@ static void mesh_extract_run_data_array_filter_threading(
}
}
BLI_INLINE eMRIterType mesh_extract_iter_type(const MeshExtract *ext)
{
eMRIterType type = 0;
SET_FLAG_FROM_TEST(type, (ext->iter_looptri_bm || ext->iter_looptri_mesh), MR_ITER_LOOPTRI);
SET_FLAG_FROM_TEST(type, (ext->iter_poly_bm || ext->iter_poly_mesh), MR_ITER_POLY);
SET_FLAG_FROM_TEST(type, (ext->iter_ledge_bm || ext->iter_ledge_mesh), MR_ITER_LEDGE);
SET_FLAG_FROM_TEST(type, (ext->iter_lvert_bm || ext->iter_lvert_mesh), MR_ITER_LVERT);
return type;
}
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Triangles Indices
* \{ */
typedef struct MeshExtract_Tri_Data {
GPUIndexBufBuilder elb;
int *tri_mat_start;
int *tri_mat_end;
} MeshExtract_Tri_Data;
static void *extract_tris_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(ibo))
{
MeshExtract_Tri_Data *data = MEM_callocN(sizeof(*data), __func__);
size_t mat_tri_idx_size = sizeof(int) * mr->mat_len;
data->tri_mat_start = MEM_callocN(mat_tri_idx_size, __func__);
data->tri_mat_end = MEM_callocN(mat_tri_idx_size, __func__);
int *mat_tri_len = data->tri_mat_start;
/* Count how many triangle for each material. */
if (mr->extract_type == MR_EXTRACT_BMESH) {
BMIter iter;
BMFace *efa;
BM_ITER_MESH (efa, &iter, mr->bm, BM_FACES_OF_MESH) {
if (!BM_elem_flag_test(efa, BM_ELEM_HIDDEN)) {
int mat = min_ii(efa->mat_nr, mr->mat_len - 1);
mat_tri_len[mat] += efa->len - 2;
}
}
}
else {
const MPoly *mp = mr->mpoly;
for (int mp_index = 0; mp_index < mr->poly_len; mp_index++, mp++) {
if (!(mr->use_hide && (mp->flag & ME_HIDE))) {
int mat = min_ii(mp->mat_nr, mr->mat_len - 1);
mat_tri_len[mat] += mp->totloop - 2;
}
}
}
/* Accumulate triangle lengths per material to have correct offsets. */
int ofs = mat_tri_len[0];
mat_tri_len[0] = 0;
for (int i = 1; i < mr->mat_len; i++) {
int tmp = mat_tri_len[i];
mat_tri_len[i] = ofs;
ofs += tmp;
}
memcpy(data->tri_mat_end, mat_tri_len, mat_tri_idx_size);
int visible_tri_tot = ofs;
GPU_indexbuf_init(&data->elb, GPU_PRIM_TRIS, visible_tri_tot, mr->loop_len);
return data;
}
static void extract_tris_iter_looptri_bm(const MeshRenderData *mr,
BMLoop **elt,
const int UNUSED(elt_index),
void *_data)
{
MeshExtract_Tri_Data *data = _data;
const int mat_last = mr->mat_len - 1;
if (!BM_elem_flag_test(elt[0]->f, BM_ELEM_HIDDEN)) {
int *mat_tri_ofs = data->tri_mat_end;
const int mat = min_ii(elt[0]->f->mat_nr, mat_last);
GPU_indexbuf_set_tri_verts(&data->elb,
mat_tri_ofs[mat]++,
BM_elem_index_get(elt[0]),
BM_elem_index_get(elt[1]),
BM_elem_index_get(elt[2]));
}
}
static void extract_tris_iter_looptri_mesh(const MeshRenderData *mr,
const MLoopTri *mlt,
const int UNUSED(elt_index),
void *_data)
{
MeshExtract_Tri_Data *data = _data;
const int mat_last = mr->mat_len - 1;
const MPoly *mp = &mr->mpoly[mlt->poly];
if (!(mr->use_hide && (mp->flag & ME_HIDE))) {
int *mat_tri_ofs = data->tri_mat_end;
const int mat = min_ii(mp->mat_nr, mat_last);
GPU_indexbuf_set_tri_verts(
&data->elb, mat_tri_ofs[mat]++, mlt->tri[0], mlt->tri[1], mlt->tri[2]);
}
}
static void extract_tris_finish(const MeshRenderData *mr,
struct MeshBatchCache *cache,
void *buf,
void *_data)
{
GPUIndexBuf *ibo = buf;
MeshExtract_Tri_Data *data = _data;
GPU_indexbuf_build_in_place(&data->elb, ibo);
/* Create ibo sub-ranges. Always do this to avoid error when the standard surface batch
* is created before the surfaces-per-material. */
if (mr->use_final_mesh && cache->final.tris_per_mat) {
MeshBufferCache *mbc_final = &cache->final;
for (int i = 0; i < mr->mat_len; i++) {
/* These IBOs have not been queried yet but we create them just in case they are needed
* later since they are not tracked by mesh_buffer_cache_create_requested(). */
if (mbc_final->tris_per_mat[i] == NULL) {
mbc_final->tris_per_mat[i] = GPU_indexbuf_calloc();
}
/* Multiply by 3 because these are triangle indices. */
const int mat_start = data->tri_mat_start[i];
const int mat_end = data->tri_mat_end[i];
const int start = mat_start * 3;
const int len = (mat_end - mat_start) * 3;
GPU_indexbuf_create_subrange_in_place(mbc_final->tris_per_mat[i], ibo, start, len);
}
}
MEM_freeN(data->tri_mat_start);
MEM_freeN(data->tri_mat_end);
MEM_freeN(data);
}
static const MeshExtract extract_tris = {
.init = extract_tris_init,
.iter_looptri_bm = extract_tris_iter_looptri_bm,
.iter_looptri_mesh = extract_tris_iter_looptri_mesh,
.finish = extract_tris_finish,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, ibo.tris)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Edges Indices
* \{ */
static void *extract_lines_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(buf))
{
GPUIndexBufBuilder *elb = MEM_mallocN(sizeof(*elb), __func__);
/* Put loose edges at the end. */
GPU_indexbuf_init(
elb, GPU_PRIM_LINES, mr->edge_len + mr->edge_loose_len, mr->loop_len + mr->loop_loose_len);
return elb;
}
static void extract_lines_iter_poly_bm(const MeshRenderData *UNUSED(mr),
BMFace *f,
const int UNUSED(f_index),
void *elb)
{
BMLoop *l_iter, *l_first;
/* Use #BMLoop.prev to match mesh order (to avoid minor differences in data extraction). */
l_iter = l_first = BM_FACE_FIRST_LOOP(f)->prev;
do {
if (!BM_elem_flag_test(l_iter->e, BM_ELEM_HIDDEN)) {
GPU_indexbuf_set_line_verts(elb,
BM_elem_index_get(l_iter->e),
BM_elem_index_get(l_iter),
BM_elem_index_get(l_iter->next));
}
else {
GPU_indexbuf_set_line_restart(elb, BM_elem_index_get(l_iter->e));
}
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_lines_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int UNUSED(mp_index),
void *elb)
{
/* Using poly & loop iterator would complicate accessing the adjacent loop. */
const MLoop *mloop = mr->mloop;
const MEdge *medge = mr->medge;
if (mr->use_hide || (mr->extract_type == MR_EXTRACT_MAPPED) || (mr->e_origindex != NULL)) {
const int ml_index_last = mp->loopstart + (mp->totloop - 1);
int ml_index = ml_index_last, ml_index_next = mp->loopstart;
do {
const MLoop *ml = &mloop[ml_index];
const MEdge *med = &medge[ml->e];
if (!((mr->use_hide && (med->flag & ME_HIDE)) ||
((mr->extract_type == MR_EXTRACT_MAPPED) && (mr->e_origindex) &&
(mr->e_origindex[ml->e] == ORIGINDEX_NONE)))) {
GPU_indexbuf_set_line_verts(elb, ml->e, ml_index, ml_index_next);
}
else {
GPU_indexbuf_set_line_restart(elb, ml->e);
}
} while ((ml_index = ml_index_next++) != ml_index_last);
}
else {
const int ml_index_last = mp->loopstart + (mp->totloop - 1);
int ml_index = ml_index_last, ml_index_next = mp->loopstart;
do {
const MLoop *ml = &mloop[ml_index];
GPU_indexbuf_set_line_verts(elb, ml->e, ml_index, ml_index_next);
} while ((ml_index = ml_index_next++) != ml_index_last);
}
}
static void extract_lines_iter_ledge_bm(const MeshRenderData *mr,
BMEdge *eed,
const int ledge_index,
void *elb)
{
const int l_index_offset = mr->edge_len + ledge_index;
if (!BM_elem_flag_test(eed, BM_ELEM_HIDDEN)) {
const int l_index = mr->loop_len + ledge_index * 2;
GPU_indexbuf_set_line_verts(elb, l_index_offset, l_index, l_index + 1);
}
else {
GPU_indexbuf_set_line_restart(elb, l_index_offset);
}
/* Don't render the edge twice. */
GPU_indexbuf_set_line_restart(elb, BM_elem_index_get(eed));
}
static void extract_lines_iter_ledge_mesh(const MeshRenderData *mr,
const MEdge *med,
const uint ledge_index,
void *elb)
{
const int l_index_offset = mr->edge_len + ledge_index;
const int e_index = mr->ledges[ledge_index];
if (!((mr->use_hide && (med->flag & ME_HIDE)) ||
((mr->extract_type == MR_EXTRACT_MAPPED) && (mr->e_origindex) &&
(mr->e_origindex[e_index] == ORIGINDEX_NONE)))) {
const int l_index = mr->loop_len + ledge_index * 2;
GPU_indexbuf_set_line_verts(elb, l_index_offset, l_index, l_index + 1);
}
else {
GPU_indexbuf_set_line_restart(elb, l_index_offset);
}
/* Don't render the edge twice. */
GPU_indexbuf_set_line_restart(elb, e_index);
}
static void extract_lines_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *buf,
void *elb)
{
GPUIndexBuf *ibo = buf;
GPU_indexbuf_build_in_place(elb, ibo);
MEM_freeN(elb);
}
static const MeshExtract extract_lines = {
.init = extract_lines_init,
.iter_poly_bm = extract_lines_iter_poly_bm,
.iter_poly_mesh = extract_lines_iter_poly_mesh,
.iter_ledge_bm = extract_lines_iter_ledge_bm,
.iter_ledge_mesh = extract_lines_iter_ledge_mesh,
.finish = extract_lines_finish,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, ibo.lines)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Loose Edges Sub Buffer
* \{ */
static void extract_lines_loose_subbuffer(const MeshRenderData *mr, struct MeshBatchCache *cache)
{
BLI_assert(cache->final.ibo.lines);
/* Multiply by 2 because these are edges indices. */
const int start = mr->edge_len * 2;
const int len = mr->edge_loose_len * 2;
GPU_indexbuf_create_subrange_in_place(
cache->final.ibo.lines_loose, cache->final.ibo.lines, start, len);
cache->no_loose_wire = (len == 0);
}
static void extract_lines_with_lines_loose_finish(const MeshRenderData *mr,
struct MeshBatchCache *cache,
void *buf,
void *elb)
{
GPUIndexBuf *ibo = buf;
GPU_indexbuf_build_in_place(elb, ibo);
extract_lines_loose_subbuffer(mr, cache);
MEM_freeN(elb);
}
static const MeshExtract extract_lines_with_lines_loose = {
.init = extract_lines_init,
.iter_poly_bm = extract_lines_iter_poly_bm,
.iter_poly_mesh = extract_lines_iter_poly_mesh,
.iter_ledge_bm = extract_lines_iter_ledge_bm,
.iter_ledge_mesh = extract_lines_iter_ledge_mesh,
.finish = extract_lines_with_lines_loose_finish,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, ibo.lines)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Point Indices
* \{ */
static void *extract_points_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(buf))
{
GPUIndexBufBuilder *elb = MEM_mallocN(sizeof(*elb), __func__);
GPU_indexbuf_init(elb, GPU_PRIM_POINTS, mr->vert_len, mr->loop_len + mr->loop_loose_len);
return elb;
}
BLI_INLINE void vert_set_bm(GPUIndexBufBuilder *elb, BMVert *eve, int l_index)
{
const int v_index = BM_elem_index_get(eve);
if (!BM_elem_flag_test(eve, BM_ELEM_HIDDEN)) {
GPU_indexbuf_set_point_vert(elb, v_index, l_index);
}
else {
GPU_indexbuf_set_point_restart(elb, v_index);
}
}
BLI_INLINE void vert_set_mesh(GPUIndexBufBuilder *elb,
const MeshRenderData *mr,
const int v_index,
const int l_index)
{
const MVert *mv = &mr->mvert[v_index];
if (!((mr->use_hide && (mv->flag & ME_HIDE)) ||
((mr->extract_type == MR_EXTRACT_MAPPED) && (mr->v_origindex) &&
(mr->v_origindex[v_index] == ORIGINDEX_NONE)))) {
GPU_indexbuf_set_point_vert(elb, v_index, l_index);
}
else {
GPU_indexbuf_set_point_restart(elb, v_index);
}
}
static void extract_points_iter_poly_bm(const MeshRenderData *UNUSED(mr),
BMFace *f,
const int UNUSED(f_index),
void *elb)
{
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
vert_set_bm(elb, l_iter->v, l_index);
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_points_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int UNUSED(mp_index),
void *elb)
{
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
vert_set_mesh(elb, mr, ml->v, ml_index);
}
}
static void extract_points_iter_ledge_bm(const MeshRenderData *mr,
BMEdge *eed,
const int ledge_index,
void *elb)
{
vert_set_bm(elb, eed->v1, mr->loop_len + (ledge_index * 2));
vert_set_bm(elb, eed->v2, mr->loop_len + (ledge_index * 2) + 1);
}
static void extract_points_iter_ledge_mesh(const MeshRenderData *mr,
const MEdge *med,
const uint ledge_index,
void *elb)
{
vert_set_mesh(elb, mr, med->v1, mr->loop_len + (ledge_index * 2));
vert_set_mesh(elb, mr, med->v2, mr->loop_len + (ledge_index * 2) + 1);
}
static void extract_points_iter_lvert_bm(const MeshRenderData *mr,
BMVert *eve,
const int lvert_index,
void *elb)
{
const int offset = mr->loop_len + (mr->edge_loose_len * 2);
vert_set_bm(elb, eve, offset + lvert_index);
}
static void extract_points_iter_lvert_mesh(const MeshRenderData *mr,
const MVert *UNUSED(mv),
const int lvert_index,
void *elb)
{
const int offset = mr->loop_len + (mr->edge_loose_len * 2);
vert_set_mesh(elb, mr, mr->lverts[lvert_index], offset + lvert_index);
}
static void extract_points_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *buf,
void *elb)
{
GPUIndexBuf *ibo = buf;
GPU_indexbuf_build_in_place(elb, ibo);
MEM_freeN(elb);
}
static const MeshExtract extract_points = {
.init = extract_points_init,
.iter_poly_bm = extract_points_iter_poly_bm,
.iter_poly_mesh = extract_points_iter_poly_mesh,
.iter_ledge_bm = extract_points_iter_ledge_bm,
.iter_ledge_mesh = extract_points_iter_ledge_mesh,
.iter_lvert_bm = extract_points_iter_lvert_bm,
.iter_lvert_mesh = extract_points_iter_lvert_mesh,
.finish = extract_points_finish,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, ibo.points)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Facedots Indices
* \{ */
static void *extract_fdots_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(buf))
{
GPUIndexBufBuilder *elb = MEM_mallocN(sizeof(*elb), __func__);
GPU_indexbuf_init(elb, GPU_PRIM_POINTS, mr->poly_len, mr->poly_len);
return elb;
}
static void extract_fdots_iter_poly_bm(const MeshRenderData *UNUSED(mr),
BMFace *f,
const int f_index,
void *elb)
{
if (!BM_elem_flag_test(f, BM_ELEM_HIDDEN)) {
GPU_indexbuf_set_point_vert(elb, f_index, f_index);
}
else {
GPU_indexbuf_set_point_restart(elb, f_index);
}
}
static void extract_fdots_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int mp_index,
void *elb)
{
if (mr->use_subsurf_fdots) {
/* Check #ME_VERT_FACEDOT. */
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
const MVert *mv = &mr->mvert[ml->v];
if ((mv->flag & ME_VERT_FACEDOT) && !(mr->use_hide && (mp->flag & ME_HIDE))) {
GPU_indexbuf_set_point_vert(elb, mp_index, mp_index);
return;
}
}
GPU_indexbuf_set_point_restart(elb, mp_index);
}
else {
if (!(mr->use_hide && (mp->flag & ME_HIDE))) {
GPU_indexbuf_set_point_vert(elb, mp_index, mp_index);
}
else {
GPU_indexbuf_set_point_restart(elb, mp_index);
}
}
}
static void extract_fdots_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *buf,
void *elb)
{
GPUIndexBuf *ibo = buf;
GPU_indexbuf_build_in_place(elb, ibo);
MEM_freeN(elb);
}
static const MeshExtract extract_fdots = {
.init = extract_fdots_init,
.iter_poly_bm = extract_fdots_iter_poly_bm,
.iter_poly_mesh = extract_fdots_iter_poly_mesh,
.finish = extract_fdots_finish,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, ibo.fdots)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Paint Mask Line Indices
* \{ */
typedef struct MeshExtract_LinePaintMask_Data {
GPUIndexBufBuilder elb;
/** One bit per edge set if face is selected. */
BLI_bitmap select_map[0];
} MeshExtract_LinePaintMask_Data;
static void *extract_lines_paint_mask_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(ibo))
{
size_t bitmap_size = BLI_BITMAP_SIZE(mr->edge_len);
MeshExtract_LinePaintMask_Data *data = MEM_callocN(sizeof(*data) + bitmap_size, __func__);
GPU_indexbuf_init(&data->elb, GPU_PRIM_LINES, mr->edge_len, mr->loop_len);
return data;
}
static void extract_lines_paint_mask_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int UNUSED(mp_index),
void *_data)
{
MeshExtract_LinePaintMask_Data *data = _data;
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
const int e_index = ml->e;
const MEdge *me = &mr->medge[e_index];
if (!((mr->use_hide && (me->flag & ME_HIDE)) ||
((mr->extract_type == MR_EXTRACT_MAPPED) && (mr->e_origindex) &&
(mr->e_origindex[e_index] == ORIGINDEX_NONE)))) {
const int ml_index_last = mp->totloop + mp->loopstart - 1;
const int ml_index_other = (ml_index == ml_index_last) ? mp->loopstart : (ml_index + 1);
if (mp->flag & ME_FACE_SEL) {
if (BLI_BITMAP_TEST_AND_SET_ATOMIC(data->select_map, e_index)) {
/* Hide edge as it has more than 2 selected loop. */
GPU_indexbuf_set_line_restart(&data->elb, e_index);
}
else {
/* First selected loop. Set edge visible, overwriting any unselected loop. */
GPU_indexbuf_set_line_verts(&data->elb, e_index, ml_index, ml_index_other);
}
}
else {
/* Set these unselected loop only if this edge has no other selected loop. */
if (!BLI_BITMAP_TEST(data->select_map, e_index)) {
GPU_indexbuf_set_line_verts(&data->elb, e_index, ml_index, ml_index_other);
}
}
}
else {
GPU_indexbuf_set_line_restart(&data->elb, e_index);
}
}
}
static void extract_lines_paint_mask_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *buf,
void *_data)
{
GPUIndexBuf *ibo = buf;
MeshExtract_LinePaintMask_Data *data = _data;
GPU_indexbuf_build_in_place(&data->elb, ibo);
MEM_freeN(data);
}
static const MeshExtract extract_lines_paint_mask = {
.init = extract_lines_paint_mask_init,
.iter_poly_mesh = extract_lines_paint_mask_iter_poly_mesh,
.finish = extract_lines_paint_mask_finish,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, ibo.lines_paint_mask)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Line Adjacency Indices
* \{ */
#define NO_EDGE INT_MAX
typedef struct MeshExtract_LineAdjacency_Data {
GPUIndexBufBuilder elb;
EdgeHash *eh;
bool is_manifold;
/* Array to convert vert index to any loop index of this vert. */
uint vert_to_loop[0];
} MeshExtract_LineAdjacency_Data;
static void *extract_lines_adjacency_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(buf))
{
/* Similar to poly_to_tri_count().
* There is always (loop + triangle - 1) edges inside a polygon.
* Accumulate for all polys and you get : */
uint tess_edge_len = mr->loop_len + mr->tri_len - mr->poly_len;
size_t vert_to_loop_size = sizeof(uint) * mr->vert_len;
MeshExtract_LineAdjacency_Data *data = MEM_callocN(sizeof(*data) + vert_to_loop_size, __func__);
GPU_indexbuf_init(&data->elb, GPU_PRIM_LINES_ADJ, tess_edge_len, mr->loop_len);
data->eh = BLI_edgehash_new_ex(__func__, tess_edge_len);
data->is_manifold = true;
return data;
}
BLI_INLINE void lines_adjacency_triangle(
uint v1, uint v2, uint v3, uint l1, uint l2, uint l3, MeshExtract_LineAdjacency_Data *data)
{
GPUIndexBufBuilder *elb = &data->elb;
/* Iterate around the triangle's edges. */
for (int e = 0; e < 3; e++) {
SHIFT3(uint, v3, v2, v1);
SHIFT3(uint, l3, l2, l1);
bool inv_indices = (v2 > v3);
void **pval;
bool value_is_init = BLI_edgehash_ensure_p(data->eh, v2, v3, &pval);
int v_data = POINTER_AS_INT(*pval);
if (!value_is_init || v_data == NO_EDGE) {
/* Save the winding order inside the sign bit. Because the
* Edge-hash sort the keys and we need to compare winding later. */
int value = (int)l1 + 1; /* 0 cannot be signed so add one. */
*pval = POINTER_FROM_INT((inv_indices) ? -value : value);
/* Store loop indices for remaining non-manifold edges. */
data->vert_to_loop[v2] = l2;
data->vert_to_loop[v3] = l3;
}
else {
/* HACK Tag as not used. Prevent overhead of BLI_edgehash_remove. */
*pval = POINTER_FROM_INT(NO_EDGE);
bool inv_opposite = (v_data < 0);
uint l_opposite = (uint)abs(v_data) - 1;
/* TODO Make this part thread-safe. */
if (inv_opposite == inv_indices) {
/* Don't share edge if triangles have non matching winding. */
GPU_indexbuf_add_line_adj_verts(elb, l1, l2, l3, l1);
GPU_indexbuf_add_line_adj_verts(elb, l_opposite, l2, l3, l_opposite);
data->is_manifold = false;
}
else {
GPU_indexbuf_add_line_adj_verts(elb, l1, l2, l3, l_opposite);
}
}
}
}
static void extract_lines_adjacency_iter_looptri_bm(const MeshRenderData *UNUSED(mr),
BMLoop **elt,
const int UNUSED(elt_index),
void *data)
{
if (!BM_elem_flag_test(elt[0]->f, BM_ELEM_HIDDEN)) {
lines_adjacency_triangle(BM_elem_index_get(elt[0]->v),
BM_elem_index_get(elt[1]->v),
BM_elem_index_get(elt[2]->v),
BM_elem_index_get(elt[0]),
BM_elem_index_get(elt[1]),
BM_elem_index_get(elt[2]),
data);
}
}
static void extract_lines_adjacency_iter_looptri_mesh(const MeshRenderData *mr,
const MLoopTri *mlt,
const int UNUSED(elt_index),
void *data)
{
const MPoly *mp = &mr->mpoly[mlt->poly];
if (!(mr->use_hide && (mp->flag & ME_HIDE))) {
lines_adjacency_triangle(mr->mloop[mlt->tri[0]].v,
mr->mloop[mlt->tri[1]].v,
mr->mloop[mlt->tri[2]].v,
mlt->tri[0],
mlt->tri[1],
mlt->tri[2],
data);
}
}
static void extract_lines_adjacency_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *cache,
void *buf,
void *_data)
{
GPUIndexBuf *ibo = buf;
MeshExtract_LineAdjacency_Data *data = _data;
/* Create edges for remaining non manifold edges. */
EdgeHashIterator *ehi = BLI_edgehashIterator_new(data->eh);
for (; !BLI_edgehashIterator_isDone(ehi); BLI_edgehashIterator_step(ehi)) {
uint v2, v3, l1, l2, l3;
int v_data = POINTER_AS_INT(BLI_edgehashIterator_getValue(ehi));
if (v_data != NO_EDGE) {
BLI_edgehashIterator_getKey(ehi, &v2, &v3);
l1 = (uint)abs(v_data) - 1;
if (v_data < 0) { /* inv_opposite */
SWAP(uint, v2, v3);
}
l2 = data->vert_to_loop[v2];
l3 = data->vert_to_loop[v3];
GPU_indexbuf_add_line_adj_verts(&data->elb, l1, l2, l3, l1);
data->is_manifold = false;
}
}
BLI_edgehashIterator_free(ehi);
BLI_edgehash_free(data->eh, NULL);
cache->is_manifold = data->is_manifold;
GPU_indexbuf_build_in_place(&data->elb, ibo);
MEM_freeN(data);
}
#undef NO_EDGE
static const MeshExtract extract_lines_adjacency = {
.init = extract_lines_adjacency_init,
.iter_looptri_bm = extract_lines_adjacency_iter_looptri_bm,
.iter_looptri_mesh = extract_lines_adjacency_iter_looptri_mesh,
.finish = extract_lines_adjacency_finish,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, ibo.lines_adjacency)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Edit UV Triangles Indices
* \{ */
typedef struct MeshExtract_EditUvElem_Data {
GPUIndexBufBuilder elb;
bool sync_selection;
} MeshExtract_EditUvElem_Data;
static void *extract_edituv_tris_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(ibo))
{
MeshExtract_EditUvElem_Data *data = MEM_callocN(sizeof(*data), __func__);
GPU_indexbuf_init(&data->elb, GPU_PRIM_TRIS, mr->tri_len, mr->loop_len);
data->sync_selection = (mr->toolsettings->uv_flag & UV_SYNC_SELECTION) != 0;
return data;
}
BLI_INLINE void edituv_tri_add(
MeshExtract_EditUvElem_Data *data, bool hidden, bool selected, int v1, int v2, int v3)
{
if (!hidden && (data->sync_selection || selected)) {
GPU_indexbuf_add_tri_verts(&data->elb, v1, v2, v3);
}
}
static void extract_edituv_tris_iter_looptri_bm(const MeshRenderData *UNUSED(mr),
BMLoop **elt,
const int UNUSED(elt_index),
void *data)
{
edituv_tri_add(data,
BM_elem_flag_test(elt[0]->f, BM_ELEM_HIDDEN),
BM_elem_flag_test(elt[0]->f, BM_ELEM_SELECT),
BM_elem_index_get(elt[0]),
BM_elem_index_get(elt[1]),
BM_elem_index_get(elt[2]));
}
static void extract_edituv_tris_iter_looptri_mesh(const MeshRenderData *mr,
const MLoopTri *mlt,
const int UNUSED(elt_index),
void *data)
{
const MPoly *mp = &mr->mpoly[mlt->poly];
edituv_tri_add(data,
(mp->flag & ME_HIDE) != 0,
(mp->flag & ME_FACE_SEL) != 0,
mlt->tri[0],
mlt->tri[1],
mlt->tri[2]);
}
static void extract_edituv_tris_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *buf,
void *data)
{
GPUIndexBuf *ibo = buf;
MeshExtract_EditUvElem_Data *extract_data = data;
GPU_indexbuf_build_in_place(&extract_data->elb, ibo);
MEM_freeN(extract_data);
}
static const MeshExtract extract_edituv_tris = {
.init = extract_edituv_tris_init,
.iter_looptri_bm = extract_edituv_tris_iter_looptri_bm,
.iter_looptri_mesh = extract_edituv_tris_iter_looptri_mesh,
.finish = extract_edituv_tris_finish,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, ibo.edituv_tris)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Edit UV Line Indices around faces
* \{ */
static void *extract_edituv_lines_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(ibo))
{
MeshExtract_EditUvElem_Data *data = MEM_callocN(sizeof(*data), __func__);
GPU_indexbuf_init(&data->elb, GPU_PRIM_LINES, mr->loop_len, mr->loop_len);
data->sync_selection = (mr->toolsettings->uv_flag & UV_SYNC_SELECTION) != 0;
return data;
}
BLI_INLINE void edituv_edge_add(
MeshExtract_EditUvElem_Data *data, bool hidden, bool selected, int v1, int v2)
{
if (!hidden && (data->sync_selection || selected)) {
GPU_indexbuf_add_line_verts(&data->elb, v1, v2);
}
}
static void extract_edituv_lines_iter_poly_bm(const MeshRenderData *UNUSED(mr),
BMFace *f,
const int UNUSED(f_index),
void *data)
{
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
edituv_edge_add(data,
BM_elem_flag_test_bool(f, BM_ELEM_HIDDEN),
BM_elem_flag_test_bool(f, BM_ELEM_SELECT),
l_index,
BM_elem_index_get(l_iter->next));
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_edituv_lines_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int UNUSED(mp_index),
void *data)
{
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
const int ml_index_last = mp->totloop + mp->loopstart - 1;
const int ml_index_next = (ml_index == ml_index_last) ? mp->loopstart : (ml_index + 1);
const bool real_edge = (mr->e_origindex == NULL || mr->e_origindex[ml->e] != ORIGINDEX_NONE);
edituv_edge_add(data,
(mp->flag & ME_HIDE) != 0 || !real_edge,
(mp->flag & ME_FACE_SEL) != 0,
ml_index,
ml_index_next);
}
}
static void extract_edituv_lines_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *buf,
void *data)
{
GPUIndexBuf *ibo = buf;
MeshExtract_EditUvElem_Data *extract_data = data;
GPU_indexbuf_build_in_place(&extract_data->elb, ibo);
MEM_freeN(extract_data);
}
static const MeshExtract extract_edituv_lines = {
.init = extract_edituv_lines_init,
.iter_poly_bm = extract_edituv_lines_iter_poly_bm,
.iter_poly_mesh = extract_edituv_lines_iter_poly_mesh,
.finish = extract_edituv_lines_finish,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, ibo.edituv_lines)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Edit UV Points Indices
* \{ */
static void *extract_edituv_points_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(ibo))
{
MeshExtract_EditUvElem_Data *data = MEM_callocN(sizeof(*data), __func__);
GPU_indexbuf_init(&data->elb, GPU_PRIM_POINTS, mr->loop_len, mr->loop_len);
data->sync_selection = (mr->toolsettings->uv_flag & UV_SYNC_SELECTION) != 0;
return data;
}
BLI_INLINE void edituv_point_add(MeshExtract_EditUvElem_Data *data,
bool hidden,
bool selected,
int v1)
{
if (!hidden && (data->sync_selection || selected)) {
GPU_indexbuf_add_point_vert(&data->elb, v1);
}
}
static void extract_edituv_points_iter_poly_bm(const MeshRenderData *UNUSED(mr),
BMFace *f,
const int UNUSED(f_index),
void *data)
{
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
edituv_point_add(
data, BM_elem_flag_test(f, BM_ELEM_HIDDEN), BM_elem_flag_test(f, BM_ELEM_SELECT), l_index);
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_edituv_points_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int UNUSED(mp_index),
void *data)
{
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
const bool real_vert = (mr->extract_type == MR_EXTRACT_MAPPED && (mr->v_origindex) &&
mr->v_origindex[ml->v] != ORIGINDEX_NONE);
edituv_point_add(
data, ((mp->flag & ME_HIDE) != 0) || !real_vert, (mp->flag & ME_FACE_SEL) != 0, ml_index);
}
}
static void extract_edituv_points_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *buf,
void *data)
{
GPUIndexBuf *ibo = buf;
MeshExtract_EditUvElem_Data *extract_data = data;
GPU_indexbuf_build_in_place(&extract_data->elb, ibo);
MEM_freeN(extract_data);
}
static const MeshExtract extract_edituv_points = {
.init = extract_edituv_points_init,
.iter_poly_bm = extract_edituv_points_iter_poly_bm,
.iter_poly_mesh = extract_edituv_points_iter_poly_mesh,
.finish = extract_edituv_points_finish,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, ibo.edituv_points)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Edit UV Facedots Indices
* \{ */
static void *extract_edituv_fdots_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(ibo))
{
MeshExtract_EditUvElem_Data *data = MEM_callocN(sizeof(*data), __func__);
GPU_indexbuf_init(&data->elb, GPU_PRIM_POINTS, mr->poly_len, mr->poly_len);
data->sync_selection = (mr->toolsettings->uv_flag & UV_SYNC_SELECTION) != 0;
return data;
}
BLI_INLINE void edituv_facedot_add(MeshExtract_EditUvElem_Data *data,
bool hidden,
bool selected,
int face_index)
{
if (!hidden && (data->sync_selection || selected)) {
GPU_indexbuf_set_point_vert(&data->elb, face_index, face_index);
}
else {
GPU_indexbuf_set_point_restart(&data->elb, face_index);
}
}
static void extract_edituv_fdots_iter_poly_bm(const MeshRenderData *UNUSED(mr),
BMFace *f,
const int f_index,
void *data)
{
edituv_facedot_add(data,
BM_elem_flag_test_bool(f, BM_ELEM_HIDDEN),
BM_elem_flag_test_bool(f, BM_ELEM_SELECT),
f_index);
}
static void extract_edituv_fdots_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int mp_index,
void *data)
{
if (mr->use_subsurf_fdots) {
/* Check #ME_VERT_FACEDOT. */
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
const bool real_fdot = (mr->extract_type == MR_EXTRACT_MAPPED && mr->p_origindex &&
mr->p_origindex[mp_index] != ORIGINDEX_NONE);
const bool subd_fdot = (!mr->use_subsurf_fdots ||
(mr->mvert[ml->v].flag & ME_VERT_FACEDOT) != 0);
edituv_facedot_add(data,
((mp->flag & ME_HIDE) != 0) || !real_fdot || !subd_fdot,
(mp->flag & ME_FACE_SEL) != 0,
mp_index);
}
}
else {
const bool real_fdot = (mr->extract_type == MR_EXTRACT_MAPPED && mr->p_origindex &&
mr->p_origindex[mp_index] != ORIGINDEX_NONE);
edituv_facedot_add(
data, ((mp->flag & ME_HIDE) != 0) || !real_fdot, (mp->flag & ME_FACE_SEL) != 0, mp_index);
}
}
static void extract_edituv_fdots_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *buf,
void *_data)
{
GPUIndexBuf *ibo = buf;
MeshExtract_EditUvElem_Data *data = _data;
GPU_indexbuf_build_in_place(&data->elb, ibo);
MEM_freeN(data);
}
static const MeshExtract extract_edituv_fdots = {
.init = extract_edituv_fdots_init,
.iter_poly_bm = extract_edituv_fdots_iter_poly_bm,
.iter_poly_mesh = extract_edituv_fdots_iter_poly_mesh,
.finish = extract_edituv_fdots_finish,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, ibo.edituv_fdots)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Position and Vertex Normal
* \{ */
typedef struct PosNorLoop {
float pos[3];
GPUPackedNormal nor;
} PosNorLoop;
typedef struct MeshExtract_PosNor_Data {
PosNorLoop *vbo_data;
GPUNormal normals[];
} MeshExtract_PosNor_Data;
static void *extract_pos_nor_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
/* WARNING Adjust #PosNorLoop struct accordingly. */
GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
GPU_vertformat_attr_add(&format, "nor", GPU_COMP_I10, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);
GPU_vertformat_alias_add(&format, "vnor");
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len + mr->loop_loose_len);
/* Pack normals per vert, reduce amount of computation. */
size_t packed_nor_len = sizeof(GPUNormal) * mr->vert_len;
MeshExtract_PosNor_Data *data = MEM_mallocN(sizeof(*data) + packed_nor_len, __func__);
data->vbo_data = (PosNorLoop *)GPU_vertbuf_get_data(vbo);
/* Quicker than doing it for each loop. */
if (mr->extract_type == MR_EXTRACT_BMESH) {
BMIter iter;
BMVert *eve;
int v;
BM_ITER_MESH_INDEX (eve, &iter, mr->bm, BM_VERTS_OF_MESH, v) {
data->normals[v].low = GPU_normal_convert_i10_v3(bm_vert_no_get(mr, eve));
}
}
else {
const MVert *mv = mr->mvert;
for (int v = 0; v < mr->vert_len; v++, mv++) {
data->normals[v].low = GPU_normal_convert_i10_s3(mv->no);
}
}
return data;
}
static void extract_pos_nor_iter_poly_bm(const MeshRenderData *mr,
BMFace *f,
const int UNUSED(f_index),
void *_data)
{
MeshExtract_PosNor_Data *data = _data;
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
PosNorLoop *vert = &data->vbo_data[l_index];
copy_v3_v3(vert->pos, bm_vert_co_get(mr, l_iter->v));
vert->nor = data->normals[BM_elem_index_get(l_iter->v)].low;
vert->nor.w = BM_elem_flag_test(f, BM_ELEM_HIDDEN) ? -1 : 0;
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_pos_nor_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int UNUSED(mp_index),
void *_data)
{
MeshExtract_PosNor_Data *data = _data;
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
PosNorLoop *vert = &data->vbo_data[ml_index];
const MVert *mv = &mr->mvert[ml->v];
copy_v3_v3(vert->pos, mv->co);
vert->nor = data->normals[ml->v].low;
/* Flag for paint mode overlay. */
if (mp->flag & ME_HIDE || mv->flag & ME_HIDE ||
((mr->extract_type == MR_EXTRACT_MAPPED) && (mr->v_origindex) &&
(mr->v_origindex[ml->v] == ORIGINDEX_NONE))) {
vert->nor.w = -1;
}
else if (mv->flag & SELECT) {
vert->nor.w = 1;
}
else {
vert->nor.w = 0;
}
}
}
static void extract_pos_nor_iter_ledge_bm(const MeshRenderData *mr,
BMEdge *eed,
const int ledge_index,
void *_data)
{
MeshExtract_PosNor_Data *data = _data;
int l_index = mr->loop_len + ledge_index * 2;
PosNorLoop *vert = &data->vbo_data[l_index];
copy_v3_v3(vert[0].pos, bm_vert_co_get(mr, eed->v1));
copy_v3_v3(vert[1].pos, bm_vert_co_get(mr, eed->v2));
vert[0].nor = data->normals[BM_elem_index_get(eed->v1)].low;
vert[1].nor = data->normals[BM_elem_index_get(eed->v2)].low;
}
static void extract_pos_nor_iter_ledge_mesh(const MeshRenderData *mr,
const MEdge *med,
const uint ledge_index,
void *_data)
{
MeshExtract_PosNor_Data *data = _data;
const int ml_index = mr->loop_len + ledge_index * 2;
PosNorLoop *vert = &data->vbo_data[ml_index];
copy_v3_v3(vert[0].pos, mr->mvert[med->v1].co);
copy_v3_v3(vert[1].pos, mr->mvert[med->v2].co);
vert[0].nor = data->normals[med->v1].low;
vert[1].nor = data->normals[med->v2].low;
}
static void extract_pos_nor_iter_lvert_bm(const MeshRenderData *mr,
BMVert *eve,
const int lvert_index,
void *_data)
{
MeshExtract_PosNor_Data *data = _data;
const int offset = mr->loop_len + (mr->edge_loose_len * 2);
const int l_index = offset + lvert_index;
PosNorLoop *vert = &data->vbo_data[l_index];
copy_v3_v3(vert->pos, bm_vert_co_get(mr, eve));
vert->nor = data->normals[BM_elem_index_get(eve)].low;
}
static void extract_pos_nor_iter_lvert_mesh(const MeshRenderData *mr,
const MVert *mv,
const int lvert_index,
void *_data)
{
MeshExtract_PosNor_Data *data = _data;
const int offset = mr->loop_len + (mr->edge_loose_len * 2);
const int ml_index = offset + lvert_index;
const int v_index = mr->lverts[lvert_index];
PosNorLoop *vert = &data->vbo_data[ml_index];
copy_v3_v3(vert->pos, mv->co);
vert->nor = data->normals[v_index].low;
}
static void extract_pos_nor_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(buf),
void *data)
{
MEM_freeN(data);
}
static const MeshExtract extract_pos_nor = {
.init = extract_pos_nor_init,
.iter_poly_bm = extract_pos_nor_iter_poly_bm,
.iter_poly_mesh = extract_pos_nor_iter_poly_mesh,
.iter_ledge_bm = extract_pos_nor_iter_ledge_bm,
.iter_ledge_mesh = extract_pos_nor_iter_ledge_mesh,
.iter_lvert_bm = extract_pos_nor_iter_lvert_bm,
.iter_lvert_mesh = extract_pos_nor_iter_lvert_mesh,
.finish = extract_pos_nor_finish,
.data_flag = 0,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.pos_nor)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Position and High Quality Vertex Normal
* \{ */
typedef struct PosNorHQLoop {
float pos[3];
short nor[4];
} PosNorHQLoop;
typedef struct MeshExtract_PosNorHQ_Data {
PosNorHQLoop *vbo_data;
GPUNormal normals[];
} MeshExtract_PosNorHQ_Data;
static void *extract_pos_nor_hq_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
/* WARNING Adjust #PosNorHQLoop struct accordingly. */
GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
GPU_vertformat_attr_add(&format, "nor", GPU_COMP_I16, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);
GPU_vertformat_alias_add(&format, "vnor");
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len + mr->loop_loose_len);
/* Pack normals per vert, reduce amount of computation. */
size_t packed_nor_len = sizeof(GPUNormal) * mr->vert_len;
MeshExtract_PosNorHQ_Data *data = MEM_mallocN(sizeof(*data) + packed_nor_len, __func__);
data->vbo_data = (PosNorHQLoop *)GPU_vertbuf_get_data(vbo);
/* Quicker than doing it for each loop. */
if (mr->extract_type == MR_EXTRACT_BMESH) {
BMIter iter;
BMVert *eve;
int v;
BM_ITER_MESH_INDEX (eve, &iter, mr->bm, BM_VERTS_OF_MESH, v) {
normal_float_to_short_v3(data->normals[v].high, bm_vert_no_get(mr, eve));
}
}
else {
const MVert *mv = mr->mvert;
for (int v = 0; v < mr->vert_len; v++, mv++) {
copy_v3_v3_short(data->normals[v].high, mv->no);
}
}
return data;
}
static void extract_pos_nor_hq_iter_poly_bm(const MeshRenderData *mr,
BMFace *f,
const int UNUSED(f_index),
void *_data)
{
MeshExtract_PosNorHQ_Data *data = _data;
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
PosNorHQLoop *vert = &data->vbo_data[l_index];
copy_v3_v3(vert->pos, bm_vert_co_get(mr, l_iter->v));
copy_v3_v3_short(vert->nor, data->normals[BM_elem_index_get(l_iter->v)].high);
BMFace *efa = l_iter->f;
vert->nor[3] = BM_elem_flag_test(efa, BM_ELEM_HIDDEN) ? -1 : 0;
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_pos_nor_hq_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int UNUSED(mp_index),
void *_data)
{
MeshExtract_PosNorHQ_Data *data = _data;
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
PosNorHQLoop *vert = &data->vbo_data[ml_index];
const MVert *mv = &mr->mvert[ml->v];
copy_v3_v3(vert->pos, mv->co);
copy_v3_v3_short(vert->nor, data->normals[ml->v].high);
/* Flag for paint mode overlay. */
if (mp->flag & ME_HIDE || mv->flag & ME_HIDE ||
((mr->extract_type == MR_EXTRACT_MAPPED) && (mr->v_origindex) &&
(mr->v_origindex[ml->v] == ORIGINDEX_NONE))) {
vert->nor[3] = -1;
}
else if (mv->flag & SELECT) {
vert->nor[3] = 1;
}
else {
vert->nor[3] = 0;
}
}
}
static void extract_pos_nor_hq_iter_ledge_bm(const MeshRenderData *mr,
BMEdge *eed,
const int ledge_index,
void *_data)
{
MeshExtract_PosNorHQ_Data *data = _data;
int l_index = mr->loop_len + ledge_index * 2;
PosNorHQLoop *vert = &data->vbo_data[l_index];
copy_v3_v3(vert[0].pos, bm_vert_co_get(mr, eed->v1));
copy_v3_v3(vert[1].pos, bm_vert_co_get(mr, eed->v2));
copy_v3_v3_short(vert[0].nor, data->normals[BM_elem_index_get(eed->v1)].high);
vert[0].nor[3] = 0;
copy_v3_v3_short(vert[1].nor, data->normals[BM_elem_index_get(eed->v2)].high);
vert[1].nor[3] = 0;
}
static void extract_pos_nor_hq_iter_ledge_mesh(const MeshRenderData *mr,
const MEdge *med,
const uint ledge_index,
void *_data)
{
MeshExtract_PosNorHQ_Data *data = _data;
const int ml_index = mr->loop_len + ledge_index * 2;
PosNorHQLoop *vert = &data->vbo_data[ml_index];
copy_v3_v3(vert[0].pos, mr->mvert[med->v1].co);
copy_v3_v3(vert[1].pos, mr->mvert[med->v2].co);
copy_v3_v3_short(vert[0].nor, data->normals[med->v1].high);
vert[0].nor[3] = 0;
copy_v3_v3_short(vert[1].nor, data->normals[med->v2].high);
vert[1].nor[3] = 0;
}
static void extract_pos_nor_hq_iter_lvert_bm(const MeshRenderData *mr,
BMVert *eve,
const int lvert_index,
void *_data)
{
MeshExtract_PosNorHQ_Data *data = _data;
const int offset = mr->loop_len + (mr->edge_loose_len * 2);
const int l_index = offset + lvert_index;
PosNorHQLoop *vert = &data->vbo_data[l_index];
copy_v3_v3(vert->pos, bm_vert_co_get(mr, eve));
copy_v3_v3_short(vert->nor, data->normals[BM_elem_index_get(eve)].high);
vert->nor[3] = 0;
}
static void extract_pos_nor_hq_iter_lvert_mesh(const MeshRenderData *mr,
const MVert *mv,
const int lvert_index,
void *_data)
{
MeshExtract_PosNorHQ_Data *data = _data;
const int offset = mr->loop_len + (mr->edge_loose_len * 2);
const int ml_index = offset + lvert_index;
const int v_index = mr->lverts[lvert_index];
PosNorHQLoop *vert = &data->vbo_data[ml_index];
copy_v3_v3(vert->pos, mv->co);
copy_v3_v3_short(vert->nor, data->normals[v_index].high);
vert->nor[3] = 0;
}
static void extract_pos_nor_hq_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(buf),
void *data)
{
MEM_freeN(data);
}
static const MeshExtract extract_pos_nor_hq = {
.init = extract_pos_nor_hq_init,
.iter_poly_bm = extract_pos_nor_hq_iter_poly_bm,
.iter_poly_mesh = extract_pos_nor_hq_iter_poly_mesh,
.iter_ledge_bm = extract_pos_nor_hq_iter_ledge_bm,
.iter_ledge_mesh = extract_pos_nor_hq_iter_ledge_mesh,
.iter_lvert_bm = extract_pos_nor_hq_iter_lvert_bm,
.iter_lvert_mesh = extract_pos_nor_hq_iter_lvert_mesh,
.finish = extract_pos_nor_hq_finish,
.data_flag = 0,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.pos_nor)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract HQ Loop Normal
* \{ */
typedef struct gpuHQNor {
short x, y, z, w;
} gpuHQNor;
static void *extract_lnor_hq_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "nor", GPU_COMP_I16, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);
GPU_vertformat_alias_add(&format, "lnor");
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len);
return GPU_vertbuf_get_data(vbo);
}
static void extract_lnor_hq_iter_poly_bm(const MeshRenderData *mr,
BMFace *f,
const int UNUSED(f_index),
void *data)
{
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
if (mr->loop_normals) {
normal_float_to_short_v3(&((gpuHQNor *)data)[l_index].x, mr->loop_normals[l_index]);
}
else {
if (BM_elem_flag_test(f, BM_ELEM_SMOOTH)) {
normal_float_to_short_v3(&((gpuHQNor *)data)[l_index].x, bm_vert_no_get(mr, l_iter->v));
}
else {
normal_float_to_short_v3(&((gpuHQNor *)data)[l_index].x, bm_face_no_get(mr, f));
}
}
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_lnor_hq_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int mp_index,
void *data)
{
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
gpuHQNor *lnor_data = &((gpuHQNor *)data)[ml_index];
if (mr->loop_normals) {
normal_float_to_short_v3(&lnor_data->x, mr->loop_normals[ml_index]);
}
else if (mp->flag & ME_SMOOTH) {
copy_v3_v3_short(&lnor_data->x, mr->mvert[ml->v].no);
}
else {
normal_float_to_short_v3(&lnor_data->x, mr->poly_normals[mp_index]);
}
/* Flag for paint mode overlay.
