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blender-archive/source/blender/draw/intern/draw_cache_impl_mesh.c

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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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) 2017 by Blender Foundation.
* All rights reserved.
*
* Contributor(s): Blender Foundation, Mike Erwin, Dalai Felinto
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file draw_cache_impl_mesh.c
* \ingroup draw
*
* \brief Mesh API for render engines
*/
#include "MEM_guardedalloc.h"
#include "BLI_buffer.h"
#include "BLI_utildefines.h"
#include "BLI_math_vector.h"
#include "BLI_math_bits.h"
#include "BLI_math_color.h"
#include "BLI_string.h"
#include "BLI_alloca.h"
#include "BLI_edgehash.h"
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_object_types.h"
#include "DNA_space_types.h"
#include "BKE_customdata.h"
#include "BKE_deform.h"
#include "BKE_editmesh.h"
#include "BKE_editmesh_cache.h"
#include "BKE_editmesh_tangent.h"
#include "BKE_mesh.h"
#include "BKE_mesh_tangent.h"
#include "BKE_mesh_runtime.h"
#include "BKE_colorband.h"
#include "BKE_cdderivedmesh.h"
#include "bmesh.h"
#include "GPU_batch.h"
#include "GPU_batch_presets.h"
#include "GPU_draw.h"
#include "GPU_material.h"
#include "GPU_texture.h"
#include "DRW_render.h"
#include "ED_image.h"
#include "ED_mesh.h"
#include "ED_uvedit.h"
#include "draw_cache_impl.h" /* own include */
static void mesh_batch_cache_clear(Mesh *me);
/* ---------------------------------------------------------------------- */
/** \name Mesh/BMesh Interface (direct access to basic data).
* \{ */
static int mesh_render_verts_len_get(Mesh *me)
{
return me->edit_btmesh ? me->edit_btmesh->bm->totvert : me->totvert;
}
static int mesh_render_edges_len_get(Mesh *me)
{
return me->edit_btmesh ? me->edit_btmesh->bm->totedge : me->totedge;
}
static int mesh_render_looptri_len_get(Mesh *me)
{
return me->edit_btmesh ? me->edit_btmesh->tottri : poly_to_tri_count(me->totpoly, me->totloop);
}
static int mesh_render_polys_len_get(Mesh *me)
{
return me->edit_btmesh ? me->edit_btmesh->bm->totface : me->totpoly;
}
static int mesh_render_mat_len_get(Mesh *me)
{
return MAX2(1, me->totcol);
}
static int UNUSED_FUNCTION(mesh_render_loops_len_get)(Mesh *me)
{
return me->edit_btmesh ? me->edit_btmesh->bm->totloop : me->totloop;
}
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Mesh/BMesh Interface (indirect, partially cached access to complex data).
* \{ */
typedef struct EdgeAdjacentPolys {
int count;
int face_index[2];
} EdgeAdjacentPolys;
typedef struct EdgeAdjacentVerts {
int vert_index[2]; /* -1 if none */
} EdgeAdjacentVerts;
typedef struct EdgeDrawAttr {
uchar v_flag;
uchar e_flag;
uchar crease;
uchar bweight;
} EdgeDrawAttr;
typedef struct MeshRenderData {
int types;
int vert_len;
int edge_len;
int tri_len;
int loop_len;
int poly_len;
int mat_len;
int loose_vert_len;
int loose_edge_len;
/* Support for mapped mesh data. */
struct {
/* Must be set if we want to get mapped data. */
bool use;
bool supported;
Mesh *me_cage;
int vert_len;
int edge_len;
int tri_len;
int loop_len;
int poly_len;
int *loose_verts;
int loose_vert_len;
int *loose_edges;
int loose_edge_len;
/* origindex layers */