* Only use #MR_EXTRACT_MAPPED in edit mode where it is used to display the edge-normals.
* In paint mode it will use the un-mapped data to draw the wire-frame. */
if (mp->flag & ME_HIDE || (mr->edit_bmesh && mr->extract_type == MR_EXTRACT_MAPPED &&
(mr->v_origindex) && mr->v_origindex[ml->v] == ORIGINDEX_NONE)) {
lnor_data->w = -1;
}
else if (mp->flag & ME_FACE_SEL) {
lnor_data->w = 1;
}
else {
lnor_data->w = 0;
}
}
}
static const MeshExtract extract_lnor_hq = {
.init = extract_lnor_hq_init,
.iter_poly_bm = extract_lnor_hq_iter_poly_bm,
.iter_poly_mesh = extract_lnor_hq_iter_poly_mesh,
.data_flag = MR_DATA_LOOP_NOR,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.lnor)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Loop Normal
* \{ */
static void *extract_lnor_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "nor", GPU_COMP_I10, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);
GPU_vertformat_alias_add(&format, "lnor");
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len);
return GPU_vertbuf_get_data(vbo);
}
static void extract_lnor_iter_poly_bm(const MeshRenderData *mr,
BMFace *f,
const int UNUSED(f_index),
void *data)
{
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
if (mr->loop_normals) {
((GPUPackedNormal *)data)[l_index] = GPU_normal_convert_i10_v3(mr->loop_normals[l_index]);
}
else {
if (BM_elem_flag_test(f, BM_ELEM_SMOOTH)) {
((GPUPackedNormal *)data)[l_index] = GPU_normal_convert_i10_v3(
bm_vert_no_get(mr, l_iter->v));
}
else {
((GPUPackedNormal *)data)[l_index] = GPU_normal_convert_i10_v3(bm_face_no_get(mr, f));
}
}
((GPUPackedNormal *)data)[l_index].w = BM_elem_flag_test(f, BM_ELEM_HIDDEN) ? -1 : 0;
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_lnor_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int mp_index,
void *data)
{
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
GPUPackedNormal *lnor_data = &((GPUPackedNormal *)data)[ml_index];
if (mr->loop_normals) {
*lnor_data = GPU_normal_convert_i10_v3(mr->loop_normals[ml_index]);
}
else if (mp->flag & ME_SMOOTH) {
*lnor_data = GPU_normal_convert_i10_s3(mr->mvert[ml->v].no);
}
else {
*lnor_data = GPU_normal_convert_i10_v3(mr->poly_normals[mp_index]);
}
/* Flag for paint mode overlay.
* Only use MR_EXTRACT_MAPPED in edit mode where it is used to display the edge-normals.
* In paint mode it will use the un-mapped data to draw the wire-frame. */
if (mp->flag & ME_HIDE || (mr->edit_bmesh && mr->extract_type == MR_EXTRACT_MAPPED &&
(mr->v_origindex) && mr->v_origindex[ml->v] == ORIGINDEX_NONE)) {
lnor_data->w = -1;
}
else if (mp->flag & ME_FACE_SEL) {
lnor_data->w = 1;
}
else {
lnor_data->w = 0;
}
}
}
static const MeshExtract extract_lnor = {
.init = extract_lnor_init,
.iter_poly_bm = extract_lnor_iter_poly_bm,
.iter_poly_mesh = extract_lnor_iter_poly_mesh,
.data_flag = MR_DATA_LOOP_NOR,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.lnor)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract UV layers
* \{ */
static void *extract_uv_init(const MeshRenderData *mr, struct MeshBatchCache *cache, void *buf)
{
GPUVertBuf *vbo = buf;
GPUVertFormat format = {0};
GPU_vertformat_deinterleave(&format);
CustomData *cd_ldata = (mr->extract_type == MR_EXTRACT_BMESH) ? &mr->bm->ldata : &mr->me->ldata;
uint32_t uv_layers = cache->cd_used.uv;
/* HACK to fix T68857 */
if (mr->extract_type == MR_EXTRACT_BMESH && cache->cd_used.edit_uv == 1) {
int layer = CustomData_get_active_layer(cd_ldata, CD_MLOOPUV);
if (layer != -1) {
uv_layers |= (1 << layer);
}
}
for (int i = 0; i < MAX_MTFACE; i++) {
if (uv_layers & (1 << i)) {
char attr_name[32], attr_safe_name[GPU_MAX_SAFE_ATTR_NAME];
const char *layer_name = CustomData_get_layer_name(cd_ldata, CD_MLOOPUV, i);
GPU_vertformat_safe_attr_name(layer_name, attr_safe_name, GPU_MAX_SAFE_ATTR_NAME);
/* UV layer name. */
BLI_snprintf(attr_name, sizeof(attr_name), "u%s", attr_safe_name);
GPU_vertformat_attr_add(&format, attr_name, GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
/* Auto layer name. */
BLI_snprintf(attr_name, sizeof(attr_name), "a%s", attr_safe_name);
GPU_vertformat_alias_add(&format, attr_name);
/* Active render layer name. */
if (i == CustomData_get_render_layer(cd_ldata, CD_MLOOPUV)) {
GPU_vertformat_alias_add(&format, "u");
}
/* Active display layer name. */
if (i == CustomData_get_active_layer(cd_ldata, CD_MLOOPUV)) {
GPU_vertformat_alias_add(&format, "au");
/* Alias to `pos` for edit uvs. */
GPU_vertformat_alias_add(&format, "pos");
}
/* Stencil mask uv layer name. */
if (i == CustomData_get_stencil_layer(cd_ldata, CD_MLOOPUV)) {
GPU_vertformat_alias_add(&format, "mu");
}
}
}
int v_len = mr->loop_len;
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "dummy", GPU_COMP_F32, 1, GPU_FETCH_FLOAT);
/* VBO will not be used, only allocate minimum of memory. */
v_len = 1;
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, v_len);
float(*uv_data)[2] = (float(*)[2])GPU_vertbuf_get_data(vbo);
for (int i = 0; i < MAX_MTFACE; i++) {
if (uv_layers & (1 << i)) {
if (mr->extract_type == MR_EXTRACT_BMESH) {
int cd_ofs = CustomData_get_n_offset(cd_ldata, CD_MLOOPUV, i);
BMIter f_iter;
BMFace *efa;
BM_ITER_MESH (efa, &f_iter, mr->bm, BM_FACES_OF_MESH) {
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(efa);
do {
MLoopUV *luv = BM_ELEM_CD_GET_VOID_P(l_iter, cd_ofs);
memcpy(uv_data, luv->uv, sizeof(*uv_data));
uv_data++;
} while ((l_iter = l_iter->next) != l_first);
}
}
else {
MLoopUV *layer_data = CustomData_get_layer_n(cd_ldata, CD_MLOOPUV, i);
for (int ml_index = 0; ml_index < mr->loop_len; ml_index++, uv_data++, layer_data++) {
memcpy(uv_data, layer_data->uv, sizeof(*uv_data));
}
}
}
}
return NULL;
}
static const MeshExtract extract_uv = {.init = extract_uv_init,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.uv)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Tangent layers
* \{ */
static void extract_tan_ex_init(const MeshRenderData *mr,
struct MeshBatchCache *cache,
GPUVertBuf *vbo,
const bool do_hq)
{
GPUVertCompType comp_type = do_hq ? GPU_COMP_I16 : GPU_COMP_I10;
GPUVertFetchMode fetch_mode = GPU_FETCH_INT_TO_FLOAT_UNIT;
GPUVertFormat format = {0};
GPU_vertformat_deinterleave(&format);
CustomData *cd_ldata = (mr->extract_type == MR_EXTRACT_BMESH) ? &mr->bm->ldata : &mr->me->ldata;
CustomData *cd_vdata = (mr->extract_type == MR_EXTRACT_BMESH) ? &mr->bm->vdata : &mr->me->vdata;
uint32_t tan_layers = cache->cd_used.tan;
float(*orco)[3] = CustomData_get_layer(cd_vdata, CD_ORCO);
bool orco_allocated = false;
const bool use_orco_tan = cache->cd_used.tan_orco != 0;
int tan_len = 0;
char tangent_names[MAX_MTFACE][MAX_CUSTOMDATA_LAYER_NAME];
for (int i = 0; i < MAX_MTFACE; i++) {
if (tan_layers & (1 << i)) {
char attr_name[32], attr_safe_name[GPU_MAX_SAFE_ATTR_NAME];
const char *layer_name = CustomData_get_layer_name(cd_ldata, CD_MLOOPUV, i);
GPU_vertformat_safe_attr_name(layer_name, attr_safe_name, GPU_MAX_SAFE_ATTR_NAME);
/* Tangent layer name. */
BLI_snprintf(attr_name, sizeof(attr_name), "t%s", attr_safe_name);
GPU_vertformat_attr_add(&format, attr_name, comp_type, 4, fetch_mode);
/* Active render layer name. */
if (i == CustomData_get_render_layer(cd_ldata, CD_MLOOPUV)) {
GPU_vertformat_alias_add(&format, "t");
}
/* Active display layer name. */
if (i == CustomData_get_active_layer(cd_ldata, CD_MLOOPUV)) {
GPU_vertformat_alias_add(&format, "at");
}
BLI_strncpy(tangent_names[tan_len++], layer_name, MAX_CUSTOMDATA_LAYER_NAME);
}
}
if (use_orco_tan && orco == NULL) {
/* If `orco` is not available compute it ourselves */
orco_allocated = true;
orco = MEM_mallocN(sizeof(*orco) * mr->vert_len, __func__);
if (mr->extract_type == MR_EXTRACT_BMESH) {
BMesh *bm = mr->bm;
for (int v = 0; v < mr->vert_len; v++) {
const BMVert *eve = BM_vert_at_index(bm, v);
/* Exceptional case where #bm_vert_co_get can be avoided, as we want the original coords.
* not the distorted ones. */
copy_v3_v3(orco[v], eve->co);
}
}
else {
const MVert *mv = mr->mvert;
for (int v = 0; v < mr->vert_len; v++, mv++) {
copy_v3_v3(orco[v], mv->co);
}
}
BKE_mesh_orco_verts_transform(mr->me, orco, mr->vert_len, 0);
}
/* Start Fresh */
CustomData loop_data;
CustomData_reset(&loop_data);
if (tan_len != 0 || use_orco_tan) {
short tangent_mask = 0;
bool calc_active_tangent = false;
if (mr->extract_type == MR_EXTRACT_BMESH) {
BKE_editmesh_loop_tangent_calc(mr->edit_bmesh,
calc_active_tangent,
tangent_names,
tan_len,
mr->poly_normals,
mr->loop_normals,
orco,
&loop_data,
mr->loop_len,
&tangent_mask);
}
else {
BKE_mesh_calc_loop_tangent_ex(mr->mvert,
mr->mpoly,
mr->poly_len,
mr->mloop,
mr->mlooptri,
mr->tri_len,
cd_ldata,
calc_active_tangent,
tangent_names,
tan_len,
mr->poly_normals,
mr->loop_normals,
orco,
&loop_data,
mr->loop_len,
&tangent_mask);
}
}
if (use_orco_tan) {
char attr_name[32], attr_safe_name[GPU_MAX_SAFE_ATTR_NAME];
const char *layer_name = CustomData_get_layer_name(&loop_data, CD_TANGENT, 0);
GPU_vertformat_safe_attr_name(layer_name, attr_safe_name, GPU_MAX_SAFE_ATTR_NAME);
BLI_snprintf(attr_name, sizeof(*attr_name), "t%s", attr_safe_name);
GPU_vertformat_attr_add(&format, attr_name, comp_type, 4, fetch_mode);
GPU_vertformat_alias_add(&format, "t");
GPU_vertformat_alias_add(&format, "at");
}
if (orco_allocated) {
MEM_SAFE_FREE(orco);
}
int v_len = mr->loop_len;
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "dummy", GPU_COMP_F32, 1, GPU_FETCH_FLOAT);
/* VBO will not be used, only allocate minimum of memory. */
v_len = 1;
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, v_len);
if (do_hq) {
short(*tan_data)[4] = (short(*)[4])GPU_vertbuf_get_data(vbo);
for (int i = 0; i < tan_len; i++) {
const char *name = tangent_names[i];
float(*layer_data)[4] = (float(*)[4])CustomData_get_layer_named(
&loop_data, CD_TANGENT, name);
for (int ml_index = 0; ml_index < mr->loop_len; ml_index++) {
normal_float_to_short_v3(*tan_data, layer_data[ml_index]);
(*tan_data)[3] = (layer_data[ml_index][3] > 0.0f) ? SHRT_MAX : SHRT_MIN;
tan_data++;
}
}
if (use_orco_tan) {
float(*layer_data)[4] = (float(*)[4])CustomData_get_layer_n(&loop_data, CD_TANGENT, 0);
for (int ml_index = 0; ml_index < mr->loop_len; ml_index++) {
normal_float_to_short_v3(*tan_data, layer_data[ml_index]);
(*tan_data)[3] = (layer_data[ml_index][3] > 0.0f) ? SHRT_MAX : SHRT_MIN;
tan_data++;
}
}
}
else {
GPUPackedNormal *tan_data = (GPUPackedNormal *)GPU_vertbuf_get_data(vbo);
for (int i = 0; i < tan_len; i++) {
const char *name = tangent_names[i];
float(*layer_data)[4] = (float(*)[4])CustomData_get_layer_named(
&loop_data, CD_TANGENT, name);
for (int ml_index = 0; ml_index < mr->loop_len; ml_index++) {
*tan_data = GPU_normal_convert_i10_v3(layer_data[ml_index]);
tan_data->w = (layer_data[ml_index][3] > 0.0f) ? 1 : -2;
tan_data++;
}
}
if (use_orco_tan) {
float(*layer_data)[4] = (float(*)[4])CustomData_get_layer_n(&loop_data, CD_TANGENT, 0);
for (int ml_index = 0; ml_index < mr->loop_len; ml_index++) {
*tan_data = GPU_normal_convert_i10_v3(layer_data[ml_index]);
tan_data->w = (layer_data[ml_index][3] > 0.0f) ? 1 : -2;
tan_data++;
}
}
}
CustomData_free(&loop_data, mr->loop_len);
}
static void *extract_tan_init(const MeshRenderData *mr, struct MeshBatchCache *cache, void *buf)
{
extract_tan_ex_init(mr, cache, buf, false);
return NULL;
}
static const MeshExtract extract_tan = {.init = extract_tan_init,
.data_flag = MR_DATA_POLY_NOR | MR_DATA_TAN_LOOP_NOR |
MR_DATA_LOOPTRI,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.tan)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract HQ Tangent layers
* \{ */
static void *extract_tan_hq_init(const MeshRenderData *mr, struct MeshBatchCache *cache, void *buf)
{
extract_tan_ex_init(mr, cache, buf, true);
return NULL;
}
static const MeshExtract extract_tan_hq = {
.init = extract_tan_hq_init,
.data_flag = MR_DATA_POLY_NOR | MR_DATA_TAN_LOOP_NOR | MR_DATA_LOOPTRI,
.use_threading = false,
};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Sculpt Data
* \{ */
static void *extract_sculpt_data_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
GPUVertFormat format = {0};
CustomData *cd_ldata = (mr->extract_type == MR_EXTRACT_BMESH) ? &mr->bm->ldata : &mr->me->ldata;
CustomData *cd_vdata = (mr->extract_type == MR_EXTRACT_BMESH) ? &mr->bm->vdata : &mr->me->vdata;
CustomData *cd_pdata = (mr->extract_type == MR_EXTRACT_BMESH) ? &mr->bm->pdata : &mr->me->pdata;
float *cd_mask = CustomData_get_layer(cd_vdata, CD_PAINT_MASK);
int *cd_face_set = CustomData_get_layer(cd_pdata, CD_SCULPT_FACE_SETS);
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "fset", GPU_COMP_U8, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);
GPU_vertformat_attr_add(&format, "msk", GPU_COMP_F32, 1, GPU_FETCH_FLOAT);
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len);
typedef struct gpuSculptData {
uint8_t face_set_color[4];
float mask;
} gpuSculptData;
gpuSculptData *vbo_data = (gpuSculptData *)GPU_vertbuf_get_data(vbo);
MLoop *loops = CustomData_get_layer(cd_ldata, CD_MLOOP);
if (mr->extract_type == MR_EXTRACT_BMESH) {
int cd_mask_ofs = CustomData_get_offset(cd_vdata, CD_PAINT_MASK);
int cd_face_set_ofs = CustomData_get_offset(cd_pdata, CD_SCULPT_FACE_SETS);
BMIter f_iter;
BMFace *efa;
BM_ITER_MESH (efa, &f_iter, mr->bm, BM_FACES_OF_MESH) {
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(efa);
do {
float v_mask = 0.0f;
if (cd_mask) {
v_mask = BM_ELEM_CD_GET_FLOAT(l_iter->v, cd_mask_ofs);
}
vbo_data->mask = v_mask;
uchar face_set_color[4] = {UCHAR_MAX, UCHAR_MAX, UCHAR_MAX, UCHAR_MAX};
if (cd_face_set) {
const int face_set_id = BM_ELEM_CD_GET_INT(l_iter->f, cd_face_set_ofs);
if (face_set_id != mr->me->face_sets_color_default) {
BKE_paint_face_set_overlay_color_get(
face_set_id, mr->me->face_sets_color_seed, face_set_color);
}
}
copy_v3_v3_uchar(vbo_data->face_set_color, face_set_color);
vbo_data++;
} while ((l_iter = l_iter->next) != l_first);
}
}
else {
int mp_loop = 0;
for (int mp_index = 0; mp_index < mr->poly_len; mp_index++) {
const MPoly *p = &mr->mpoly[mp_index];
for (int l = 0; l < p->totloop; l++) {
float v_mask = 0.0f;
if (cd_mask) {
v_mask = cd_mask[loops[mp_loop].v];
}
vbo_data->mask = v_mask;
uchar face_set_color[4] = {UCHAR_MAX, UCHAR_MAX, UCHAR_MAX, UCHAR_MAX};
if (cd_face_set) {
const int face_set_id = cd_face_set[mp_index];
/* Skip for the default color Face Set to render it white. */
if (face_set_id != mr->me->face_sets_color_default) {
BKE_paint_face_set_overlay_color_get(
face_set_id, mr->me->face_sets_color_seed, face_set_color);
}
}
copy_v3_v3_uchar(vbo_data->face_set_color, face_set_color);
mp_loop++;
vbo_data++;
}
}
}
return NULL;
}
static const MeshExtract extract_sculpt_data = {
.init = extract_sculpt_data_init,
.data_flag = 0,
/* TODO: enable threading. */
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.sculpt_data)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract VCol
* \{ */
static void *extract_vcol_init(const MeshRenderData *mr, struct MeshBatchCache *cache, void *buf)
{
GPUVertBuf *vbo = buf;
GPUVertFormat format = {0};
GPU_vertformat_deinterleave(&format);
CustomData *cd_ldata = (mr->extract_type == MR_EXTRACT_BMESH) ? &mr->bm->ldata : &mr->me->ldata;
CustomData *cd_vdata = (mr->extract_type == MR_EXTRACT_BMESH) ? &mr->bm->vdata : &mr->me->vdata;
uint32_t vcol_layers = cache->cd_used.vcol;
uint32_t svcol_layers = cache->cd_used.sculpt_vcol;
for (int i = 0; i < MAX_MCOL; i++) {
if (vcol_layers & (1 << i)) {
char attr_name[32], attr_safe_name[GPU_MAX_SAFE_ATTR_NAME];
const char *layer_name = CustomData_get_layer_name(cd_ldata, CD_MLOOPCOL, i);
GPU_vertformat_safe_attr_name(layer_name, attr_safe_name, GPU_MAX_SAFE_ATTR_NAME);
BLI_snprintf(attr_name, sizeof(attr_name), "c%s", attr_safe_name);
GPU_vertformat_attr_add(&format, attr_name, GPU_COMP_U16, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);
if (i == CustomData_get_render_layer(cd_ldata, CD_MLOOPCOL)) {
GPU_vertformat_alias_add(&format, "c");
}
if (i == CustomData_get_active_layer(cd_ldata, CD_MLOOPCOL)) {
GPU_vertformat_alias_add(&format, "ac");
}
/* Gather number of auto layers. */
/* We only do `vcols` that are not overridden by `uvs` and sculpt vertex colors. */
if (CustomData_get_named_layer_index(cd_ldata, CD_MLOOPUV, layer_name) == -1 &&
CustomData_get_named_layer_index(cd_vdata, CD_PROP_COLOR, layer_name) == -1) {
BLI_snprintf(attr_name, sizeof(attr_name), "a%s", attr_safe_name);
GPU_vertformat_alias_add(&format, attr_name);
}
}
}
/* Sculpt Vertex Colors */
if (U.experimental.use_sculpt_vertex_colors) {
for (int i = 0; i < 8; i++) {
if (svcol_layers & (1 << i)) {
char attr_name[32], attr_safe_name[GPU_MAX_SAFE_ATTR_NAME];
const char *layer_name = CustomData_get_layer_name(cd_vdata, CD_PROP_COLOR, i);
GPU_vertformat_safe_attr_name(layer_name, attr_safe_name, GPU_MAX_SAFE_ATTR_NAME);
BLI_snprintf(attr_name, sizeof(attr_name), "c%s", attr_safe_name);
GPU_vertformat_attr_add(&format, attr_name, GPU_COMP_U16, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);
if (i == CustomData_get_render_layer(cd_vdata, CD_PROP_COLOR)) {
GPU_vertformat_alias_add(&format, "c");
}
if (i == CustomData_get_active_layer(cd_vdata, CD_PROP_COLOR)) {
GPU_vertformat_alias_add(&format, "ac");
}
/* Gather number of auto layers. */
/* We only do `vcols` that are not overridden by `uvs`. */
if (CustomData_get_named_layer_index(cd_ldata, CD_MLOOPUV, layer_name) == -1) {
BLI_snprintf(attr_name, sizeof(attr_name), "a%s", attr_safe_name);
GPU_vertformat_alias_add(&format, attr_name);
}
}
}
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len);
typedef struct gpuMeshVcol {
ushort r, g, b, a;
} gpuMeshVcol;
gpuMeshVcol *vcol_data = (gpuMeshVcol *)GPU_vertbuf_get_data(vbo);
MLoop *loops = CustomData_get_layer(cd_ldata, CD_MLOOP);
for (int i = 0; i < MAX_MCOL; i++) {
if (vcol_layers & (1 << i)) {
if (mr->extract_type == MR_EXTRACT_BMESH) {
int cd_ofs = CustomData_get_n_offset(cd_ldata, CD_MLOOPCOL, i);
BMIter f_iter;
BMFace *efa;
BM_ITER_MESH (efa, &f_iter, mr->bm, BM_FACES_OF_MESH) {
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(efa);
do {
const MLoopCol *mloopcol = BM_ELEM_CD_GET_VOID_P(l_iter, cd_ofs);
vcol_data->r = unit_float_to_ushort_clamp(BLI_color_from_srgb_table[mloopcol->r]);
vcol_data->g = unit_float_to_ushort_clamp(BLI_color_from_srgb_table[mloopcol->g]);
vcol_data->b = unit_float_to_ushort_clamp(BLI_color_from_srgb_table[mloopcol->b]);
vcol_data->a = unit_float_to_ushort_clamp(mloopcol->a * (1.0f / 255.0f));
vcol_data++;
} while ((l_iter = l_iter->next) != l_first);
}
}
else {
const MLoopCol *mloopcol = (MLoopCol *)CustomData_get_layer_n(cd_ldata, CD_MLOOPCOL, i);
for (int ml_index = 0; ml_index < mr->loop_len; ml_index++, mloopcol++, vcol_data++) {
vcol_data->r = unit_float_to_ushort_clamp(BLI_color_from_srgb_table[mloopcol->r]);
vcol_data->g = unit_float_to_ushort_clamp(BLI_color_from_srgb_table[mloopcol->g]);
vcol_data->b = unit_float_to_ushort_clamp(BLI_color_from_srgb_table[mloopcol->b]);
vcol_data->a = unit_float_to_ushort_clamp(mloopcol->a * (1.0f / 255.0f));
}
}
}
if (svcol_layers & (1 << i) && U.experimental.use_sculpt_vertex_colors) {
if (mr->extract_type == MR_EXTRACT_BMESH) {
int cd_ofs = CustomData_get_n_offset(cd_vdata, CD_PROP_COLOR, i);
BMIter f_iter;
BMFace *efa;
BM_ITER_MESH (efa, &f_iter, mr->bm, BM_FACES_OF_MESH) {
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(efa);
do {
const MPropCol *prop_col = BM_ELEM_CD_GET_VOID_P(l_iter->v, cd_ofs);
vcol_data->r = unit_float_to_ushort_clamp(prop_col->color[0]);
vcol_data->g = unit_float_to_ushort_clamp(prop_col->color[1]);
vcol_data->b = unit_float_to_ushort_clamp(prop_col->color[2]);
vcol_data->a = unit_float_to_ushort_clamp(prop_col->color[3]);
vcol_data++;
} while ((l_iter = l_iter->next) != l_first);
}
}
else {
MPropCol *vcol = CustomData_get_layer_n(cd_vdata, CD_PROP_COLOR, i);
for (int ml_index = 0; ml_index < mr->loop_len; ml_index++, vcol_data++) {
vcol_data->r = unit_float_to_ushort_clamp(vcol[loops[ml_index].v].color[0]);
vcol_data->g = unit_float_to_ushort_clamp(vcol[loops[ml_index].v].color[1]);
vcol_data->b = unit_float_to_ushort_clamp(vcol[loops[ml_index].v].color[2]);
vcol_data->a = unit_float_to_ushort_clamp(vcol[loops[ml_index].v].color[3]);
}
}
}
}
return NULL;
}
static const MeshExtract extract_vcol = {
.init = extract_vcol_init,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.vcol)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Orco
* \{ */
typedef struct MeshExtract_Orco_Data {
float (*vbo_data)[4];
float (*orco)[3];
} MeshExtract_Orco_Data;
static void *extract_orco_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
/* FIXME(fclem): We use the last component as a way to differentiate from generic vertex
* attributes. This is a substantial waste of video-ram and should be done another way.
* Unfortunately, at the time of writing, I did not found any other "non disruptive"
* alternative. */
GPU_vertformat_attr_add(&format, "orco", GPU_COMP_F32, 4, GPU_FETCH_FLOAT);
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len);
CustomData *cd_vdata = &mr->me->vdata;
MeshExtract_Orco_Data *data = MEM_mallocN(sizeof(*data), __func__);
data->vbo_data = (float(*)[4])GPU_vertbuf_get_data(vbo);
data->orco = CustomData_get_layer(cd_vdata, CD_ORCO);
/* Make sure `orco` layer was requested only if needed! */
BLI_assert(data->orco);
return data;
}
static void extract_orco_iter_poly_bm(const MeshRenderData *UNUSED(mr),
BMFace *f,
const int UNUSED(f_index),
void *data)
{
MeshExtract_Orco_Data *orco_data = (MeshExtract_Orco_Data *)data;
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
float *loop_orco = orco_data->vbo_data[l_index];
copy_v3_v3(loop_orco, orco_data->orco[BM_elem_index_get(l_iter->v)]);
loop_orco[3] = 0.0; /* Tag as not a generic attribute. */
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_orco_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int UNUSED(mp_index),
void *data)
{
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
MeshExtract_Orco_Data *orco_data = (MeshExtract_Orco_Data *)data;
float *loop_orco = orco_data->vbo_data[ml_index];
copy_v3_v3(loop_orco, orco_data->orco[ml->v]);
loop_orco[3] = 0.0; /* Tag as not a generic attribute. */
}
}
static void extract_orco_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(buf),
void *data)
{
MEM_freeN(data);
}
static const MeshExtract extract_orco = {
.init = extract_orco_init,
.iter_poly_bm = extract_orco_iter_poly_bm,
.iter_poly_mesh = extract_orco_iter_poly_mesh,
.finish = extract_orco_finish,
.data_flag = 0,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.orco)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Edge Factor
* Defines how much an edge is visible.
* \{ */
typedef struct MeshExtract_EdgeFac_Data {
uchar *vbo_data;
bool use_edge_render;
/* Number of loop per edge. */
uchar edge_loop_count[0];
} MeshExtract_EdgeFac_Data;
static float loop_edge_factor_get(const float f_no[3],
const float v_co[3],
const float v_no[3],
const float v_next_co[3])
{
float enor[3], evec[3];
sub_v3_v3v3(evec, v_next_co, v_co);
cross_v3_v3v3(enor, v_no, evec);
normalize_v3(enor);
float d = fabsf(dot_v3v3(enor, f_no));
/* Re-scale to the slider range. */
d *= (1.0f / 0.065f);
CLAMP(d, 0.0f, 1.0f);
return d;
}
static void *extract_edge_fac_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "wd", GPU_COMP_U8, 1, GPU_FETCH_INT_TO_FLOAT_UNIT);
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len + mr->loop_loose_len);
MeshExtract_EdgeFac_Data *data;
if (mr->extract_type == MR_EXTRACT_MESH) {
size_t edge_loop_count_size = sizeof(uint32_t) * mr->edge_len;
data = MEM_callocN(sizeof(*data) + edge_loop_count_size, __func__);
/* HACK(fclem) Detecting the need for edge render.
* We could have a flag in the mesh instead or check the modifier stack. */
const MEdge *med = mr->medge;
for (int e_index = 0; e_index < mr->edge_len; e_index++, med++) {
if ((med->flag & ME_EDGERENDER) == 0) {
data->use_edge_render = true;
break;
}
}
}
else {
data = MEM_callocN(sizeof(*data), __func__);
/* HACK to bypass non-manifold check in mesh_edge_fac_finish(). */
data->use_edge_render = true;
}
data->vbo_data = GPU_vertbuf_get_data(vbo);
return data;
}
static void extract_edge_fac_iter_poly_bm(const MeshRenderData *mr,
BMFace *f,
const int UNUSED(f_index),
void *_data)
{
MeshExtract_EdgeFac_Data *data = _data;
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
if (BM_edge_is_manifold(l_iter->e)) {
float ratio = loop_edge_factor_get(bm_face_no_get(mr, f),
bm_vert_co_get(mr, l_iter->v),
bm_vert_no_get(mr, l_iter->v),
bm_vert_co_get(mr, l_iter->next->v));
data->vbo_data[l_index] = ratio * 253 + 1;
}
else {
data->vbo_data[l_index] = 255;
}
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_edge_fac_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int mp_index,
void *_data)
{
MeshExtract_EdgeFac_Data *data = (MeshExtract_EdgeFac_Data *)_data;
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
if (data->use_edge_render) {
const MEdge *med = &mr->medge[ml->e];
data->vbo_data[ml_index] = (med->flag & ME_EDGERENDER) ? 255 : 0;
}
else {
/* Count loop per edge to detect non-manifold. */
if (data->edge_loop_count[ml->e] < 3) {
data->edge_loop_count[ml->e]++;
}
if (data->edge_loop_count[ml->e] == 2) {
/* Manifold */
const int ml_index_last = mp->totloop + mp->loopstart - 1;
const int ml_index_other = (ml_index == ml_index_last) ? mp->loopstart : (ml_index + 1);
const MLoop *ml_next = &mr->mloop[ml_index_other];
const MVert *v1 = &mr->mvert[ml->v];
const MVert *v2 = &mr->mvert[ml_next->v];
float vnor_f[3];
normal_short_to_float_v3(vnor_f, v1->no);
float ratio = loop_edge_factor_get(mr->poly_normals[mp_index], v1->co, vnor_f, v2->co);
data->vbo_data[ml_index] = ratio * 253 + 1;
}
else {
/* Non-manifold */
data->vbo_data[ml_index] = 255;
}
}
}
}
static void extract_edge_fac_iter_ledge_bm(const MeshRenderData *mr,
BMEdge *UNUSED(eed),
const int ledge_index,
void *_data)
{
MeshExtract_EdgeFac_Data *data = _data;
data->vbo_data[mr->loop_len + (ledge_index * 2) + 0] = 255;
data->vbo_data[mr->loop_len + (ledge_index * 2) + 1] = 255;
}
static void extract_edge_fac_iter_ledge_mesh(const MeshRenderData *mr,
const MEdge *UNUSED(med),
const uint ledge_index,
void *_data)
{
MeshExtract_EdgeFac_Data *data = _data;
data->vbo_data[mr->loop_len + ledge_index * 2 + 0] = 255;
data->vbo_data[mr->loop_len + ledge_index * 2 + 1] = 255;
}
static void extract_edge_fac_finish(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf,
void *_data)
{
GPUVertBuf *vbo = buf;
MeshExtract_EdgeFac_Data *data = _data;
if (GPU_crappy_amd_driver()) {
/* Some AMD drivers strangely crash with VBO's with a one byte format.
* To workaround we reinitialize the VBO with another format and convert
* all bytes to floats. */
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "wd", GPU_COMP_F32, 1, GPU_FETCH_FLOAT);
}
/* We keep the data reference in data->vbo_data. */
data->vbo_data = GPU_vertbuf_steal_data(vbo);
GPU_vertbuf_clear(vbo);
int buf_len = mr->loop_len + mr->loop_loose_len;
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, buf_len);
float *fdata = (float *)GPU_vertbuf_get_data(vbo);
for (int ml_index = 0; ml_index < buf_len; ml_index++, fdata++) {
*fdata = data->vbo_data[ml_index] / 255.0f;
}
/* Free old byte data. */
MEM_freeN(data->vbo_data);
}
MEM_freeN(data);
}
static const MeshExtract extract_edge_fac = {
.init = extract_edge_fac_init,
.iter_poly_bm = extract_edge_fac_iter_poly_bm,
.iter_poly_mesh = extract_edge_fac_iter_poly_mesh,
.iter_ledge_bm = extract_edge_fac_iter_ledge_bm,
.iter_ledge_mesh = extract_edge_fac_iter_ledge_mesh,
.finish = extract_edge_fac_finish,
.data_flag = MR_DATA_POLY_NOR,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.edge_fac)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Vertex Weight
* \{ */
typedef struct MeshExtract_Weight_Data {
float *vbo_data;
const DRW_MeshWeightState *wstate;
const MDeformVert *dvert; /* For #Mesh. */
int cd_ofs; /* For #BMesh. */
} MeshExtract_Weight_Data;
static float evaluate_vertex_weight(const MDeformVert *dvert, const DRW_MeshWeightState *wstate)
{
/* Error state. */
if ((wstate->defgroup_active < 0) && (wstate->defgroup_len > 0)) {
return -2.0f;
}
if (dvert == NULL) {
return (wstate->alert_mode != OB_DRAW_GROUPUSER_NONE) ? -1.0f : 0.0f;
}
float input = 0.0f;
if (wstate->flags & DRW_MESH_WEIGHT_STATE_MULTIPAINT) {
/* Multi-Paint feature */
bool is_normalized = (wstate->flags & (DRW_MESH_WEIGHT_STATE_AUTO_NORMALIZE |
DRW_MESH_WEIGHT_STATE_LOCK_RELATIVE));
input = BKE_defvert_multipaint_collective_weight(dvert,
wstate->defgroup_len,
wstate->defgroup_sel,
wstate->defgroup_sel_count,
is_normalized);
/* make it black if the selected groups have no weight on a vertex */
if (input == 0.0f) {
return -1.0f;
}
}
else {
/* default, non tricky behavior */
input = BKE_defvert_find_weight(dvert, wstate->defgroup_active);
if (input == 0.0f) {
switch (wstate->alert_mode) {
case OB_DRAW_GROUPUSER_ACTIVE:
return -1.0f;
break;
case OB_DRAW_GROUPUSER_ALL:
if (BKE_defvert_is_weight_zero(dvert, wstate->defgroup_len)) {
return -1.0f;
}
break;
}
}
}
/* Lock-Relative: display the fraction of current weight vs total unlocked weight. */
if (wstate->flags & DRW_MESH_WEIGHT_STATE_LOCK_RELATIVE) {
input = BKE_defvert_lock_relative_weight(
input, dvert, wstate->defgroup_len, wstate->defgroup_locked, wstate->defgroup_unlocked);
}
CLAMP(input, 0.0f, 1.0f);
return input;
}
static void *extract_weights_init(const MeshRenderData *mr,
struct MeshBatchCache *cache,
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "weight", GPU_COMP_F32, 1, GPU_FETCH_FLOAT);
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len + mr->loop_loose_len);
MeshExtract_Weight_Data *data = MEM_callocN(sizeof(*data), __func__);
data->vbo_data = (float *)GPU_vertbuf_get_data(vbo);
data->wstate = &cache->weight_state;
if (data->wstate->defgroup_active == -1) {
/* Nothing to show. */
data->dvert = NULL;
data->cd_ofs = -1;
}
else if (mr->extract_type == MR_EXTRACT_BMESH) {
data->dvert = NULL;
data->cd_ofs = CustomData_get_offset(&mr->bm->vdata, CD_MDEFORMVERT);
}
else {
data->dvert = CustomData_get_layer(&mr->me->vdata, CD_MDEFORMVERT);
data->cd_ofs = -1;
}
return data;
}
static void extract_weights_iter_poly_bm(const MeshRenderData *UNUSED(mr),
BMFace *f,
const int UNUSED(f_index),
void *_data)
{
MeshExtract_Weight_Data *data = _data;
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
if (data->cd_ofs != -1) {
const MDeformVert *dvert = BM_ELEM_CD_GET_VOID_P(l_iter->v, data->cd_ofs);
data->vbo_data[l_index] = evaluate_vertex_weight(dvert, data->wstate);
}
else {
data->vbo_data[l_index] = evaluate_vertex_weight(NULL, data->wstate);
}
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_weights_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int UNUSED(mp_index),
void *_data)
{
MeshExtract_Weight_Data *data = _data;
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
if (data->dvert != NULL) {
const MDeformVert *dvert = &data->dvert[ml->v];
data->vbo_data[ml_index] = evaluate_vertex_weight(dvert, data->wstate);
}
else {
const MDeformVert *dvert = NULL;
data->vbo_data[ml_index] = evaluate_vertex_weight(dvert, data->wstate);
}
}
}
static void extract_weights_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(buf),
void *data)
{
MEM_freeN(data);
}
static const MeshExtract extract_weights = {
.init = extract_weights_init,
.iter_poly_bm = extract_weights_iter_poly_bm,
.iter_poly_mesh = extract_weights_iter_poly_mesh,
.finish = extract_weights_finish,
.data_flag = 0,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.weights)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Edit Mode Data / Flags
* \{ */
typedef struct EditLoopData {
uchar v_flag;
uchar e_flag;
uchar crease;
uchar bweight;
} EditLoopData;
static void mesh_render_data_face_flag(const MeshRenderData *mr,
BMFace *efa,
const int cd_ofs,
EditLoopData *eattr)
{
if (efa == mr->efa_act) {
eattr->v_flag |= VFLAG_FACE_ACTIVE;
}
if (BM_elem_flag_test(efa, BM_ELEM_SELECT)) {
eattr->v_flag |= VFLAG_FACE_SELECTED;
}
if (efa == mr->efa_act_uv) {
eattr->v_flag |= VFLAG_FACE_UV_ACTIVE;
}
if ((cd_ofs != -1) && uvedit_face_select_test_ex(mr->toolsettings, (BMFace *)efa, cd_ofs)) {
eattr->v_flag |= VFLAG_FACE_UV_SELECT;
}
#ifdef WITH_FREESTYLE
if (mr->freestyle_face_ofs != -1) {
const FreestyleFace *ffa = BM_ELEM_CD_GET_VOID_P(efa, mr->freestyle_face_ofs);
if (ffa->flag & FREESTYLE_FACE_MARK) {
eattr->v_flag |= VFLAG_FACE_FREESTYLE;
}
}
#endif
}
static void mesh_render_data_edge_flag(const MeshRenderData *mr, BMEdge *eed, EditLoopData *eattr)
{
const ToolSettings *ts = mr->toolsettings;
const bool is_vertex_select_mode = (ts != NULL) && (ts->selectmode & SCE_SELECT_VERTEX) != 0;
const bool is_face_only_select_mode = (ts != NULL) && (ts->selectmode == SCE_SELECT_FACE);
if (eed == mr->eed_act) {
eattr->e_flag |= VFLAG_EDGE_ACTIVE;
}
if (!is_vertex_select_mode && BM_elem_flag_test(eed, BM_ELEM_SELECT)) {
eattr->e_flag |= VFLAG_EDGE_SELECTED;
}
if (is_vertex_select_mode && BM_elem_flag_test(eed->v1, BM_ELEM_SELECT) &&
BM_elem_flag_test(eed->v2, BM_ELEM_SELECT)) {
eattr->e_flag |= VFLAG_EDGE_SELECTED;
eattr->e_flag |= VFLAG_VERT_SELECTED;
}
if (BM_elem_flag_test(eed, BM_ELEM_SEAM)) {
eattr->e_flag |= VFLAG_EDGE_SEAM;
}
if (!BM_elem_flag_test(eed, BM_ELEM_SMOOTH)) {
eattr->e_flag |= VFLAG_EDGE_SHARP;
}
/* Use active edge color for active face edges because
* specular highlights make it hard to see T55456#510873.
*
* This isn't ideal since it can't be used when mixing edge/face modes
* but it's still better than not being able to see the active face. */
if (is_face_only_select_mode) {
if (mr->efa_act != NULL) {
if (BM_edge_in_face(eed, mr->efa_act)) {
eattr->e_flag |= VFLAG_EDGE_ACTIVE;
}
}
}
/* Use a byte for value range */
if (mr->crease_ofs != -1) {
float crease = BM_ELEM_CD_GET_FLOAT(eed, mr->crease_ofs);
if (crease > 0) {
eattr->crease = (uchar)(crease * 255.0f);
}
}
/* Use a byte for value range */
if (mr->bweight_ofs != -1) {
float bweight = BM_ELEM_CD_GET_FLOAT(eed, mr->bweight_ofs);
if (bweight > 0) {
eattr->bweight = (uchar)(bweight * 255.0f);
}
}
#ifdef WITH_FREESTYLE
if (mr->freestyle_edge_ofs != -1) {
const FreestyleEdge *fed = BM_ELEM_CD_GET_VOID_P(eed, mr->freestyle_edge_ofs);
if (fed->flag & FREESTYLE_EDGE_MARK) {
eattr->e_flag |= VFLAG_EDGE_FREESTYLE;
}
}
#endif
}
static void mesh_render_data_loop_flag(const MeshRenderData *mr,
BMLoop *l,
const int cd_ofs,
EditLoopData *eattr)
{
if (cd_ofs == -1) {
return;
}
MLoopUV *luv = BM_ELEM_CD_GET_VOID_P(l, cd_ofs);
if (luv != NULL && (luv->flag & MLOOPUV_PINNED)) {
eattr->v_flag |= VFLAG_VERT_UV_PINNED;
}
if (uvedit_uv_select_test_ex(mr->toolsettings, l, cd_ofs)) {
eattr->v_flag |= VFLAG_VERT_UV_SELECT;
}
}
static void mesh_render_data_loop_edge_flag(const MeshRenderData *mr,
BMLoop *l,
const int cd_ofs,
EditLoopData *eattr)
{
if (cd_ofs == -1) {
return;
}
if (uvedit_edge_select_test_ex(mr->toolsettings, l, cd_ofs)) {
eattr->v_flag |= VFLAG_EDGE_UV_SELECT;
eattr->v_flag |= VFLAG_VERT_UV_SELECT;
}
}
static void mesh_render_data_vert_flag(const MeshRenderData *mr, BMVert *eve, EditLoopData *eattr)
{
if (eve == mr->eve_act) {
eattr->e_flag |= VFLAG_VERT_ACTIVE;
}
if (BM_elem_flag_test(eve, BM_ELEM_SELECT)) {
eattr->e_flag |= VFLAG_VERT_SELECTED;
}
}
static void *extract_edit_data_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
/* WARNING: Adjust #EditLoopData struct accordingly. */
GPU_vertformat_attr_add(&format, "data", GPU_COMP_U8, 4, GPU_FETCH_INT);
GPU_vertformat_alias_add(&format, "flag");
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len + mr->loop_loose_len);
return GPU_vertbuf_get_data(vbo);
}
static void extract_edit_data_iter_poly_bm(const MeshRenderData *mr,
BMFace *f,
const int UNUSED(f_index),
void *_data)
{
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
EditLoopData *data = (EditLoopData *)_data + l_index;
memset(data, 0x0, sizeof(*data));
mesh_render_data_face_flag(mr, f, -1, data);
mesh_render_data_edge_flag(mr, l_iter->e, data);
mesh_render_data_vert_flag(mr, l_iter->v, data);
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_edit_data_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int mp_index,
void *_data)
{
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
EditLoopData *data = (EditLoopData *)_data + ml_index;
memset(data, 0x0, sizeof(*data));
BMFace *efa = bm_original_face_get(mr, mp_index);
BMEdge *eed = bm_original_edge_get(mr, ml->e);
BMVert *eve = bm_original_vert_get(mr, ml->v);
if (efa) {
mesh_render_data_face_flag(mr, efa, -1, data);
}
if (eed) {
mesh_render_data_edge_flag(mr, eed, data);
}
if (eve) {
mesh_render_data_vert_flag(mr, eve, data);
}
}
}
static void extract_edit_data_iter_ledge_bm(const MeshRenderData *mr,
BMEdge *eed,
const int ledge_index,
void *_data)
{
EditLoopData *data = (EditLoopData *)_data + mr->loop_len + (ledge_index * 2);
memset(data, 0x0, sizeof(*data) * 2);
mesh_render_data_edge_flag(mr, eed, &data[0]);
data[1] = data[0];
mesh_render_data_vert_flag(mr, eed->v1, &data[0]);
mesh_render_data_vert_flag(mr, eed->v2, &data[1]);
}
static void extract_edit_data_iter_ledge_mesh(const MeshRenderData *mr,
const MEdge *med,
const uint ledge_index,
void *_data)
{
EditLoopData *data = (EditLoopData *)_data + mr->loop_len + ledge_index * 2;
memset(data, 0x0, sizeof(*data) * 2);
const int e_index = mr->ledges[ledge_index];
BMEdge *eed = bm_original_edge_get(mr, e_index);
BMVert *eve1 = bm_original_vert_get(mr, med->v1);
BMVert *eve2 = bm_original_vert_get(mr, med->v2);
if (eed) {
mesh_render_data_edge_flag(mr, eed, &data[0]);
data[1] = data[0];
}
if (eve1) {
mesh_render_data_vert_flag(mr, eve1, &data[0]);
}
if (eve2) {
mesh_render_data_vert_flag(mr, eve2, &data[1]);
}
}
static void extract_edit_data_iter_lvert_bm(const MeshRenderData *mr,
BMVert *eve,
const int lvert_index,
void *_data)
{
const int offset = mr->loop_len + (mr->edge_loose_len * 2);
EditLoopData *data = (EditLoopData *)_data + offset + lvert_index;
memset(data, 0x0, sizeof(*data));
mesh_render_data_vert_flag(mr, eve, data);
}
static void extract_edit_data_iter_lvert_mesh(const MeshRenderData *mr,
const MVert *UNUSED(mv),
const int lvert_index,
void *_data)
{
const int offset = mr->loop_len + (mr->edge_loose_len * 2);
EditLoopData *data = (EditLoopData *)_data + offset + lvert_index;
memset(data, 0x0, sizeof(*data));
const int v_index = mr->lverts[lvert_index];
BMVert *eve = bm_original_vert_get(mr, v_index);
if (eve) {
mesh_render_data_vert_flag(mr, eve, data);
}
}
static const MeshExtract extract_edit_data = {
.init = extract_edit_data_init,
.iter_poly_bm = extract_edit_data_iter_poly_bm,
.iter_poly_mesh = extract_edit_data_iter_poly_mesh,
.iter_ledge_bm = extract_edit_data_iter_ledge_bm,
.iter_ledge_mesh = extract_edit_data_iter_ledge_mesh,
.iter_lvert_bm = extract_edit_data_iter_lvert_bm,
.iter_lvert_mesh = extract_edit_data_iter_lvert_mesh,
.data_flag = 0,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.edit_data)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Edit UV Data / Flags
* \{ */
typedef struct MeshExtract_EditUVData_Data {
EditLoopData *vbo_data;
int cd_ofs;
} MeshExtract_EditUVData_Data;
static void *extract_edituv_data_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
/* WARNING: Adjust #EditLoopData struct accordingly. */
GPU_vertformat_attr_add(&format, "data", GPU_COMP_U8, 4, GPU_FETCH_INT);
GPU_vertformat_alias_add(&format, "flag");
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len);
CustomData *cd_ldata = (mr->extract_type == MR_EXTRACT_BMESH) ? &mr->bm->ldata : &mr->me->ldata;
MeshExtract_EditUVData_Data *data = MEM_callocN(sizeof(*data), __func__);
data->vbo_data = (EditLoopData *)GPU_vertbuf_get_data(vbo);
data->cd_ofs = CustomData_get_offset(cd_ldata, CD_MLOOPUV);
return data;
}
static void extract_edituv_data_iter_poly_bm(const MeshRenderData *mr,
BMFace *f,
const int UNUSED(f_index),
void *_data)
{
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
MeshExtract_EditUVData_Data *data = _data;
EditLoopData *eldata = &data->vbo_data[l_index];
memset(eldata, 0x0, sizeof(*eldata));
mesh_render_data_loop_flag(mr, l_iter, data->cd_ofs, eldata);
mesh_render_data_face_flag(mr, f, data->cd_ofs, eldata);
mesh_render_data_loop_edge_flag(mr, l_iter, data->cd_ofs, eldata);
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_edituv_data_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int mp_index,
void *_data)
{
MeshExtract_EditUVData_Data *data = _data;
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
EditLoopData *eldata = &data->vbo_data[ml_index];
memset(eldata, 0x0, sizeof(*eldata));
BMFace *efa = bm_original_face_get(mr, mp_index);
if (efa) {
BMEdge *eed = bm_original_edge_get(mr, ml->e);
BMVert *eve = bm_original_vert_get(mr, ml->v);
if (eed && eve) {
/* Loop on an edge endpoint. */
BMLoop *l = BM_face_edge_share_loop(efa, eed);
mesh_render_data_loop_flag(mr, l, data->cd_ofs, eldata);
mesh_render_data_loop_edge_flag(mr, l, data->cd_ofs, eldata);
}
else {
if (eed == NULL) {
/* Find if the loop's vert is not part of an edit edge.
* For this, we check if the previous loop was on an edge. */
const int ml_index_last = mp->loopstart + mp->totloop - 1;
const int l_prev = (ml_index == mp->loopstart) ? ml_index_last : (ml_index - 1);
const MLoop *ml_prev = &mr->mloop[l_prev];
eed = bm_original_edge_get(mr, ml_prev->e);
}
if (eed) {
/* Mapped points on an edge between two edit verts. */
BMLoop *l = BM_face_edge_share_loop(efa, eed);
mesh_render_data_loop_edge_flag(mr, l, data->cd_ofs, eldata);
}
}
}
}
}
static void extract_edituv_data_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(buf),
void *data)
{
MEM_freeN(data);
}
static const MeshExtract extract_edituv_data = {
.init = extract_edituv_data_init,
.iter_poly_bm = extract_edituv_data_iter_poly_bm,
.iter_poly_mesh = extract_edituv_data_iter_poly_mesh,
.finish = extract_edituv_data_finish,
.data_flag = 0,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.edituv_data)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Edit UV area stretch
* \{ */
static void *extract_edituv_stretch_area_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "ratio", GPU_COMP_I16, 1, GPU_FETCH_INT_TO_FLOAT_UNIT);
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len);
return NULL;
}
BLI_INLINE float area_ratio_get(float area, float uvarea)
{
if (area >= FLT_EPSILON && uvarea >= FLT_EPSILON) {
/* Tag inversion by using the sign. */
return (area > uvarea) ? (uvarea / area) : -(area / uvarea);
}
return 0.0f;
}
BLI_INLINE float area_ratio_to_stretch(float ratio, float tot_ratio, float inv_tot_ratio)
{
ratio *= (ratio > 0.0f) ? tot_ratio : -inv_tot_ratio;
return (ratio > 1.0f) ? (1.0f / ratio) : ratio;
}
static void extract_edituv_stretch_area_finish(const MeshRenderData *mr,
struct MeshBatchCache *cache,
void *buf,
void *UNUSED(data))
{
GPUVertBuf *vbo = buf;
float tot_area = 0.0f, tot_uv_area = 0.0f;
float *area_ratio = MEM_mallocN(sizeof(float) * mr->poly_len, __func__);
if (mr->extract_type == MR_EXTRACT_BMESH) {
CustomData *cd_ldata = &mr->bm->ldata;
int uv_ofs = CustomData_get_offset(cd_ldata, CD_MLOOPUV);
BMFace *efa;
BMIter f_iter;
int f;
BM_ITER_MESH_INDEX (efa, &f_iter, mr->bm, BM_FACES_OF_MESH, f) {
float area = BM_face_calc_area(efa);
float uvarea = BM_face_calc_area_uv(efa, uv_ofs);
tot_area += area;
tot_uv_area += uvarea;
area_ratio[f] = area_ratio_get(area, uvarea);
}
}
else {
BLI_assert(ELEM(mr->extract_type, MR_EXTRACT_MAPPED, MR_EXTRACT_MESH));
const MLoopUV *uv_data = CustomData_get_layer(&mr->me->ldata, CD_MLOOPUV);
const MPoly *mp = mr->mpoly;
for (int mp_index = 0; mp_index < mr->poly_len; mp_index++, mp++) {
float area = BKE_mesh_calc_poly_area(mp, &mr->mloop[mp->loopstart], mr->mvert);
float uvarea = BKE_mesh_calc_poly_uv_area(mp, uv_data);
tot_area += area;
tot_uv_area += uvarea;
area_ratio[mp_index] = area_ratio_get(area, uvarea);
}
}
cache->tot_area = tot_area;
cache->tot_uv_area = tot_uv_area;
/* Convert in place to avoid an extra allocation */
uint16_t *poly_stretch = (uint16_t *)area_ratio;
for (int mp_index = 0; mp_index < mr->poly_len; mp_index++) {
poly_stretch[mp_index] = area_ratio[mp_index] * SHRT_MAX;
}
/* Copy face data for each loop. */
uint16_t *loop_stretch = (uint16_t *)GPU_vertbuf_get_data(vbo);
if (mr->extract_type == MR_EXTRACT_BMESH) {
BMFace *efa;
BMIter f_iter;
int f, l_index = 0;
BM_ITER_MESH_INDEX (efa, &f_iter, mr->bm, BM_FACES_OF_MESH, f) {
for (int i = 0; i < efa->len; i++, l_index++) {
loop_stretch[l_index] = poly_stretch[f];
}
}
}
else {
BLI_assert(ELEM(mr->extract_type, MR_EXTRACT_MAPPED, MR_EXTRACT_MESH));
const MPoly *mp = mr->mpoly;
for (int mp_index = 0, l_index = 0; mp_index < mr->poly_len; mp_index++, mp++) {
for (int i = 0; i < mp->totloop; i++, l_index++) {
loop_stretch[l_index] = poly_stretch[mp_index];
}
}
}
MEM_freeN(area_ratio);
}
static const MeshExtract extract_edituv_stretch_area = {
.init = extract_edituv_stretch_area_init,
.finish = extract_edituv_stretch_area_finish,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.edituv_stretch_area)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Edit UV angle stretch
* \{ */
typedef struct UVStretchAngle {
int16_t angle;
int16_t uv_angles[2];
} UVStretchAngle;
typedef struct MeshExtract_StretchAngle_Data {
UVStretchAngle *vbo_data;
MLoopUV *luv;
float auv[2][2], last_auv[2];
float av[2][3], last_av[3];
int cd_ofs;
} MeshExtract_StretchAngle_Data;
static void compute_normalize_edge_vectors(float auv[2][2],
float av[2][3],
const float uv[2],
const float uv_prev[2],
const float co[3],
const float co_prev[3])
{
/* Move previous edge. */
copy_v2_v2(auv[0], auv[1]);
copy_v3_v3(av[0], av[1]);
/* 2d edge */
sub_v2_v2v2(auv[1], uv_prev, uv);
normalize_v2(auv[1]);
/* 3d edge */
sub_v3_v3v3(av[1], co_prev, co);
normalize_v3(av[1]);
}
static short v2_to_short_angle(const float v[2])
{
return atan2f(v[1], v[0]) * (float)M_1_PI * SHRT_MAX;
}
static void edituv_get_edituv_stretch_angle(float auv[2][2],
const float av[2][3],
UVStretchAngle *r_stretch)
{
/* Send UV's to the shader and let it compute the aspect corrected angle. */
r_stretch->uv_angles[0] = v2_to_short_angle(auv[0]);
r_stretch->uv_angles[1] = v2_to_short_angle(auv[1]);
/* Compute 3D angle here. */
r_stretch->angle = angle_normalized_v3v3(av[0], av[1]) * (float)M_1_PI * SHRT_MAX;
#if 0 /* here for reference, this is done in shader now. */
float uvang = angle_normalized_v2v2(auv0, auv1);
float ang = angle_normalized_v3v3(av0, av1);
float stretch = fabsf(uvang - ang) / (float)M_PI;
return 1.0f - pow2f(1.0f - stretch);
#endif
}
static void *extract_edituv_stretch_angle_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
/* Waning: adjust #UVStretchAngle struct accordingly. */
GPU_vertformat_attr_add(&format, "angle", GPU_COMP_I16, 1, GPU_FETCH_INT_TO_FLOAT_UNIT);
GPU_vertformat_attr_add(&format, "uv_angles", GPU_COMP_I16, 2, GPU_FETCH_INT_TO_FLOAT_UNIT);
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len);
MeshExtract_StretchAngle_Data *data = MEM_callocN(sizeof(*data), __func__);
data->vbo_data = (UVStretchAngle *)GPU_vertbuf_get_data(vbo);
/* Special iterator needed to save about half of the computing cost. */
if (mr->extract_type == MR_EXTRACT_BMESH) {
data->cd_ofs = CustomData_get_offset(&mr->bm->ldata, CD_MLOOPUV);
}
else {
BLI_assert(ELEM(mr->extract_type, MR_EXTRACT_MAPPED, MR_EXTRACT_MESH));
data->luv = CustomData_get_layer(&mr->me->ldata, CD_MLOOPUV);
}
return data;
}
static void extract_edituv_stretch_angle_iter_poly_bm(const MeshRenderData *mr,
BMFace *f,
const int UNUSED(f_index),
void *_data)
{
MeshExtract_StretchAngle_Data *data = _data;
float(*auv)[2] = data->auv, *last_auv = data->last_auv;
float(*av)[3] = data->av, *last_av = data->last_av;
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
const MLoopUV *luv, *luv_next;
BMLoop *l_next = l_iter->next;
if (l_iter == BM_FACE_FIRST_LOOP(f)) {
/* First loop in face. */
BMLoop *l_tmp = l_iter->prev;
BMLoop *l_next_tmp = l_iter;
luv = BM_ELEM_CD_GET_VOID_P(l_tmp, data->cd_ofs);
luv_next = BM_ELEM_CD_GET_VOID_P(l_next_tmp, data->cd_ofs);
compute_normalize_edge_vectors(auv,
av,
luv->uv,
luv_next->uv,
bm_vert_co_get(mr, l_tmp->v),
bm_vert_co_get(mr, l_next_tmp->v));
/* Save last edge. */
copy_v2_v2(last_auv, auv[1]);
copy_v3_v3(last_av, av[1]);
}
if (l_next == BM_FACE_FIRST_LOOP(f)) {
/* Move previous edge. */
copy_v2_v2(auv[0], auv[1]);
copy_v3_v3(av[0], av[1]);
/* Copy already calculated last edge. */
copy_v2_v2(auv[1], last_auv);
copy_v3_v3(av[1], last_av);
}
else {
luv = BM_ELEM_CD_GET_VOID_P(l_iter, data->cd_ofs);
luv_next = BM_ELEM_CD_GET_VOID_P(l_next, data->cd_ofs);
compute_normalize_edge_vectors(auv,
av,
luv->uv,
luv_next->uv,
bm_vert_co_get(mr, l_iter->v),
bm_vert_co_get(mr, l_next->v));
}
edituv_get_edituv_stretch_angle(auv, av, &data->vbo_data[l_index]);
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_edituv_stretch_angle_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int UNUSED(mp_index),
void *_data)
{
MeshExtract_StretchAngle_Data *data = _data;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
float(*auv)[2] = data->auv, *last_auv = data->last_auv;
float(*av)[3] = data->av, *last_av = data->last_av;
int l_next = ml_index + 1;
const MVert *v, *v_next;
if (ml_index == mp->loopstart) {
/* First loop in face. */
const int ml_index_last = ml_index_end - 1;
const int l_next_tmp = mp->loopstart;
v = &mr->mvert[mr->mloop[ml_index_last].v];
v_next = &mr->mvert[mr->mloop[l_next_tmp].v];
compute_normalize_edge_vectors(
auv, av, data->luv[ml_index_last].uv, data->luv[l_next_tmp].uv, v->co, v_next->co);
/* Save last edge. */
copy_v2_v2(last_auv, auv[1]);
copy_v3_v3(last_av, av[1]);
}
if (l_next == ml_index_end) {
l_next = mp->loopstart;
/* Move previous edge. */
copy_v2_v2(auv[0], auv[1]);
copy_v3_v3(av[0], av[1]);
/* Copy already calculated last edge. */
copy_v2_v2(auv[1], last_auv);
copy_v3_v3(av[1], last_av);
}
else {
v = &mr->mvert[mr->mloop[ml_index].v];
v_next = &mr->mvert[mr->mloop[l_next].v];
compute_normalize_edge_vectors(
auv, av, data->luv[ml_index].uv, data->luv[l_next].uv, v->co, v_next->co);
}
edituv_get_edituv_stretch_angle(auv, av, &data->vbo_data[ml_index]);
}
}
static void extract_edituv_stretch_angle_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(buf),
void *data)
{
MEM_freeN(data);
}
static const MeshExtract extract_edituv_stretch_angle = {
.init = extract_edituv_stretch_angle_init,
.iter_poly_bm = extract_edituv_stretch_angle_iter_poly_bm,
.iter_poly_mesh = extract_edituv_stretch_angle_iter_poly_mesh,
.finish = extract_edituv_stretch_angle_finish,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.edituv_stretch_angle)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Edit Mesh Analysis Colors
* \{ */
static void *extract_mesh_analysis_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "weight", GPU_COMP_F32, 1, GPU_FETCH_FLOAT);
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len);
return NULL;
}
static void axis_from_enum_v3(float v[3], const char axis)
{
zero_v3(v);
if (axis < 3) {
v[axis] = 1.0f;
}
else {
v[axis - 3] = -1.0f;
}
}
BLI_INLINE float overhang_remap(float fac, float min, float max, float minmax_irange)
{
if (fac < min) {
fac = 1.0f;
}
else if (fac > max) {
fac = -1.0f;
}
else {
fac = (fac - min) * minmax_irange;
fac = 1.0f - fac;
CLAMP(fac, 0.0f, 1.0f);
}
return fac;
}
static void statvis_calc_overhang(const MeshRenderData *mr, float *r_overhang)
{
const MeshStatVis *statvis = &mr->toolsettings->statvis;
const float min = statvis->overhang_min / (float)M_PI;
const float max = statvis->overhang_max / (float)M_PI;
const char axis = statvis->overhang_axis;
BMEditMesh *em = mr->edit_bmesh;
BMIter iter;
BMesh *bm = em->bm;
BMFace *f;
float dir[3];
const float minmax_irange = 1.0f / (max - min);
BLI_assert(min <= max);
axis_from_enum_v3(dir, axis);
/* now convert into global space */
mul_transposed_mat3_m4_v3(mr->obmat, dir);
normalize_v3(dir);
if (mr->extract_type == MR_EXTRACT_BMESH) {
int l_index = 0;
BM_ITER_MESH (f, &iter, bm, BM_FACES_OF_MESH) {
float fac = angle_normalized_v3v3(bm_face_no_get(mr, f), dir) / (float)M_PI;
fac = overhang_remap(fac, min, max, minmax_irange);
for (int i = 0; i < f->len; i++, l_index++) {
r_overhang[l_index] = fac;
}
}
}
else {
const MPoly *mp = mr->mpoly;
for (int mp_index = 0, l_index = 0; mp_index < mr->poly_len; mp_index++, mp++) {
float fac = angle_normalized_v3v3(mr->poly_normals[mp_index], dir) / (float)M_PI;
fac = overhang_remap(fac, min, max, minmax_irange);
for (int i = 0; i < mp->totloop; i++, l_index++) {
r_overhang[l_index] = fac;
}
}
}
}
/**
* Needed so we can use jitter values for face interpolation.
*/
static void uv_from_jitter_v2(float uv[2])
{
uv[0] += 0.5f;
uv[1] += 0.5f;
if (uv[0] + uv[1] > 1.0f) {
uv[0] = 1.0f - uv[0];
uv[1] = 1.0f - uv[1];
}
clamp_v2(uv, 0.0f, 1.0f);
}
BLI_INLINE float thickness_remap(float fac, float min, float max, float minmax_irange)
{
/* important not '<=' */
if (fac < max) {
fac = (fac - min) * minmax_irange;
fac = 1.0f - fac;
CLAMP(fac, 0.0f, 1.0f);
}
else {
fac = -1.0f;
}
return fac;
}
static void statvis_calc_thickness(const MeshRenderData *mr, float *r_thickness)
{
const float eps_offset = 0.00002f; /* values <= 0.00001 give errors */
/* cheating to avoid another allocation */
float *face_dists = r_thickness + (mr->loop_len - mr->poly_len);
BMEditMesh *em = mr->edit_bmesh;
const float scale = 1.0f / mat4_to_scale(mr->obmat);
const MeshStatVis *statvis = &mr->toolsettings->statvis;
const float min = statvis->thickness_min * scale;
const float max = statvis->thickness_max * scale;
const float minmax_irange = 1.0f / (max - min);
const int samples = statvis->thickness_samples;
float jit_ofs[32][2];
BLI_assert(samples <= 32);
BLI_assert(min <= max);
copy_vn_fl(face_dists, mr->poly_len, max);
BLI_jitter_init(jit_ofs, samples);
for (int j = 0; j < samples; j++) {
uv_from_jitter_v2(jit_ofs[j]);
}
if (mr->extract_type == MR_EXTRACT_BMESH) {
BMesh *bm = em->bm;
BM_mesh_elem_index_ensure(bm, BM_FACE);
struct BMBVHTree *bmtree = BKE_bmbvh_new_from_editmesh(em, 0, NULL, false);
struct BMLoop *(*looptris)[3] = em->looptris;
for (int i = 0; i < mr->tri_len; i++) {
BMLoop **ltri = looptris[i];
const int index = BM_elem_index_get(ltri[0]->f);
const float *cos[3] = {
bm_vert_co_get(mr, ltri[0]->v),
bm_vert_co_get(mr, ltri[1]->v),
bm_vert_co_get(mr, ltri[2]->v),
};
float ray_co[3];
float ray_no[3];
normal_tri_v3(ray_no, cos[2], cos[1], cos[0]);
for (int j = 0; j < samples; j++) {
float dist = face_dists[index];
interp_v3_v3v3v3_uv(ray_co, cos[0], cos[1], cos[2], jit_ofs[j]);
madd_v3_v3fl(ray_co, ray_no, eps_offset);
BMFace *f_hit = BKE_bmbvh_ray_cast(bmtree, ray_co, ray_no, 0.0f, &dist, NULL, NULL);
if (f_hit && dist < face_dists[index]) {
float angle_fac = fabsf(
dot_v3v3(bm_face_no_get(mr, ltri[0]->f), bm_face_no_get(mr, f_hit)));
angle_fac = 1.0f - angle_fac;
angle_fac = angle_fac * angle_fac * angle_fac;
angle_fac = 1.0f - angle_fac;
dist /= angle_fac;
if (dist < face_dists[index]) {
face_dists[index] = dist;
}
}
}
}
BKE_bmbvh_free(bmtree);
BMIter iter;
BMFace *f;
int l_index = 0;
BM_ITER_MESH (f, &iter, bm, BM_FACES_OF_MESH) {
float fac = face_dists[BM_elem_index_get(f)];
fac = thickness_remap(fac, min, max, minmax_irange);
for (int i = 0; i < f->len; i++, l_index++) {
r_thickness[l_index] = fac;
}
}
}
else {
BVHTreeFromMesh treeData = {NULL};
BVHTree *tree = BKE_bvhtree_from_mesh_get(&treeData, mr->me, BVHTREE_FROM_LOOPTRI, 4);
const MLoopTri *mlooptri = mr->mlooptri;
for (int i = 0; i < mr->tri_len; i++, mlooptri++) {
const int index = mlooptri->poly;
const float *cos[3] = {mr->mvert[mr->mloop[mlooptri->tri[0]].v].co,
mr->mvert[mr->mloop[mlooptri->tri[1]].v].co,
mr->mvert[mr->mloop[mlooptri->tri[2]].v].co};
float ray_co[3];
float ray_no[3];
normal_tri_v3(ray_no, cos[2], cos[1], cos[0]);
for (int j = 0; j < samples; j++) {
interp_v3_v3v3v3_uv(ray_co, cos[0], cos[1], cos[2], jit_ofs[j]);
madd_v3_v3fl(ray_co, ray_no, eps_offset);
BVHTreeRayHit hit;
hit.index = -1;
hit.dist = face_dists[index];
if ((BLI_bvhtree_ray_cast(
tree, ray_co, ray_no, 0.0f, &hit, treeData.raycast_callback, &treeData) != -1) &&
hit.dist < face_dists[index]) {
float angle_fac = fabsf(dot_v3v3(mr->poly_normals[index], hit.no));
angle_fac = 1.0f - angle_fac;
angle_fac = angle_fac * angle_fac * angle_fac;
angle_fac = 1.0f - angle_fac;
hit.dist /= angle_fac;
if (hit.dist < face_dists[index]) {
face_dists[index] = hit.dist;
}
}
}
}
const MPoly *mp = mr->mpoly;
for (int mp_index = 0, l_index = 0; mp_index < mr->poly_len; mp_index++, mp++) {
float fac = face_dists[mp_index];
fac = thickness_remap(fac, min, max, minmax_irange);
for (int i = 0; i < mp->totloop; i++, l_index++) {
r_thickness[l_index] = fac;
}
}
}
}
struct BVHTree_OverlapData {
const Mesh *me;
const MLoopTri *mlooptri;
float epsilon;
};
static bool bvh_overlap_cb(void *userdata, int index_a, int index_b, int UNUSED(thread))
{
struct BVHTree_OverlapData *data = userdata;
const Mesh *me = data->me;
const MLoopTri *tri_a = &data->mlooptri[index_a];
const MLoopTri *tri_b = &data->mlooptri[index_b];
if (UNLIKELY(tri_a->poly == tri_b->poly)) {
return false;
}
const float *tri_a_co[3] = {me->mvert[me->mloop[tri_a->tri[0]].v].co,
me->mvert[me->mloop[tri_a->tri[1]].v].co,
me->mvert[me->mloop[tri_a->tri[2]].v].co};
const float *tri_b_co[3] = {me->mvert[me->mloop[tri_b->tri[0]].v].co,
me->mvert[me->mloop[tri_b->tri[1]].v].co,
me->mvert[me->mloop[tri_b->tri[2]].v].co};
float ix_pair[2][3];
int verts_shared = 0;
verts_shared = (ELEM(tri_a_co[0], UNPACK3(tri_b_co)) + ELEM(tri_a_co[1], UNPACK3(tri_b_co)) +
ELEM(tri_a_co[2], UNPACK3(tri_b_co)));
/* if 2 points are shared, bail out */
if (verts_shared >= 2) {
return false;
}
return (isect_tri_tri_v3(UNPACK3(tri_a_co), UNPACK3(tri_b_co), ix_pair[0], ix_pair[1]) &&
/* if we share a vertex, check the intersection isn't a 'point' */
((verts_shared == 0) || (len_squared_v3v3(ix_pair[0], ix_pair[1]) > data->epsilon)));
}
static void statvis_calc_intersect(const MeshRenderData *mr, float *r_intersect)
{
BMEditMesh *em = mr->edit_bmesh;
for (int l_index = 0; l_index < mr->loop_len; l_index++) {
r_intersect[l_index] = -1.0f;
}
if (mr->extract_type == MR_EXTRACT_BMESH) {
uint overlap_len;
BMesh *bm = em->bm;
BM_mesh_elem_index_ensure(bm, BM_FACE);
struct BMBVHTree *bmtree = BKE_bmbvh_new_from_editmesh(em, 0, NULL, false);
BVHTreeOverlap *overlap = BKE_bmbvh_overlap_self(bmtree, &overlap_len);
if (overlap) {
for (int i = 0; i < overlap_len; i++) {
BMFace *f_hit_pair[2] = {
em->looptris[overlap[i].indexA][0]->f,
em->looptris[overlap[i].indexB][0]->f,
};
for (int j = 0; j < 2; j++) {
BMFace *f_hit = f_hit_pair[j];
BMLoop *l_first = BM_FACE_FIRST_LOOP(f_hit);
int l_index = BM_elem_index_get(l_first);
for (int k = 0; k < f_hit->len; k++, l_index++) {
r_intersect[l_index] = 1.0f;
}
}
}
MEM_freeN(overlap);
}
BKE_bmbvh_free(bmtree);
}
else {
uint overlap_len;
BVHTreeFromMesh treeData = {NULL};
BVHTree *tree = BKE_bvhtree_from_mesh_get(&treeData, mr->me, BVHTREE_FROM_LOOPTRI, 4);
struct BVHTree_OverlapData data = {
.me = mr->me, .mlooptri = mr->mlooptri, .epsilon = BLI_bvhtree_get_epsilon(tree)};
BVHTreeOverlap *overlap = BLI_bvhtree_overlap(tree, tree, &overlap_len, bvh_overlap_cb, &data);
if (overlap) {
for (int i = 0; i < overlap_len; i++) {
const MPoly *f_hit_pair[2] = {
&mr->mpoly[mr->mlooptri[overlap[i].indexA].poly],
&mr->mpoly[mr->mlooptri[overlap[i].indexB].poly],
};
for (int j = 0; j < 2; j++) {
const MPoly *f_hit = f_hit_pair[j];
int l_index = f_hit->loopstart;
for (int k = 0; k < f_hit->totloop; k++, l_index++) {
r_intersect[l_index] = 1.0f;
}
}
}
MEM_freeN(overlap);
}
}
}
BLI_INLINE float distort_remap(float fac, float min, float UNUSED(max), float minmax_irange)
{
if (fac >= min) {
fac = (fac - min) * minmax_irange;
CLAMP(fac, 0.0f, 1.0f);
}
else {
/* fallback */
fac = -1.0f;
}
return fac;
}
static void statvis_calc_distort(const MeshRenderData *mr, float *r_distort)
{
BMEditMesh *em = mr->edit_bmesh;
const MeshStatVis *statvis = &mr->toolsettings->statvis;
const float min = statvis->distort_min;
const float max = statvis->distort_max;
const float minmax_irange = 1.0f / (max - min);
if (mr->extract_type == MR_EXTRACT_BMESH) {
BMIter iter;
BMesh *bm = em->bm;
BMFace *f;
if (mr->bm_vert_coords != NULL) {
BKE_editmesh_cache_ensure_poly_normals(em, mr->edit_data);
/* Most likely this is already valid, ensure just in case.