int *v_origindex;
int *e_origindex;
int *l_origindex;
int *p_origindex;
} mapped;
BMEditMesh *edit_bmesh;
struct EditMeshData *edit_data;
Mesh *me;
MVert *mvert;
const MEdge *medge;
const MLoop *mloop;
const MPoly *mpoly;
float (*orco)[3]; /* vertex coordinates normalized to bounding box */
bool is_orco_allocated;
MDeformVert *dvert;
MLoopUV *mloopuv;
MLoopCol *mloopcol;
float (*loop_normals)[3];
/* CustomData 'cd' cache for efficient access. */
struct {
struct {
MLoopUV **uv;
int uv_len;
int uv_active;
MLoopCol **vcol;
int vcol_len;
int vcol_active;
float (**tangent)[4];
int tangent_len;
int tangent_active;
bool *auto_vcol;
} layers;
/* Custom-data offsets (only needed for BMesh access) */
struct {
int crease;
int bweight;
int *uv;
int *vcol;
#ifdef WITH_FREESTYLE
int freestyle_edge;
int freestyle_face;
#endif
} offset;
struct {
char (*auto_mix)[32];
char (*uv)[32];
char (*vcol)[32];
char (*tangent)[32];
} uuid;
/* for certain cases we need an output loop-data storage (bmesh tangents) */
struct {
CustomData ldata;
/* grr, special case variable (use in place of 'dm->tangent_mask') */
short tangent_mask;
} output;
} cd;
BMVert *eve_act;
BMEdge *eed_act;
BMFace *efa_act;
/* Data created on-demand (usually not for bmesh-based data). */
EdgeAdjacentPolys *edges_adjacent_polys;
MLoopTri *mlooptri;
int *loose_edges;
int *loose_verts;
float (*poly_normals)[3];
float (*vert_weight);
char (*vert_color)[3];
GPUPackedNormal *poly_normals_pack;
GPUPackedNormal *vert_normals_pack;
bool *edge_select_bool;
bool *edge_visible_bool;
} MeshRenderData;
enum {
MR_DATATYPE_VERT = 1 << 0,
MR_DATATYPE_EDGE = 1 << 1,
MR_DATATYPE_LOOPTRI = 1 << 2,
MR_DATATYPE_LOOP = 1 << 3,
MR_DATATYPE_POLY = 1 << 4,
MR_DATATYPE_OVERLAY = 1 << 5,
MR_DATATYPE_SHADING = 1 << 6,
MR_DATATYPE_DVERT = 1 << 7,
MR_DATATYPE_LOOPCOL = 1 << 8,
MR_DATATYPE_LOOPUV = 1 << 9,
};
/**
* These functions look like they would be slow but they will typically return true on the first iteration.
* Only false when all attached elements are hidden.
*/
static bool bm_vert_has_visible_edge(const BMVert *v)
{
const BMEdge *e_iter, *e_first;
e_iter = e_first = v->e;
do {
if (!BM_elem_flag_test(e_iter, BM_ELEM_HIDDEN)) {
return true;
}
} while ((e_iter = BM_DISK_EDGE_NEXT(e_iter, v)) != e_first);
return false;
}
static bool bm_edge_has_visible_face(const BMEdge *e)
{
const BMLoop *l_iter, *l_first;
l_iter = l_first = e->l;
do {
if (!BM_elem_flag_test(l_iter->f, BM_ELEM_HIDDEN)) {
return true;
}
} while ((l_iter = l_iter->radial_next) != l_first);
return false;
}
static void mesh_cd_calc_used_gpu_layers(
CustomData *UNUSED(cd_vdata), uchar cd_vused[CD_NUMTYPES],
CustomData *cd_ldata, ushort cd_lused[CD_NUMTYPES],
struct GPUMaterial **gpumat_array, int gpumat_array_len)
{
/* See: DM_vertex_attributes_from_gpu for similar logic */
GPUVertexAttribs gattribs = {{{0}}};
for (int i = 0; i < gpumat_array_len; i++) {
GPUMaterial *gpumat = gpumat_array[i];
if (gpumat) {
GPU_material_vertex_attributes(gpumat, &gattribs);
for (int j = 0; j < gattribs.totlayer; j++) {
const char *name = gattribs.layer[j].name;
int type = gattribs.layer[j].type;
int layer = -1;
if (type == CD_AUTO_FROM_NAME) {
/* We need to deduct what exact layer is used.
*
* We do it based on the specified name.