* Needed for #BM_loop_calc_face_normal_safe_vcos. */
BM_mesh_elem_index_ensure(em->bm, BM_VERT);
}
int l_index = 0;
int f_index = 0;
BM_ITER_MESH_INDEX (f, &iter, bm, BM_FACES_OF_MESH, f_index) {
float fac = -1.0f;
if (f->len > 3) {
BMLoop *l_iter, *l_first;
fac = 0.0f;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const float *no_face;
float no_corner[3];
if (mr->bm_vert_coords != NULL) {
no_face = mr->bm_poly_normals[f_index];
BM_loop_calc_face_normal_safe_vcos(l_iter, no_face, mr->bm_vert_coords, no_corner);
}
else {
no_face = f->no;
BM_loop_calc_face_normal_safe(l_iter, no_corner);
}
/* simple way to detect (what is most likely) concave */
if (dot_v3v3(no_face, no_corner) < 0.0f) {
negate_v3(no_corner);
}
fac = max_ff(fac, angle_normalized_v3v3(no_face, no_corner));
} while ((l_iter = l_iter->next) != l_first);
fac *= 2.0f;
}
fac = distort_remap(fac, min, max, minmax_irange);
for (int i = 0; i < f->len; i++, l_index++) {
r_distort[l_index] = fac;
}
}
}
else {
const MPoly *mp = mr->mpoly;
for (int mp_index = 0, l_index = 0; mp_index < mr->poly_len; mp_index++, mp++) {
float fac = -1.0f;
if (mp->totloop > 3) {
float *f_no = mr->poly_normals[mp_index];
fac = 0.0f;
for (int i = 1; i <= mp->totloop; i++) {
const MLoop *l_prev = &mr->mloop[mp->loopstart + (i - 1) % mp->totloop];
const MLoop *l_curr = &mr->mloop[mp->loopstart + (i + 0) % mp->totloop];
const MLoop *l_next = &mr->mloop[mp->loopstart + (i + 1) % mp->totloop];
float no_corner[3];
normal_tri_v3(no_corner,
mr->mvert[l_prev->v].co,
mr->mvert[l_curr->v].co,
mr->mvert[l_next->v].co);
/* simple way to detect (what is most likely) concave */
if (dot_v3v3(f_no, no_corner) < 0.0f) {
negate_v3(no_corner);
}
fac = max_ff(fac, angle_normalized_v3v3(f_no, no_corner));
}
fac *= 2.0f;
}
fac = distort_remap(fac, min, max, minmax_irange);
for (int i = 0; i < mp->totloop; i++, l_index++) {
r_distort[l_index] = fac;
}
}
}
}
BLI_INLINE float sharp_remap(float fac, float min, float UNUSED(max), float minmax_irange)
{
/* important not '>=' */
if (fac > min) {
fac = (fac - min) * minmax_irange;
CLAMP(fac, 0.0f, 1.0f);
}
else {
/* fallback */
fac = -1.0f;
}
return fac;
}
static void statvis_calc_sharp(const MeshRenderData *mr, float *r_sharp)
{
BMEditMesh *em = mr->edit_bmesh;
const MeshStatVis *statvis = &mr->toolsettings->statvis;
const float min = statvis->sharp_min;
const float max = statvis->sharp_max;
const float minmax_irange = 1.0f / (max - min);
/* Can we avoid this extra allocation? */
float *vert_angles = MEM_mallocN(sizeof(float) * mr->vert_len, __func__);
copy_vn_fl(vert_angles, mr->vert_len, -M_PI);
if (mr->extract_type == MR_EXTRACT_BMESH) {
BMIter iter;
BMesh *bm = em->bm;
BMFace *efa;
BMEdge *e;
/* first assign float values to verts */
BM_ITER_MESH (e, &iter, bm, BM_EDGES_OF_MESH) {
float angle = BM_edge_calc_face_angle_signed(e);
float *col1 = &vert_angles[BM_elem_index_get(e->v1)];
float *col2 = &vert_angles[BM_elem_index_get(e->v2)];
*col1 = max_ff(*col1, angle);
*col2 = max_ff(*col2, angle);
}
/* Copy vert value to loops. */
BM_ITER_MESH (efa, &iter, bm, BM_FACES_OF_MESH) {
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(efa);
do {
int l_index = BM_elem_index_get(l_iter);
int v_index = BM_elem_index_get(l_iter->v);
r_sharp[l_index] = sharp_remap(vert_angles[v_index], min, max, minmax_irange);
} while ((l_iter = l_iter->next) != l_first);
}
}
else {
/* first assign float values to verts */
const MPoly *mp = mr->mpoly;
EdgeHash *eh = BLI_edgehash_new_ex(__func__, mr->edge_len);
for (int mp_index = 0; mp_index < mr->poly_len; mp_index++, mp++) {
for (int i = 0; i < mp->totloop; i++) {
const MLoop *l_curr = &mr->mloop[mp->loopstart + (i + 0) % mp->totloop];
const MLoop *l_next = &mr->mloop[mp->loopstart + (i + 1) % mp->totloop];
const MVert *v_curr = &mr->mvert[l_curr->v];
const MVert *v_next = &mr->mvert[l_next->v];
float angle;
void **pval;
bool value_is_init = BLI_edgehash_ensure_p(eh, l_curr->v, l_next->v, &pval);
if (!value_is_init) {
*pval = mr->poly_normals[mp_index];
/* non-manifold edge, yet... */
continue;
}
if (*pval != NULL) {
const float *f1_no = mr->poly_normals[mp_index];
const float *f2_no = *pval;
angle = angle_normalized_v3v3(f1_no, f2_no);
angle = is_edge_convex_v3(v_curr->co, v_next->co, f1_no, f2_no) ? angle : -angle;
/* Tag as manifold. */
*pval = NULL;
}
else {
/* non-manifold edge */
angle = DEG2RADF(90.0f);
}
float *col1 = &vert_angles[l_curr->v];
float *col2 = &vert_angles[l_next->v];
*col1 = max_ff(*col1, angle);
*col2 = max_ff(*col2, angle);
}
}
/* Remaining non manifold edges. */
EdgeHashIterator *ehi = BLI_edgehashIterator_new(eh);
for (; !BLI_edgehashIterator_isDone(ehi); BLI_edgehashIterator_step(ehi)) {
if (BLI_edgehashIterator_getValue(ehi) != NULL) {
uint v1, v2;
const float angle = DEG2RADF(90.0f);
BLI_edgehashIterator_getKey(ehi, &v1, &v2);
float *col1 = &vert_angles[v1];
float *col2 = &vert_angles[v2];
*col1 = max_ff(*col1, angle);
*col2 = max_ff(*col2, angle);
}
}
BLI_edgehashIterator_free(ehi);
BLI_edgehash_free(eh, NULL);
const MLoop *ml = mr->mloop;
for (int l_index = 0; l_index < mr->loop_len; l_index++, ml++) {
r_sharp[l_index] = sharp_remap(vert_angles[ml->v], min, max, minmax_irange);
}
}
MEM_freeN(vert_angles);
}
static void extract_analysis_iter_finish_mesh(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf,
void *UNUSED(data))
{
GPUVertBuf *vbo = buf;
BLI_assert(mr->edit_bmesh);
float *l_weight = (float *)GPU_vertbuf_get_data(vbo);
switch (mr->toolsettings->statvis.type) {
case SCE_STATVIS_OVERHANG:
statvis_calc_overhang(mr, l_weight);
break;
case SCE_STATVIS_THICKNESS:
statvis_calc_thickness(mr, l_weight);
break;
case SCE_STATVIS_INTERSECT:
statvis_calc_intersect(mr, l_weight);
break;
case SCE_STATVIS_DISTORT:
statvis_calc_distort(mr, l_weight);
break;
case SCE_STATVIS_SHARP:
statvis_calc_sharp(mr, l_weight);
break;
}
}
static const MeshExtract extract_mesh_analysis = {
.init = extract_mesh_analysis_init,
.finish = extract_analysis_iter_finish_mesh,
/* This is not needed for all visualization types.
* * Maybe split into different extract. */
.data_flag = MR_DATA_POLY_NOR | MR_DATA_LOOPTRI,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.mesh_analysis)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Facedots positions
* \{ */
static void *extract_fdots_pos_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->poly_len);
return GPU_vertbuf_get_data(vbo);
}
static void extract_fdots_pos_iter_poly_bm(const MeshRenderData *mr,
BMFace *f,
const int f_index,
void *data)
{
float(*center)[3] = data;
float *co = center[f_index];
zero_v3(co);
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
add_v3_v3(co, bm_vert_co_get(mr, l_iter->v));
} while ((l_iter = l_iter->next) != l_first);
mul_v3_fl(co, 1.0f / (float)f->len);
}
static void extract_fdots_pos_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int mp_index,
void *data)
{
float(*center)[3] = (float(*)[3])data;
float *co = center[mp_index];
zero_v3(co);
const MVert *mvert = mr->mvert;
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
if (mr->use_subsurf_fdots) {
const MVert *mv = &mr->mvert[ml->v];
if (mv->flag & ME_VERT_FACEDOT) {
copy_v3_v3(center[mp_index], mv->co);
break;
}
}
else {
const MVert *mv = &mvert[ml->v];
add_v3_v3(center[mp_index], mv->co);
}
}
if (!mr->use_subsurf_fdots) {
mul_v3_fl(co, 1.0f / (float)mp->totloop);
}
}
static const MeshExtract extract_fdots_pos = {
.init = extract_fdots_pos_init,
.iter_poly_bm = extract_fdots_pos_iter_poly_bm,
.iter_poly_mesh = extract_fdots_pos_iter_poly_mesh,
.data_flag = 0,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.fdots_pos)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Facedots Normal and edit flag
* \{ */
#define NOR_AND_FLAG_DEFAULT 0
#define NOR_AND_FLAG_SELECT 1
#define NOR_AND_FLAG_ACTIVE -1
#define NOR_AND_FLAG_HIDDEN -2
static void *extract_fdots_nor_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "norAndFlag", GPU_COMP_I10, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->poly_len);
return NULL;
}
static void extract_fdots_nor_finish(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf,
void *UNUSED(data))
{
GPUVertBuf *vbo = buf;
static float invalid_normal[3] = {0.0f, 0.0f, 0.0f};
GPUPackedNormal *nor = (GPUPackedNormal *)GPU_vertbuf_get_data(vbo);
BMFace *efa;
/* Quicker than doing it for each loop. */
if (mr->extract_type == MR_EXTRACT_BMESH) {
for (int f = 0; f < mr->poly_len; f++) {
efa = BM_face_at_index(mr->bm, f);
const bool is_face_hidden = BM_elem_flag_test(efa, BM_ELEM_HIDDEN);
if (is_face_hidden || (mr->extract_type == MR_EXTRACT_MAPPED && mr->p_origindex &&
mr->p_origindex[f] == ORIGINDEX_NONE)) {
nor[f] = GPU_normal_convert_i10_v3(invalid_normal);
nor[f].w = NOR_AND_FLAG_HIDDEN;
}
else {
nor[f] = GPU_normal_convert_i10_v3(bm_face_no_get(mr, efa));
/* Select / Active Flag. */
nor[f].w = (BM_elem_flag_test(efa, BM_ELEM_SELECT) ?
((efa == mr->efa_act) ? NOR_AND_FLAG_ACTIVE : NOR_AND_FLAG_SELECT) :
NOR_AND_FLAG_DEFAULT);
}
}
}
else {
for (int f = 0; f < mr->poly_len; f++) {
efa = bm_original_face_get(mr, f);
const bool is_face_hidden = efa && BM_elem_flag_test(efa, BM_ELEM_HIDDEN);
if (is_face_hidden || (mr->extract_type == MR_EXTRACT_MAPPED && mr->p_origindex &&
mr->p_origindex[f] == ORIGINDEX_NONE)) {
nor[f] = GPU_normal_convert_i10_v3(invalid_normal);
nor[f].w = NOR_AND_FLAG_HIDDEN;
}
else {
nor[f] = GPU_normal_convert_i10_v3(bm_face_no_get(mr, efa));
/* Select / Active Flag. */
nor[f].w = (BM_elem_flag_test(efa, BM_ELEM_SELECT) ?
((efa == mr->efa_act) ? NOR_AND_FLAG_ACTIVE : NOR_AND_FLAG_SELECT) :
NOR_AND_FLAG_DEFAULT);
}
}
}
}
static const MeshExtract extract_fdots_nor = {
.init = extract_fdots_nor_init,
.finish = extract_fdots_nor_finish,
.data_flag = MR_DATA_POLY_NOR,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.fdots_nor)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Facedots High Quality Normal and edit flag
* \{ */
static void *extract_fdots_nor_hq_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "norAndFlag", GPU_COMP_I16, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->poly_len);
return NULL;
}
static void extract_fdots_nor_hq_finish(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf,
void *UNUSED(data))
{
GPUVertBuf *vbo = buf;
static float invalid_normal[3] = {0.0f, 0.0f, 0.0f};
short *nor = (short *)GPU_vertbuf_get_data(vbo);
BMFace *efa;
/* Quicker than doing it for each loop. */
if (mr->extract_type == MR_EXTRACT_BMESH) {
for (int f = 0; f < mr->poly_len; f++) {
efa = BM_face_at_index(mr->bm, f);
const bool is_face_hidden = BM_elem_flag_test(efa, BM_ELEM_HIDDEN);
if (is_face_hidden || (mr->extract_type == MR_EXTRACT_MAPPED && mr->p_origindex &&
mr->p_origindex[f] == ORIGINDEX_NONE)) {
normal_float_to_short_v3(&nor[f * 4], invalid_normal);
nor[f * 4 + 3] = NOR_AND_FLAG_HIDDEN;
}
else {
normal_float_to_short_v3(&nor[f * 4], bm_face_no_get(mr, efa));
/* Select / Active Flag. */
nor[f * 4 + 3] = (BM_elem_flag_test(efa, BM_ELEM_SELECT) ?
((efa == mr->efa_act) ? NOR_AND_FLAG_ACTIVE : NOR_AND_FLAG_SELECT) :
NOR_AND_FLAG_DEFAULT);
}
}
}
else {
for (int f = 0; f < mr->poly_len; f++) {
efa = bm_original_face_get(mr, f);
const bool is_face_hidden = efa && BM_elem_flag_test(efa, BM_ELEM_HIDDEN);
if (is_face_hidden || (mr->extract_type == MR_EXTRACT_MAPPED && mr->p_origindex &&
mr->p_origindex[f] == ORIGINDEX_NONE)) {
normal_float_to_short_v3(&nor[f * 4], invalid_normal);
nor[f * 4 + 3] = NOR_AND_FLAG_HIDDEN;
}
else {
normal_float_to_short_v3(&nor[f * 4], bm_face_no_get(mr, efa));
/* Select / Active Flag. */
nor[f * 4 + 3] = (BM_elem_flag_test(efa, BM_ELEM_SELECT) ?
((efa == mr->efa_act) ? NOR_AND_FLAG_ACTIVE : NOR_AND_FLAG_SELECT) :
NOR_AND_FLAG_DEFAULT);
}
}
}
}
static const MeshExtract extract_fdots_nor_hq = {
.init = extract_fdots_nor_hq_init,
.finish = extract_fdots_nor_hq_finish,
.data_flag = MR_DATA_POLY_NOR,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.fdots_nor)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Facedots UV
* \{ */
typedef struct MeshExtract_FdotUV_Data {
float (*vbo_data)[2];
MLoopUV *uv_data;
int cd_ofs;
} MeshExtract_FdotUV_Data;
static void *extract_fdots_uv_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "u", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
GPU_vertformat_alias_add(&format, "au");
GPU_vertformat_alias_add(&format, "pos");
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->poly_len);
if (!mr->use_subsurf_fdots) {
/* Clear so we can accumulate on it. */
memset(GPU_vertbuf_get_data(vbo), 0x0, mr->poly_len * GPU_vertbuf_get_format(vbo)->stride);
}
MeshExtract_FdotUV_Data *data = MEM_callocN(sizeof(*data), __func__);
data->vbo_data = (float(*)[2])GPU_vertbuf_get_data(vbo);
if (mr->extract_type == MR_EXTRACT_BMESH) {
data->cd_ofs = CustomData_get_offset(&mr->bm->ldata, CD_MLOOPUV);
}
else {
data->uv_data = CustomData_get_layer(&mr->me->ldata, CD_MLOOPUV);
}
return data;
}
static void extract_fdots_uv_iter_poly_bm(const MeshRenderData *UNUSED(mr),
BMFace *f,
const int UNUSED(f_index),
void *_data)
{
MeshExtract_FdotUV_Data *data = _data;
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
float w = 1.0f / (float)f->len;
const MLoopUV *luv = BM_ELEM_CD_GET_VOID_P(l_iter, data->cd_ofs);
madd_v2_v2fl(data->vbo_data[BM_elem_index_get(f)], luv->uv, w);
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_fdots_uv_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int mp_index,
void *_data)
{
MeshExtract_FdotUV_Data *data = _data;
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
if (mr->use_subsurf_fdots) {
const MVert *mv = &mr->mvert[ml->v];
if (mv->flag & ME_VERT_FACEDOT) {
copy_v2_v2(data->vbo_data[mp_index], data->uv_data[ml_index].uv);
}
}
else {
float w = 1.0f / (float)mp->totloop;
madd_v2_v2fl(data->vbo_data[mp_index], data->uv_data[ml_index].uv, w);
}
}
}
static void extract_fdots_uv_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(buf),
void *data)
{
MEM_freeN(data);
}
static const MeshExtract extract_fdots_uv = {
.init = extract_fdots_uv_init,
.iter_poly_bm = extract_fdots_uv_iter_poly_bm,
.iter_poly_mesh = extract_fdots_uv_iter_poly_mesh,
.finish = extract_fdots_uv_finish,
.data_flag = 0,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.fdots_uv)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Facedots Edit UV flag
* \{ */
typedef struct MeshExtract_EditUVFdotData_Data {
EditLoopData *vbo_data;
int cd_ofs;
} MeshExtract_EditUVFdotData_Data;
static void *extract_fdots_edituv_data_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "flag", GPU_COMP_U8, 4, GPU_FETCH_INT);
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->poly_len);
MeshExtract_EditUVFdotData_Data *data = MEM_callocN(sizeof(*data), __func__);
data->vbo_data = (EditLoopData *)GPU_vertbuf_get_data(vbo);
data->cd_ofs = CustomData_get_offset(&mr->bm->ldata, CD_MLOOPUV);
return data;
}
static void extract_fdots_edituv_data_iter_poly_bm(const MeshRenderData *mr,
BMFace *f,
const int UNUSED(f_index),
void *_data)
{
MeshExtract_EditUVFdotData_Data *data = _data;
EditLoopData *eldata = &data->vbo_data[BM_elem_index_get(f)];
memset(eldata, 0x0, sizeof(*eldata));
mesh_render_data_face_flag(mr, f, data->cd_ofs, eldata);
}
static void extract_fdots_edituv_data_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *UNUSED(mp),
const int mp_index,
void *_data)
{
MeshExtract_EditUVFdotData_Data *data = _data;
EditLoopData *eldata = &data->vbo_data[mp_index];
memset(eldata, 0x0, sizeof(*eldata));
BMFace *efa = bm_original_face_get(mr, mp_index);
if (efa) {
mesh_render_data_face_flag(mr, efa, data->cd_ofs, eldata);
}
}
static void extract_fdots_edituv_data_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(buf),
void *data)
{
MEM_freeN(data);
}
static const MeshExtract extract_fdots_edituv_data = {
.init = extract_fdots_edituv_data_init,
.iter_poly_bm = extract_fdots_edituv_data_iter_poly_bm,
.iter_poly_mesh = extract_fdots_edituv_data_iter_poly_mesh,
.finish = extract_fdots_edituv_data_finish,
.data_flag = 0,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.fdots_edituv_data)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Skin Modifier Roots
* \{ */
typedef struct SkinRootData {
float size;
float local_pos[3];
} SkinRootData;
static void *extract_skin_roots_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
/* Exclusively for edit mode. */
BLI_assert(mr->bm);
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "size", GPU_COMP_F32, 1, GPU_FETCH_FLOAT);
GPU_vertformat_attr_add(&format, "local_pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->bm->totvert);
SkinRootData *vbo_data = (SkinRootData *)GPU_vertbuf_get_data(vbo);
int root_len = 0;
int cd_ofs = CustomData_get_offset(&mr->bm->vdata, CD_MVERT_SKIN);
BMIter iter;
BMVert *eve;
BM_ITER_MESH (eve, &iter, mr->bm, BM_VERTS_OF_MESH) {
const MVertSkin *vs = BM_ELEM_CD_GET_VOID_P(eve, cd_ofs);
if (vs->flag & MVERT_SKIN_ROOT) {
vbo_data->size = (vs->radius[0] + vs->radius[1]) * 0.5f;
copy_v3_v3(vbo_data->local_pos, bm_vert_co_get(mr, eve));
vbo_data++;
root_len++;
}
}
/* It's really unlikely that all verts will be roots. Resize to avoid losing VRAM. */
GPU_vertbuf_data_len_set(vbo, root_len);
return NULL;
}
static const MeshExtract extract_skin_roots = {
.init = extract_skin_roots_init,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.skin_roots)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Selection Index
* \{ */
static void *extract_select_idx_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
/* TODO rename "color" to something more descriptive. */
GPU_vertformat_attr_add(&format, "color", GPU_COMP_U32, 1, GPU_FETCH_INT);
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len + mr->loop_loose_len);
return GPU_vertbuf_get_data(vbo);
}
/* TODO Use #glVertexID to get loop index and use the data structure on the CPU to retrieve the
* select element associated with this loop ID. This would remove the need for this separate
* index VBO's. We could upload the p/e/v_origindex as a buffer texture and sample it inside the
* shader to output original index. */
static void extract_poly_idx_iter_poly_bm(const MeshRenderData *UNUSED(mr),
BMFace *f,
const int f_index,
void *data)
{
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
((uint32_t *)data)[l_index] = f_index;
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_edge_idx_iter_poly_bm(const MeshRenderData *UNUSED(mr),
BMFace *f,
const int UNUSED(f_index),
void *data)
{
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
((uint32_t *)data)[l_index] = BM_elem_index_get(l_iter->e);
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_vert_idx_iter_poly_bm(const MeshRenderData *UNUSED(mr),
BMFace *f,
const int UNUSED(f_index),
void *data)
{
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
((uint32_t *)data)[l_index] = BM_elem_index_get(l_iter->v);
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_edge_idx_iter_ledge_bm(const MeshRenderData *mr,
BMEdge *eed,
const int ledge_index,
void *data)
{
((uint32_t *)data)[mr->loop_len + ledge_index * 2 + 0] = BM_elem_index_get(eed);
((uint32_t *)data)[mr->loop_len + ledge_index * 2 + 1] = BM_elem_index_get(eed);
}
static void extract_vert_idx_iter_ledge_bm(const MeshRenderData *mr,
BMEdge *eed,
const int ledge_index,
void *data)
{
((uint32_t *)data)[mr->loop_len + ledge_index * 2 + 0] = BM_elem_index_get(eed->v1);
((uint32_t *)data)[mr->loop_len + ledge_index * 2 + 1] = BM_elem_index_get(eed->v2);
}
static void extract_vert_idx_iter_lvert_bm(const MeshRenderData *mr,
BMVert *eve,
const int lvert_index,
void *data)
{
const int offset = mr->loop_len + (mr->edge_loose_len * 2);
((uint32_t *)data)[offset + lvert_index] = BM_elem_index_get(eve);
}
static void extract_poly_idx_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int mp_index,
void *data)
{
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
((uint32_t *)data)[ml_index] = (mr->p_origindex) ? mr->p_origindex[mp_index] : mp_index;
}
}
static void extract_edge_idx_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int UNUSED(mp_index),
void *data)
{
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
((uint32_t *)data)[ml_index] = (mr->e_origindex) ? mr->e_origindex[ml->e] : ml->e;
}
}
static void extract_vert_idx_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int UNUSED(mp_index),
void *data)
{
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
((uint32_t *)data)[ml_index] = (mr->v_origindex) ? mr->v_origindex[ml->v] : ml->v;
}
}
static void extract_edge_idx_iter_ledge_mesh(const MeshRenderData *mr,
const MEdge *UNUSED(med),
const uint ledge_index,
void *data)
{
const int e_index = mr->ledges[ledge_index];
const int e_orig = (mr->e_origindex) ? mr->e_origindex[e_index] : e_index;
((uint32_t *)data)[mr->loop_len + ledge_index * 2 + 0] = e_orig;
((uint32_t *)data)[mr->loop_len + ledge_index * 2 + 1] = e_orig;
}
static void extract_vert_idx_iter_ledge_mesh(const MeshRenderData *mr,
const MEdge *med,
const uint ledge_index,
void *data)
{
int v1_orig = (mr->v_origindex) ? mr->v_origindex[med->v1] : med->v1;
int v2_orig = (mr->v_origindex) ? mr->v_origindex[med->v2] : med->v2;
((uint32_t *)data)[mr->loop_len + ledge_index * 2 + 0] = v1_orig;
((uint32_t *)data)[mr->loop_len + ledge_index * 2 + 1] = v2_orig;
}
static void extract_vert_idx_iter_lvert_mesh(const MeshRenderData *mr,
const MVert *UNUSED(mv),
const int lvert_index,
void *data)
{
const int offset = mr->loop_len + (mr->edge_loose_len * 2);
const int v_index = mr->lverts[lvert_index];
const int v_orig = (mr->v_origindex) ? mr->v_origindex[v_index] : v_index;
((uint32_t *)data)[offset + lvert_index] = v_orig;
}
static const MeshExtract extract_poly_idx = {
.init = extract_select_idx_init,
.iter_poly_bm = extract_poly_idx_iter_poly_bm,
.iter_poly_mesh = extract_poly_idx_iter_poly_mesh,
.data_flag = 0,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.poly_idx)};
static const MeshExtract extract_edge_idx = {
.init = extract_select_idx_init,
.iter_poly_bm = extract_edge_idx_iter_poly_bm,
.iter_poly_mesh = extract_edge_idx_iter_poly_mesh,
.iter_ledge_bm = extract_edge_idx_iter_ledge_bm,
.iter_ledge_mesh = extract_edge_idx_iter_ledge_mesh,
.data_flag = 0,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.edge_idx)};
static const MeshExtract extract_vert_idx = {
.init = extract_select_idx_init,
.iter_poly_bm = extract_vert_idx_iter_poly_bm,
.iter_poly_mesh = extract_vert_idx_iter_poly_mesh,
.iter_ledge_bm = extract_vert_idx_iter_ledge_bm,
.iter_ledge_mesh = extract_vert_idx_iter_ledge_mesh,
.iter_lvert_bm = extract_vert_idx_iter_lvert_bm,
.iter_lvert_mesh = extract_vert_idx_iter_lvert_mesh,
.data_flag = 0,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.vert_idx)};
static void *extract_fdot_idx_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
/* TODO rename "color" to something more descriptive. */
GPU_vertformat_attr_add(&format, "color", GPU_COMP_U32, 1, GPU_FETCH_INT);
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->poly_len);
return GPU_vertbuf_get_data(vbo);
}
static void extract_fdot_idx_iter_poly_bm(const MeshRenderData *UNUSED(mr),
BMFace *UNUSED(f),
const int f_index,
void *data)
{
((uint32_t *)data)[f_index] = f_index;
}
static void extract_fdot_idx_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *UNUSED(mp),
const int mp_index,
void *data)
{
if (mr->p_origindex != NULL) {
((uint32_t *)data)[mp_index] = mr->p_origindex[mp_index];
}
else {
((uint32_t *)data)[mp_index] = mp_index;
}
}
static const MeshExtract extract_fdot_idx = {
.init = extract_fdot_idx_init,
.iter_poly_bm = extract_fdot_idx_iter_poly_bm,
.iter_poly_mesh = extract_fdot_idx_iter_poly_mesh,
.data_flag = 0,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.fdot_idx)};
/* ---------------------------------------------------------------------- */
/** \name Extract
* \{ */
@@ -6088,52 +664,6 @@ static struct TaskNode *user_data_init_task_node_create(struct TaskGraph *task_g
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Override extractors
* Extractors can be overridden. When overridden a specialized version is used. The next functions
* would check for any needed overrides and usage of the specialized version.
* \{ */
static const MeshExtract *mesh_extract_override_hq_normals(const MeshExtract *extractor)
{
if (extractor == &extract_pos_nor) {
return &extract_pos_nor_hq;
}
if (extractor == &extract_lnor) {
return &extract_lnor_hq;
}
if (extractor == &extract_tan) {
return &extract_tan_hq;
}
if (extractor == &extract_fdots_nor) {
return &extract_fdots_nor_hq;
}
return extractor;
}
static const MeshExtract *mesh_extract_override_loose_lines(const MeshExtract *extractor)
{
if (extractor == &extract_lines) {
return &extract_lines_with_lines_loose;
}
return extractor;
}
static const MeshExtract *mesh_extract_override_get(const MeshExtract *extractor,
const bool do_hq_normals,
const bool do_lines_loose_subbuffer)
{
if (do_hq_normals) {
extractor = mesh_extract_override_hq_normals(extractor);
}
if (do_lines_loose_subbuffer) {
extractor = mesh_extract_override_loose_lines(extractor);
}
return extractor;
}
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Loop
* \{ */

4748
source/blender/draw/intern/draw_cache_extract_mesh_extractors.c Normal file
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@@ -0,0 +1,4748 @@
/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2021 by Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup draw
*
* \brief Extraction of Mesh data into VBO to feed to GPU.
*/
#include "MEM_guardedalloc.h"
#include "atomic_ops.h"
#include "DNA_object_types.h"
#include "BLI_edgehash.h"
#include "BLI_jitter_2d.h"
#include "BLI_kdopbvh.h"
#include "BLI_string.h"
#include "BKE_bvhutils.h"
#include "BKE_deform.h"
#include "BKE_editmesh.h"
#include "BKE_editmesh_bvh.h"
#include "BKE_editmesh_cache.h"
#include "BKE_editmesh_tangent.h"
#include "BKE_mesh.h"
#include "BKE_mesh_tangent.h"
#include "BKE_paint.h"
#include "ED_uvedit.h"
#include "GPU_capabilities.h"
#include "draw_cache_extract_mesh_private.h"
#include "draw_cache_impl.h"
void *mesh_extract_buffer_get(const MeshExtract *extractor, MeshBufferCache *mbc)
{
/* NOTE: POINTER_OFFSET on windows platforms casts internally to `void *`, but on GCC/CLANG to
* `MeshBufferCache *`. What shows a different usage versus intent. */
void **buffer_ptr = (void **)POINTER_OFFSET(mbc, extractor->mesh_buffer_offset);
void *buffer = *buffer_ptr;
BLI_assert(buffer);
return buffer;
}
eMRIterType mesh_extract_iter_type(const MeshExtract *ext)
{
eMRIterType type = 0;
SET_FLAG_FROM_TEST(type, (ext->iter_looptri_bm || ext->iter_looptri_mesh), MR_ITER_LOOPTRI);
SET_FLAG_FROM_TEST(type, (ext->iter_poly_bm || ext->iter_poly_mesh), MR_ITER_POLY);
SET_FLAG_FROM_TEST(type, (ext->iter_ledge_bm || ext->iter_ledge_mesh), MR_ITER_LEDGE);
SET_FLAG_FROM_TEST(type, (ext->iter_lvert_bm || ext->iter_lvert_mesh), MR_ITER_LVERT);
return type;
}
/* ---------------------------------------------------------------------- */
/** \name Override extractors
* Extractors can be overridden. When overridden a specialized version is used. The next functions
* would check for any needed overrides and usage of the specialized version.
* \{ */
static const MeshExtract *mesh_extract_override_hq_normals(const MeshExtract *extractor)
{
if (extractor == &extract_pos_nor) {
return &extract_pos_nor_hq;
}
if (extractor == &extract_lnor) {
return &extract_lnor_hq;
}
if (extractor == &extract_tan) {
return &extract_tan_hq;
}
if (extractor == &extract_fdots_nor) {
return &extract_fdots_nor_hq;
}
return extractor;
}
static const MeshExtract *mesh_extract_override_loose_lines(const MeshExtract *extractor)
{
if (extractor == &extract_lines) {
return &extract_lines_with_lines_loose;
}
return extractor;
}
const MeshExtract *mesh_extract_override_get(const MeshExtract *extractor,
const bool do_hq_normals,
const bool do_lines_loose_subbuffer)
{
if (do_hq_normals) {
extractor = mesh_extract_override_hq_normals(extractor);
}
if (do_lines_loose_subbuffer) {
extractor = mesh_extract_override_loose_lines(extractor);
}
return extractor;
}
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Triangles Indices
* \{ */
typedef struct MeshExtract_Tri_Data {
GPUIndexBufBuilder elb;
int *tri_mat_start;
int *tri_mat_end;
} MeshExtract_Tri_Data;
static void *extract_tris_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(ibo))
{
MeshExtract_Tri_Data *data = MEM_callocN(sizeof(*data), __func__);
size_t mat_tri_idx_size = sizeof(int) * mr->mat_len;
data->tri_mat_start = MEM_callocN(mat_tri_idx_size, __func__);
data->tri_mat_end = MEM_callocN(mat_tri_idx_size, __func__);
int *mat_tri_len = data->tri_mat_start;
/* Count how many triangle for each material. */
if (mr->extract_type == MR_EXTRACT_BMESH) {
BMIter iter;
BMFace *efa;
BM_ITER_MESH (efa, &iter, mr->bm, BM_FACES_OF_MESH) {
if (!BM_elem_flag_test(efa, BM_ELEM_HIDDEN)) {
int mat = min_ii(efa->mat_nr, mr->mat_len - 1);
mat_tri_len[mat] += efa->len - 2;
}
}
}
else {
const MPoly *mp = mr->mpoly;
for (int mp_index = 0; mp_index < mr->poly_len; mp_index++, mp++) {
if (!(mr->use_hide && (mp->flag & ME_HIDE))) {
int mat = min_ii(mp->mat_nr, mr->mat_len - 1);
mat_tri_len[mat] += mp->totloop - 2;
}
}
}
/* Accumulate triangle lengths per material to have correct offsets. */
int ofs = mat_tri_len[0];
mat_tri_len[0] = 0;
for (int i = 1; i < mr->mat_len; i++) {
int tmp = mat_tri_len[i];
mat_tri_len[i] = ofs;
ofs += tmp;
}
memcpy(data->tri_mat_end, mat_tri_len, mat_tri_idx_size);
int visible_tri_tot = ofs;
GPU_indexbuf_init(&data->elb, GPU_PRIM_TRIS, visible_tri_tot, mr->loop_len);
return data;
}
static void extract_tris_iter_looptri_bm(const MeshRenderData *mr,
BMLoop **elt,
const int UNUSED(elt_index),
void *_data)
{
MeshExtract_Tri_Data *data = _data;
const int mat_last = mr->mat_len - 1;
if (!BM_elem_flag_test(elt[0]->f, BM_ELEM_HIDDEN)) {
int *mat_tri_ofs = data->tri_mat_end;
const int mat = min_ii(elt[0]->f->mat_nr, mat_last);
GPU_indexbuf_set_tri_verts(&data->elb,
mat_tri_ofs[mat]++,
BM_elem_index_get(elt[0]),
BM_elem_index_get(elt[1]),
BM_elem_index_get(elt[2]));
}
}
static void extract_tris_iter_looptri_mesh(const MeshRenderData *mr,
const MLoopTri *mlt,
const int UNUSED(elt_index),
void *_data)
{
MeshExtract_Tri_Data *data = _data;
const int mat_last = mr->mat_len - 1;
const MPoly *mp = &mr->mpoly[mlt->poly];
if (!(mr->use_hide && (mp->flag & ME_HIDE))) {
int *mat_tri_ofs = data->tri_mat_end;
const int mat = min_ii(mp->mat_nr, mat_last);
GPU_indexbuf_set_tri_verts(
&data->elb, mat_tri_ofs[mat]++, mlt->tri[0], mlt->tri[1], mlt->tri[2]);
}
}
static void extract_tris_finish(const MeshRenderData *mr,
struct MeshBatchCache *cache,
void *buf,
void *_data)
{
GPUIndexBuf *ibo = buf;
MeshExtract_Tri_Data *data = _data;
GPU_indexbuf_build_in_place(&data->elb, ibo);
/* Create ibo sub-ranges. Always do this to avoid error when the standard surface batch
* is created before the surfaces-per-material. */
if (mr->use_final_mesh && cache->final.tris_per_mat) {
MeshBufferCache *mbc_final = &cache->final;
for (int i = 0; i < mr->mat_len; i++) {
/* These IBOs have not been queried yet but we create them just in case they are needed
* later since they are not tracked by mesh_buffer_cache_create_requested(). */
if (mbc_final->tris_per_mat[i] == NULL) {
mbc_final->tris_per_mat[i] = GPU_indexbuf_calloc();
}
/* Multiply by 3 because these are triangle indices. */
const int mat_start = data->tri_mat_start[i];
const int mat_end = data->tri_mat_end[i];
const int start = mat_start * 3;
const int len = (mat_end - mat_start) * 3;
GPU_indexbuf_create_subrange_in_place(mbc_final->tris_per_mat[i], ibo, start, len);
}
}
MEM_freeN(data->tri_mat_start);
MEM_freeN(data->tri_mat_end);
MEM_freeN(data);
}
const MeshExtract extract_tris = {.init = extract_tris_init,
.iter_looptri_bm = extract_tris_iter_looptri_bm,
.iter_looptri_mesh = extract_tris_iter_looptri_mesh,
.finish = extract_tris_finish,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, ibo.tris)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Edges Indices
* \{ */
static void *extract_lines_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(buf))
{
GPUIndexBufBuilder *elb = MEM_mallocN(sizeof(*elb), __func__);
/* Put loose edges at the end. */
GPU_indexbuf_init(
elb, GPU_PRIM_LINES, mr->edge_len + mr->edge_loose_len, mr->loop_len + mr->loop_loose_len);
return elb;
}
static void extract_lines_iter_poly_bm(const MeshRenderData *UNUSED(mr),
BMFace *f,
const int UNUSED(f_index),
void *elb)
{
BMLoop *l_iter, *l_first;
/* Use #BMLoop.prev to match mesh order (to avoid minor differences in data extraction). */
l_iter = l_first = BM_FACE_FIRST_LOOP(f)->prev;
do {
if (!BM_elem_flag_test(l_iter->e, BM_ELEM_HIDDEN)) {
GPU_indexbuf_set_line_verts(elb,
BM_elem_index_get(l_iter->e),
BM_elem_index_get(l_iter),
BM_elem_index_get(l_iter->next));
}
else {
GPU_indexbuf_set_line_restart(elb, BM_elem_index_get(l_iter->e));
}
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_lines_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int UNUSED(mp_index),
void *elb)
{
/* Using poly & loop iterator would complicate accessing the adjacent loop. */
const MLoop *mloop = mr->mloop;
const MEdge *medge = mr->medge;
if (mr->use_hide || (mr->extract_type == MR_EXTRACT_MAPPED) || (mr->e_origindex != NULL)) {
const int ml_index_last = mp->loopstart + (mp->totloop - 1);
int ml_index = ml_index_last, ml_index_next = mp->loopstart;
do {
const MLoop *ml = &mloop[ml_index];
const MEdge *med = &medge[ml->e];
if (!((mr->use_hide && (med->flag & ME_HIDE)) ||
((mr->extract_type == MR_EXTRACT_MAPPED) && (mr->e_origindex) &&
(mr->e_origindex[ml->e] == ORIGINDEX_NONE)))) {
GPU_indexbuf_set_line_verts(elb, ml->e, ml_index, ml_index_next);
}
else {
GPU_indexbuf_set_line_restart(elb, ml->e);
}
} while ((ml_index = ml_index_next++) != ml_index_last);
}
else {
const int ml_index_last = mp->loopstart + (mp->totloop - 1);
int ml_index = ml_index_last, ml_index_next = mp->loopstart;
do {
const MLoop *ml = &mloop[ml_index];
GPU_indexbuf_set_line_verts(elb, ml->e, ml_index, ml_index_next);
} while ((ml_index = ml_index_next++) != ml_index_last);
}
}
static void extract_lines_iter_ledge_bm(const MeshRenderData *mr,
BMEdge *eed,
const int ledge_index,
void *elb)
{
const int l_index_offset = mr->edge_len + ledge_index;
if (!BM_elem_flag_test(eed, BM_ELEM_HIDDEN)) {
const int l_index = mr->loop_len + ledge_index * 2;
GPU_indexbuf_set_line_verts(elb, l_index_offset, l_index, l_index + 1);
}
else {
GPU_indexbuf_set_line_restart(elb, l_index_offset);
}
/* Don't render the edge twice. */
GPU_indexbuf_set_line_restart(elb, BM_elem_index_get(eed));
}
static void extract_lines_iter_ledge_mesh(const MeshRenderData *mr,
const MEdge *med,
const uint ledge_index,
void *elb)
{
const int l_index_offset = mr->edge_len + ledge_index;
const int e_index = mr->ledges[ledge_index];
if (!((mr->use_hide && (med->flag & ME_HIDE)) ||
((mr->extract_type == MR_EXTRACT_MAPPED) && (mr->e_origindex) &&
(mr->e_origindex[e_index] == ORIGINDEX_NONE)))) {
const int l_index = mr->loop_len + ledge_index * 2;
GPU_indexbuf_set_line_verts(elb, l_index_offset, l_index, l_index + 1);
}
else {
GPU_indexbuf_set_line_restart(elb, l_index_offset);
}
/* Don't render the edge twice. */
GPU_indexbuf_set_line_restart(elb, e_index);
}
static void extract_lines_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *buf,
void *elb)
{
GPUIndexBuf *ibo = buf;
GPU_indexbuf_build_in_place(elb, ibo);
MEM_freeN(elb);
}
const MeshExtract extract_lines = {.init = extract_lines_init,
.iter_poly_bm = extract_lines_iter_poly_bm,
.iter_poly_mesh = extract_lines_iter_poly_mesh,
.iter_ledge_bm = extract_lines_iter_ledge_bm,
.iter_ledge_mesh = extract_lines_iter_ledge_mesh,
.finish = extract_lines_finish,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, ibo.lines)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Loose Edges Sub Buffer
* \{ */
static void extract_lines_loose_subbuffer(const MeshRenderData *mr, struct MeshBatchCache *cache)
{
BLI_assert(cache->final.ibo.lines);
/* Multiply by 2 because these are edges indices. */
const int start = mr->edge_len * 2;
const int len = mr->edge_loose_len * 2;
GPU_indexbuf_create_subrange_in_place(
cache->final.ibo.lines_loose, cache->final.ibo.lines, start, len);
cache->no_loose_wire = (len == 0);
}
static void extract_lines_with_lines_loose_finish(const MeshRenderData *mr,
struct MeshBatchCache *cache,
void *buf,
void *elb)
{
GPUIndexBuf *ibo = buf;
GPU_indexbuf_build_in_place(elb, ibo);
extract_lines_loose_subbuffer(mr, cache);
MEM_freeN(elb);
}
const MeshExtract extract_lines_with_lines_loose = {
.init = extract_lines_init,
.iter_poly_bm = extract_lines_iter_poly_bm,
.iter_poly_mesh = extract_lines_iter_poly_mesh,
.iter_ledge_bm = extract_lines_iter_ledge_bm,
.iter_ledge_mesh = extract_lines_iter_ledge_mesh,
.finish = extract_lines_with_lines_loose_finish,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, ibo.lines)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Point Indices
* \{ */
static void *extract_points_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(buf))
{
GPUIndexBufBuilder *elb = MEM_mallocN(sizeof(*elb), __func__);
GPU_indexbuf_init(elb, GPU_PRIM_POINTS, mr->vert_len, mr->loop_len + mr->loop_loose_len);
return elb;
}
BLI_INLINE void vert_set_bm(GPUIndexBufBuilder *elb, BMVert *eve, int l_index)
{
const int v_index = BM_elem_index_get(eve);
if (!BM_elem_flag_test(eve, BM_ELEM_HIDDEN)) {
GPU_indexbuf_set_point_vert(elb, v_index, l_index);
}
else {
GPU_indexbuf_set_point_restart(elb, v_index);
}
}
BLI_INLINE void vert_set_mesh(GPUIndexBufBuilder *elb,
const MeshRenderData *mr,
const int v_index,
const int l_index)
{
const MVert *mv = &mr->mvert[v_index];
if (!((mr->use_hide && (mv->flag & ME_HIDE)) ||
((mr->extract_type == MR_EXTRACT_MAPPED) && (mr->v_origindex) &&
(mr->v_origindex[v_index] == ORIGINDEX_NONE)))) {
GPU_indexbuf_set_point_vert(elb, v_index, l_index);
}
else {
GPU_indexbuf_set_point_restart(elb, v_index);
}
}
static void extract_points_iter_poly_bm(const MeshRenderData *UNUSED(mr),
BMFace *f,
const int UNUSED(f_index),
void *elb)
{
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
vert_set_bm(elb, l_iter->v, l_index);
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_points_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int UNUSED(mp_index),
void *elb)
{
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
vert_set_mesh(elb, mr, ml->v, ml_index);
}
}
static void extract_points_iter_ledge_bm(const MeshRenderData *mr,
BMEdge *eed,
const int ledge_index,
void *elb)
{
vert_set_bm(elb, eed->v1, mr->loop_len + (ledge_index * 2));
vert_set_bm(elb, eed->v2, mr->loop_len + (ledge_index * 2) + 1);
}
static void extract_points_iter_ledge_mesh(const MeshRenderData *mr,
const MEdge *med,
const uint ledge_index,
void *elb)
{
vert_set_mesh(elb, mr, med->v1, mr->loop_len + (ledge_index * 2));
vert_set_mesh(elb, mr, med->v2, mr->loop_len + (ledge_index * 2) + 1);
}
static void extract_points_iter_lvert_bm(const MeshRenderData *mr,
BMVert *eve,
const int lvert_index,
void *elb)
{
const int offset = mr->loop_len + (mr->edge_loose_len * 2);
vert_set_bm(elb, eve, offset + lvert_index);
}
static void extract_points_iter_lvert_mesh(const MeshRenderData *mr,
const MVert *UNUSED(mv),
const int lvert_index,
void *elb)
{
const int offset = mr->loop_len + (mr->edge_loose_len * 2);
vert_set_mesh(elb, mr, mr->lverts[lvert_index], offset + lvert_index);
}
static void extract_points_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *buf,
void *elb)
{
GPUIndexBuf *ibo = buf;
GPU_indexbuf_build_in_place(elb, ibo);
MEM_freeN(elb);
}
const MeshExtract extract_points = {.init = extract_points_init,
.iter_poly_bm = extract_points_iter_poly_bm,
.iter_poly_mesh = extract_points_iter_poly_mesh,
.iter_ledge_bm = extract_points_iter_ledge_bm,
.iter_ledge_mesh = extract_points_iter_ledge_mesh,
.iter_lvert_bm = extract_points_iter_lvert_bm,
.iter_lvert_mesh = extract_points_iter_lvert_mesh,
.finish = extract_points_finish,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, ibo.points)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Facedots Indices
* \{ */
static void *extract_fdots_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(buf))
{
GPUIndexBufBuilder *elb = MEM_mallocN(sizeof(*elb), __func__);
GPU_indexbuf_init(elb, GPU_PRIM_POINTS, mr->poly_len, mr->poly_len);
return elb;
}
static void extract_fdots_iter_poly_bm(const MeshRenderData *UNUSED(mr),
BMFace *f,
const int f_index,
void *elb)
{
if (!BM_elem_flag_test(f, BM_ELEM_HIDDEN)) {
GPU_indexbuf_set_point_vert(elb, f_index, f_index);
}
else {
GPU_indexbuf_set_point_restart(elb, f_index);
}
}
static void extract_fdots_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int mp_index,
void *elb)
{
if (mr->use_subsurf_fdots) {
/* Check #ME_VERT_FACEDOT. */
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
const MVert *mv = &mr->mvert[ml->v];
if ((mv->flag & ME_VERT_FACEDOT) && !(mr->use_hide && (mp->flag & ME_HIDE))) {
GPU_indexbuf_set_point_vert(elb, mp_index, mp_index);
return;
}
}
GPU_indexbuf_set_point_restart(elb, mp_index);
}
else {
if (!(mr->use_hide && (mp->flag & ME_HIDE))) {
GPU_indexbuf_set_point_vert(elb, mp_index, mp_index);
}
else {
GPU_indexbuf_set_point_restart(elb, mp_index);
}
}
}
static void extract_fdots_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *buf,
void *elb)
{
GPUIndexBuf *ibo = buf;
GPU_indexbuf_build_in_place(elb, ibo);
MEM_freeN(elb);
}
const MeshExtract extract_fdots = {.init = extract_fdots_init,
.iter_poly_bm = extract_fdots_iter_poly_bm,
.iter_poly_mesh = extract_fdots_iter_poly_mesh,
.finish = extract_fdots_finish,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, ibo.fdots)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Paint Mask Line Indices
* \{ */
typedef struct MeshExtract_LinePaintMask_Data {
GPUIndexBufBuilder elb;
/** One bit per edge set if face is selected. */
BLI_bitmap select_map[0];
} MeshExtract_LinePaintMask_Data;
static void *extract_lines_paint_mask_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(ibo))
{
size_t bitmap_size = BLI_BITMAP_SIZE(mr->edge_len);
MeshExtract_LinePaintMask_Data *data = MEM_callocN(sizeof(*data) + bitmap_size, __func__);
GPU_indexbuf_init(&data->elb, GPU_PRIM_LINES, mr->edge_len, mr->loop_len);
return data;
}
static void extract_lines_paint_mask_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int UNUSED(mp_index),
void *_data)
{
MeshExtract_LinePaintMask_Data *data = _data;
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
const int e_index = ml->e;
const MEdge *me = &mr->medge[e_index];
if (!((mr->use_hide && (me->flag & ME_HIDE)) ||
((mr->extract_type == MR_EXTRACT_MAPPED) && (mr->e_origindex) &&
(mr->e_origindex[e_index] == ORIGINDEX_NONE)))) {
const int ml_index_last = mp->totloop + mp->loopstart - 1;
const int ml_index_other = (ml_index == ml_index_last) ? mp->loopstart : (ml_index + 1);
if (mp->flag & ME_FACE_SEL) {
if (BLI_BITMAP_TEST_AND_SET_ATOMIC(data->select_map, e_index)) {
/* Hide edge as it has more than 2 selected loop. */
GPU_indexbuf_set_line_restart(&data->elb, e_index);
}
else {
/* First selected loop. Set edge visible, overwriting any unselected loop. */
GPU_indexbuf_set_line_verts(&data->elb, e_index, ml_index, ml_index_other);
}
}
else {
/* Set these unselected loop only if this edge has no other selected loop. */
if (!BLI_BITMAP_TEST(data->select_map, e_index)) {
GPU_indexbuf_set_line_verts(&data->elb, e_index, ml_index, ml_index_other);
}
}
}
else {
GPU_indexbuf_set_line_restart(&data->elb, e_index);
}
}
}
static void extract_lines_paint_mask_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *buf,
void *_data)
{
GPUIndexBuf *ibo = buf;
MeshExtract_LinePaintMask_Data *data = _data;
GPU_indexbuf_build_in_place(&data->elb, ibo);
MEM_freeN(data);
}
const MeshExtract extract_lines_paint_mask = {
.init = extract_lines_paint_mask_init,
.iter_poly_mesh = extract_lines_paint_mask_iter_poly_mesh,
.finish = extract_lines_paint_mask_finish,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, ibo.lines_paint_mask)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Line Adjacency Indices
* \{ */
#define NO_EDGE INT_MAX
typedef struct MeshExtract_LineAdjacency_Data {
GPUIndexBufBuilder elb;
EdgeHash *eh;
bool is_manifold;
/* Array to convert vert index to any loop index of this vert. */
uint vert_to_loop[0];
} MeshExtract_LineAdjacency_Data;
static void *extract_lines_adjacency_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(buf))
{
/* Similar to poly_to_tri_count().