*/
if (name[0] != '\0') {
layer = CustomData_get_named_layer(cd_ldata, CD_MLOOPUV, name);
type = CD_MTFACE;
if (layer == -1) {
layer = CustomData_get_named_layer(cd_ldata, CD_MLOOPCOL, name);
type = CD_MCOL;
}
#if 0 /* Tangents are always from UV's - this will never happen. */
if (layer == -1) {
layer = CustomData_get_named_layer(cd_ldata, CD_TANGENT, name);
type = CD_TANGENT;
}
#endif
if (layer == -1) {
continue;
}
}
else {
/* Fall back to the UV layer, which matches old behavior. */
type = CD_MTFACE;
}
}
switch (type) {
case CD_MTFACE:
{
if (layer == -1) {
layer = (name[0] != '\0') ?
CustomData_get_named_layer(cd_ldata, CD_MLOOPUV, name) :
CustomData_get_active_layer(cd_ldata, CD_MLOOPUV);
}
if (layer != -1) {
cd_lused[CD_MLOOPUV] |= (1 << layer);
}
break;
}
case CD_TANGENT:
{
if (layer == -1) {
layer = (name[0] != '\0') ?
CustomData_get_named_layer(cd_ldata, CD_MLOOPUV, name) :
CustomData_get_active_layer(cd_ldata, CD_MLOOPUV);
}
if (layer != -1) {
cd_lused[CD_TANGENT] |= (1 << layer);
}
else {
/* no UV layers at all => requesting orco */
cd_lused[CD_TANGENT] |= DM_TANGENT_MASK_ORCO;
cd_vused[CD_ORCO] |= 1;
}
break;
}
case CD_MCOL:
{
if (layer == -1) {
layer = (name[0] != '\0') ?
CustomData_get_named_layer(cd_ldata, CD_MLOOPCOL, name) :
CustomData_get_active_layer(cd_ldata, CD_MLOOPCOL);
}
if (layer != -1) {
cd_lused[CD_MLOOPCOL] |= (1 << layer);
}
break;
}
case CD_ORCO:
{
cd_vused[CD_ORCO] |= 1;
break;
}
}
}
}
}
}
static void mesh_render_calc_normals_loop_and_poly(const Mesh *me, const float split_angle, MeshRenderData *rdata)
{
BLI_assert((me->flag & ME_AUTOSMOOTH) != 0);
int totloop = me->totloop;
int totpoly = me->totpoly;
float (*loop_normals)[3] = MEM_mallocN(sizeof(*loop_normals) * totloop, __func__);
float (*poly_normals)[3] = MEM_mallocN(sizeof(*poly_normals) * totpoly, __func__);
short (*clnors)[2] = CustomData_get_layer(&me->ldata, CD_CUSTOMLOOPNORMAL);
BKE_mesh_calc_normals_poly(
me->mvert, NULL, me->totvert,
me->mloop, me->mpoly, totloop, totpoly, poly_normals, false);
BKE_mesh_normals_loop_split(
me->mvert, me->totvert, me->medge, me->totedge,
me->mloop, loop_normals, totloop, me->mpoly, poly_normals, totpoly,
true, split_angle, NULL, clnors, NULL);
rdata->loop_len = totloop;
rdata->poly_len = totpoly;
rdata->loop_normals = loop_normals;
rdata->poly_normals = poly_normals;
}
/**
* TODO(campbell): 'gpumat_array' may include materials linked to the object.
* While not default, object materials should be supported.
* Although this only impacts the data that's generated, not the materials that display.