* There is always (loop + triangle - 1) edges inside a polygon.
* Accumulate for all polys and you get : */
uint tess_edge_len = mr->loop_len + mr->tri_len - mr->poly_len;
size_t vert_to_loop_size = sizeof(uint) * mr->vert_len;
MeshExtract_LineAdjacency_Data *data = MEM_callocN(sizeof(*data) + vert_to_loop_size, __func__);
GPU_indexbuf_init(&data->elb, GPU_PRIM_LINES_ADJ, tess_edge_len, mr->loop_len);
data->eh = BLI_edgehash_new_ex(__func__, tess_edge_len);
data->is_manifold = true;
return data;
}
BLI_INLINE void lines_adjacency_triangle(
uint v1, uint v2, uint v3, uint l1, uint l2, uint l3, MeshExtract_LineAdjacency_Data *data)
{
GPUIndexBufBuilder *elb = &data->elb;
/* Iterate around the triangle's edges. */
for (int e = 0; e < 3; e++) {
SHIFT3(uint, v3, v2, v1);
SHIFT3(uint, l3, l2, l1);
bool inv_indices = (v2 > v3);
void **pval;
bool value_is_init = BLI_edgehash_ensure_p(data->eh, v2, v3, &pval);
int v_data = POINTER_AS_INT(*pval);
if (!value_is_init || v_data == NO_EDGE) {
/* Save the winding order inside the sign bit. Because the
* Edge-hash sort the keys and we need to compare winding later. */
int value = (int)l1 + 1; /* 0 cannot be signed so add one. */
*pval = POINTER_FROM_INT((inv_indices) ? -value : value);
/* Store loop indices for remaining non-manifold edges. */
data->vert_to_loop[v2] = l2;
data->vert_to_loop[v3] = l3;
}
else {
/* HACK Tag as not used. Prevent overhead of BLI_edgehash_remove. */
*pval = POINTER_FROM_INT(NO_EDGE);
bool inv_opposite = (v_data < 0);
uint l_opposite = (uint)abs(v_data) - 1;
/* TODO Make this part thread-safe. */
if (inv_opposite == inv_indices) {
/* Don't share edge if triangles have non matching winding. */
GPU_indexbuf_add_line_adj_verts(elb, l1, l2, l3, l1);
GPU_indexbuf_add_line_adj_verts(elb, l_opposite, l2, l3, l_opposite);
data->is_manifold = false;
}
else {
GPU_indexbuf_add_line_adj_verts(elb, l1, l2, l3, l_opposite);
}
}
}
}
static void extract_lines_adjacency_iter_looptri_bm(const MeshRenderData *UNUSED(mr),
BMLoop **elt,
const int UNUSED(elt_index),
void *data)
{
if (!BM_elem_flag_test(elt[0]->f, BM_ELEM_HIDDEN)) {
lines_adjacency_triangle(BM_elem_index_get(elt[0]->v),
BM_elem_index_get(elt[1]->v),
BM_elem_index_get(elt[2]->v),
BM_elem_index_get(elt[0]),
BM_elem_index_get(elt[1]),
BM_elem_index_get(elt[2]),
data);
}
}
static void extract_lines_adjacency_iter_looptri_mesh(const MeshRenderData *mr,
const MLoopTri *mlt,
const int UNUSED(elt_index),
void *data)
{
const MPoly *mp = &mr->mpoly[mlt->poly];
if (!(mr->use_hide && (mp->flag & ME_HIDE))) {
lines_adjacency_triangle(mr->mloop[mlt->tri[0]].v,
mr->mloop[mlt->tri[1]].v,
mr->mloop[mlt->tri[2]].v,
mlt->tri[0],
mlt->tri[1],
mlt->tri[2],
data);
}
}
static void extract_lines_adjacency_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *cache,
void *buf,
void *_data)
{
GPUIndexBuf *ibo = buf;
MeshExtract_LineAdjacency_Data *data = _data;
/* Create edges for remaining non manifold edges. */
EdgeHashIterator *ehi = BLI_edgehashIterator_new(data->eh);
for (; !BLI_edgehashIterator_isDone(ehi); BLI_edgehashIterator_step(ehi)) {
uint v2, v3, l1, l2, l3;
int v_data = POINTER_AS_INT(BLI_edgehashIterator_getValue(ehi));
if (v_data != NO_EDGE) {
BLI_edgehashIterator_getKey(ehi, &v2, &v3);
l1 = (uint)abs(v_data) - 1;
if (v_data < 0) { /* inv_opposite */
SWAP(uint, v2, v3);
}
l2 = data->vert_to_loop[v2];
l3 = data->vert_to_loop[v3];
GPU_indexbuf_add_line_adj_verts(&data->elb, l1, l2, l3, l1);
data->is_manifold = false;
}
}
BLI_edgehashIterator_free(ehi);
BLI_edgehash_free(data->eh, NULL);
cache->is_manifold = data->is_manifold;
GPU_indexbuf_build_in_place(&data->elb, ibo);
MEM_freeN(data);
}
#undef NO_EDGE
const MeshExtract extract_lines_adjacency = {
.init = extract_lines_adjacency_init,
.iter_looptri_bm = extract_lines_adjacency_iter_looptri_bm,
.iter_looptri_mesh = extract_lines_adjacency_iter_looptri_mesh,
.finish = extract_lines_adjacency_finish,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, ibo.lines_adjacency)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Edit UV Triangles Indices
* \{ */
typedef struct MeshExtract_EditUvElem_Data {
GPUIndexBufBuilder elb;
bool sync_selection;
} MeshExtract_EditUvElem_Data;
static void *extract_edituv_tris_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(ibo))
{
MeshExtract_EditUvElem_Data *data = MEM_callocN(sizeof(*data), __func__);
GPU_indexbuf_init(&data->elb, GPU_PRIM_TRIS, mr->tri_len, mr->loop_len);
data->sync_selection = (mr->toolsettings->uv_flag & UV_SYNC_SELECTION) != 0;
return data;
}
BLI_INLINE void edituv_tri_add(
MeshExtract_EditUvElem_Data *data, bool hidden, bool selected, int v1, int v2, int v3)
{
if (!hidden && (data->sync_selection || selected)) {
GPU_indexbuf_add_tri_verts(&data->elb, v1, v2, v3);
}
}
static void extract_edituv_tris_iter_looptri_bm(const MeshRenderData *UNUSED(mr),
BMLoop **elt,
const int UNUSED(elt_index),
void *data)
{
edituv_tri_add(data,
BM_elem_flag_test(elt[0]->f, BM_ELEM_HIDDEN),
BM_elem_flag_test(elt[0]->f, BM_ELEM_SELECT),
BM_elem_index_get(elt[0]),
BM_elem_index_get(elt[1]),
BM_elem_index_get(elt[2]));
}
static void extract_edituv_tris_iter_looptri_mesh(const MeshRenderData *mr,
const MLoopTri *mlt,
const int UNUSED(elt_index),
void *data)
{
const MPoly *mp = &mr->mpoly[mlt->poly];
edituv_tri_add(data,
(mp->flag & ME_HIDE) != 0,
(mp->flag & ME_FACE_SEL) != 0,
mlt->tri[0],
mlt->tri[1],
mlt->tri[2]);
}
static void extract_edituv_tris_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *buf,
void *data)
{
GPUIndexBuf *ibo = buf;
MeshExtract_EditUvElem_Data *extract_data = data;
GPU_indexbuf_build_in_place(&extract_data->elb, ibo);
MEM_freeN(extract_data);
}
const MeshExtract extract_edituv_tris = {
.init = extract_edituv_tris_init,
.iter_looptri_bm = extract_edituv_tris_iter_looptri_bm,
.iter_looptri_mesh = extract_edituv_tris_iter_looptri_mesh,
.finish = extract_edituv_tris_finish,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, ibo.edituv_tris)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Edit UV Line Indices around faces
* \{ */
static void *extract_edituv_lines_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(ibo))
{
MeshExtract_EditUvElem_Data *data = MEM_callocN(sizeof(*data), __func__);
GPU_indexbuf_init(&data->elb, GPU_PRIM_LINES, mr->loop_len, mr->loop_len);
data->sync_selection = (mr->toolsettings->uv_flag & UV_SYNC_SELECTION) != 0;
return data;
}
BLI_INLINE void edituv_edge_add(
MeshExtract_EditUvElem_Data *data, bool hidden, bool selected, int v1, int v2)
{
if (!hidden && (data->sync_selection || selected)) {
GPU_indexbuf_add_line_verts(&data->elb, v1, v2);
}
}
static void extract_edituv_lines_iter_poly_bm(const MeshRenderData *UNUSED(mr),
BMFace *f,
const int UNUSED(f_index),
void *data)
{
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
edituv_edge_add(data,
BM_elem_flag_test_bool(f, BM_ELEM_HIDDEN),
BM_elem_flag_test_bool(f, BM_ELEM_SELECT),
l_index,
BM_elem_index_get(l_iter->next));
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_edituv_lines_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int UNUSED(mp_index),
void *data)
{
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
const int ml_index_last = mp->totloop + mp->loopstart - 1;
const int ml_index_next = (ml_index == ml_index_last) ? mp->loopstart : (ml_index + 1);
const bool real_edge = (mr->e_origindex == NULL || mr->e_origindex[ml->e] != ORIGINDEX_NONE);
edituv_edge_add(data,
(mp->flag & ME_HIDE) != 0 || !real_edge,
(mp->flag & ME_FACE_SEL) != 0,
ml_index,
ml_index_next);
}
}
static void extract_edituv_lines_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *buf,
void *data)
{
GPUIndexBuf *ibo = buf;
MeshExtract_EditUvElem_Data *extract_data = data;
GPU_indexbuf_build_in_place(&extract_data->elb, ibo);
MEM_freeN(extract_data);
}
const MeshExtract extract_edituv_lines = {
.init = extract_edituv_lines_init,
.iter_poly_bm = extract_edituv_lines_iter_poly_bm,
.iter_poly_mesh = extract_edituv_lines_iter_poly_mesh,
.finish = extract_edituv_lines_finish,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, ibo.edituv_lines)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Edit UV Points Indices
* \{ */
static void *extract_edituv_points_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(ibo))
{
MeshExtract_EditUvElem_Data *data = MEM_callocN(sizeof(*data), __func__);
GPU_indexbuf_init(&data->elb, GPU_PRIM_POINTS, mr->loop_len, mr->loop_len);
data->sync_selection = (mr->toolsettings->uv_flag & UV_SYNC_SELECTION) != 0;
return data;
}
BLI_INLINE void edituv_point_add(MeshExtract_EditUvElem_Data *data,
bool hidden,
bool selected,
int v1)
{
if (!hidden && (data->sync_selection || selected)) {
GPU_indexbuf_add_point_vert(&data->elb, v1);
}
}
static void extract_edituv_points_iter_poly_bm(const MeshRenderData *UNUSED(mr),
BMFace *f,
const int UNUSED(f_index),
void *data)
{
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
edituv_point_add(
data, BM_elem_flag_test(f, BM_ELEM_HIDDEN), BM_elem_flag_test(f, BM_ELEM_SELECT), l_index);
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_edituv_points_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int UNUSED(mp_index),
void *data)
{
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
const bool real_vert = (mr->extract_type == MR_EXTRACT_MAPPED && (mr->v_origindex) &&
mr->v_origindex[ml->v] != ORIGINDEX_NONE);
edituv_point_add(
data, ((mp->flag & ME_HIDE) != 0) || !real_vert, (mp->flag & ME_FACE_SEL) != 0, ml_index);
}
}
static void extract_edituv_points_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *buf,
void *data)
{
GPUIndexBuf *ibo = buf;
MeshExtract_EditUvElem_Data *extract_data = data;
GPU_indexbuf_build_in_place(&extract_data->elb, ibo);
MEM_freeN(extract_data);
}
const MeshExtract extract_edituv_points = {
.init = extract_edituv_points_init,
.iter_poly_bm = extract_edituv_points_iter_poly_bm,
.iter_poly_mesh = extract_edituv_points_iter_poly_mesh,
.finish = extract_edituv_points_finish,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, ibo.edituv_points)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Edit UV Facedots Indices
* \{ */
static void *extract_edituv_fdots_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(ibo))
{
MeshExtract_EditUvElem_Data *data = MEM_callocN(sizeof(*data), __func__);
GPU_indexbuf_init(&data->elb, GPU_PRIM_POINTS, mr->poly_len, mr->poly_len);
data->sync_selection = (mr->toolsettings->uv_flag & UV_SYNC_SELECTION) != 0;
return data;
}
BLI_INLINE void edituv_facedot_add(MeshExtract_EditUvElem_Data *data,
bool hidden,
bool selected,
int face_index)
{
if (!hidden && (data->sync_selection || selected)) {
GPU_indexbuf_set_point_vert(&data->elb, face_index, face_index);
}
else {
GPU_indexbuf_set_point_restart(&data->elb, face_index);
}
}
static void extract_edituv_fdots_iter_poly_bm(const MeshRenderData *UNUSED(mr),
BMFace *f,
const int f_index,
void *data)
{
edituv_facedot_add(data,
BM_elem_flag_test_bool(f, BM_ELEM_HIDDEN),
BM_elem_flag_test_bool(f, BM_ELEM_SELECT),
f_index);
}
static void extract_edituv_fdots_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int mp_index,
void *data)
{
if (mr->use_subsurf_fdots) {
/* Check #ME_VERT_FACEDOT. */
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
const bool real_fdot = (mr->extract_type == MR_EXTRACT_MAPPED && mr->p_origindex &&
mr->p_origindex[mp_index] != ORIGINDEX_NONE);
const bool subd_fdot = (!mr->use_subsurf_fdots ||
(mr->mvert[ml->v].flag & ME_VERT_FACEDOT) != 0);
edituv_facedot_add(data,
((mp->flag & ME_HIDE) != 0) || !real_fdot || !subd_fdot,
(mp->flag & ME_FACE_SEL) != 0,
mp_index);
}
}
else {
const bool real_fdot = (mr->extract_type == MR_EXTRACT_MAPPED && mr->p_origindex &&
mr->p_origindex[mp_index] != ORIGINDEX_NONE);
edituv_facedot_add(
data, ((mp->flag & ME_HIDE) != 0) || !real_fdot, (mp->flag & ME_FACE_SEL) != 0, mp_index);
}
}
static void extract_edituv_fdots_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *buf,
void *_data)
{
GPUIndexBuf *ibo = buf;
MeshExtract_EditUvElem_Data *data = _data;
GPU_indexbuf_build_in_place(&data->elb, ibo);
MEM_freeN(data);
}
const MeshExtract extract_edituv_fdots = {
.init = extract_edituv_fdots_init,
.iter_poly_bm = extract_edituv_fdots_iter_poly_bm,
.iter_poly_mesh = extract_edituv_fdots_iter_poly_mesh,
.finish = extract_edituv_fdots_finish,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, ibo.edituv_fdots)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Position and Vertex Normal
* \{ */
typedef struct PosNorLoop {
float pos[3];
GPUPackedNormal nor;
} PosNorLoop;
typedef struct MeshExtract_PosNor_Data {
PosNorLoop *vbo_data;
GPUNormal normals[];
} MeshExtract_PosNor_Data;
static void *extract_pos_nor_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
/* WARNING Adjust #PosNorLoop struct accordingly. */
GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
GPU_vertformat_attr_add(&format, "nor", GPU_COMP_I10, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);
GPU_vertformat_alias_add(&format, "vnor");
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len + mr->loop_loose_len);
/* Pack normals per vert, reduce amount of computation. */
size_t packed_nor_len = sizeof(GPUNormal) * mr->vert_len;
MeshExtract_PosNor_Data *data = MEM_mallocN(sizeof(*data) + packed_nor_len, __func__);
data->vbo_data = (PosNorLoop *)GPU_vertbuf_get_data(vbo);
/* Quicker than doing it for each loop. */
if (mr->extract_type == MR_EXTRACT_BMESH) {
BMIter iter;
BMVert *eve;
int v;
BM_ITER_MESH_INDEX (eve, &iter, mr->bm, BM_VERTS_OF_MESH, v) {
data->normals[v].low = GPU_normal_convert_i10_v3(bm_vert_no_get(mr, eve));
}
}
else {
const MVert *mv = mr->mvert;
for (int v = 0; v < mr->vert_len; v++, mv++) {
data->normals[v].low = GPU_normal_convert_i10_s3(mv->no);
}
}
return data;
}
static void extract_pos_nor_iter_poly_bm(const MeshRenderData *mr,
BMFace *f,
const int UNUSED(f_index),
void *_data)
{
MeshExtract_PosNor_Data *data = _data;
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
PosNorLoop *vert = &data->vbo_data[l_index];
copy_v3_v3(vert->pos, bm_vert_co_get(mr, l_iter->v));
vert->nor = data->normals[BM_elem_index_get(l_iter->v)].low;
vert->nor.w = BM_elem_flag_test(f, BM_ELEM_HIDDEN) ? -1 : 0;
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_pos_nor_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int UNUSED(mp_index),
void *_data)
{
MeshExtract_PosNor_Data *data = _data;
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
PosNorLoop *vert = &data->vbo_data[ml_index];
const MVert *mv = &mr->mvert[ml->v];
copy_v3_v3(vert->pos, mv->co);
vert->nor = data->normals[ml->v].low;
/* Flag for paint mode overlay. */
if (mp->flag & ME_HIDE || mv->flag & ME_HIDE ||
((mr->extract_type == MR_EXTRACT_MAPPED) && (mr->v_origindex) &&
(mr->v_origindex[ml->v] == ORIGINDEX_NONE))) {
vert->nor.w = -1;
}
else if (mv->flag & SELECT) {
vert->nor.w = 1;
}
else {
vert->nor.w = 0;
}
}
}
static void extract_pos_nor_iter_ledge_bm(const MeshRenderData *mr,
BMEdge *eed,
const int ledge_index,
void *_data)
{
MeshExtract_PosNor_Data *data = _data;
int l_index = mr->loop_len + ledge_index * 2;
PosNorLoop *vert = &data->vbo_data[l_index];
copy_v3_v3(vert[0].pos, bm_vert_co_get(mr, eed->v1));
copy_v3_v3(vert[1].pos, bm_vert_co_get(mr, eed->v2));
vert[0].nor = data->normals[BM_elem_index_get(eed->v1)].low;
vert[1].nor = data->normals[BM_elem_index_get(eed->v2)].low;
}
static void extract_pos_nor_iter_ledge_mesh(const MeshRenderData *mr,
const MEdge *med,
const uint ledge_index,
void *_data)
{
MeshExtract_PosNor_Data *data = _data;
const int ml_index = mr->loop_len + ledge_index * 2;
PosNorLoop *vert = &data->vbo_data[ml_index];
copy_v3_v3(vert[0].pos, mr->mvert[med->v1].co);
copy_v3_v3(vert[1].pos, mr->mvert[med->v2].co);
vert[0].nor = data->normals[med->v1].low;
vert[1].nor = data->normals[med->v2].low;
}
static void extract_pos_nor_iter_lvert_bm(const MeshRenderData *mr,
BMVert *eve,
const int lvert_index,
void *_data)
{
MeshExtract_PosNor_Data *data = _data;
const int offset = mr->loop_len + (mr->edge_loose_len * 2);
const int l_index = offset + lvert_index;
PosNorLoop *vert = &data->vbo_data[l_index];
copy_v3_v3(vert->pos, bm_vert_co_get(mr, eve));
vert->nor = data->normals[BM_elem_index_get(eve)].low;
}
static void extract_pos_nor_iter_lvert_mesh(const MeshRenderData *mr,
const MVert *mv,
const int lvert_index,
void *_data)
{
MeshExtract_PosNor_Data *data = _data;
const int offset = mr->loop_len + (mr->edge_loose_len * 2);
const int ml_index = offset + lvert_index;
const int v_index = mr->lverts[lvert_index];
PosNorLoop *vert = &data->vbo_data[ml_index];
copy_v3_v3(vert->pos, mv->co);
vert->nor = data->normals[v_index].low;
}
static void extract_pos_nor_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(buf),
void *data)
{
MEM_freeN(data);
}
const MeshExtract extract_pos_nor = {.init = extract_pos_nor_init,
.iter_poly_bm = extract_pos_nor_iter_poly_bm,
.iter_poly_mesh = extract_pos_nor_iter_poly_mesh,
.iter_ledge_bm = extract_pos_nor_iter_ledge_bm,
.iter_ledge_mesh = extract_pos_nor_iter_ledge_mesh,
.iter_lvert_bm = extract_pos_nor_iter_lvert_bm,
.iter_lvert_mesh = extract_pos_nor_iter_lvert_mesh,
.finish = extract_pos_nor_finish,
.data_flag = 0,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.pos_nor)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Position and High Quality Vertex Normal
* \{ */
typedef struct PosNorHQLoop {
float pos[3];
short nor[4];
} PosNorHQLoop;
typedef struct MeshExtract_PosNorHQ_Data {
PosNorHQLoop *vbo_data;
GPUNormal normals[];
} MeshExtract_PosNorHQ_Data;
static void *extract_pos_nor_hq_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
/* WARNING Adjust #PosNorHQLoop struct accordingly. */
GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
GPU_vertformat_attr_add(&format, "nor", GPU_COMP_I16, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);
GPU_vertformat_alias_add(&format, "vnor");
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len + mr->loop_loose_len);
/* Pack normals per vert, reduce amount of computation. */
size_t packed_nor_len = sizeof(GPUNormal) * mr->vert_len;
MeshExtract_PosNorHQ_Data *data = MEM_mallocN(sizeof(*data) + packed_nor_len, __func__);
data->vbo_data = (PosNorHQLoop *)GPU_vertbuf_get_data(vbo);
/* Quicker than doing it for each loop. */
if (mr->extract_type == MR_EXTRACT_BMESH) {
BMIter iter;
BMVert *eve;
int v;
BM_ITER_MESH_INDEX (eve, &iter, mr->bm, BM_VERTS_OF_MESH, v) {
normal_float_to_short_v3(data->normals[v].high, bm_vert_no_get(mr, eve));
}
}
else {
const MVert *mv = mr->mvert;
for (int v = 0; v < mr->vert_len; v++, mv++) {
copy_v3_v3_short(data->normals[v].high, mv->no);
}
}
return data;
}
static void extract_pos_nor_hq_iter_poly_bm(const MeshRenderData *mr,
BMFace *f,
const int UNUSED(f_index),
void *_data)
{
MeshExtract_PosNorHQ_Data *data = _data;
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
PosNorHQLoop *vert = &data->vbo_data[l_index];
copy_v3_v3(vert->pos, bm_vert_co_get(mr, l_iter->v));
copy_v3_v3_short(vert->nor, data->normals[BM_elem_index_get(l_iter->v)].high);
BMFace *efa = l_iter->f;
vert->nor[3] = BM_elem_flag_test(efa, BM_ELEM_HIDDEN) ? -1 : 0;
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_pos_nor_hq_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int UNUSED(mp_index),
void *_data)
{
MeshExtract_PosNorHQ_Data *data = _data;
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
PosNorHQLoop *vert = &data->vbo_data[ml_index];
const MVert *mv = &mr->mvert[ml->v];
copy_v3_v3(vert->pos, mv->co);
copy_v3_v3_short(vert->nor, data->normals[ml->v].high);
/* Flag for paint mode overlay. */
if (mp->flag & ME_HIDE || mv->flag & ME_HIDE ||
((mr->extract_type == MR_EXTRACT_MAPPED) && (mr->v_origindex) &&
(mr->v_origindex[ml->v] == ORIGINDEX_NONE))) {
vert->nor[3] = -1;
}
else if (mv->flag & SELECT) {
vert->nor[3] = 1;
}
else {
vert->nor[3] = 0;
}
}
}
static void extract_pos_nor_hq_iter_ledge_bm(const MeshRenderData *mr,
BMEdge *eed,
const int ledge_index,
void *_data)
{
MeshExtract_PosNorHQ_Data *data = _data;
int l_index = mr->loop_len + ledge_index * 2;
PosNorHQLoop *vert = &data->vbo_data[l_index];
copy_v3_v3(vert[0].pos, bm_vert_co_get(mr, eed->v1));
copy_v3_v3(vert[1].pos, bm_vert_co_get(mr, eed->v2));
copy_v3_v3_short(vert[0].nor, data->normals[BM_elem_index_get(eed->v1)].high);
vert[0].nor[3] = 0;
copy_v3_v3_short(vert[1].nor, data->normals[BM_elem_index_get(eed->v2)].high);
vert[1].nor[3] = 0;
}
static void extract_pos_nor_hq_iter_ledge_mesh(const MeshRenderData *mr,
const MEdge *med,
const uint ledge_index,
void *_data)
{
MeshExtract_PosNorHQ_Data *data = _data;
const int ml_index = mr->loop_len + ledge_index * 2;
PosNorHQLoop *vert = &data->vbo_data[ml_index];
copy_v3_v3(vert[0].pos, mr->mvert[med->v1].co);
copy_v3_v3(vert[1].pos, mr->mvert[med->v2].co);
copy_v3_v3_short(vert[0].nor, data->normals[med->v1].high);
vert[0].nor[3] = 0;
copy_v3_v3_short(vert[1].nor, data->normals[med->v2].high);
vert[1].nor[3] = 0;
}
static void extract_pos_nor_hq_iter_lvert_bm(const MeshRenderData *mr,
BMVert *eve,
const int lvert_index,
void *_data)
{
MeshExtract_PosNorHQ_Data *data = _data;
const int offset = mr->loop_len + (mr->edge_loose_len * 2);
const int l_index = offset + lvert_index;
PosNorHQLoop *vert = &data->vbo_data[l_index];
copy_v3_v3(vert->pos, bm_vert_co_get(mr, eve));
copy_v3_v3_short(vert->nor, data->normals[BM_elem_index_get(eve)].high);
vert->nor[3] = 0;
}
static void extract_pos_nor_hq_iter_lvert_mesh(const MeshRenderData *mr,
const MVert *mv,
const int lvert_index,
void *_data)
{
MeshExtract_PosNorHQ_Data *data = _data;
const int offset = mr->loop_len + (mr->edge_loose_len * 2);
const int ml_index = offset + lvert_index;
const int v_index = mr->lverts[lvert_index];
PosNorHQLoop *vert = &data->vbo_data[ml_index];
copy_v3_v3(vert->pos, mv->co);
copy_v3_v3_short(vert->nor, data->normals[v_index].high);
vert->nor[3] = 0;
}
static void extract_pos_nor_hq_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(buf),
void *data)
{
MEM_freeN(data);
}
const MeshExtract extract_pos_nor_hq = {
.init = extract_pos_nor_hq_init,
.iter_poly_bm = extract_pos_nor_hq_iter_poly_bm,
.iter_poly_mesh = extract_pos_nor_hq_iter_poly_mesh,
.iter_ledge_bm = extract_pos_nor_hq_iter_ledge_bm,
.iter_ledge_mesh = extract_pos_nor_hq_iter_ledge_mesh,
.iter_lvert_bm = extract_pos_nor_hq_iter_lvert_bm,
.iter_lvert_mesh = extract_pos_nor_hq_iter_lvert_mesh,
.finish = extract_pos_nor_hq_finish,
.data_flag = 0,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.pos_nor)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract HQ Loop Normal
* \{ */
typedef struct gpuHQNor {
short x, y, z, w;
} gpuHQNor;
static void *extract_lnor_hq_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "nor", GPU_COMP_I16, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);
GPU_vertformat_alias_add(&format, "lnor");
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len);
return GPU_vertbuf_get_data(vbo);
}
static void extract_lnor_hq_iter_poly_bm(const MeshRenderData *mr,
BMFace *f,
const int UNUSED(f_index),
void *data)
{
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
if (mr->loop_normals) {
normal_float_to_short_v3(&((gpuHQNor *)data)[l_index].x, mr->loop_normals[l_index]);
}
else {
if (BM_elem_flag_test(f, BM_ELEM_SMOOTH)) {
normal_float_to_short_v3(&((gpuHQNor *)data)[l_index].x, bm_vert_no_get(mr, l_iter->v));
}
else {
normal_float_to_short_v3(&((gpuHQNor *)data)[l_index].x, bm_face_no_get(mr, f));
}
}
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_lnor_hq_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int mp_index,
void *data)
{
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
gpuHQNor *lnor_data = &((gpuHQNor *)data)[ml_index];
if (mr->loop_normals) {
normal_float_to_short_v3(&lnor_data->x, mr->loop_normals[ml_index]);
}
else if (mp->flag & ME_SMOOTH) {
copy_v3_v3_short(&lnor_data->x, mr->mvert[ml->v].no);
}
else {
normal_float_to_short_v3(&lnor_data->x, mr->poly_normals[mp_index]);
}
/* Flag for paint mode overlay.
* Only use #MR_EXTRACT_MAPPED in edit mode where it is used to display the edge-normals.
* In paint mode it will use the un-mapped data to draw the wire-frame. */
if (mp->flag & ME_HIDE || (mr->edit_bmesh && mr->extract_type == MR_EXTRACT_MAPPED &&
(mr->v_origindex) && mr->v_origindex[ml->v] == ORIGINDEX_NONE)) {
lnor_data->w = -1;
}
else if (mp->flag & ME_FACE_SEL) {
lnor_data->w = 1;
}
else {
lnor_data->w = 0;
}
}
}
const MeshExtract extract_lnor_hq = {.init = extract_lnor_hq_init,
.iter_poly_bm = extract_lnor_hq_iter_poly_bm,
.iter_poly_mesh = extract_lnor_hq_iter_poly_mesh,
.data_flag = MR_DATA_LOOP_NOR,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.lnor)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Loop Normal
* \{ */
static void *extract_lnor_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "nor", GPU_COMP_I10, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);
GPU_vertformat_alias_add(&format, "lnor");
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len);
return GPU_vertbuf_get_data(vbo);
}
static void extract_lnor_iter_poly_bm(const MeshRenderData *mr,
BMFace *f,
const int UNUSED(f_index),
void *data)
{
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
if (mr->loop_normals) {
((GPUPackedNormal *)data)[l_index] = GPU_normal_convert_i10_v3(mr->loop_normals[l_index]);
}
else {
if (BM_elem_flag_test(f, BM_ELEM_SMOOTH)) {
((GPUPackedNormal *)data)[l_index] = GPU_normal_convert_i10_v3(
bm_vert_no_get(mr, l_iter->v));
}
else {
((GPUPackedNormal *)data)[l_index] = GPU_normal_convert_i10_v3(bm_face_no_get(mr, f));
}
}
((GPUPackedNormal *)data)[l_index].w = BM_elem_flag_test(f, BM_ELEM_HIDDEN) ? -1 : 0;
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_lnor_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int mp_index,
void *data)
{
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
GPUPackedNormal *lnor_data = &((GPUPackedNormal *)data)[ml_index];
if (mr->loop_normals) {
*lnor_data = GPU_normal_convert_i10_v3(mr->loop_normals[ml_index]);
}
else if (mp->flag & ME_SMOOTH) {
*lnor_data = GPU_normal_convert_i10_s3(mr->mvert[ml->v].no);
}
else {
*lnor_data = GPU_normal_convert_i10_v3(mr->poly_normals[mp_index]);
}
/* Flag for paint mode overlay.
* Only use MR_EXTRACT_MAPPED in edit mode where it is used to display the edge-normals.
* In paint mode it will use the un-mapped data to draw the wire-frame. */
if (mp->flag & ME_HIDE || (mr->edit_bmesh && mr->extract_type == MR_EXTRACT_MAPPED &&
(mr->v_origindex) && mr->v_origindex[ml->v] == ORIGINDEX_NONE)) {
lnor_data->w = -1;
}
else if (mp->flag & ME_FACE_SEL) {
lnor_data->w = 1;
}
else {
lnor_data->w = 0;
}
}
}
const MeshExtract extract_lnor = {.init = extract_lnor_init,
.iter_poly_bm = extract_lnor_iter_poly_bm,
.iter_poly_mesh = extract_lnor_iter_poly_mesh,
.data_flag = MR_DATA_LOOP_NOR,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.lnor)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract UV layers
* \{ */
static void *extract_uv_init(const MeshRenderData *mr, struct MeshBatchCache *cache, void *buf)
{
GPUVertBuf *vbo = buf;
GPUVertFormat format = {0};
GPU_vertformat_deinterleave(&format);
CustomData *cd_ldata = (mr->extract_type == MR_EXTRACT_BMESH) ? &mr->bm->ldata : &mr->me->ldata;
uint32_t uv_layers = cache->cd_used.uv;
/* HACK to fix T68857 */
if (mr->extract_type == MR_EXTRACT_BMESH && cache->cd_used.edit_uv == 1) {
int layer = CustomData_get_active_layer(cd_ldata, CD_MLOOPUV);
if (layer != -1) {
uv_layers |= (1 << layer);
}
}
for (int i = 0; i < MAX_MTFACE; i++) {
if (uv_layers & (1 << i)) {
char attr_name[32], attr_safe_name[GPU_MAX_SAFE_ATTR_NAME];
const char *layer_name = CustomData_get_layer_name(cd_ldata, CD_MLOOPUV, i);
GPU_vertformat_safe_attr_name(layer_name, attr_safe_name, GPU_MAX_SAFE_ATTR_NAME);
/* UV layer name. */
BLI_snprintf(attr_name, sizeof(attr_name), "u%s", attr_safe_name);
GPU_vertformat_attr_add(&format, attr_name, GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
/* Auto layer name. */
BLI_snprintf(attr_name, sizeof(attr_name), "a%s", attr_safe_name);
GPU_vertformat_alias_add(&format, attr_name);
/* Active render layer name. */
if (i == CustomData_get_render_layer(cd_ldata, CD_MLOOPUV)) {
GPU_vertformat_alias_add(&format, "u");
}
/* Active display layer name. */
if (i == CustomData_get_active_layer(cd_ldata, CD_MLOOPUV)) {
GPU_vertformat_alias_add(&format, "au");
/* Alias to `pos` for edit uvs. */
GPU_vertformat_alias_add(&format, "pos");
}
/* Stencil mask uv layer name. */
if (i == CustomData_get_stencil_layer(cd_ldata, CD_MLOOPUV)) {
GPU_vertformat_alias_add(&format, "mu");
}
}
}
int v_len = mr->loop_len;
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "dummy", GPU_COMP_F32, 1, GPU_FETCH_FLOAT);
/* VBO will not be used, only allocate minimum of memory. */
v_len = 1;
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, v_len);
float(*uv_data)[2] = (float(*)[2])GPU_vertbuf_get_data(vbo);
for (int i = 0; i < MAX_MTFACE; i++) {
if (uv_layers & (1 << i)) {
if (mr->extract_type == MR_EXTRACT_BMESH) {
int cd_ofs = CustomData_get_n_offset(cd_ldata, CD_MLOOPUV, i);
BMIter f_iter;
BMFace *efa;
BM_ITER_MESH (efa, &f_iter, mr->bm, BM_FACES_OF_MESH) {
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(efa);
do {
MLoopUV *luv = BM_ELEM_CD_GET_VOID_P(l_iter, cd_ofs);
memcpy(uv_data, luv->uv, sizeof(*uv_data));
uv_data++;
} while ((l_iter = l_iter->next) != l_first);
}
}
else {
MLoopUV *layer_data = CustomData_get_layer_n(cd_ldata, CD_MLOOPUV, i);
for (int ml_index = 0; ml_index < mr->loop_len; ml_index++, uv_data++, layer_data++) {
memcpy(uv_data, layer_data->uv, sizeof(*uv_data));
}
}
}
}
return NULL;
}
const MeshExtract extract_uv = {.init = extract_uv_init,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.uv)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Tangent layers
* \{ */
static void extract_tan_ex_init(const MeshRenderData *mr,
struct MeshBatchCache *cache,
GPUVertBuf *vbo,
const bool do_hq)
{
GPUVertCompType comp_type = do_hq ? GPU_COMP_I16 : GPU_COMP_I10;
GPUVertFetchMode fetch_mode = GPU_FETCH_INT_TO_FLOAT_UNIT;
GPUVertFormat format = {0};
GPU_vertformat_deinterleave(&format);
CustomData *cd_ldata = (mr->extract_type == MR_EXTRACT_BMESH) ? &mr->bm->ldata : &mr->me->ldata;
CustomData *cd_vdata = (mr->extract_type == MR_EXTRACT_BMESH) ? &mr->bm->vdata : &mr->me->vdata;
uint32_t tan_layers = cache->cd_used.tan;
float(*orco)[3] = CustomData_get_layer(cd_vdata, CD_ORCO);
bool orco_allocated = false;
const bool use_orco_tan = cache->cd_used.tan_orco != 0;
int tan_len = 0;
char tangent_names[MAX_MTFACE][MAX_CUSTOMDATA_LAYER_NAME];
for (int i = 0; i < MAX_MTFACE; i++) {
if (tan_layers & (1 << i)) {
char attr_name[32], attr_safe_name[GPU_MAX_SAFE_ATTR_NAME];
const char *layer_name = CustomData_get_layer_name(cd_ldata, CD_MLOOPUV, i);
GPU_vertformat_safe_attr_name(layer_name, attr_safe_name, GPU_MAX_SAFE_ATTR_NAME);
/* Tangent layer name. */
BLI_snprintf(attr_name, sizeof(attr_name), "t%s", attr_safe_name);
GPU_vertformat_attr_add(&format, attr_name, comp_type, 4, fetch_mode);
/* Active render layer name. */
if (i == CustomData_get_render_layer(cd_ldata, CD_MLOOPUV)) {
GPU_vertformat_alias_add(&format, "t");
}
/* Active display layer name. */
if (i == CustomData_get_active_layer(cd_ldata, CD_MLOOPUV)) {
GPU_vertformat_alias_add(&format, "at");
}
BLI_strncpy(tangent_names[tan_len++], layer_name, MAX_CUSTOMDATA_LAYER_NAME);
}
}
if (use_orco_tan && orco == NULL) {
/* If `orco` is not available compute it ourselves */
orco_allocated = true;
orco = MEM_mallocN(sizeof(*orco) * mr->vert_len, __func__);
if (mr->extract_type == MR_EXTRACT_BMESH) {
BMesh *bm = mr->bm;
for (int v = 0; v < mr->vert_len; v++) {
const BMVert *eve = BM_vert_at_index(bm, v);
/* Exceptional case where #bm_vert_co_get can be avoided, as we want the original coords.