*/
static MeshRenderData *mesh_render_data_create_ex(
Mesh *me, const int types,
struct GPUMaterial **gpumat_array, uint gpumat_array_len)
{
MeshRenderData *rdata = MEM_callocN(sizeof(*rdata), __func__);
rdata->types = types;
rdata->mat_len = mesh_render_mat_len_get(me);
CustomData_reset(&rdata->cd.output.ldata);
const bool is_auto_smooth = (me->flag & ME_AUTOSMOOTH) != 0;
const float split_angle = is_auto_smooth ? me->smoothresh : (float)M_PI;
if (me->edit_btmesh) {
BMEditMesh *embm = me->edit_btmesh;
BMesh *bm = embm->bm;
rdata->edit_bmesh = embm;
rdata->edit_data = me->runtime.edit_data;
if (embm->mesh_eval_cage && (embm->mesh_eval_cage->runtime.is_original == false)) {
Mesh *me_cage = embm->mesh_eval_cage;
rdata->mapped.me_cage = me_cage;
if (types & MR_DATATYPE_VERT) {
rdata->mapped.vert_len = me_cage->totvert;
}
if (types & MR_DATATYPE_EDGE) {
rdata->mapped.edge_len = me_cage->totedge;
}
if (types & MR_DATATYPE_LOOP) {
rdata->mapped.loop_len = me_cage->totloop;
}
if (types & MR_DATATYPE_POLY) {
rdata->mapped.poly_len = me_cage->totpoly;
}
if (types & MR_DATATYPE_LOOPTRI) {
rdata->mapped.tri_len = poly_to_tri_count(me_cage->totpoly, me_cage->totloop);
}
rdata->mapped.v_origindex = CustomData_get_layer(&me_cage->vdata, CD_ORIGINDEX);
rdata->mapped.e_origindex = CustomData_get_layer(&me_cage->edata, CD_ORIGINDEX);
rdata->mapped.l_origindex = CustomData_get_layer(&me_cage->ldata, CD_ORIGINDEX);
rdata->mapped.p_origindex = CustomData_get_layer(&me_cage->pdata, CD_ORIGINDEX);
rdata->mapped.supported = (
rdata->mapped.v_origindex &&
rdata->mapped.e_origindex &&
rdata->mapped.p_origindex);
}
int bm_ensure_types = 0;
if (types & MR_DATATYPE_VERT) {
rdata->vert_len = bm->totvert;
bm_ensure_types |= BM_VERT;
}
if (types & MR_DATATYPE_EDGE) {
rdata->edge_len = bm->totedge;
bm_ensure_types |= BM_EDGE;
}
if (types & MR_DATATYPE_LOOPTRI) {
bm_ensure_types |= BM_LOOP;
}
if (types & MR_DATATYPE_LOOP) {
int totloop = bm->totloop;
if (is_auto_smooth) {
rdata->loop_normals = MEM_mallocN(sizeof(*rdata->loop_normals) * totloop, __func__);
int cd_loop_clnors_offset = CustomData_get_offset(&bm->ldata, CD_CUSTOMLOOPNORMAL);
BM_loops_calc_normal_vcos(
bm, NULL, NULL, NULL, true, split_angle, rdata->loop_normals, NULL, NULL,
cd_loop_clnors_offset, false);
}
rdata->loop_len = totloop;
bm_ensure_types |= BM_LOOP;
}
if (types & MR_DATATYPE_POLY) {
rdata->poly_len = bm->totface;
bm_ensure_types |= BM_FACE;
}
if (types & MR_DATATYPE_OVERLAY) {
rdata->efa_act = BM_mesh_active_face_get(bm, false, true);
rdata->eed_act = BM_mesh_active_edge_get(bm);
rdata->eve_act = BM_mesh_active_vert_get(bm);
rdata->cd.offset.crease = CustomData_get_offset(&bm->edata, CD_CREASE);
rdata->cd.offset.bweight = CustomData_get_offset(&bm->edata, CD_BWEIGHT);
#ifdef WITH_FREESTYLE
rdata->cd.offset.freestyle_edge = CustomData_get_offset(&bm->edata, CD_FREESTYLE_EDGE);
rdata->cd.offset.freestyle_face = CustomData_get_offset(&bm->pdata, CD_FREESTYLE_FACE);
#endif
}
if (types & (MR_DATATYPE_DVERT)) {
bm_ensure_types |= BM_VERT;
}
if (rdata->edit_data != NULL) {
bm_ensure_types |= BM_VERT;
}
BM_mesh_elem_index_ensure(bm, bm_ensure_types);
BM_mesh_elem_table_ensure(bm, bm_ensure_types & ~BM_LOOP);
if (types & MR_DATATYPE_LOOPTRI) {
/* Edit mode ensures this is valid, no need to calculate. */
BLI_assert((bm->totloop == 0) || (embm->looptris != NULL));
int tottri = embm->tottri;
MLoopTri *mlooptri = MEM_mallocN(sizeof(*rdata->mlooptri) * embm->tottri, __func__);
for (int index = 0; index < tottri ; index ++ ) {
BMLoop **bmtri = embm->looptris[index];
MLoopTri *mtri = &mlooptri[index];
mtri->tri[0] = BM_elem_index_get(bmtri[0]);
mtri->tri[1] = BM_elem_index_get(bmtri[1]);
mtri->tri[2] = BM_elem_index_get(bmtri[2]);
}
rdata->mlooptri = mlooptri;
rdata->tri_len = tottri;
}
if (types & MR_DATATYPE_OVERLAY) {
rdata->loose_vert_len = rdata->loose_edge_len = 0;
{
int *lverts = MEM_mallocN(rdata->vert_len * sizeof(int), __func__);
BLI_assert((bm->elem_table_dirty & BM_VERT) == 0);
for (int i = 0; i < bm->totvert; i++) {
const BMVert *eve = BM_vert_at_index(bm, i);
if (!BM_elem_flag_test(eve, BM_ELEM_HIDDEN)) {
/* Loose vert */
if (eve->e == NULL || !bm_vert_has_visible_edge(eve)) {
lverts[rdata->loose_vert_len++] = i;
}
}
}
rdata->loose_verts = MEM_reallocN(lverts, rdata->loose_vert_len * sizeof(int));
}
{
int *ledges = MEM_mallocN(rdata->edge_len * sizeof(int), __func__);
BLI_assert((bm->elem_table_dirty & BM_EDGE) == 0);
for (int i = 0; i < bm->totedge; i++) {
const BMEdge *eed = BM_edge_at_index(bm, i);
if (!BM_elem_flag_test(eed, BM_ELEM_HIDDEN)) {
/* Loose edge */
if (eed->l == NULL || !bm_edge_has_visible_face(eed)) {
ledges[rdata->loose_edge_len++] = i;
}
}
}
rdata->loose_edges = MEM_reallocN(ledges, rdata->loose_edge_len * sizeof(int));
}
if (rdata->mapped.supported) {
Mesh *me_cage = embm->mesh_eval_cage;
rdata->mapped.loose_vert_len = rdata->mapped.loose_edge_len = 0;
if (rdata->loose_vert_len) {
int *lverts = MEM_mallocN(me_cage->totvert * sizeof(int), __func__);
const int *v_origindex = rdata->mapped.v_origindex;
for (int i = 0; i < me_cage->totvert; i++) {
const int v_orig = v_origindex[i];
if (v_orig != ORIGINDEX_NONE) {
BMVert *eve = BM_vert_at_index(bm, v_orig);
if (!BM_elem_flag_test(eve, BM_ELEM_HIDDEN)) {
/* Loose vert */
if (eve->e == NULL || !bm_vert_has_visible_edge(eve)) {
lverts[rdata->mapped.loose_vert_len++] = i;
}
}
}
}
rdata->mapped.loose_verts = MEM_reallocN(lverts, rdata->mapped.loose_vert_len * sizeof(int));
}
if (rdata->loose_edge_len) {
int *ledges = MEM_mallocN(me_cage->totedge * sizeof(int), __func__);
const int *e_origindex = rdata->mapped.e_origindex;
for (int i = 0; i < me_cage->totedge; i++) {
const int e_orig = e_origindex[i];
if (e_orig != ORIGINDEX_NONE) {
BMEdge *eed = BM_edge_at_index(bm, e_orig);
if (!BM_elem_flag_test(eed, BM_ELEM_HIDDEN)) {