* not the distorted ones. */
copy_v3_v3(orco[v], eve->co);
}
}
else {
const MVert *mv = mr->mvert;
for (int v = 0; v < mr->vert_len; v++, mv++) {
copy_v3_v3(orco[v], mv->co);
}
}
BKE_mesh_orco_verts_transform(mr->me, orco, mr->vert_len, 0);
}
/* Start Fresh */
CustomData loop_data;
CustomData_reset(&loop_data);
if (tan_len != 0 || use_orco_tan) {
short tangent_mask = 0;
bool calc_active_tangent = false;
if (mr->extract_type == MR_EXTRACT_BMESH) {
BKE_editmesh_loop_tangent_calc(mr->edit_bmesh,
calc_active_tangent,
tangent_names,
tan_len,
mr->poly_normals,
mr->loop_normals,
orco,
&loop_data,
mr->loop_len,
&tangent_mask);
}
else {
BKE_mesh_calc_loop_tangent_ex(mr->mvert,
mr->mpoly,
mr->poly_len,
mr->mloop,
mr->mlooptri,
mr->tri_len,
cd_ldata,
calc_active_tangent,
tangent_names,
tan_len,
mr->poly_normals,
mr->loop_normals,
orco,
&loop_data,
mr->loop_len,
&tangent_mask);
}
}
if (use_orco_tan) {
char attr_name[32], attr_safe_name[GPU_MAX_SAFE_ATTR_NAME];
const char *layer_name = CustomData_get_layer_name(&loop_data, CD_TANGENT, 0);
GPU_vertformat_safe_attr_name(layer_name, attr_safe_name, GPU_MAX_SAFE_ATTR_NAME);
BLI_snprintf(attr_name, sizeof(*attr_name), "t%s", attr_safe_name);
GPU_vertformat_attr_add(&format, attr_name, comp_type, 4, fetch_mode);
GPU_vertformat_alias_add(&format, "t");
GPU_vertformat_alias_add(&format, "at");
}
if (orco_allocated) {
MEM_SAFE_FREE(orco);
}
int v_len = mr->loop_len;
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "dummy", GPU_COMP_F32, 1, GPU_FETCH_FLOAT);
/* VBO will not be used, only allocate minimum of memory. */
v_len = 1;
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, v_len);
if (do_hq) {
short(*tan_data)[4] = (short(*)[4])GPU_vertbuf_get_data(vbo);
for (int i = 0; i < tan_len; i++) {
const char *name = tangent_names[i];
float(*layer_data)[4] = (float(*)[4])CustomData_get_layer_named(
&loop_data, CD_TANGENT, name);
for (int ml_index = 0; ml_index < mr->loop_len; ml_index++) {
normal_float_to_short_v3(*tan_data, layer_data[ml_index]);
(*tan_data)[3] = (layer_data[ml_index][3] > 0.0f) ? SHRT_MAX : SHRT_MIN;
tan_data++;
}
}
if (use_orco_tan) {
float(*layer_data)[4] = (float(*)[4])CustomData_get_layer_n(&loop_data, CD_TANGENT, 0);
for (int ml_index = 0; ml_index < mr->loop_len; ml_index++) {
normal_float_to_short_v3(*tan_data, layer_data[ml_index]);
(*tan_data)[3] = (layer_data[ml_index][3] > 0.0f) ? SHRT_MAX : SHRT_MIN;
tan_data++;
}
}
}
else {
GPUPackedNormal *tan_data = (GPUPackedNormal *)GPU_vertbuf_get_data(vbo);
for (int i = 0; i < tan_len; i++) {
const char *name = tangent_names[i];
float(*layer_data)[4] = (float(*)[4])CustomData_get_layer_named(
&loop_data, CD_TANGENT, name);
for (int ml_index = 0; ml_index < mr->loop_len; ml_index++) {
*tan_data = GPU_normal_convert_i10_v3(layer_data[ml_index]);
tan_data->w = (layer_data[ml_index][3] > 0.0f) ? 1 : -2;
tan_data++;
}
}
if (use_orco_tan) {
float(*layer_data)[4] = (float(*)[4])CustomData_get_layer_n(&loop_data, CD_TANGENT, 0);
for (int ml_index = 0; ml_index < mr->loop_len; ml_index++) {
*tan_data = GPU_normal_convert_i10_v3(layer_data[ml_index]);
tan_data->w = (layer_data[ml_index][3] > 0.0f) ? 1 : -2;
tan_data++;
}
}
}
CustomData_free(&loop_data, mr->loop_len);
}
static void *extract_tan_init(const MeshRenderData *mr, struct MeshBatchCache *cache, void *buf)
{
extract_tan_ex_init(mr, cache, buf, false);
return NULL;
}
const MeshExtract extract_tan = {.init = extract_tan_init,
.data_flag = MR_DATA_POLY_NOR | MR_DATA_TAN_LOOP_NOR |
MR_DATA_LOOPTRI,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.tan)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract HQ Tangent layers
* \{ */
static void *extract_tan_hq_init(const MeshRenderData *mr, struct MeshBatchCache *cache, void *buf)
{
extract_tan_ex_init(mr, cache, buf, true);
return NULL;
}
const MeshExtract extract_tan_hq = {
.init = extract_tan_hq_init,
.data_flag = MR_DATA_POLY_NOR | MR_DATA_TAN_LOOP_NOR | MR_DATA_LOOPTRI,
.use_threading = false,
};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Sculpt Data
* \{ */
static void *extract_sculpt_data_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
GPUVertFormat format = {0};
CustomData *cd_ldata = (mr->extract_type == MR_EXTRACT_BMESH) ? &mr->bm->ldata : &mr->me->ldata;
CustomData *cd_vdata = (mr->extract_type == MR_EXTRACT_BMESH) ? &mr->bm->vdata : &mr->me->vdata;
CustomData *cd_pdata = (mr->extract_type == MR_EXTRACT_BMESH) ? &mr->bm->pdata : &mr->me->pdata;
float *cd_mask = CustomData_get_layer(cd_vdata, CD_PAINT_MASK);
int *cd_face_set = CustomData_get_layer(cd_pdata, CD_SCULPT_FACE_SETS);
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "fset", GPU_COMP_U8, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);
GPU_vertformat_attr_add(&format, "msk", GPU_COMP_F32, 1, GPU_FETCH_FLOAT);
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len);
typedef struct gpuSculptData {
uint8_t face_set_color[4];
float mask;
} gpuSculptData;
gpuSculptData *vbo_data = (gpuSculptData *)GPU_vertbuf_get_data(vbo);
MLoop *loops = CustomData_get_layer(cd_ldata, CD_MLOOP);
if (mr->extract_type == MR_EXTRACT_BMESH) {
int cd_mask_ofs = CustomData_get_offset(cd_vdata, CD_PAINT_MASK);
int cd_face_set_ofs = CustomData_get_offset(cd_pdata, CD_SCULPT_FACE_SETS);
BMIter f_iter;
BMFace *efa;
BM_ITER_MESH (efa, &f_iter, mr->bm, BM_FACES_OF_MESH) {
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(efa);
do {
float v_mask = 0.0f;
if (cd_mask) {
v_mask = BM_ELEM_CD_GET_FLOAT(l_iter->v, cd_mask_ofs);
}
vbo_data->mask = v_mask;
uchar face_set_color[4] = {UCHAR_MAX, UCHAR_MAX, UCHAR_MAX, UCHAR_MAX};
if (cd_face_set) {
const int face_set_id = BM_ELEM_CD_GET_INT(l_iter->f, cd_face_set_ofs);
if (face_set_id != mr->me->face_sets_color_default) {
BKE_paint_face_set_overlay_color_get(
face_set_id, mr->me->face_sets_color_seed, face_set_color);
}
}
copy_v3_v3_uchar(vbo_data->face_set_color, face_set_color);
vbo_data++;
} while ((l_iter = l_iter->next) != l_first);
}
}
else {
int mp_loop = 0;
for (int mp_index = 0; mp_index < mr->poly_len; mp_index++) {
const MPoly *p = &mr->mpoly[mp_index];
for (int l = 0; l < p->totloop; l++) {
float v_mask = 0.0f;
if (cd_mask) {
v_mask = cd_mask[loops[mp_loop].v];
}
vbo_data->mask = v_mask;
uchar face_set_color[4] = {UCHAR_MAX, UCHAR_MAX, UCHAR_MAX, UCHAR_MAX};
if (cd_face_set) {
const int face_set_id = cd_face_set[mp_index];
/* Skip for the default color Face Set to render it white. */
if (face_set_id != mr->me->face_sets_color_default) {
BKE_paint_face_set_overlay_color_get(
face_set_id, mr->me->face_sets_color_seed, face_set_color);
}
}
copy_v3_v3_uchar(vbo_data->face_set_color, face_set_color);
mp_loop++;
vbo_data++;
}
}
}
return NULL;
}
const MeshExtract extract_sculpt_data = {
.init = extract_sculpt_data_init,
.data_flag = 0,
/* TODO: enable threading. */
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.sculpt_data)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract VCol
* \{ */
static void *extract_vcol_init(const MeshRenderData *mr, struct MeshBatchCache *cache, void *buf)
{
GPUVertBuf *vbo = buf;
GPUVertFormat format = {0};
GPU_vertformat_deinterleave(&format);
CustomData *cd_ldata = (mr->extract_type == MR_EXTRACT_BMESH) ? &mr->bm->ldata : &mr->me->ldata;
CustomData *cd_vdata = (mr->extract_type == MR_EXTRACT_BMESH) ? &mr->bm->vdata : &mr->me->vdata;
uint32_t vcol_layers = cache->cd_used.vcol;
uint32_t svcol_layers = cache->cd_used.sculpt_vcol;
for (int i = 0; i < MAX_MCOL; i++) {
if (vcol_layers & (1 << i)) {
char attr_name[32], attr_safe_name[GPU_MAX_SAFE_ATTR_NAME];
const char *layer_name = CustomData_get_layer_name(cd_ldata, CD_MLOOPCOL, i);
GPU_vertformat_safe_attr_name(layer_name, attr_safe_name, GPU_MAX_SAFE_ATTR_NAME);
BLI_snprintf(attr_name, sizeof(attr_name), "c%s", attr_safe_name);
GPU_vertformat_attr_add(&format, attr_name, GPU_COMP_U16, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);
if (i == CustomData_get_render_layer(cd_ldata, CD_MLOOPCOL)) {
GPU_vertformat_alias_add(&format, "c");
}
if (i == CustomData_get_active_layer(cd_ldata, CD_MLOOPCOL)) {
GPU_vertformat_alias_add(&format, "ac");
}
/* Gather number of auto layers. */
/* We only do `vcols` that are not overridden by `uvs` and sculpt vertex colors. */
if (CustomData_get_named_layer_index(cd_ldata, CD_MLOOPUV, layer_name) == -1 &&
CustomData_get_named_layer_index(cd_vdata, CD_PROP_COLOR, layer_name) == -1) {
BLI_snprintf(attr_name, sizeof(attr_name), "a%s", attr_safe_name);
GPU_vertformat_alias_add(&format, attr_name);
}
}
}
/* Sculpt Vertex Colors */
if (U.experimental.use_sculpt_vertex_colors) {
for (int i = 0; i < 8; i++) {
if (svcol_layers & (1 << i)) {
char attr_name[32], attr_safe_name[GPU_MAX_SAFE_ATTR_NAME];
const char *layer_name = CustomData_get_layer_name(cd_vdata, CD_PROP_COLOR, i);
GPU_vertformat_safe_attr_name(layer_name, attr_safe_name, GPU_MAX_SAFE_ATTR_NAME);
BLI_snprintf(attr_name, sizeof(attr_name), "c%s", attr_safe_name);
GPU_vertformat_attr_add(&format, attr_name, GPU_COMP_U16, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);
if (i == CustomData_get_render_layer(cd_vdata, CD_PROP_COLOR)) {
GPU_vertformat_alias_add(&format, "c");
}
if (i == CustomData_get_active_layer(cd_vdata, CD_PROP_COLOR)) {
GPU_vertformat_alias_add(&format, "ac");
}
/* Gather number of auto layers. */
/* We only do `vcols` that are not overridden by `uvs`. */
if (CustomData_get_named_layer_index(cd_ldata, CD_MLOOPUV, layer_name) == -1) {
BLI_snprintf(attr_name, sizeof(attr_name), "a%s", attr_safe_name);
GPU_vertformat_alias_add(&format, attr_name);
}
}
}
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len);
typedef struct gpuMeshVcol {
ushort r, g, b, a;
} gpuMeshVcol;
gpuMeshVcol *vcol_data = (gpuMeshVcol *)GPU_vertbuf_get_data(vbo);
MLoop *loops = CustomData_get_layer(cd_ldata, CD_MLOOP);
for (int i = 0; i < MAX_MCOL; i++) {
if (vcol_layers & (1 << i)) {
if (mr->extract_type == MR_EXTRACT_BMESH) {
int cd_ofs = CustomData_get_n_offset(cd_ldata, CD_MLOOPCOL, i);
BMIter f_iter;
BMFace *efa;
BM_ITER_MESH (efa, &f_iter, mr->bm, BM_FACES_OF_MESH) {
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(efa);
do {
const MLoopCol *mloopcol = BM_ELEM_CD_GET_VOID_P(l_iter, cd_ofs);
vcol_data->r = unit_float_to_ushort_clamp(BLI_color_from_srgb_table[mloopcol->r]);
vcol_data->g = unit_float_to_ushort_clamp(BLI_color_from_srgb_table[mloopcol->g]);
vcol_data->b = unit_float_to_ushort_clamp(BLI_color_from_srgb_table[mloopcol->b]);
vcol_data->a = unit_float_to_ushort_clamp(mloopcol->a * (1.0f / 255.0f));
vcol_data++;
} while ((l_iter = l_iter->next) != l_first);
}
}
else {
const MLoopCol *mloopcol = (MLoopCol *)CustomData_get_layer_n(cd_ldata, CD_MLOOPCOL, i);
for (int ml_index = 0; ml_index < mr->loop_len; ml_index++, mloopcol++, vcol_data++) {
vcol_data->r = unit_float_to_ushort_clamp(BLI_color_from_srgb_table[mloopcol->r]);
vcol_data->g = unit_float_to_ushort_clamp(BLI_color_from_srgb_table[mloopcol->g]);
vcol_data->b = unit_float_to_ushort_clamp(BLI_color_from_srgb_table[mloopcol->b]);
vcol_data->a = unit_float_to_ushort_clamp(mloopcol->a * (1.0f / 255.0f));
}
}
}
if (svcol_layers & (1 << i) && U.experimental.use_sculpt_vertex_colors) {
if (mr->extract_type == MR_EXTRACT_BMESH) {
int cd_ofs = CustomData_get_n_offset(cd_vdata, CD_PROP_COLOR, i);
BMIter f_iter;
BMFace *efa;
BM_ITER_MESH (efa, &f_iter, mr->bm, BM_FACES_OF_MESH) {
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(efa);
do {
const MPropCol *prop_col = BM_ELEM_CD_GET_VOID_P(l_iter->v, cd_ofs);
vcol_data->r = unit_float_to_ushort_clamp(prop_col->color[0]);
vcol_data->g = unit_float_to_ushort_clamp(prop_col->color[1]);
vcol_data->b = unit_float_to_ushort_clamp(prop_col->color[2]);
vcol_data->a = unit_float_to_ushort_clamp(prop_col->color[3]);
vcol_data++;
} while ((l_iter = l_iter->next) != l_first);
}
}
else {
MPropCol *vcol = CustomData_get_layer_n(cd_vdata, CD_PROP_COLOR, i);
for (int ml_index = 0; ml_index < mr->loop_len; ml_index++, vcol_data++) {
vcol_data->r = unit_float_to_ushort_clamp(vcol[loops[ml_index].v].color[0]);
vcol_data->g = unit_float_to_ushort_clamp(vcol[loops[ml_index].v].color[1]);
vcol_data->b = unit_float_to_ushort_clamp(vcol[loops[ml_index].v].color[2]);
vcol_data->a = unit_float_to_ushort_clamp(vcol[loops[ml_index].v].color[3]);
}
}
}
}
return NULL;
}
const MeshExtract extract_vcol = {.init = extract_vcol_init,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.vcol)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Orco
* \{ */
typedef struct MeshExtract_Orco_Data {
float (*vbo_data)[4];
float (*orco)[3];
} MeshExtract_Orco_Data;
static void *extract_orco_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
/* FIXME(fclem): We use the last component as a way to differentiate from generic vertex
* attributes. This is a substantial waste of video-ram and should be done another way.
* Unfortunately, at the time of writing, I did not found any other "non disruptive"
* alternative. */
GPU_vertformat_attr_add(&format, "orco", GPU_COMP_F32, 4, GPU_FETCH_FLOAT);
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len);
CustomData *cd_vdata = &mr->me->vdata;
MeshExtract_Orco_Data *data = MEM_mallocN(sizeof(*data), __func__);
data->vbo_data = (float(*)[4])GPU_vertbuf_get_data(vbo);
data->orco = CustomData_get_layer(cd_vdata, CD_ORCO);
/* Make sure `orco` layer was requested only if needed! */
BLI_assert(data->orco);
return data;
}
static void extract_orco_iter_poly_bm(const MeshRenderData *UNUSED(mr),
BMFace *f,
const int UNUSED(f_index),
void *data)
{
MeshExtract_Orco_Data *orco_data = (MeshExtract_Orco_Data *)data;
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
float *loop_orco = orco_data->vbo_data[l_index];
copy_v3_v3(loop_orco, orco_data->orco[BM_elem_index_get(l_iter->v)]);
loop_orco[3] = 0.0; /* Tag as not a generic attribute. */
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_orco_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int UNUSED(mp_index),
void *data)
{
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
MeshExtract_Orco_Data *orco_data = (MeshExtract_Orco_Data *)data;
float *loop_orco = orco_data->vbo_data[ml_index];
copy_v3_v3(loop_orco, orco_data->orco[ml->v]);
loop_orco[3] = 0.0; /* Tag as not a generic attribute. */
}
}
static void extract_orco_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(buf),
void *data)
{
MEM_freeN(data);
}
const MeshExtract extract_orco = {.init = extract_orco_init,
.iter_poly_bm = extract_orco_iter_poly_bm,
.iter_poly_mesh = extract_orco_iter_poly_mesh,
.finish = extract_orco_finish,
.data_flag = 0,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.orco)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Edge Factor
* Defines how much an edge is visible.
* \{ */
typedef struct MeshExtract_EdgeFac_Data {
uchar *vbo_data;
bool use_edge_render;
/* Number of loop per edge. */
uchar edge_loop_count[0];
} MeshExtract_EdgeFac_Data;
static float loop_edge_factor_get(const float f_no[3],
const float v_co[3],
const float v_no[3],
const float v_next_co[3])
{
float enor[3], evec[3];
sub_v3_v3v3(evec, v_next_co, v_co);
cross_v3_v3v3(enor, v_no, evec);
normalize_v3(enor);
float d = fabsf(dot_v3v3(enor, f_no));
/* Re-scale to the slider range. */
d *= (1.0f / 0.065f);
CLAMP(d, 0.0f, 1.0f);
return d;
}
static void *extract_edge_fac_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "wd", GPU_COMP_U8, 1, GPU_FETCH_INT_TO_FLOAT_UNIT);
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len + mr->loop_loose_len);
MeshExtract_EdgeFac_Data *data;
if (mr->extract_type == MR_EXTRACT_MESH) {
size_t edge_loop_count_size = sizeof(uint32_t) * mr->edge_len;
data = MEM_callocN(sizeof(*data) + edge_loop_count_size, __func__);
/* HACK(fclem) Detecting the need for edge render.
* We could have a flag in the mesh instead or check the modifier stack. */
const MEdge *med = mr->medge;
for (int e_index = 0; e_index < mr->edge_len; e_index++, med++) {
if ((med->flag & ME_EDGERENDER) == 0) {
data->use_edge_render = true;
break;
}
}
}
else {
data = MEM_callocN(sizeof(*data), __func__);
/* HACK to bypass non-manifold check in mesh_edge_fac_finish(). */
data->use_edge_render = true;
}
data->vbo_data = GPU_vertbuf_get_data(vbo);
return data;
}
static void extract_edge_fac_iter_poly_bm(const MeshRenderData *mr,
BMFace *f,
const int UNUSED(f_index),
void *_data)
{
MeshExtract_EdgeFac_Data *data = _data;
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
if (BM_edge_is_manifold(l_iter->e)) {
float ratio = loop_edge_factor_get(bm_face_no_get(mr, f),
bm_vert_co_get(mr, l_iter->v),
bm_vert_no_get(mr, l_iter->v),
bm_vert_co_get(mr, l_iter->next->v));
data->vbo_data[l_index] = ratio * 253 + 1;
}
else {
data->vbo_data[l_index] = 255;
}
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_edge_fac_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int mp_index,
void *_data)
{
MeshExtract_EdgeFac_Data *data = (MeshExtract_EdgeFac_Data *)_data;
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
if (data->use_edge_render) {
const MEdge *med = &mr->medge[ml->e];
data->vbo_data[ml_index] = (med->flag & ME_EDGERENDER) ? 255 : 0;
}
else {
/* Count loop per edge to detect non-manifold. */
if (data->edge_loop_count[ml->e] < 3) {
data->edge_loop_count[ml->e]++;
}
if (data->edge_loop_count[ml->e] == 2) {
/* Manifold */
const int ml_index_last = mp->totloop + mp->loopstart - 1;
const int ml_index_other = (ml_index == ml_index_last) ? mp->loopstart : (ml_index + 1);
const MLoop *ml_next = &mr->mloop[ml_index_other];
const MVert *v1 = &mr->mvert[ml->v];
const MVert *v2 = &mr->mvert[ml_next->v];
float vnor_f[3];
normal_short_to_float_v3(vnor_f, v1->no);
float ratio = loop_edge_factor_get(mr->poly_normals[mp_index], v1->co, vnor_f, v2->co);
data->vbo_data[ml_index] = ratio * 253 + 1;
}
else {
/* Non-manifold */
data->vbo_data[ml_index] = 255;
}
}
}
}
static void extract_edge_fac_iter_ledge_bm(const MeshRenderData *mr,
BMEdge *UNUSED(eed),
const int ledge_index,
void *_data)
{
MeshExtract_EdgeFac_Data *data = _data;
data->vbo_data[mr->loop_len + (ledge_index * 2) + 0] = 255;
data->vbo_data[mr->loop_len + (ledge_index * 2) + 1] = 255;
}
static void extract_edge_fac_iter_ledge_mesh(const MeshRenderData *mr,
const MEdge *UNUSED(med),
const uint ledge_index,
void *_data)
{
MeshExtract_EdgeFac_Data *data = _data;
data->vbo_data[mr->loop_len + ledge_index * 2 + 0] = 255;
data->vbo_data[mr->loop_len + ledge_index * 2 + 1] = 255;
}
static void extract_edge_fac_finish(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf,
void *_data)
{
GPUVertBuf *vbo = buf;
MeshExtract_EdgeFac_Data *data = _data;
if (GPU_crappy_amd_driver()) {
/* Some AMD drivers strangely crash with VBO's with a one byte format.
* To workaround we reinitialize the VBO with another format and convert
* all bytes to floats. */
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "wd", GPU_COMP_F32, 1, GPU_FETCH_FLOAT);
}
/* We keep the data reference in data->vbo_data. */
data->vbo_data = GPU_vertbuf_steal_data(vbo);
GPU_vertbuf_clear(vbo);
int buf_len = mr->loop_len + mr->loop_loose_len;
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, buf_len);
float *fdata = (float *)GPU_vertbuf_get_data(vbo);
for (int ml_index = 0; ml_index < buf_len; ml_index++, fdata++) {
*fdata = data->vbo_data[ml_index] / 255.0f;
}
/* Free old byte data. */
MEM_freeN(data->vbo_data);
}
MEM_freeN(data);
}
const MeshExtract extract_edge_fac = {
.init = extract_edge_fac_init,
.iter_poly_bm = extract_edge_fac_iter_poly_bm,
.iter_poly_mesh = extract_edge_fac_iter_poly_mesh,
.iter_ledge_bm = extract_edge_fac_iter_ledge_bm,
.iter_ledge_mesh = extract_edge_fac_iter_ledge_mesh,
.finish = extract_edge_fac_finish,
.data_flag = MR_DATA_POLY_NOR,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.edge_fac)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Vertex Weight
* \{ */
typedef struct MeshExtract_Weight_Data {
float *vbo_data;
const DRW_MeshWeightState *wstate;
const MDeformVert *dvert; /* For #Mesh. */
int cd_ofs; /* For #BMesh. */
} MeshExtract_Weight_Data;
static float evaluate_vertex_weight(const MDeformVert *dvert, const DRW_MeshWeightState *wstate)
{
/* Error state. */
if ((wstate->defgroup_active < 0) && (wstate->defgroup_len > 0)) {
return -2.0f;
}
if (dvert == NULL) {
return (wstate->alert_mode != OB_DRAW_GROUPUSER_NONE) ? -1.0f : 0.0f;
}
float input = 0.0f;
if (wstate->flags & DRW_MESH_WEIGHT_STATE_MULTIPAINT) {
/* Multi-Paint feature */
bool is_normalized = (wstate->flags & (DRW_MESH_WEIGHT_STATE_AUTO_NORMALIZE |
DRW_MESH_WEIGHT_STATE_LOCK_RELATIVE));
input = BKE_defvert_multipaint_collective_weight(dvert,
wstate->defgroup_len,
wstate->defgroup_sel,
wstate->defgroup_sel_count,
is_normalized);
/* make it black if the selected groups have no weight on a vertex */
if (input == 0.0f) {
return -1.0f;
}
}
else {
/* default, non tricky behavior */
input = BKE_defvert_find_weight(dvert, wstate->defgroup_active);
if (input == 0.0f) {
switch (wstate->alert_mode) {
case OB_DRAW_GROUPUSER_ACTIVE:
return -1.0f;
break;
case OB_DRAW_GROUPUSER_ALL:
if (BKE_defvert_is_weight_zero(dvert, wstate->defgroup_len)) {
return -1.0f;
}
break;
}
}
}
/* Lock-Relative: display the fraction of current weight vs total unlocked weight. */
if (wstate->flags & DRW_MESH_WEIGHT_STATE_LOCK_RELATIVE) {
input = BKE_defvert_lock_relative_weight(
input, dvert, wstate->defgroup_len, wstate->defgroup_locked, wstate->defgroup_unlocked);
}
CLAMP(input, 0.0f, 1.0f);
return input;
}
static void *extract_weights_init(const MeshRenderData *mr,
struct MeshBatchCache *cache,
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "weight", GPU_COMP_F32, 1, GPU_FETCH_FLOAT);
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len + mr->loop_loose_len);
MeshExtract_Weight_Data *data = MEM_callocN(sizeof(*data), __func__);
data->vbo_data = (float *)GPU_vertbuf_get_data(vbo);
data->wstate = &cache->weight_state;
if (data->wstate->defgroup_active == -1) {
/* Nothing to show. */
data->dvert = NULL;
data->cd_ofs = -1;
}
else if (mr->extract_type == MR_EXTRACT_BMESH) {
data->dvert = NULL;
data->cd_ofs = CustomData_get_offset(&mr->bm->vdata, CD_MDEFORMVERT);
}
else {
data->dvert = CustomData_get_layer(&mr->me->vdata, CD_MDEFORMVERT);
data->cd_ofs = -1;
}
return data;
}
static void extract_weights_iter_poly_bm(const MeshRenderData *UNUSED(mr),
BMFace *f,
const int UNUSED(f_index),
void *_data)
{
MeshExtract_Weight_Data *data = _data;
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
if (data->cd_ofs != -1) {
const MDeformVert *dvert = BM_ELEM_CD_GET_VOID_P(l_iter->v, data->cd_ofs);
data->vbo_data[l_index] = evaluate_vertex_weight(dvert, data->wstate);
}
else {
data->vbo_data[l_index] = evaluate_vertex_weight(NULL, data->wstate);
}
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_weights_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int UNUSED(mp_index),
void *_data)
{
MeshExtract_Weight_Data *data = _data;
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
if (data->dvert != NULL) {
const MDeformVert *dvert = &data->dvert[ml->v];
data->vbo_data[ml_index] = evaluate_vertex_weight(dvert, data->wstate);
}
else {
const MDeformVert *dvert = NULL;
data->vbo_data[ml_index] = evaluate_vertex_weight(dvert, data->wstate);
}
}
}
static void extract_weights_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(buf),
void *data)
{
MEM_freeN(data);
}
const MeshExtract extract_weights = {.init = extract_weights_init,
.iter_poly_bm = extract_weights_iter_poly_bm,
.iter_poly_mesh = extract_weights_iter_poly_mesh,
.finish = extract_weights_finish,
.data_flag = 0,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.weights)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Edit Mode Data / Flags
* \{ */
typedef struct EditLoopData {
uchar v_flag;
uchar e_flag;
uchar crease;
uchar bweight;
} EditLoopData;
static void mesh_render_data_face_flag(const MeshRenderData *mr,
BMFace *efa,
const int cd_ofs,
EditLoopData *eattr)
{
if (efa == mr->efa_act) {
eattr->v_flag |= VFLAG_FACE_ACTIVE;
}
if (BM_elem_flag_test(efa, BM_ELEM_SELECT)) {
eattr->v_flag |= VFLAG_FACE_SELECTED;
}
if (efa == mr->efa_act_uv) {
eattr->v_flag |= VFLAG_FACE_UV_ACTIVE;
}
if ((cd_ofs != -1) && uvedit_face_select_test_ex(mr->toolsettings, (BMFace *)efa, cd_ofs)) {
eattr->v_flag |= VFLAG_FACE_UV_SELECT;
}
#ifdef WITH_FREESTYLE
if (mr->freestyle_face_ofs != -1) {
const FreestyleFace *ffa = BM_ELEM_CD_GET_VOID_P(efa, mr->freestyle_face_ofs);
if (ffa->flag & FREESTYLE_FACE_MARK) {
eattr->v_flag |= VFLAG_FACE_FREESTYLE;
}
}
#endif
}
static void mesh_render_data_edge_flag(const MeshRenderData *mr, BMEdge *eed, EditLoopData *eattr)
{
const ToolSettings *ts = mr->toolsettings;
const bool is_vertex_select_mode = (ts != NULL) && (ts->selectmode & SCE_SELECT_VERTEX) != 0;
const bool is_face_only_select_mode = (ts != NULL) && (ts->selectmode == SCE_SELECT_FACE);
if (eed == mr->eed_act) {
eattr->e_flag |= VFLAG_EDGE_ACTIVE;
}
if (!is_vertex_select_mode && BM_elem_flag_test(eed, BM_ELEM_SELECT)) {
eattr->e_flag |= VFLAG_EDGE_SELECTED;
}
if (is_vertex_select_mode && BM_elem_flag_test(eed->v1, BM_ELEM_SELECT) &&
BM_elem_flag_test(eed->v2, BM_ELEM_SELECT)) {
eattr->e_flag |= VFLAG_EDGE_SELECTED;
eattr->e_flag |= VFLAG_VERT_SELECTED;
}
if (BM_elem_flag_test(eed, BM_ELEM_SEAM)) {
eattr->e_flag |= VFLAG_EDGE_SEAM;
}
if (!BM_elem_flag_test(eed, BM_ELEM_SMOOTH)) {
eattr->e_flag |= VFLAG_EDGE_SHARP;
}
/* Use active edge color for active face edges because
* specular highlights make it hard to see T55456#510873.
*
* This isn't ideal since it can't be used when mixing edge/face modes
* but it's still better than not being able to see the active face. */
if (is_face_only_select_mode) {
if (mr->efa_act != NULL) {
if (BM_edge_in_face(eed, mr->efa_act)) {
eattr->e_flag |= VFLAG_EDGE_ACTIVE;
}
}
}
/* Use a byte for value range */
if (mr->crease_ofs != -1) {
float crease = BM_ELEM_CD_GET_FLOAT(eed, mr->crease_ofs);
if (crease > 0) {
eattr->crease = (uchar)(crease * 255.0f);
}
}
/* Use a byte for value range */
if (mr->bweight_ofs != -1) {
float bweight = BM_ELEM_CD_GET_FLOAT(eed, mr->bweight_ofs);
if (bweight > 0) {
eattr->bweight = (uchar)(bweight * 255.0f);
}
}
#ifdef WITH_FREESTYLE
if (mr->freestyle_edge_ofs != -1) {
const FreestyleEdge *fed = BM_ELEM_CD_GET_VOID_P(eed, mr->freestyle_edge_ofs);
if (fed->flag & FREESTYLE_EDGE_MARK) {
eattr->e_flag |= VFLAG_EDGE_FREESTYLE;
}
}
#endif
}
static void mesh_render_data_loop_flag(const MeshRenderData *mr,
BMLoop *l,
const int cd_ofs,
EditLoopData *eattr)
{
if (cd_ofs == -1) {
return;
}
MLoopUV *luv = BM_ELEM_CD_GET_VOID_P(l, cd_ofs);
if (luv != NULL && (luv->flag & MLOOPUV_PINNED)) {
eattr->v_flag |= VFLAG_VERT_UV_PINNED;
}
if (uvedit_uv_select_test_ex(mr->toolsettings, l, cd_ofs)) {
eattr->v_flag |= VFLAG_VERT_UV_SELECT;
}
}
static void mesh_render_data_loop_edge_flag(const MeshRenderData *mr,
BMLoop *l,
const int cd_ofs,
EditLoopData *eattr)
{
if (cd_ofs == -1) {
return;
}
if (uvedit_edge_select_test_ex(mr->toolsettings, l, cd_ofs)) {
eattr->v_flag |= VFLAG_EDGE_UV_SELECT;
eattr->v_flag |= VFLAG_VERT_UV_SELECT;
}
}
static void mesh_render_data_vert_flag(const MeshRenderData *mr, BMVert *eve, EditLoopData *eattr)
{
if (eve == mr->eve_act) {
eattr->e_flag |= VFLAG_VERT_ACTIVE;
}
if (BM_elem_flag_test(eve, BM_ELEM_SELECT)) {
eattr->e_flag |= VFLAG_VERT_SELECTED;
}
}
static void *extract_edit_data_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
/* WARNING: Adjust #EditLoopData struct accordingly. */
GPU_vertformat_attr_add(&format, "data", GPU_COMP_U8, 4, GPU_FETCH_INT);
GPU_vertformat_alias_add(&format, "flag");
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len + mr->loop_loose_len);
return GPU_vertbuf_get_data(vbo);
}
static void extract_edit_data_iter_poly_bm(const MeshRenderData *mr,
BMFace *f,
const int UNUSED(f_index),
void *_data)
{
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
EditLoopData *data = (EditLoopData *)_data + l_index;
memset(data, 0x0, sizeof(*data));
mesh_render_data_face_flag(mr, f, -1, data);
mesh_render_data_edge_flag(mr, l_iter->e, data);
mesh_render_data_vert_flag(mr, l_iter->v, data);
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_edit_data_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int mp_index,
void *_data)
{
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
EditLoopData *data = (EditLoopData *)_data + ml_index;
memset(data, 0x0, sizeof(*data));
BMFace *efa = bm_original_face_get(mr, mp_index);
BMEdge *eed = bm_original_edge_get(mr, ml->e);
BMVert *eve = bm_original_vert_get(mr, ml->v);
if (efa) {
mesh_render_data_face_flag(mr, efa, -1, data);
}
if (eed) {
mesh_render_data_edge_flag(mr, eed, data);
}
if (eve) {
mesh_render_data_vert_flag(mr, eve, data);
}
}
}
static void extract_edit_data_iter_ledge_bm(const MeshRenderData *mr,
BMEdge *eed,
const int ledge_index,
void *_data)
{
EditLoopData *data = (EditLoopData *)_data + mr->loop_len + (ledge_index * 2);
memset(data, 0x0, sizeof(*data) * 2);
mesh_render_data_edge_flag(mr, eed, &data[0]);
data[1] = data[0];
mesh_render_data_vert_flag(mr, eed->v1, &data[0]);
mesh_render_data_vert_flag(mr, eed->v2, &data[1]);
}
static void extract_edit_data_iter_ledge_mesh(const MeshRenderData *mr,
const MEdge *med,
const uint ledge_index,
void *_data)
{
EditLoopData *data = (EditLoopData *)_data + mr->loop_len + ledge_index * 2;
memset(data, 0x0, sizeof(*data) * 2);
const int e_index = mr->ledges[ledge_index];
BMEdge *eed = bm_original_edge_get(mr, e_index);
BMVert *eve1 = bm_original_vert_get(mr, med->v1);
BMVert *eve2 = bm_original_vert_get(mr, med->v2);
if (eed) {
mesh_render_data_edge_flag(mr, eed, &data[0]);
data[1] = data[0];
}
if (eve1) {
mesh_render_data_vert_flag(mr, eve1, &data[0]);
}
if (eve2) {
mesh_render_data_vert_flag(mr, eve2, &data[1]);
}
}
static void extract_edit_data_iter_lvert_bm(const MeshRenderData *mr,
BMVert *eve,
const int lvert_index,
void *_data)
{
const int offset = mr->loop_len + (mr->edge_loose_len * 2);
EditLoopData *data = (EditLoopData *)_data + offset + lvert_index;
memset(data, 0x0, sizeof(*data));
mesh_render_data_vert_flag(mr, eve, data);
}
static void extract_edit_data_iter_lvert_mesh(const MeshRenderData *mr,
const MVert *UNUSED(mv),
const int lvert_index,
void *_data)
{
const int offset = mr->loop_len + (mr->edge_loose_len * 2);
EditLoopData *data = (EditLoopData *)_data + offset + lvert_index;
memset(data, 0x0, sizeof(*data));
const int v_index = mr->lverts[lvert_index];
BMVert *eve = bm_original_vert_get(mr, v_index);
if (eve) {
mesh_render_data_vert_flag(mr, eve, data);
}
}
const MeshExtract extract_edit_data = {
.init = extract_edit_data_init,
.iter_poly_bm = extract_edit_data_iter_poly_bm,
.iter_poly_mesh = extract_edit_data_iter_poly_mesh,
.iter_ledge_bm = extract_edit_data_iter_ledge_bm,
.iter_ledge_mesh = extract_edit_data_iter_ledge_mesh,
.iter_lvert_bm = extract_edit_data_iter_lvert_bm,
.iter_lvert_mesh = extract_edit_data_iter_lvert_mesh,
.data_flag = 0,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.edit_data)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Edit UV Data / Flags
* \{ */
typedef struct MeshExtract_EditUVData_Data {
EditLoopData *vbo_data;
int cd_ofs;
} MeshExtract_EditUVData_Data;
static void *extract_edituv_data_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
/* WARNING: Adjust #EditLoopData struct accordingly. */
GPU_vertformat_attr_add(&format, "data", GPU_COMP_U8, 4, GPU_FETCH_INT);
GPU_vertformat_alias_add(&format, "flag");
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len);
CustomData *cd_ldata = (mr->extract_type == MR_EXTRACT_BMESH) ? &mr->bm->ldata : &mr->me->ldata;
MeshExtract_EditUVData_Data *data = MEM_callocN(sizeof(*data), __func__);
data->vbo_data = (EditLoopData *)GPU_vertbuf_get_data(vbo);
data->cd_ofs = CustomData_get_offset(cd_ldata, CD_MLOOPUV);
return data;
}
static void extract_edituv_data_iter_poly_bm(const MeshRenderData *mr,
BMFace *f,
const int UNUSED(f_index),
void *_data)
{
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
MeshExtract_EditUVData_Data *data = _data;
EditLoopData *eldata = &data->vbo_data[l_index];
memset(eldata, 0x0, sizeof(*eldata));
mesh_render_data_loop_flag(mr, l_iter, data->cd_ofs, eldata);
mesh_render_data_face_flag(mr, f, data->cd_ofs, eldata);
mesh_render_data_loop_edge_flag(mr, l_iter, data->cd_ofs, eldata);
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_edituv_data_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int mp_index,
void *_data)
{
MeshExtract_EditUVData_Data *data = _data;
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
EditLoopData *eldata = &data->vbo_data[ml_index];
memset(eldata, 0x0, sizeof(*eldata));
BMFace *efa = bm_original_face_get(mr, mp_index);
if (efa) {
BMEdge *eed = bm_original_edge_get(mr, ml->e);
BMVert *eve = bm_original_vert_get(mr, ml->v);
if (eed && eve) {
/* Loop on an edge endpoint. */
BMLoop *l = BM_face_edge_share_loop(efa, eed);
mesh_render_data_loop_flag(mr, l, data->cd_ofs, eldata);
mesh_render_data_loop_edge_flag(mr, l, data->cd_ofs, eldata);
}
else {
if (eed == NULL) {
/* Find if the loop's vert is not part of an edit edge.