/* Loose edge */
if (eed->l == NULL || !bm_edge_has_visible_face(eed)) {
ledges[rdata->mapped.loose_edge_len++] = i;
}
}
}
}
rdata->mapped.loose_edges = MEM_reallocN(ledges, rdata->mapped.loose_edge_len * sizeof(int));
}
}
}
}
else {
rdata->me = me;
if (types & (MR_DATATYPE_VERT)) {
rdata->vert_len = me->totvert;
rdata->mvert = CustomData_get_layer(&me->vdata, CD_MVERT);
}
if (types & (MR_DATATYPE_EDGE)) {
rdata->edge_len = me->totedge;
rdata->medge = CustomData_get_layer(&me->edata, CD_MEDGE);
}
if (types & MR_DATATYPE_LOOPTRI) {
const int tri_len = rdata->tri_len = poly_to_tri_count(me->totpoly, me->totloop);
MLoopTri *mlooptri = MEM_mallocN(sizeof(*mlooptri) * tri_len, __func__);
BKE_mesh_recalc_looptri(me->mloop, me->mpoly, me->mvert, me->totloop, me->totpoly, mlooptri);
rdata->mlooptri = mlooptri;
}
if (types & MR_DATATYPE_LOOP) {
rdata->loop_len = me->totloop;
rdata->mloop = CustomData_get_layer(&me->ldata, CD_MLOOP);
if (is_auto_smooth) {
mesh_render_calc_normals_loop_and_poly(me, split_angle, rdata);
}
}
if (types & MR_DATATYPE_POLY) {
rdata->poly_len = me->totpoly;
rdata->mpoly = CustomData_get_layer(&me->pdata, CD_MPOLY);
}
if (types & MR_DATATYPE_DVERT) {
rdata->vert_len = me->totvert;
rdata->dvert = CustomData_get_layer(&me->vdata, CD_MDEFORMVERT);
}
if (types & MR_DATATYPE_LOOPCOL) {
rdata->loop_len = me->totloop;
rdata->mloopcol = CustomData_get_layer(&me->ldata, CD_MLOOPCOL);
}
if (types & MR_DATATYPE_LOOPUV) {
rdata->loop_len = me->totloop;
rdata->mloopuv = CustomData_get_layer(&me->ldata, CD_MLOOPUV);
}
}
if (types & MR_DATATYPE_SHADING) {
CustomData *cd_vdata, *cd_ldata;
if (me->edit_btmesh) {
BMesh *bm = me->edit_btmesh->bm;
cd_vdata = &bm->vdata;
cd_ldata = &bm->ldata;
}
else {
cd_vdata = &me->vdata;
cd_ldata = &me->ldata;
}
/* Add edge/poly if we need them */
uchar cd_vused[CD_NUMTYPES] = {0};
ushort cd_lused[CD_NUMTYPES] = {0};
mesh_cd_calc_used_gpu_layers(
cd_vdata, cd_vused,
cd_ldata, cd_lused,
gpumat_array, gpumat_array_len);
rdata->cd.layers.uv_active = CustomData_get_active_layer(cd_ldata, CD_MLOOPUV);
rdata->cd.layers.vcol_active = CustomData_get_active_layer(cd_ldata, CD_MLOOPCOL);
rdata->cd.layers.tangent_active = rdata->cd.layers.uv_active;
#define CD_VALIDATE_ACTIVE_LAYER(active_index, used) \
if ((active_index != -1) && (used & (1 << active_index)) == 0) { \
active_index = -1; \
} ((void)0)
CD_VALIDATE_ACTIVE_LAYER(rdata->cd.layers.uv_active, cd_lused[CD_MLOOPUV]);
CD_VALIDATE_ACTIVE_LAYER(rdata->cd.layers.tangent_active, cd_lused[CD_TANGENT]);
CD_VALIDATE_ACTIVE_LAYER(rdata->cd.layers.vcol_active, cd_lused[CD_MLOOPCOL]);
#undef CD_VALIDATE_ACTIVE_LAYER
rdata->is_orco_allocated = false;
if (cd_vused[CD_ORCO] & 1) {
rdata->orco = CustomData_get_layer(cd_vdata, CD_ORCO);
/* If orco is not available compute it ourselves */
if (!rdata->orco) {
rdata->is_orco_allocated = true;
if (me->edit_btmesh) {
BMesh *bm = me->edit_btmesh->bm;