* For this, we check if the previous loop was on an edge. */
const int ml_index_last = mp->loopstart + mp->totloop - 1;
const int l_prev = (ml_index == mp->loopstart) ? ml_index_last : (ml_index - 1);
const MLoop *ml_prev = &mr->mloop[l_prev];
eed = bm_original_edge_get(mr, ml_prev->e);
}
if (eed) {
/* Mapped points on an edge between two edit verts. */
BMLoop *l = BM_face_edge_share_loop(efa, eed);
mesh_render_data_loop_edge_flag(mr, l, data->cd_ofs, eldata);
}
}
}
}
}
static void extract_edituv_data_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(buf),
void *data)
{
MEM_freeN(data);
}
const MeshExtract extract_edituv_data = {
.init = extract_edituv_data_init,
.iter_poly_bm = extract_edituv_data_iter_poly_bm,
.iter_poly_mesh = extract_edituv_data_iter_poly_mesh,
.finish = extract_edituv_data_finish,
.data_flag = 0,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.edituv_data)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Edit UV area stretch
* \{ */
static void *extract_edituv_stretch_area_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "ratio", GPU_COMP_I16, 1, GPU_FETCH_INT_TO_FLOAT_UNIT);
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len);
return NULL;
}
BLI_INLINE float area_ratio_get(float area, float uvarea)
{
if (area >= FLT_EPSILON && uvarea >= FLT_EPSILON) {
/* Tag inversion by using the sign. */
return (area > uvarea) ? (uvarea / area) : -(area / uvarea);
}
return 0.0f;
}
BLI_INLINE float area_ratio_to_stretch(float ratio, float tot_ratio, float inv_tot_ratio)
{
ratio *= (ratio > 0.0f) ? tot_ratio : -inv_tot_ratio;
return (ratio > 1.0f) ? (1.0f / ratio) : ratio;
}
static void extract_edituv_stretch_area_finish(const MeshRenderData *mr,
struct MeshBatchCache *cache,
void *buf,
void *UNUSED(data))
{
GPUVertBuf *vbo = buf;
float tot_area = 0.0f, tot_uv_area = 0.0f;
float *area_ratio = MEM_mallocN(sizeof(float) * mr->poly_len, __func__);
if (mr->extract_type == MR_EXTRACT_BMESH) {
CustomData *cd_ldata = &mr->bm->ldata;
int uv_ofs = CustomData_get_offset(cd_ldata, CD_MLOOPUV);
BMFace *efa;
BMIter f_iter;
int f;
BM_ITER_MESH_INDEX (efa, &f_iter, mr->bm, BM_FACES_OF_MESH, f) {
float area = BM_face_calc_area(efa);
float uvarea = BM_face_calc_area_uv(efa, uv_ofs);
tot_area += area;
tot_uv_area += uvarea;
area_ratio[f] = area_ratio_get(area, uvarea);
}
}
else {
BLI_assert(ELEM(mr->extract_type, MR_EXTRACT_MAPPED, MR_EXTRACT_MESH));
const MLoopUV *uv_data = CustomData_get_layer(&mr->me->ldata, CD_MLOOPUV);
const MPoly *mp = mr->mpoly;
for (int mp_index = 0; mp_index < mr->poly_len; mp_index++, mp++) {
float area = BKE_mesh_calc_poly_area(mp, &mr->mloop[mp->loopstart], mr->mvert);
float uvarea = BKE_mesh_calc_poly_uv_area(mp, uv_data);
tot_area += area;
tot_uv_area += uvarea;
area_ratio[mp_index] = area_ratio_get(area, uvarea);
}
}
cache->tot_area = tot_area;
cache->tot_uv_area = tot_uv_area;
/* Convert in place to avoid an extra allocation */
uint16_t *poly_stretch = (uint16_t *)area_ratio;
for (int mp_index = 0; mp_index < mr->poly_len; mp_index++) {
poly_stretch[mp_index] = area_ratio[mp_index] * SHRT_MAX;
}
/* Copy face data for each loop. */
uint16_t *loop_stretch = (uint16_t *)GPU_vertbuf_get_data(vbo);
if (mr->extract_type == MR_EXTRACT_BMESH) {
BMFace *efa;
BMIter f_iter;
int f, l_index = 0;
BM_ITER_MESH_INDEX (efa, &f_iter, mr->bm, BM_FACES_OF_MESH, f) {
for (int i = 0; i < efa->len; i++, l_index++) {
loop_stretch[l_index] = poly_stretch[f];
}
}
}
else {
BLI_assert(ELEM(mr->extract_type, MR_EXTRACT_MAPPED, MR_EXTRACT_MESH));
const MPoly *mp = mr->mpoly;
for (int mp_index = 0, l_index = 0; mp_index < mr->poly_len; mp_index++, mp++) {
for (int i = 0; i < mp->totloop; i++, l_index++) {
loop_stretch[l_index] = poly_stretch[mp_index];
}
}
}
MEM_freeN(area_ratio);
}
const MeshExtract extract_edituv_stretch_area = {
.init = extract_edituv_stretch_area_init,
.finish = extract_edituv_stretch_area_finish,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.edituv_stretch_area)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Edit UV angle stretch
* \{ */
typedef struct UVStretchAngle {
int16_t angle;
int16_t uv_angles[2];
} UVStretchAngle;
typedef struct MeshExtract_StretchAngle_Data {
UVStretchAngle *vbo_data;
MLoopUV *luv;
float auv[2][2], last_auv[2];
float av[2][3], last_av[3];
int cd_ofs;
} MeshExtract_StretchAngle_Data;
static void compute_normalize_edge_vectors(float auv[2][2],
float av[2][3],
const float uv[2],
const float uv_prev[2],
const float co[3],
const float co_prev[3])
{
/* Move previous edge. */
copy_v2_v2(auv[0], auv[1]);
copy_v3_v3(av[0], av[1]);
/* 2d edge */
sub_v2_v2v2(auv[1], uv_prev, uv);
normalize_v2(auv[1]);
/* 3d edge */
sub_v3_v3v3(av[1], co_prev, co);
normalize_v3(av[1]);
}
static short v2_to_short_angle(const float v[2])
{
return atan2f(v[1], v[0]) * (float)M_1_PI * SHRT_MAX;
}
static void edituv_get_edituv_stretch_angle(float auv[2][2],
const float av[2][3],
UVStretchAngle *r_stretch)
{
/* Send UV's to the shader and let it compute the aspect corrected angle. */
r_stretch->uv_angles[0] = v2_to_short_angle(auv[0]);
r_stretch->uv_angles[1] = v2_to_short_angle(auv[1]);
/* Compute 3D angle here. */
r_stretch->angle = angle_normalized_v3v3(av[0], av[1]) * (float)M_1_PI * SHRT_MAX;
#if 0 /* here for reference, this is done in shader now. */
float uvang = angle_normalized_v2v2(auv0, auv1);
float ang = angle_normalized_v3v3(av0, av1);
float stretch = fabsf(uvang - ang) / (float)M_PI;
return 1.0f - pow2f(1.0f - stretch);
#endif
}
static void *extract_edituv_stretch_angle_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
/* Waning: adjust #UVStretchAngle struct accordingly. */
GPU_vertformat_attr_add(&format, "angle", GPU_COMP_I16, 1, GPU_FETCH_INT_TO_FLOAT_UNIT);
GPU_vertformat_attr_add(&format, "uv_angles", GPU_COMP_I16, 2, GPU_FETCH_INT_TO_FLOAT_UNIT);
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len);
MeshExtract_StretchAngle_Data *data = MEM_callocN(sizeof(*data), __func__);
data->vbo_data = (UVStretchAngle *)GPU_vertbuf_get_data(vbo);
/* Special iterator needed to save about half of the computing cost. */
if (mr->extract_type == MR_EXTRACT_BMESH) {
data->cd_ofs = CustomData_get_offset(&mr->bm->ldata, CD_MLOOPUV);
}
else {
BLI_assert(ELEM(mr->extract_type, MR_EXTRACT_MAPPED, MR_EXTRACT_MESH));
data->luv = CustomData_get_layer(&mr->me->ldata, CD_MLOOPUV);
}
return data;
}
static void extract_edituv_stretch_angle_iter_poly_bm(const MeshRenderData *mr,
BMFace *f,
const int UNUSED(f_index),
void *_data)
{
MeshExtract_StretchAngle_Data *data = _data;
float(*auv)[2] = data->auv, *last_auv = data->last_auv;
float(*av)[3] = data->av, *last_av = data->last_av;
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
const MLoopUV *luv, *luv_next;
BMLoop *l_next = l_iter->next;
if (l_iter == BM_FACE_FIRST_LOOP(f)) {
/* First loop in face. */
BMLoop *l_tmp = l_iter->prev;
BMLoop *l_next_tmp = l_iter;
luv = BM_ELEM_CD_GET_VOID_P(l_tmp, data->cd_ofs);
luv_next = BM_ELEM_CD_GET_VOID_P(l_next_tmp, data->cd_ofs);
compute_normalize_edge_vectors(auv,
av,
luv->uv,
luv_next->uv,
bm_vert_co_get(mr, l_tmp->v),
bm_vert_co_get(mr, l_next_tmp->v));
/* Save last edge. */
copy_v2_v2(last_auv, auv[1]);
copy_v3_v3(last_av, av[1]);
}
if (l_next == BM_FACE_FIRST_LOOP(f)) {
/* Move previous edge. */
copy_v2_v2(auv[0], auv[1]);
copy_v3_v3(av[0], av[1]);
/* Copy already calculated last edge. */
copy_v2_v2(auv[1], last_auv);
copy_v3_v3(av[1], last_av);
}
else {
luv = BM_ELEM_CD_GET_VOID_P(l_iter, data->cd_ofs);
luv_next = BM_ELEM_CD_GET_VOID_P(l_next, data->cd_ofs);
compute_normalize_edge_vectors(auv,
av,
luv->uv,
luv_next->uv,
bm_vert_co_get(mr, l_iter->v),
bm_vert_co_get(mr, l_next->v));
}
edituv_get_edituv_stretch_angle(auv, av, &data->vbo_data[l_index]);
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_edituv_stretch_angle_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int UNUSED(mp_index),
void *_data)
{
MeshExtract_StretchAngle_Data *data = _data;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
float(*auv)[2] = data->auv, *last_auv = data->last_auv;
float(*av)[3] = data->av, *last_av = data->last_av;
int l_next = ml_index + 1;
const MVert *v, *v_next;
if (ml_index == mp->loopstart) {
/* First loop in face. */
const int ml_index_last = ml_index_end - 1;
const int l_next_tmp = mp->loopstart;
v = &mr->mvert[mr->mloop[ml_index_last].v];
v_next = &mr->mvert[mr->mloop[l_next_tmp].v];
compute_normalize_edge_vectors(
auv, av, data->luv[ml_index_last].uv, data->luv[l_next_tmp].uv, v->co, v_next->co);
/* Save last edge. */
copy_v2_v2(last_auv, auv[1]);
copy_v3_v3(last_av, av[1]);
}
if (l_next == ml_index_end) {
l_next = mp->loopstart;
/* Move previous edge. */
copy_v2_v2(auv[0], auv[1]);
copy_v3_v3(av[0], av[1]);
/* Copy already calculated last edge. */
copy_v2_v2(auv[1], last_auv);
copy_v3_v3(av[1], last_av);
}
else {
v = &mr->mvert[mr->mloop[ml_index].v];
v_next = &mr->mvert[mr->mloop[l_next].v];
compute_normalize_edge_vectors(
auv, av, data->luv[ml_index].uv, data->luv[l_next].uv, v->co, v_next->co);
}
edituv_get_edituv_stretch_angle(auv, av, &data->vbo_data[ml_index]);
}
}
static void extract_edituv_stretch_angle_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(buf),
void *data)
{
MEM_freeN(data);
}
const MeshExtract extract_edituv_stretch_angle = {
.init = extract_edituv_stretch_angle_init,
.iter_poly_bm = extract_edituv_stretch_angle_iter_poly_bm,
.iter_poly_mesh = extract_edituv_stretch_angle_iter_poly_mesh,
.finish = extract_edituv_stretch_angle_finish,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.edituv_stretch_angle)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Edit Mesh Analysis Colors
* \{ */
static void *extract_mesh_analysis_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "weight", GPU_COMP_F32, 1, GPU_FETCH_FLOAT);
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len);
return NULL;
}
static void axis_from_enum_v3(float v[3], const char axis)
{
zero_v3(v);
if (axis < 3) {
v[axis] = 1.0f;
}
else {
v[axis - 3] = -1.0f;
}
}
BLI_INLINE float overhang_remap(float fac, float min, float max, float minmax_irange)
{
if (fac < min) {
fac = 1.0f;
}
else if (fac > max) {
fac = -1.0f;
}
else {
fac = (fac - min) * minmax_irange;
fac = 1.0f - fac;
CLAMP(fac, 0.0f, 1.0f);
}
return fac;
}
static void statvis_calc_overhang(const MeshRenderData *mr, float *r_overhang)
{
const MeshStatVis *statvis = &mr->toolsettings->statvis;
const float min = statvis->overhang_min / (float)M_PI;
const float max = statvis->overhang_max / (float)M_PI;
const char axis = statvis->overhang_axis;
BMEditMesh *em = mr->edit_bmesh;
BMIter iter;
BMesh *bm = em->bm;
BMFace *f;
float dir[3];
const float minmax_irange = 1.0f / (max - min);
BLI_assert(min <= max);
axis_from_enum_v3(dir, axis);
/* now convert into global space */
mul_transposed_mat3_m4_v3(mr->obmat, dir);
normalize_v3(dir);
if (mr->extract_type == MR_EXTRACT_BMESH) {
int l_index = 0;
BM_ITER_MESH (f, &iter, bm, BM_FACES_OF_MESH) {
float fac = angle_normalized_v3v3(bm_face_no_get(mr, f), dir) / (float)M_PI;
fac = overhang_remap(fac, min, max, minmax_irange);
for (int i = 0; i < f->len; i++, l_index++) {
r_overhang[l_index] = fac;
}
}
}
else {
const MPoly *mp = mr->mpoly;
for (int mp_index = 0, l_index = 0; mp_index < mr->poly_len; mp_index++, mp++) {
float fac = angle_normalized_v3v3(mr->poly_normals[mp_index], dir) / (float)M_PI;
fac = overhang_remap(fac, min, max, minmax_irange);
for (int i = 0; i < mp->totloop; i++, l_index++) {
r_overhang[l_index] = fac;
}
}
}
}
/**
* Needed so we can use jitter values for face interpolation.
*/
static void uv_from_jitter_v2(float uv[2])
{
uv[0] += 0.5f;
uv[1] += 0.5f;
if (uv[0] + uv[1] > 1.0f) {
uv[0] = 1.0f - uv[0];
uv[1] = 1.0f - uv[1];
}
clamp_v2(uv, 0.0f, 1.0f);
}
BLI_INLINE float thickness_remap(float fac, float min, float max, float minmax_irange)
{
/* important not '<=' */
if (fac < max) {
fac = (fac - min) * minmax_irange;
fac = 1.0f - fac;
CLAMP(fac, 0.0f, 1.0f);
}
else {
fac = -1.0f;
}
return fac;
}
static void statvis_calc_thickness(const MeshRenderData *mr, float *r_thickness)
{
const float eps_offset = 0.00002f; /* values <= 0.00001 give errors */
/* cheating to avoid another allocation */
float *face_dists = r_thickness + (mr->loop_len - mr->poly_len);
BMEditMesh *em = mr->edit_bmesh;
const float scale = 1.0f / mat4_to_scale(mr->obmat);
const MeshStatVis *statvis = &mr->toolsettings->statvis;
const float min = statvis->thickness_min * scale;
const float max = statvis->thickness_max * scale;
const float minmax_irange = 1.0f / (max - min);
const int samples = statvis->thickness_samples;
float jit_ofs[32][2];
BLI_assert(samples <= 32);
BLI_assert(min <= max);
copy_vn_fl(face_dists, mr->poly_len, max);
BLI_jitter_init(jit_ofs, samples);
for (int j = 0; j < samples; j++) {
uv_from_jitter_v2(jit_ofs[j]);
}
if (mr->extract_type == MR_EXTRACT_BMESH) {
BMesh *bm = em->bm;
BM_mesh_elem_index_ensure(bm, BM_FACE);
struct BMBVHTree *bmtree = BKE_bmbvh_new_from_editmesh(em, 0, NULL, false);
struct BMLoop *(*looptris)[3] = em->looptris;
for (int i = 0; i < mr->tri_len; i++) {
BMLoop **ltri = looptris[i];
const int index = BM_elem_index_get(ltri[0]->f);
const float *cos[3] = {
bm_vert_co_get(mr, ltri[0]->v),
bm_vert_co_get(mr, ltri[1]->v),
bm_vert_co_get(mr, ltri[2]->v),
};
float ray_co[3];
float ray_no[3];
normal_tri_v3(ray_no, cos[2], cos[1], cos[0]);
for (int j = 0; j < samples; j++) {
float dist = face_dists[index];
interp_v3_v3v3v3_uv(ray_co, cos[0], cos[1], cos[2], jit_ofs[j]);
madd_v3_v3fl(ray_co, ray_no, eps_offset);
BMFace *f_hit = BKE_bmbvh_ray_cast(bmtree, ray_co, ray_no, 0.0f, &dist, NULL, NULL);
if (f_hit && dist < face_dists[index]) {
float angle_fac = fabsf(
dot_v3v3(bm_face_no_get(mr, ltri[0]->f), bm_face_no_get(mr, f_hit)));
angle_fac = 1.0f - angle_fac;
angle_fac = angle_fac * angle_fac * angle_fac;
angle_fac = 1.0f - angle_fac;
dist /= angle_fac;
if (dist < face_dists[index]) {
face_dists[index] = dist;
}
}
}
}
BKE_bmbvh_free(bmtree);
BMIter iter;
BMFace *f;
int l_index = 0;
BM_ITER_MESH (f, &iter, bm, BM_FACES_OF_MESH) {
float fac = face_dists[BM_elem_index_get(f)];
fac = thickness_remap(fac, min, max, minmax_irange);
for (int i = 0; i < f->len; i++, l_index++) {
r_thickness[l_index] = fac;
}
}
}
else {
BVHTreeFromMesh treeData = {NULL};
BVHTree *tree = BKE_bvhtree_from_mesh_get(&treeData, mr->me, BVHTREE_FROM_LOOPTRI, 4);
const MLoopTri *mlooptri = mr->mlooptri;
for (int i = 0; i < mr->tri_len; i++, mlooptri++) {
const int index = mlooptri->poly;
const float *cos[3] = {mr->mvert[mr->mloop[mlooptri->tri[0]].v].co,
mr->mvert[mr->mloop[mlooptri->tri[1]].v].co,
mr->mvert[mr->mloop[mlooptri->tri[2]].v].co};
float ray_co[3];
float ray_no[3];
normal_tri_v3(ray_no, cos[2], cos[1], cos[0]);
for (int j = 0; j < samples; j++) {
interp_v3_v3v3v3_uv(ray_co, cos[0], cos[1], cos[2], jit_ofs[j]);
madd_v3_v3fl(ray_co, ray_no, eps_offset);
BVHTreeRayHit hit;
hit.index = -1;
hit.dist = face_dists[index];
if ((BLI_bvhtree_ray_cast(
tree, ray_co, ray_no, 0.0f, &hit, treeData.raycast_callback, &treeData) != -1) &&
hit.dist < face_dists[index]) {
float angle_fac = fabsf(dot_v3v3(mr->poly_normals[index], hit.no));
angle_fac = 1.0f - angle_fac;
angle_fac = angle_fac * angle_fac * angle_fac;
angle_fac = 1.0f - angle_fac;
hit.dist /= angle_fac;
if (hit.dist < face_dists[index]) {
face_dists[index] = hit.dist;
}
}
}
}
const MPoly *mp = mr->mpoly;
for (int mp_index = 0, l_index = 0; mp_index < mr->poly_len; mp_index++, mp++) {
float fac = face_dists[mp_index];
fac = thickness_remap(fac, min, max, minmax_irange);
for (int i = 0; i < mp->totloop; i++, l_index++) {
r_thickness[l_index] = fac;
}
}
}
}
struct BVHTree_OverlapData {
const Mesh *me;
const MLoopTri *mlooptri;
float epsilon;
};
static bool bvh_overlap_cb(void *userdata, int index_a, int index_b, int UNUSED(thread))
{
struct BVHTree_OverlapData *data = userdata;
const Mesh *me = data->me;
const MLoopTri *tri_a = &data->mlooptri[index_a];
const MLoopTri *tri_b = &data->mlooptri[index_b];
if (UNLIKELY(tri_a->poly == tri_b->poly)) {
return false;
}
const float *tri_a_co[3] = {me->mvert[me->mloop[tri_a->tri[0]].v].co,
me->mvert[me->mloop[tri_a->tri[1]].v].co,
me->mvert[me->mloop[tri_a->tri[2]].v].co};
const float *tri_b_co[3] = {me->mvert[me->mloop[tri_b->tri[0]].v].co,
me->mvert[me->mloop[tri_b->tri[1]].v].co,
me->mvert[me->mloop[tri_b->tri[2]].v].co};
float ix_pair[2][3];
int verts_shared = 0;
verts_shared = (ELEM(tri_a_co[0], UNPACK3(tri_b_co)) + ELEM(tri_a_co[1], UNPACK3(tri_b_co)) +
ELEM(tri_a_co[2], UNPACK3(tri_b_co)));
/* if 2 points are shared, bail out */
if (verts_shared >= 2) {
return false;
}
return (isect_tri_tri_v3(UNPACK3(tri_a_co), UNPACK3(tri_b_co), ix_pair[0], ix_pair[1]) &&
/* if we share a vertex, check the intersection isn't a 'point' */
((verts_shared == 0) || (len_squared_v3v3(ix_pair[0], ix_pair[1]) > data->epsilon)));
}
static void statvis_calc_intersect(const MeshRenderData *mr, float *r_intersect)
{
BMEditMesh *em = mr->edit_bmesh;
for (int l_index = 0; l_index < mr->loop_len; l_index++) {
r_intersect[l_index] = -1.0f;
}
if (mr->extract_type == MR_EXTRACT_BMESH) {
uint overlap_len;
BMesh *bm = em->bm;
BM_mesh_elem_index_ensure(bm, BM_FACE);
struct BMBVHTree *bmtree = BKE_bmbvh_new_from_editmesh(em, 0, NULL, false);
BVHTreeOverlap *overlap = BKE_bmbvh_overlap_self(bmtree, &overlap_len);
if (overlap) {
for (int i = 0; i < overlap_len; i++) {
BMFace *f_hit_pair[2] = {
em->looptris[overlap[i].indexA][0]->f,
em->looptris[overlap[i].indexB][0]->f,
};
for (int j = 0; j < 2; j++) {
BMFace *f_hit = f_hit_pair[j];
BMLoop *l_first = BM_FACE_FIRST_LOOP(f_hit);
int l_index = BM_elem_index_get(l_first);
for (int k = 0; k < f_hit->len; k++, l_index++) {
r_intersect[l_index] = 1.0f;
}
}
}
MEM_freeN(overlap);
}
BKE_bmbvh_free(bmtree);
}
else {
uint overlap_len;
BVHTreeFromMesh treeData = {NULL};
BVHTree *tree = BKE_bvhtree_from_mesh_get(&treeData, mr->me, BVHTREE_FROM_LOOPTRI, 4);
struct BVHTree_OverlapData data = {
.me = mr->me, .mlooptri = mr->mlooptri, .epsilon = BLI_bvhtree_get_epsilon(tree)};
BVHTreeOverlap *overlap = BLI_bvhtree_overlap(tree, tree, &overlap_len, bvh_overlap_cb, &data);
if (overlap) {
for (int i = 0; i < overlap_len; i++) {
const MPoly *f_hit_pair[2] = {
&mr->mpoly[mr->mlooptri[overlap[i].indexA].poly],
&mr->mpoly[mr->mlooptri[overlap[i].indexB].poly],
};
for (int j = 0; j < 2; j++) {
const MPoly *f_hit = f_hit_pair[j];
int l_index = f_hit->loopstart;
for (int k = 0; k < f_hit->totloop; k++, l_index++) {
r_intersect[l_index] = 1.0f;
}
}
}
MEM_freeN(overlap);
}
}
}
BLI_INLINE float distort_remap(float fac, float min, float UNUSED(max), float minmax_irange)
{
if (fac >= min) {
fac = (fac - min) * minmax_irange;
CLAMP(fac, 0.0f, 1.0f);
}
else {
/* fallback */
fac = -1.0f;
}
return fac;
}
static void statvis_calc_distort(const MeshRenderData *mr, float *r_distort)
{
BMEditMesh *em = mr->edit_bmesh;
const MeshStatVis *statvis = &mr->toolsettings->statvis;
const float min = statvis->distort_min;
const float max = statvis->distort_max;
const float minmax_irange = 1.0f / (max - min);
if (mr->extract_type == MR_EXTRACT_BMESH) {
BMIter iter;
BMesh *bm = em->bm;
BMFace *f;
if (mr->bm_vert_coords != NULL) {
BKE_editmesh_cache_ensure_poly_normals(em, mr->edit_data);
/* Most likely this is already valid, ensure just in case.
* Needed for #BM_loop_calc_face_normal_safe_vcos. */
BM_mesh_elem_index_ensure(em->bm, BM_VERT);
}
int l_index = 0;
int f_index = 0;
BM_ITER_MESH_INDEX (f, &iter, bm, BM_FACES_OF_MESH, f_index) {
float fac = -1.0f;
if (f->len > 3) {
BMLoop *l_iter, *l_first;
fac = 0.0f;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const float *no_face;
float no_corner[3];
if (mr->bm_vert_coords != NULL) {
no_face = mr->bm_poly_normals[f_index];
BM_loop_calc_face_normal_safe_vcos(l_iter, no_face, mr->bm_vert_coords, no_corner);
}
else {
no_face = f->no;
BM_loop_calc_face_normal_safe(l_iter, no_corner);
}
/* simple way to detect (what is most likely) concave */
if (dot_v3v3(no_face, no_corner) < 0.0f) {
negate_v3(no_corner);
}
fac = max_ff(fac, angle_normalized_v3v3(no_face, no_corner));
} while ((l_iter = l_iter->next) != l_first);
fac *= 2.0f;
}
fac = distort_remap(fac, min, max, minmax_irange);
for (int i = 0; i < f->len; i++, l_index++) {
r_distort[l_index] = fac;
}
}
}
else {
const MPoly *mp = mr->mpoly;
for (int mp_index = 0, l_index = 0; mp_index < mr->poly_len; mp_index++, mp++) {
float fac = -1.0f;
if (mp->totloop > 3) {
float *f_no = mr->poly_normals[mp_index];
fac = 0.0f;
for (int i = 1; i <= mp->totloop; i++) {
const MLoop *l_prev = &mr->mloop[mp->loopstart + (i - 1) % mp->totloop];
const MLoop *l_curr = &mr->mloop[mp->loopstart + (i + 0) % mp->totloop];
const MLoop *l_next = &mr->mloop[mp->loopstart + (i + 1) % mp->totloop];
float no_corner[3];
normal_tri_v3(no_corner,
mr->mvert[l_prev->v].co,
mr->mvert[l_curr->v].co,
mr->mvert[l_next->v].co);
/* simple way to detect (what is most likely) concave */
if (dot_v3v3(f_no, no_corner) < 0.0f) {
negate_v3(no_corner);
}
fac = max_ff(fac, angle_normalized_v3v3(f_no, no_corner));
}
fac *= 2.0f;
}
fac = distort_remap(fac, min, max, minmax_irange);
for (int i = 0; i < mp->totloop; i++, l_index++) {
r_distort[l_index] = fac;
}
}
}
}
BLI_INLINE float sharp_remap(float fac, float min, float UNUSED(max), float minmax_irange)
{
/* important not '>=' */
if (fac > min) {
fac = (fac - min) * minmax_irange;
CLAMP(fac, 0.0f, 1.0f);
}
else {
/* fallback */
fac = -1.0f;
}
return fac;
}
static void statvis_calc_sharp(const MeshRenderData *mr, float *r_sharp)
{
BMEditMesh *em = mr->edit_bmesh;
const MeshStatVis *statvis = &mr->toolsettings->statvis;
const float min = statvis->sharp_min;
const float max = statvis->sharp_max;
const float minmax_irange = 1.0f / (max - min);
/* Can we avoid this extra allocation? */
float *vert_angles = MEM_mallocN(sizeof(float) * mr->vert_len, __func__);
copy_vn_fl(vert_angles, mr->vert_len, -M_PI);
if (mr->extract_type == MR_EXTRACT_BMESH) {
BMIter iter;
BMesh *bm = em->bm;
BMFace *efa;
BMEdge *e;
/* first assign float values to verts */
BM_ITER_MESH (e, &iter, bm, BM_EDGES_OF_MESH) {
float angle = BM_edge_calc_face_angle_signed(e);
float *col1 = &vert_angles[BM_elem_index_get(e->v1)];
float *col2 = &vert_angles[BM_elem_index_get(e->v2)];
*col1 = max_ff(*col1, angle);
*col2 = max_ff(*col2, angle);
}
/* Copy vert value to loops. */
BM_ITER_MESH (efa, &iter, bm, BM_FACES_OF_MESH) {
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(efa);
do {
int l_index = BM_elem_index_get(l_iter);
int v_index = BM_elem_index_get(l_iter->v);
r_sharp[l_index] = sharp_remap(vert_angles[v_index], min, max, minmax_irange);
} while ((l_iter = l_iter->next) != l_first);
}
}
else {
/* first assign float values to verts */
const MPoly *mp = mr->mpoly;
EdgeHash *eh = BLI_edgehash_new_ex(__func__, mr->edge_len);
for (int mp_index = 0; mp_index < mr->poly_len; mp_index++, mp++) {
for (int i = 0; i < mp->totloop; i++) {
const MLoop *l_curr = &mr->mloop[mp->loopstart + (i + 0) % mp->totloop];
const MLoop *l_next = &mr->mloop[mp->loopstart + (i + 1) % mp->totloop];
const MVert *v_curr = &mr->mvert[l_curr->v];
const MVert *v_next = &mr->mvert[l_next->v];
float angle;
void **pval;
bool value_is_init = BLI_edgehash_ensure_p(eh, l_curr->v, l_next->v, &pval);
if (!value_is_init) {
*pval = mr->poly_normals[mp_index];
/* non-manifold edge, yet... */
continue;
}
if (*pval != NULL) {
const float *f1_no = mr->poly_normals[mp_index];
const float *f2_no = *pval;
angle = angle_normalized_v3v3(f1_no, f2_no);
angle = is_edge_convex_v3(v_curr->co, v_next->co, f1_no, f2_no) ? angle : -angle;
/* Tag as manifold. */
*pval = NULL;
}
else {
/* non-manifold edge */
angle = DEG2RADF(90.0f);
}
float *col1 = &vert_angles[l_curr->v];
float *col2 = &vert_angles[l_next->v];
*col1 = max_ff(*col1, angle);
*col2 = max_ff(*col2, angle);
}
}
/* Remaining non manifold edges. */
EdgeHashIterator *ehi = BLI_edgehashIterator_new(eh);
for (; !BLI_edgehashIterator_isDone(ehi); BLI_edgehashIterator_step(ehi)) {
if (BLI_edgehashIterator_getValue(ehi) != NULL) {
uint v1, v2;
const float angle = DEG2RADF(90.0f);
BLI_edgehashIterator_getKey(ehi, &v1, &v2);
float *col1 = &vert_angles[v1];
float *col2 = &vert_angles[v2];
*col1 = max_ff(*col1, angle);
*col2 = max_ff(*col2, angle);
}
}
BLI_edgehashIterator_free(ehi);
BLI_edgehash_free(eh, NULL);
const MLoop *ml = mr->mloop;
for (int l_index = 0; l_index < mr->loop_len; l_index++, ml++) {
r_sharp[l_index] = sharp_remap(vert_angles[ml->v], min, max, minmax_irange);
}
}
MEM_freeN(vert_angles);
}
static void extract_analysis_iter_finish_mesh(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf,
void *UNUSED(data))
{
GPUVertBuf *vbo = buf;
BLI_assert(mr->edit_bmesh);
float *l_weight = (float *)GPU_vertbuf_get_data(vbo);
switch (mr->toolsettings->statvis.type) {
case SCE_STATVIS_OVERHANG:
statvis_calc_overhang(mr, l_weight);
break;
case SCE_STATVIS_THICKNESS:
statvis_calc_thickness(mr, l_weight);
break;
case SCE_STATVIS_INTERSECT:
statvis_calc_intersect(mr, l_weight);
break;
case SCE_STATVIS_DISTORT:
statvis_calc_distort(mr, l_weight);
break;
case SCE_STATVIS_SHARP:
statvis_calc_sharp(mr, l_weight);
break;
}
}
const MeshExtract extract_mesh_analysis = {
.init = extract_mesh_analysis_init,
.finish = extract_analysis_iter_finish_mesh,
/* This is not needed for all visualization types.
* * Maybe split into different extract. */
.data_flag = MR_DATA_POLY_NOR | MR_DATA_LOOPTRI,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.mesh_analysis)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Facedots positions
* \{ */
static void *extract_fdots_pos_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->poly_len);
return GPU_vertbuf_get_data(vbo);
}
static void extract_fdots_pos_iter_poly_bm(const MeshRenderData *mr,
BMFace *f,
const int f_index,
void *data)
{
float(*center)[3] = data;
float *co = center[f_index];
zero_v3(co);
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
add_v3_v3(co, bm_vert_co_get(mr, l_iter->v));
} while ((l_iter = l_iter->next) != l_first);
mul_v3_fl(co, 1.0f / (float)f->len);
}
static void extract_fdots_pos_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int mp_index,
void *data)
{
float(*center)[3] = (float(*)[3])data;
float *co = center[mp_index];
zero_v3(co);
const MVert *mvert = mr->mvert;
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
if (mr->use_subsurf_fdots) {
const MVert *mv = &mr->mvert[ml->v];
if (mv->flag & ME_VERT_FACEDOT) {
copy_v3_v3(center[mp_index], mv->co);
break;
}
}
else {
const MVert *mv = &mvert[ml->v];
add_v3_v3(center[mp_index], mv->co);
}
}
if (!mr->use_subsurf_fdots) {
mul_v3_fl(co, 1.0f / (float)mp->totloop);
}
}
const MeshExtract extract_fdots_pos = {
.init = extract_fdots_pos_init,
.iter_poly_bm = extract_fdots_pos_iter_poly_bm,
.iter_poly_mesh = extract_fdots_pos_iter_poly_mesh,
.data_flag = 0,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.fdots_pos)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Facedots Normal and edit flag
* \{ */
#define NOR_AND_FLAG_DEFAULT 0
#define NOR_AND_FLAG_SELECT 1
#define NOR_AND_FLAG_ACTIVE -1
#define NOR_AND_FLAG_HIDDEN -2
static void *extract_fdots_nor_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "norAndFlag", GPU_COMP_I10, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->poly_len);
return NULL;
}
static void extract_fdots_nor_finish(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf,
void *UNUSED(data))
{
GPUVertBuf *vbo = buf;
static float invalid_normal[3] = {0.0f, 0.0f, 0.0f};
GPUPackedNormal *nor = (GPUPackedNormal *)GPU_vertbuf_get_data(vbo);
BMFace *efa;
/* Quicker than doing it for each loop. */
if (mr->extract_type == MR_EXTRACT_BMESH) {
for (int f = 0; f < mr->poly_len; f++) {
efa = BM_face_at_index(mr->bm, f);
const bool is_face_hidden = BM_elem_flag_test(efa, BM_ELEM_HIDDEN);
if (is_face_hidden || (mr->extract_type == MR_EXTRACT_MAPPED && mr->p_origindex &&
mr->p_origindex[f] == ORIGINDEX_NONE)) {
nor[f] = GPU_normal_convert_i10_v3(invalid_normal);
nor[f].w = NOR_AND_FLAG_HIDDEN;
}
else {
nor[f] = GPU_normal_convert_i10_v3(bm_face_no_get(mr, efa));
/* Select / Active Flag. */
nor[f].w = (BM_elem_flag_test(efa, BM_ELEM_SELECT) ?
((efa == mr->efa_act) ? NOR_AND_FLAG_ACTIVE : NOR_AND_FLAG_SELECT) :
NOR_AND_FLAG_DEFAULT);
}
}
}
else {
for (int f = 0; f < mr->poly_len; f++) {
efa = bm_original_face_get(mr, f);
const bool is_face_hidden = efa && BM_elem_flag_test(efa, BM_ELEM_HIDDEN);
if (is_face_hidden || (mr->extract_type == MR_EXTRACT_MAPPED && mr->p_origindex &&
mr->p_origindex[f] == ORIGINDEX_NONE)) {
nor[f] = GPU_normal_convert_i10_v3(invalid_normal);
nor[f].w = NOR_AND_FLAG_HIDDEN;
}
else {
nor[f] = GPU_normal_convert_i10_v3(bm_face_no_get(mr, efa));
/* Select / Active Flag. */
nor[f].w = (BM_elem_flag_test(efa, BM_ELEM_SELECT) ?
((efa == mr->efa_act) ? NOR_AND_FLAG_ACTIVE : NOR_AND_FLAG_SELECT) :
NOR_AND_FLAG_DEFAULT);
}
}
}
}
const MeshExtract extract_fdots_nor = {
.init = extract_fdots_nor_init,
.finish = extract_fdots_nor_finish,
.data_flag = MR_DATA_POLY_NOR,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.fdots_nor)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Facedots High Quality Normal and edit flag
* \{ */
static void *extract_fdots_nor_hq_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "norAndFlag", GPU_COMP_I16, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->poly_len);
return NULL;
}
static void extract_fdots_nor_hq_finish(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf,
void *UNUSED(data))
{
GPUVertBuf *vbo = buf;
static float invalid_normal[3] = {0.0f, 0.0f, 0.0f};
short *nor = (short *)GPU_vertbuf_get_data(vbo);
BMFace *efa;
/* Quicker than doing it for each loop. */
if (mr->extract_type == MR_EXTRACT_BMESH) {
for (int f = 0; f < mr->poly_len; f++) {
efa = BM_face_at_index(mr->bm, f);
const bool is_face_hidden = BM_elem_flag_test(efa, BM_ELEM_HIDDEN);
if (is_face_hidden || (mr->extract_type == MR_EXTRACT_MAPPED && mr->p_origindex &&
mr->p_origindex[f] == ORIGINDEX_NONE)) {
normal_float_to_short_v3(&nor[f * 4], invalid_normal);
nor[f * 4 + 3] = NOR_AND_FLAG_HIDDEN;
}
else {
normal_float_to_short_v3(&nor[f * 4], bm_face_no_get(mr, efa));
/* Select / Active Flag. */
nor[f * 4 + 3] = (BM_elem_flag_test(efa, BM_ELEM_SELECT) ?
((efa == mr->efa_act) ? NOR_AND_FLAG_ACTIVE : NOR_AND_FLAG_SELECT) :
NOR_AND_FLAG_DEFAULT);
}
}
}
else {
for (int f = 0; f < mr->poly_len; f++) {
efa = bm_original_face_get(mr, f);
const bool is_face_hidden = efa && BM_elem_flag_test(efa, BM_ELEM_HIDDEN);
if (is_face_hidden || (mr->extract_type == MR_EXTRACT_MAPPED && mr->p_origindex &&
mr->p_origindex[f] == ORIGINDEX_NONE)) {
normal_float_to_short_v3(&nor[f * 4], invalid_normal);
nor[f * 4 + 3] = NOR_AND_FLAG_HIDDEN;
}
else {
normal_float_to_short_v3(&nor[f * 4], bm_face_no_get(mr, efa));
/* Select / Active Flag. */
nor[f * 4 + 3] = (BM_elem_flag_test(efa, BM_ELEM_SELECT) ?
((efa == mr->efa_act) ? NOR_AND_FLAG_ACTIVE : NOR_AND_FLAG_SELECT) :
NOR_AND_FLAG_DEFAULT);
}
}
}
}
const MeshExtract extract_fdots_nor_hq = {
.init = extract_fdots_nor_hq_init,
.finish = extract_fdots_nor_hq_finish,
.data_flag = MR_DATA_POLY_NOR,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.fdots_nor)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Facedots UV
* \{ */
typedef struct MeshExtract_FdotUV_Data {
float (*vbo_data)[2];
MLoopUV *uv_data;
int cd_ofs;
} MeshExtract_FdotUV_Data;
static void *extract_fdots_uv_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "u", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
GPU_vertformat_alias_add(&format, "au");
GPU_vertformat_alias_add(&format, "pos");
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->poly_len);
if (!mr->use_subsurf_fdots) {
/* Clear so we can accumulate on it. */
memset(GPU_vertbuf_get_data(vbo), 0x0, mr->poly_len * GPU_vertbuf_get_format(vbo)->stride);
}
MeshExtract_FdotUV_Data *data = MEM_callocN(sizeof(*data), __func__);
data->vbo_data = (float(*)[2])GPU_vertbuf_get_data(vbo);
if (mr->extract_type == MR_EXTRACT_BMESH) {
data->cd_ofs = CustomData_get_offset(&mr->bm->ldata, CD_MLOOPUV);
}
else {
data->uv_data = CustomData_get_layer(&mr->me->ldata, CD_MLOOPUV);
}
return data;
}
static void extract_fdots_uv_iter_poly_bm(const MeshRenderData *UNUSED(mr),
BMFace *f,
const int UNUSED(f_index),
void *_data)
{
MeshExtract_FdotUV_Data *data = _data;
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
float w = 1.0f / (float)f->len;
const MLoopUV *luv = BM_ELEM_CD_GET_VOID_P(l_iter, data->cd_ofs);
madd_v2_v2fl(data->vbo_data[BM_elem_index_get(f)], luv->uv, w);
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_fdots_uv_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int mp_index,
void *_data)
{
MeshExtract_FdotUV_Data *data = _data;
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
if (mr->use_subsurf_fdots) {
const MVert *mv = &mr->mvert[ml->v];
if (mv->flag & ME_VERT_FACEDOT) {
copy_v2_v2(data->vbo_data[mp_index], data->uv_data[ml_index].uv);
}
}
else {
float w = 1.0f / (float)mp->totloop;
madd_v2_v2fl(data->vbo_data[mp_index], data->uv_data[ml_index].uv, w);
}
}
}
static void extract_fdots_uv_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(buf),
void *data)
{
MEM_freeN(data);
}
const MeshExtract extract_fdots_uv = {
.init = extract_fdots_uv_init,
.iter_poly_bm = extract_fdots_uv_iter_poly_bm,
.iter_poly_mesh = extract_fdots_uv_iter_poly_mesh,
.finish = extract_fdots_uv_finish,
.data_flag = 0,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.fdots_uv)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Facedots Edit UV flag
* \{ */
typedef struct MeshExtract_EditUVFdotData_Data {
EditLoopData *vbo_data;
int cd_ofs;
} MeshExtract_EditUVFdotData_Data;
static void *extract_fdots_edituv_data_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "flag", GPU_COMP_U8, 4, GPU_FETCH_INT);
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->poly_len);
MeshExtract_EditUVFdotData_Data *data = MEM_callocN(sizeof(*data), __func__);
data->vbo_data = (EditLoopData *)GPU_vertbuf_get_data(vbo);
data->cd_ofs = CustomData_get_offset(&mr->bm->ldata, CD_MLOOPUV);
return data;
}
static void extract_fdots_edituv_data_iter_poly_bm(const MeshRenderData *mr,
BMFace *f,
const int UNUSED(f_index),
void *_data)
{
MeshExtract_EditUVFdotData_Data *data = _data;
EditLoopData *eldata = &data->vbo_data[BM_elem_index_get(f)];
memset(eldata, 0x0, sizeof(*eldata));
mesh_render_data_face_flag(mr, f, data->cd_ofs, eldata);
}
static void extract_fdots_edituv_data_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *UNUSED(mp),
const int mp_index,
void *_data)
{
MeshExtract_EditUVFdotData_Data *data = _data;
EditLoopData *eldata = &data->vbo_data[mp_index];
memset(eldata, 0x0, sizeof(*eldata));
BMFace *efa = bm_original_face_get(mr, mp_index);
if (efa) {
mesh_render_data_face_flag(mr, efa, data->cd_ofs, eldata);
}
}
static void extract_fdots_edituv_data_finish(const MeshRenderData *UNUSED(mr),
struct MeshBatchCache *UNUSED(cache),
void *UNUSED(buf),
void *data)
{
MEM_freeN(data);
}
const MeshExtract extract_fdots_edituv_data = {
.init = extract_fdots_edituv_data_init,
.iter_poly_bm = extract_fdots_edituv_data_iter_poly_bm,
.iter_poly_mesh = extract_fdots_edituv_data_iter_poly_mesh,
.finish = extract_fdots_edituv_data_finish,
.data_flag = 0,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.fdots_edituv_data)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Skin Modifier Roots
* \{ */
typedef struct SkinRootData {
float size;
float local_pos[3];
} SkinRootData;
static void *extract_skin_roots_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
/* Exclusively for edit mode. */
BLI_assert(mr->bm);
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
GPU_vertformat_attr_add(&format, "size", GPU_COMP_F32, 1, GPU_FETCH_FLOAT);
GPU_vertformat_attr_add(&format, "local_pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->bm->totvert);
SkinRootData *vbo_data = (SkinRootData *)GPU_vertbuf_get_data(vbo);
int root_len = 0;
int cd_ofs = CustomData_get_offset(&mr->bm->vdata, CD_MVERT_SKIN);
BMIter iter;
BMVert *eve;
BM_ITER_MESH (eve, &iter, mr->bm, BM_VERTS_OF_MESH) {
const MVertSkin *vs = BM_ELEM_CD_GET_VOID_P(eve, cd_ofs);
if (vs->flag & MVERT_SKIN_ROOT) {
vbo_data->size = (vs->radius[0] + vs->radius[1]) * 0.5f;
copy_v3_v3(vbo_data->local_pos, bm_vert_co_get(mr, eve));
vbo_data++;
root_len++;
}
}
/* It's really unlikely that all verts will be roots. Resize to avoid losing VRAM. */
GPU_vertbuf_data_len_set(vbo, root_len);
return NULL;
}
const MeshExtract extract_skin_roots = {
.init = extract_skin_roots_init,
.data_flag = 0,
.use_threading = false,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.skin_roots)};
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Extract Selection Index
* \{ */
static void *extract_select_idx_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
/* TODO rename "color" to something more descriptive. */
GPU_vertformat_attr_add(&format, "color", GPU_COMP_U32, 1, GPU_FETCH_INT);
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->loop_len + mr->loop_loose_len);
return GPU_vertbuf_get_data(vbo);
}
/* TODO Use #glVertexID to get loop index and use the data structure on the CPU to retrieve the
* select element associated with this loop ID. This would remove the need for this separate
* index VBO's. We could upload the p/e/v_origindex as a buffer texture and sample it inside the
* shader to output original index. */
static void extract_poly_idx_iter_poly_bm(const MeshRenderData *UNUSED(mr),
BMFace *f,
const int f_index,
void *data)
{
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
((uint32_t *)data)[l_index] = f_index;
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_edge_idx_iter_poly_bm(const MeshRenderData *UNUSED(mr),
BMFace *f,
const int UNUSED(f_index),
void *data)
{
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
((uint32_t *)data)[l_index] = BM_elem_index_get(l_iter->e);
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_vert_idx_iter_poly_bm(const MeshRenderData *UNUSED(mr),
BMFace *f,
const int UNUSED(f_index),
void *data)
{
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(f);
do {
const int l_index = BM_elem_index_get(l_iter);
((uint32_t *)data)[l_index] = BM_elem_index_get(l_iter->v);
} while ((l_iter = l_iter->next) != l_first);
}
static void extract_edge_idx_iter_ledge_bm(const MeshRenderData *mr,
BMEdge *eed,
const int ledge_index,
void *data)
{
((uint32_t *)data)[mr->loop_len + ledge_index * 2 + 0] = BM_elem_index_get(eed);
((uint32_t *)data)[mr->loop_len + ledge_index * 2 + 1] = BM_elem_index_get(eed);
}
static void extract_vert_idx_iter_ledge_bm(const MeshRenderData *mr,
BMEdge *eed,
const int ledge_index,
void *data)
{
((uint32_t *)data)[mr->loop_len + ledge_index * 2 + 0] = BM_elem_index_get(eed->v1);
((uint32_t *)data)[mr->loop_len + ledge_index * 2 + 1] = BM_elem_index_get(eed->v2);
}
static void extract_vert_idx_iter_lvert_bm(const MeshRenderData *mr,
BMVert *eve,
const int lvert_index,
void *data)
{
const int offset = mr->loop_len + (mr->edge_loose_len * 2);
((uint32_t *)data)[offset + lvert_index] = BM_elem_index_get(eve);
}
static void extract_poly_idx_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int mp_index,
void *data)
{
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
((uint32_t *)data)[ml_index] = (mr->p_origindex) ? mr->p_origindex[mp_index] : mp_index;
}
}
static void extract_edge_idx_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int UNUSED(mp_index),
void *data)
{
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
((uint32_t *)data)[ml_index] = (mr->e_origindex) ? mr->e_origindex[ml->e] : ml->e;
}
}
static void extract_vert_idx_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *mp,
const int UNUSED(mp_index),
void *data)
{
const MLoop *mloop = mr->mloop;
const int ml_index_end = mp->loopstart + mp->totloop;
for (int ml_index = mp->loopstart; ml_index < ml_index_end; ml_index += 1) {
const MLoop *ml = &mloop[ml_index];
((uint32_t *)data)[ml_index] = (mr->v_origindex) ? mr->v_origindex[ml->v] : ml->v;
}
}
static void extract_edge_idx_iter_ledge_mesh(const MeshRenderData *mr,
const MEdge *UNUSED(med),
const uint ledge_index,
void *data)
{
const int e_index = mr->ledges[ledge_index];
const int e_orig = (mr->e_origindex) ? mr->e_origindex[e_index] : e_index;
((uint32_t *)data)[mr->loop_len + ledge_index * 2 + 0] = e_orig;
((uint32_t *)data)[mr->loop_len + ledge_index * 2 + 1] = e_orig;
}
static void extract_vert_idx_iter_ledge_mesh(const MeshRenderData *mr,
const MEdge *med,
const uint ledge_index,
void *data)
{
int v1_orig = (mr->v_origindex) ? mr->v_origindex[med->v1] : med->v1;
int v2_orig = (mr->v_origindex) ? mr->v_origindex[med->v2] : med->v2;
((uint32_t *)data)[mr->loop_len + ledge_index * 2 + 0] = v1_orig;
((uint32_t *)data)[mr->loop_len + ledge_index * 2 + 1] = v2_orig;
}
static void extract_vert_idx_iter_lvert_mesh(const MeshRenderData *mr,
const MVert *UNUSED(mv),
const int lvert_index,
void *data)
{
const int offset = mr->loop_len + (mr->edge_loose_len * 2);
const int v_index = mr->lverts[lvert_index];
const int v_orig = (mr->v_origindex) ? mr->v_origindex[v_index] : v_index;
((uint32_t *)data)[offset + lvert_index] = v_orig;
}
const MeshExtract extract_poly_idx = {
.init = extract_select_idx_init,
.iter_poly_bm = extract_poly_idx_iter_poly_bm,
.iter_poly_mesh = extract_poly_idx_iter_poly_mesh,
.data_flag = 0,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.poly_idx)};
const MeshExtract extract_edge_idx = {
.init = extract_select_idx_init,
.iter_poly_bm = extract_edge_idx_iter_poly_bm,
.iter_poly_mesh = extract_edge_idx_iter_poly_mesh,
.iter_ledge_bm = extract_edge_idx_iter_ledge_bm,
.iter_ledge_mesh = extract_edge_idx_iter_ledge_mesh,
.data_flag = 0,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.edge_idx)};
const MeshExtract extract_vert_idx = {
.init = extract_select_idx_init,
.iter_poly_bm = extract_vert_idx_iter_poly_bm,
.iter_poly_mesh = extract_vert_idx_iter_poly_mesh,
.iter_ledge_bm = extract_vert_idx_iter_ledge_bm,
.iter_ledge_mesh = extract_vert_idx_iter_ledge_mesh,
.iter_lvert_bm = extract_vert_idx_iter_lvert_bm,
.iter_lvert_mesh = extract_vert_idx_iter_lvert_mesh,
.data_flag = 0,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.vert_idx)};
static void *extract_fdot_idx_init(const MeshRenderData *mr,
struct MeshBatchCache *UNUSED(cache),
void *buf)
{
GPUVertBuf *vbo = buf;
static GPUVertFormat format = {0};
if (format.attr_len == 0) {
/* TODO rename "color" to something more descriptive. */
GPU_vertformat_attr_add(&format, "color", GPU_COMP_U32, 1, GPU_FETCH_INT);
}
GPU_vertbuf_init_with_format(vbo, &format);
GPU_vertbuf_data_alloc(vbo, mr->poly_len);
return GPU_vertbuf_get_data(vbo);
}
static void extract_fdot_idx_iter_poly_bm(const MeshRenderData *UNUSED(mr),
BMFace *UNUSED(f),
const int f_index,
void *data)
{
((uint32_t *)data)[f_index] = f_index;
}
static void extract_fdot_idx_iter_poly_mesh(const MeshRenderData *mr,
const MPoly *UNUSED(mp),
const int mp_index,
void *data)
{
if (mr->p_origindex != NULL) {
((uint32_t *)data)[mp_index] = mr->p_origindex[mp_index];
}
else {
((uint32_t *)data)[mp_index] = mp_index;
}
}
const MeshExtract extract_fdot_idx = {
.init = extract_fdot_idx_init,
.iter_poly_bm = extract_fdot_idx_iter_poly_bm,
.iter_poly_mesh = extract_fdot_idx_iter_poly_mesh,
.data_flag = 0,
.use_threading = true,
.mesh_buffer_offset = offsetof(MeshBufferCache, vbo.fdot_idx)};

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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2021 by Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup draw
*
* \brief Extraction of Mesh data into VBO to feed to GPU.
*/
#pragma once
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "BKE_editmesh.h"
#include "draw_cache_extract.h"
typedef enum eMRExtractType {
MR_EXTRACT_BMESH,
MR_EXTRACT_MAPPED,
MR_EXTRACT_MESH,
} eMRExtractType;
typedef struct MeshRenderData {
eMRExtractType extract_type;
int poly_len, edge_len, vert_len, loop_len;
int edge_loose_len;
int vert_loose_len;
int loop_loose_len;
int tri_len;
int mat_len;
bool use_hide;
bool use_subsurf_fdots;
bool use_final_mesh;
/** Use for #MeshStatVis calculation which use world-space coords. */
float obmat[4][4];
const ToolSettings *toolsettings;
/** Edit Mesh */
BMEditMesh *edit_bmesh;
BMesh *bm;
EditMeshData *edit_data;
/* For deformed edit-mesh data. */
/* Use for #ME_WRAPPER_TYPE_BMESH. */
const float (*bm_vert_coords)[3];
const float (*bm_vert_normals)[3];
const float (*bm_poly_normals)[3];
const float (*bm_poly_centers)[3];
int *v_origindex, *e_origindex, *p_origindex;
int crease_ofs;
int bweight_ofs;
int freestyle_edge_ofs;
int freestyle_face_ofs;
/** Mesh */
Mesh *me;
const MVert *mvert;
const MEdge *medge;
const MLoop *mloop;
const MPoly *mpoly;
BMVert *eve_act;
BMEdge *eed_act;
BMFace *efa_act;
BMFace *efa_act_uv;
/* Data created on-demand (usually not for #BMesh based data). */
MLoopTri *mlooptri;
float (*loop_normals)[3];
float (*poly_normals)[3];
int *lverts, *ledges;
} MeshRenderData;
BLI_INLINE BMFace *bm_original_face_get(const MeshRenderData *mr, int idx)
{
return ((mr->p_origindex != NULL) && (mr->p_origindex[idx] != ORIGINDEX_NONE) && mr->bm) ?
BM_face_at_index(mr->bm, mr->p_origindex[idx]) :
NULL;
}
BLI_INLINE BMEdge *bm_original_edge_get(const MeshRenderData *mr, int idx)
{
return ((mr->e_origindex != NULL) && (mr->e_origindex[idx] != ORIGINDEX_NONE) && mr->bm) ?
BM_edge_at_index(mr->bm, mr->e_origindex[idx]) :
NULL;
}
BLI_INLINE BMVert *bm_original_vert_get(const MeshRenderData *mr, int idx)
{
return ((mr->v_origindex != NULL) && (mr->v_origindex[idx] != ORIGINDEX_NONE) && mr->bm) ?
BM_vert_at_index(mr->bm, mr->v_origindex[idx]) :
NULL;
}
BLI_INLINE const float *bm_vert_co_get(const MeshRenderData *mr, const BMVert *eve)
{
const float(*vert_coords)[3] = mr->bm_vert_coords;
if (vert_coords != NULL) {
return vert_coords[BM_elem_index_get(eve)];
}
UNUSED_VARS(mr);
return eve->co;
}
BLI_INLINE const float *bm_vert_no_get(const MeshRenderData *mr, const BMVert *eve)
{
const float(*vert_normals)[3] = mr->bm_vert_normals;
if (vert_normals != NULL) {
return vert_normals[BM_elem_index_get(eve)];
}
UNUSED_VARS(mr);
return eve->no;
}
BLI_INLINE const float *bm_face_no_get(const MeshRenderData *mr, const BMFace *efa)
{
const float(*poly_normals)[3] = mr->bm_poly_normals;
if (poly_normals != NULL) {
return poly_normals[BM_elem_index_get(efa)];
}
UNUSED_VARS(mr);
return efa->no;
}
/* TODO(jbakker): phase out batch iteration macros as they are only used once. */
/* ---------------------------------------------------------------------- */
/** \name Mesh Elements Extract: Loop Triangles
* \{ */
typedef struct ExtractTriBMesh_Params {
BMLoop *(*looptris)[3];
int tri_range[2];
} ExtractTriBMesh_Params;
typedef void(ExtractTriBMeshFn)(const MeshRenderData *mr,
BMLoop **elt,
const int elt_index,
void *data);
#define EXTRACT_TRIS_LOOPTRI_FOREACH_BM_BEGIN(elem_tri, index_tri, params) \
CHECK_TYPE(params, const ExtractTriBMesh_Params *); \
{ \
const int _tri_index_end = (params)->tri_range[1]; \
BMLoop **elem_tri = (params)->looptris[(params)->tri_range[0]]; \
for (int index_tri = (params)->tri_range[0]; index_tri < _tri_index_end; \
index_tri += 1, elem_tri += 3)
#define EXTRACT_TRIS_LOOPTRI_FOREACH_BM_END }
typedef struct ExtractTriMesh_Params {
const MLoopTri *mlooptri;
int tri_range[2];
} ExtractTriMesh_Params;
typedef void(ExtractTriMeshFn)(const MeshRenderData *mr,
const MLoopTri *mlt,
const int elt_index,
void *data);
#define EXTRACT_TRIS_LOOPTRI_FOREACH_MESH_BEGIN(elem_tri, index_tri, params) \
CHECK_TYPE(params, const ExtractTriMesh_Params *); \
{ \
const int _tri_index_end = (params)->tri_range[1]; \
const MLoopTri *elem_tri = &(params)->mlooptri[(params)->tri_range[0]]; \
for (int index_tri = (params)->tri_range[0]; index_tri < _tri_index_end; \
index_tri += 1, elem_tri += 1)
#define EXTRACT_TRIS_LOOPTRI_FOREACH_MESH_END }
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Mesh Elements Extract: Polygons, Loops
* \{ */
typedef struct ExtractPolyBMesh_Params {
BMLoop *(*looptris)[3];
int poly_range[2];
} ExtractPolyBMesh_Params;
typedef void(ExtractPolyBMeshFn)(const MeshRenderData *mr,
BMFace *f,
const int f_index,
void *data);
#define EXTRACT_POLY_FOREACH_BM_BEGIN(elem_poly, index_poly, params, mr) \
CHECK_TYPE(params, const ExtractPolyBMesh_Params *); \
{ \
BLI_assert((mr->bm->elem_table_dirty & BM_FACE) == 0); \
BMFace **_ftable = mr->bm->ftable; \
const int _poly_index_end = (params)->poly_range[1]; \
for (int index_poly = (params)->poly_range[0]; index_poly < _poly_index_end; \
index_poly += 1) { \
BMFace *elem_poly = _ftable[index_poly]; \
(void)elem_poly;
#define EXTRACT_POLY_FOREACH_BM_END \
} \
}
/* Iterate over polygon and loop. */
#define EXTRACT_POLY_AND_LOOP_FOREACH_BM_BEGIN(elem_loop, index_loop, params, mr) \
CHECK_TYPE(params, const ExtractPolyBMesh_Params *); \
{ \
BLI_assert((mr->bm->elem_table_dirty & BM_FACE) == 0); \
BMFace **_ftable = mr->bm->ftable; \
const int _poly_index_end = (params)->poly_range[1]; \
for (int index_poly = (params)->poly_range[0]; index_poly < _poly_index_end; \
index_poly += 1) { \
BMFace *elem_face = _ftable[index_poly]; \
BMLoop *elem_loop, *l_first; \
elem_loop = l_first = BM_FACE_FIRST_LOOP(elem_face); \
do { \
const int index_loop = BM_elem_index_get(elem_loop); \
(void)index_loop; /* Quiet warning when unused. */
#define EXTRACT_POLY_AND_LOOP_FOREACH_BM_END(elem_loop) \
} \
while ((elem_loop = elem_loop->next) != l_first) \
; \
} \
}
typedef struct ExtractPolyMesh_Params {
int poly_range[2];
} ExtractPolyMesh_Params;
typedef void(ExtractPolyMeshFn)(const MeshRenderData *mr,
const MPoly *mp,
const int mp_index,
void *data);
#define EXTRACT_POLY_FOREACH_MESH_BEGIN(elem_poly, index_poly, params, mr) \
CHECK_TYPE(params, const ExtractPolyMesh_Params *); \
{ \
const MPoly *_mpoly = mr->mpoly; \
const int _poly_index_end = (params)->poly_range[1]; \
for (int index_poly = (params)->poly_range[0]; index_poly < _poly_index_end; \
index_poly += 1) { \
const MPoly *elem_poly = &_mpoly[index_poly]; \
(void)elem_poly;
#define EXTRACT_POLY_FOREACH_MESH_END \
} \
}
/* Iterate over polygon and loop. */
#define EXTRACT_POLY_AND_LOOP_FOREACH_MESH_BEGIN( \
elem_poly, index_poly, elem_loop, index_loop, params, mr) \
CHECK_TYPE(params, const ExtractPolyMesh_Params *); \
{ \
const MPoly *_mpoly = mr->mpoly; \
const MLoop *_mloop = mr->mloop; \
const int _poly_index_end = (params)->poly_range[1]; \
for (int index_poly = (params)->poly_range[0]; index_poly < _poly_index_end; \
index_poly += 1) { \
const MPoly *elem_poly = &_mpoly[index_poly]; \
const int _index_end = elem_poly->loopstart + elem_poly->totloop; \
for (int index_loop = elem_poly->loopstart; index_loop < _index_end; index_loop += 1) { \
const MLoop *elem_loop = &_mloop[index_loop]; \
(void)elem_loop;
#define EXTRACT_POLY_AND_LOOP_FOREACH_MESH_END \
} \
} \
}
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Mesh Elements Extract: Loose Edges
* \{ */
typedef struct ExtractLEdgeBMesh_Params {
const int *ledge;
int ledge_range[2];
} ExtractLEdgeBMesh_Params;
typedef void(ExtractLEdgeBMeshFn)(const MeshRenderData *mr,
BMEdge *eed,
const int ledge_index,
void *data);
#define EXTRACT_LEDGE_FOREACH_BM_BEGIN(elem_edge, index_ledge, params) \
CHECK_TYPE(params, const ExtractLEdgeBMesh_Params *); \
{ \
BLI_assert((mr->bm->elem_table_dirty & BM_EDGE) == 0); \
BMEdge **_etable = mr->bm->etable; \
const int *_ledge = (params)->ledge; \
const int _ledge_index_end = (params)->ledge_range[1]; \
for (int index_ledge = (params)->ledge_range[0]; index_ledge < _ledge_index_end; \
index_ledge += 1) { \
BMEdge *elem_edge = _etable[_ledge[index_ledge]]; \
(void)elem_edge; /* Quiet warning when unused. */ \
{
#define EXTRACT_LEDGE_FOREACH_BM_END \
} \
} \
}
typedef struct ExtractLEdgeMesh_Params {
const int *ledge;
int ledge_range[2];
} ExtractLEdgeMesh_Params;
typedef void(ExtractLEdgeMeshFn)(const MeshRenderData *mr,
const MEdge *med,
const uint ledge_index,
void *data);
#define EXTRACT_LEDGE_FOREACH_MESH_BEGIN(elem_edge, index_ledge, params, mr) \
CHECK_TYPE(params, const ExtractLEdgeMesh_Params *); \
{ \
const MEdge *_medge = mr->medge; \
const int *_ledge = (params)->ledge; \
const int _ledge_index_end = (params)->ledge_range[1]; \
for (int index_ledge = (params)->ledge_range[0]; index_ledge < _ledge_index_end; \
index_ledge += 1) { \
const MEdge *elem_edge = &_medge[_ledge[index_ledge]]; \
(void)elem_edge; /* Quiet warning when unused. */ \
{
#define EXTRACT_LEDGE_FOREACH_MESH_END \
} \
} \
}
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Mesh Elements Extract: Loose Vertices
* \{ */
typedef struct ExtractLVertBMesh_Params {
const int *lvert;
int lvert_range[2];
} ExtractLVertBMesh_Params;
typedef void(ExtractLVertBMeshFn)(const MeshRenderData *mr,
BMVert *eve,
const int lvert_index,
void *data);
#define EXTRACT_LVERT_FOREACH_BM_BEGIN(elem_vert, index_lvert, params) \
CHECK_TYPE(params, const ExtractLVertBMesh_Params *); \
{ \
BLI_assert((mr->bm->elem_table_dirty & BM_FACE) == 0); \
BMVert **vtable = mr->bm->vtable; \
const int *lverts = (params)->lvert; \
const int _lvert_index_end = (params)->lvert_range[1]; \
for (int index_lvert = (params)->lvert_range[0]; index_lvert < _lvert_index_end; \
index_lvert += 1) { \
BMVert *elem_vert = vtable[lverts[index_lvert]]; \
(void)elem_vert; /* Quiet warning when unused. */ \
{
#define EXTRACT_LVERT_FOREACH_BM_END \
} \
} \
}
typedef struct ExtractLVertMesh_Params {
const int *lvert;
int lvert_range[2];
} ExtractLVertMesh_Params;
typedef void(ExtractLVertMeshFn)(const MeshRenderData *mr,
const MVert *mv,
const int lvert_index,
void *data);
#define EXTRACT_LVERT_FOREACH_MESH_BEGIN(elem, index_lvert, params, mr) \
CHECK_TYPE(params, const ExtractLVertMesh_Params *); \
{ \
const MVert *mvert = mr->mvert; \
const int *lverts = (params)->lvert; \
const int _lvert_index_end = (params)->lvert_range[1]; \
for (int index_lvert = (params)->lvert_range[0]; index_lvert < _lvert_index_end; \
index_lvert += 1) { \
const MVert *elem = &mvert[lverts[index_lvert]]; \
(void)elem; /* Quiet warning when unused. */ \
{
#define EXTRACT_LVERT_FOREACH_MESH_END \
} \
} \
}
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Mesh Elements Extract Struct
* \{ */
typedef void *(ExtractInitFn)(const MeshRenderData *mr,
struct MeshBatchCache *cache,
void *buffer);
typedef void(ExtractFinishFn)(const MeshRenderData *mr,
struct MeshBatchCache *cache,
void *buffer,
void *data);
typedef struct MeshExtract {
/** Executed on main thread and return user data for iteration functions. */
ExtractInitFn *init;
/** Executed on one (or more if use_threading) worker thread(s). */
ExtractTriBMeshFn *iter_looptri_bm;
ExtractTriMeshFn *iter_looptri_mesh;
ExtractPolyBMeshFn *iter_poly_bm;
ExtractPolyMeshFn *iter_poly_mesh;
ExtractLEdgeBMeshFn *iter_ledge_bm;
ExtractLEdgeMeshFn *iter_ledge_mesh;
ExtractLVertBMeshFn *iter_lvert_bm;
ExtractLVertMeshFn *iter_lvert_mesh;
/** Executed on one worker thread after all elements iterations. */
ExtractFinishFn *finish;
/** Used to request common data. */
const eMRDataType data_flag;
/** Used to know if the element callbacks are thread-safe and can be parallelized. */
const bool use_threading;
/**
* Offset in bytes of the buffer inside a MeshBufferCache instance. Points to a vertex or index
* buffer.
*/
const size_t mesh_buffer_offset;
} MeshExtract;
/** \} */
/* draw_cache_extract_mesh_render_data.c */
MeshRenderData *mesh_render_data_create(Mesh *me,
MeshBufferExtractionCache *cache,
const bool is_editmode,
const bool is_paint_mode,
const bool is_mode_active,
const float obmat[4][4],
const bool do_final,
const bool do_uvedit,
const DRW_MeshCDMask *cd_used,
const ToolSettings *ts,
const eMRIterType iter_type);
void mesh_render_data_free(MeshRenderData *mr);
void mesh_render_data_update_normals(MeshRenderData *mr,
const eMRIterType iter_type,
const eMRDataType data_flag);
void mesh_render_data_update_looptris(MeshRenderData *mr,
const eMRIterType iter_type,
const eMRDataType data_flag);
/* draw_cache_extract_mesh_extractors.c */
void *mesh_extract_buffer_get(const MeshExtract *extractor, MeshBufferCache *mbc);
eMRIterType mesh_extract_iter_type(const MeshExtract *ext);
const MeshExtract *mesh_extract_override_get(const MeshExtract *extractor,
const bool do_hq_normals,
const bool do_lines_loose_subbuffer);
/*
* Total number of extractions types.
*/
#define M_EXTRACT_LEN 38
extern const MeshExtract extract_tris;
extern const MeshExtract extract_lines;
extern const MeshExtract extract_lines_with_lines_loose;
extern const MeshExtract extract_points;
extern const MeshExtract extract_fdots;
extern const MeshExtract extract_lines_paint_mask;
extern const MeshExtract extract_lines_adjacency;
extern const MeshExtract extract_edituv_tris;
extern const MeshExtract extract_edituv_lines;
extern const MeshExtract extract_edituv_points;
extern const MeshExtract extract_edituv_fdots;
extern const MeshExtract extract_pos_nor;
extern const MeshExtract extract_pos_nor_hq;
extern const MeshExtract extract_lnor_hq;
extern const MeshExtract extract_lnor;
extern const MeshExtract extract_uv;
extern const MeshExtract extract_tan;
extern const MeshExtract extract_tan_hq;
extern const MeshExtract extract_sculpt_data;
extern const MeshExtract extract_vcol;
extern const MeshExtract extract_orco;
extern const MeshExtract extract_edge_fac;
extern const MeshExtract extract_weights;
extern const MeshExtract extract_edit_data;
extern const MeshExtract extract_edituv_data;
extern const MeshExtract extract_edituv_stretch_area;
extern const MeshExtract extract_edituv_stretch_angle;
extern const MeshExtract extract_mesh_analysis;
extern const MeshExtract extract_fdots_pos;
extern const MeshExtract extract_fdots_nor;
extern const MeshExtract extract_fdots_nor_hq;
extern const MeshExtract extract_fdots_uv;
extern const MeshExtract extract_fdots_edituv_data;
extern const MeshExtract extract_skin_roots;
extern const MeshExtract extract_poly_idx;
extern const MeshExtract extract_edge_idx;
extern const MeshExtract extract_vert_idx;
extern const MeshExtract extract_fdot_idx;

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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2021 by Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup draw
*
* \brief Extraction of Mesh data into VBO to feed to GPU.
*/
#include "MEM_guardedalloc.h"
#include "BLI_bitmap.h"
#include "BLI_math.h"
#include "BKE_editmesh.h"
#include "BKE_editmesh_cache.h"
#include "BKE_mesh.h"
#include "GPU_batch.h"
#include "ED_mesh.h"
#include "draw_cache_extract_mesh_private.h"
/* ---------------------------------------------------------------------- */
/** \name Mesh/BMesh Interface (indirect, partially cached access to complex data).
* \{ */
static void mesh_render_data_loose_geom_load(MeshRenderData *mr, MeshBufferExtractionCache *cache)
{
mr->ledges = cache->ledges;
mr->lverts = cache->lverts;
mr->vert_loose_len = cache->vert_loose_len;
mr->edge_loose_len = cache->edge_loose_len;
mr->loop_loose_len = mr->vert_loose_len + (mr->edge_loose_len * 2);
}
static void mesh_render_data_loose_geom_ensure(const MeshRenderData *mr,
MeshBufferExtractionCache *cache)
{
/* Early exit: Are loose geometry already available. Only checking for loose verts as loose edges
* and verts are calculated at the same time.*/
if (cache->lverts) {
return;
}
cache->vert_loose_len = 0;
cache->edge_loose_len = 0;
if (mr->extract_type != MR_EXTRACT_BMESH) {
/* Mesh */
BLI_bitmap *lvert_map = BLI_BITMAP_NEW(mr->vert_len, __func__);
cache->ledges = MEM_mallocN(mr->edge_len * sizeof(*cache->ledges), __func__);
const MEdge *med = mr->medge;
for (int med_index = 0; med_index < mr->edge_len; med_index++, med++) {
if (med->flag & ME_LOOSEEDGE) {
cache->ledges[cache->edge_loose_len++] = med_index;
}
/* Tag verts as not loose. */
BLI_BITMAP_ENABLE(lvert_map, med->v1);
BLI_BITMAP_ENABLE(lvert_map, med->v2);
}
if (cache->edge_loose_len < mr->edge_len) {
cache->ledges = MEM_reallocN(cache->ledges, cache->edge_loose_len * sizeof(*cache->ledges));
}
cache->lverts = MEM_mallocN(mr->vert_len * sizeof(*mr->lverts), __func__);
for (int v = 0; v < mr->vert_len; v++) {
if (!BLI_BITMAP_TEST(lvert_map, v)) {
cache->lverts[cache->vert_loose_len++] = v;
}
}
if (cache->vert_loose_len < mr->vert_len) {
cache->lverts = MEM_reallocN(cache->lverts, cache->vert_loose_len * sizeof(*cache->lverts));
}
MEM_freeN(lvert_map);
}
else {
/* #BMesh */
BMesh *bm = mr->bm;
int elem_id;
BMIter iter;
BMVert *eve;
BMEdge *ede;
cache->lverts = MEM_mallocN(mr->vert_len * sizeof(*cache->lverts), __func__);
BM_ITER_MESH_INDEX (eve, &iter, bm, BM_VERTS_OF_MESH, elem_id) {
if (eve->e == NULL) {
cache->lverts[cache->vert_loose_len++] = elem_id;
}
}
if (cache->vert_loose_len < mr->vert_len) {
cache->lverts = MEM_reallocN(cache->lverts, cache->vert_loose_len * sizeof(*cache->lverts));
}
cache->ledges = MEM_mallocN(mr->edge_len * sizeof(*cache->ledges), __func__);
BM_ITER_MESH_INDEX (ede, &iter, bm, BM_EDGES_OF_MESH, elem_id) {
if (ede->l == NULL) {
cache->ledges[cache->edge_loose_len++] = elem_id;
}
}
if (cache->edge_loose_len < mr->edge_len) {
cache->ledges = MEM_reallocN(cache->ledges, cache->edge_loose_len * sizeof(*cache->ledges));
}
}
}
/**
* Part of the creation of the #MeshRenderData that happens in a thread.
*/
void mesh_render_data_update_looptris(MeshRenderData *mr,
const eMRIterType iter_type,
const eMRDataType data_flag)
{
Mesh *me = mr->me;
if (mr->extract_type != MR_EXTRACT_BMESH) {
/* Mesh */
if ((iter_type & MR_ITER_LOOPTRI) || (data_flag & MR_DATA_LOOPTRI)) {
mr->mlooptri = MEM_mallocN(sizeof(*mr->mlooptri) * mr->tri_len, "MR_DATATYPE_LOOPTRI");
BKE_mesh_recalc_looptri(
me->mloop, me->mpoly, me->mvert, me->totloop, me->totpoly, mr->mlooptri);
}
}
else {
/* #BMesh */
if ((iter_type & MR_ITER_LOOPTRI) || (data_flag & MR_DATA_LOOPTRI)) {
/* Edit mode ensures this is valid, no need to calculate. */
BLI_assert((mr->bm->totloop == 0) || (mr->edit_bmesh->looptris != NULL));
}
}
}
void mesh_render_data_update_normals(MeshRenderData *mr,
const eMRIterType UNUSED(iter_type),
const eMRDataType data_flag)
{
Mesh *me = mr->me;
const bool is_auto_smooth = (me->flag & ME_AUTOSMOOTH) != 0;
const float split_angle = is_auto_smooth ? me->smoothresh : (float)M_PI;
if (mr->extract_type != MR_EXTRACT_BMESH) {
/* Mesh */
if (data_flag & (MR_DATA_POLY_NOR | MR_DATA_LOOP_NOR | MR_DATA_TAN_LOOP_NOR)) {
mr->poly_normals = MEM_mallocN(sizeof(*mr->poly_normals) * mr->poly_len, __func__);
BKE_mesh_calc_normals_poly((MVert *)mr->mvert,
NULL,
mr->vert_len,
mr->mloop,
mr->mpoly,
mr->loop_len,
mr->poly_len,
mr->poly_normals,
true);
}
if (((data_flag & MR_DATA_LOOP_NOR) && is_auto_smooth) || (data_flag & MR_DATA_TAN_LOOP_NOR)) {
mr->loop_normals = MEM_mallocN(sizeof(*mr->loop_normals) * mr->loop_len, __func__);
short(*clnors)[2] = CustomData_get_layer(&mr->me->ldata, CD_CUSTOMLOOPNORMAL);
BKE_mesh_normals_loop_split(mr->me->mvert,
mr->vert_len,
mr->me->medge,
mr->edge_len,
mr->me->mloop,
mr->loop_normals,
mr->loop_len,
mr->me->mpoly,
mr->poly_normals,
mr->poly_len,
is_auto_smooth,
split_angle,
NULL,
clnors,
NULL);
}
}
else {
/* #BMesh */
if (data_flag & MR_DATA_POLY_NOR) {
/* Use #BMFace.no instead. */
}
if (((data_flag & MR_DATA_LOOP_NOR) && is_auto_smooth) || (data_flag & MR_DATA_TAN_LOOP_NOR)) {
const float(*vert_coords)[3] = NULL;
const float(*vert_normals)[3] = NULL;
const float(*poly_normals)[3] = NULL;
if (mr->edit_data && mr->edit_data->vertexCos) {
vert_coords = mr->bm_vert_coords;
vert_normals = mr->bm_vert_normals;
poly_normals = mr->bm_poly_normals;
}
mr->loop_normals = MEM_mallocN(sizeof(*mr->loop_normals) * mr->loop_len, __func__);
const int clnors_offset = CustomData_get_offset(&mr->bm->ldata, CD_CUSTOMLOOPNORMAL);
BM_loops_calc_normal_vcos(mr->bm,
vert_coords,
vert_normals,
poly_normals,
is_auto_smooth,
split_angle,
mr->loop_normals,
NULL,
NULL,
clnors_offset,
false);
}
}
}
/**
* \param is_mode_active: When true, use the modifiers from the edit-data,
* otherwise don't use modifiers as they are not from this object.
*/
MeshRenderData *mesh_render_data_create(Mesh *me,
MeshBufferExtractionCache *cache,
const bool is_editmode,
const bool is_paint_mode,
const bool is_mode_active,
const float obmat[4][4],
const bool do_final,
const bool do_uvedit,
const DRW_MeshCDMask *UNUSED(cd_used),
const ToolSettings *ts,
const eMRIterType iter_type)
{
MeshRenderData *mr = MEM_callocN(sizeof(*mr), __func__);
mr->toolsettings = ts;
mr->mat_len = mesh_render_mat_len_get(me);
copy_m4_m4(mr->obmat, obmat);
if (is_editmode) {
BLI_assert(me->edit_mesh->mesh_eval_cage && me->edit_mesh->mesh_eval_final);
mr->bm = me->edit_mesh->bm;
mr->edit_bmesh = me->edit_mesh;
mr->me = (do_final) ? me->edit_mesh->mesh_eval_final : me->edit_mesh->mesh_eval_cage;
mr->edit_data = is_mode_active ? mr->me->runtime.edit_data : NULL;
if (mr->edit_data) {
EditMeshData *emd = mr->edit_data;
if (emd->vertexCos) {
BKE_editmesh_cache_ensure_vert_normals(mr->edit_bmesh, emd);
BKE_editmesh_cache_ensure_poly_normals(mr->edit_bmesh, emd);
}
mr->bm_vert_coords = mr->edit_data->vertexCos;
mr->bm_vert_normals = mr->edit_data->vertexNos;
mr->bm_poly_normals = mr->edit_data->polyNos;
mr->bm_poly_centers = mr->edit_data->polyCos;
}
bool has_mdata = is_mode_active && (mr->me->runtime.wrapper_type == ME_WRAPPER_TYPE_MDATA);
bool use_mapped = is_mode_active &&
(has_mdata && !do_uvedit && mr->me && !mr->me->runtime.is_original);
int bm_ensure_types = BM_VERT | BM_EDGE | BM_LOOP | BM_FACE;
BM_mesh_elem_index_ensure(mr->bm, bm_ensure_types);
BM_mesh_elem_table_ensure(mr->bm, bm_ensure_types & ~BM_LOOP);
mr->efa_act_uv = EDBM_uv_active_face_get(mr->edit_bmesh, false, false);
mr->efa_act = BM_mesh_active_face_get(mr->bm, false, true);
mr->eed_act = BM_mesh_active_edge_get(mr->bm);
mr->eve_act = BM_mesh_active_vert_get(mr->bm);
mr->crease_ofs = CustomData_get_offset(&mr->bm->edata, CD_CREASE);
mr->bweight_ofs = CustomData_get_offset(&mr->bm->edata, CD_BWEIGHT);
#ifdef WITH_FREESTYLE
mr->freestyle_edge_ofs = CustomData_get_offset(&mr->bm->edata, CD_FREESTYLE_EDGE);
mr->freestyle_face_ofs = CustomData_get_offset(&mr->bm->pdata, CD_FREESTYLE_FACE);
#endif
if (use_mapped) {
mr->v_origindex = CustomData_get_layer(&mr->me->vdata, CD_ORIGINDEX);
mr->e_origindex = CustomData_get_layer(&mr->me->edata, CD_ORIGINDEX);
mr->p_origindex = CustomData_get_layer(&mr->me->pdata, CD_ORIGINDEX);
use_mapped = (mr->v_origindex || mr->e_origindex || mr->p_origindex);
}
mr->extract_type = use_mapped ? MR_EXTRACT_MAPPED : MR_EXTRACT_BMESH;
/* Seems like the mesh_eval_final do not have the right origin indices.
* Force not mapped in this case. */
if (has_mdata && do_final && me->edit_mesh->mesh_eval_final != me->edit_mesh->mesh_eval_cage) {
// mr->edit_bmesh = NULL;
mr->extract_type = MR_EXTRACT_MESH;
}
}
else {
mr->me = me;
mr->edit_bmesh = NULL;
bool use_mapped = is_paint_mode && mr->me && !mr->me->runtime.is_original;
if (use_mapped) {
mr->v_origindex = CustomData_get_layer(&mr->me->vdata, CD_ORIGINDEX);
mr->e_origindex = CustomData_get_layer(&mr->me->edata, CD_ORIGINDEX);
mr->p_origindex = CustomData_get_layer(&mr->me->pdata, CD_ORIGINDEX);
use_mapped = (mr->v_origindex || mr->e_origindex || mr->p_origindex);
}
mr->extract_type = use_mapped ? MR_EXTRACT_MAPPED : MR_EXTRACT_MESH;
}
if (mr->extract_type != MR_EXTRACT_BMESH) {
/* Mesh */
mr->vert_len = mr->me->totvert;
mr->edge_len = mr->me->totedge;
mr->loop_len = mr->me->totloop;
mr->poly_len = mr->me->totpoly;
mr->tri_len = poly_to_tri_count(mr->poly_len, mr->loop_len);
mr->mvert = CustomData_get_layer(&mr->me->vdata, CD_MVERT);
mr->medge = CustomData_get_layer(&mr->me->edata, CD_MEDGE);
mr->mloop = CustomData_get_layer(&mr->me->ldata, CD_MLOOP);
mr->mpoly = CustomData_get_layer(&mr->me->pdata, CD_MPOLY);
mr->v_origindex = CustomData_get_layer(&mr->me->vdata, CD_ORIGINDEX);
mr->e_origindex = CustomData_get_layer(&mr->me->edata, CD_ORIGINDEX);
mr->p_origindex = CustomData_get_layer(&mr->me->pdata, CD_ORIGINDEX);
}
else {
/* #BMesh */
BMesh *bm = mr->bm;
mr->vert_len = bm->totvert;
mr->edge_len = bm->totedge;
mr->loop_len = bm->totloop;
mr->poly_len = bm->totface;
mr->tri_len = poly_to_tri_count(mr->poly_len, mr->loop_len);
}
if (iter_type & (MR_ITER_LEDGE | MR_ITER_LVERT)) {
mesh_render_data_loose_geom_ensure(mr, cache);
mesh_render_data_loose_geom_load(mr, cache);
}
return mr;
}
void mesh_render_data_free(MeshRenderData *mr)
{
MEM_SAFE_FREE(mr->mlooptri);
MEM_SAFE_FREE(mr->poly_normals);
MEM_SAFE_FREE(mr->loop_normals);
/* Loose geometry are owned by MeshBufferExtractionCache. */
mr->ledges = NULL;
mr->lverts = NULL;
MEM_freeN(mr);
}
/** \} */

1
source/blender/editors/include/ED_uvedit.h
View File

@@ -42,6 +42,7 @@ struct SpaceImage;
struct ToolSettings;
struct ViewLayer;
struct bNode;
struct bNodeTree;
struct wmKeyConfig;
/* uvedit_ops.c */