rdata->orco = MEM_mallocN(sizeof(*rdata->orco) * rdata->vert_len, "orco mesh");
BLI_assert((bm->elem_table_dirty & BM_VERT) == 0);
for (int i = 0; i < bm->totvert; i++) {
copy_v3_v3(rdata->orco[i], BM_vert_at_index(bm, i)->co);
}
BKE_mesh_orco_verts_transform(me, rdata->orco, rdata->vert_len, 0);
}
else {
rdata->orco = MEM_mallocN(sizeof(*rdata->orco) * rdata->vert_len, "orco mesh");
MVert *mvert = rdata->mvert;
for (int a = 0; a < rdata->vert_len; a++, mvert++) {
copy_v3_v3(rdata->orco[a], mvert->co);
}
BKE_mesh_orco_verts_transform(me, rdata->orco, rdata->vert_len, 0);
}
}
}
else {
rdata->orco = NULL;
}
/* don't access mesh directly, instead use vars taken from BMesh or Mesh */
#define me DONT_USE_THIS
#ifdef me /* quiet warning */
#endif
struct {
uint uv_len;
uint vcol_len;
} cd_layers_src = {
.uv_len = CustomData_number_of_layers(cd_ldata, CD_MLOOPUV),
.vcol_len = CustomData_number_of_layers(cd_ldata, CD_MLOOPCOL),
};
rdata->cd.layers.uv_len = count_bits_i(cd_lused[CD_MLOOPUV]);
rdata->cd.layers.tangent_len = count_bits_i(cd_lused[CD_TANGENT]);
rdata->cd.layers.vcol_len = count_bits_i(cd_lused[CD_MLOOPCOL]);
rdata->cd.layers.uv = MEM_mallocN(sizeof(*rdata->cd.layers.uv) * rdata->cd.layers.uv_len, __func__);
rdata->cd.layers.vcol = MEM_mallocN(sizeof(*rdata->cd.layers.vcol) * rdata->cd.layers.vcol_len, __func__);
rdata->cd.layers.tangent = MEM_mallocN(sizeof(*rdata->cd.layers.tangent) * rdata->cd.layers.tangent_len, __func__);
rdata->cd.uuid.uv = MEM_mallocN(sizeof(*rdata->cd.uuid.uv) * rdata->cd.layers.uv_len, __func__);
rdata->cd.uuid.vcol = MEM_mallocN(sizeof(*rdata->cd.uuid.vcol) * rdata->cd.layers.vcol_len, __func__);
rdata->cd.uuid.tangent = MEM_mallocN(sizeof(*rdata->cd.uuid.tangent) * rdata->cd.layers.tangent_len, __func__);
rdata->cd.offset.uv = MEM_mallocN(sizeof(*rdata->cd.offset.uv) * rdata->cd.layers.uv_len, __func__);
rdata->cd.offset.vcol = MEM_mallocN(sizeof(*rdata->cd.offset.vcol) * rdata->cd.layers.vcol_len, __func__);
/* Allocate max */
rdata->cd.layers.auto_vcol = MEM_callocN(
sizeof(*rdata->cd.layers.auto_vcol) * rdata->cd.layers.vcol_len, __func__);
rdata->cd.uuid.auto_mix = MEM_mallocN(
sizeof(*rdata->cd.uuid.auto_mix) * (rdata->cd.layers.vcol_len + rdata->cd.layers.uv_len), __func__);
/* XXX FIXME XXX */
/* We use a hash to identify each data layer based on its name.
* Gawain then search for this name in the current shader and bind if it exists.
* NOTE : This is prone to hash collision.
* One solution to hash collision would be to format the cd layer name
* to a safe glsl var name, but without name clash.
* NOTE 2 : Replicate changes to code_generate_vertex_new() in gpu_codegen.c */
if (rdata->cd.layers.vcol_len != 0) {
for (int i_src = 0, i_dst = 0; i_src < cd_layers_src.vcol_len; i_src++, i_dst++) {
if ((cd_lused[CD_MLOOPCOL] & (1 << i_src)) == 0) {
i_dst--;
if (rdata->cd.layers.vcol_active >= i_src) {
rdata->cd.layers.vcol_active--;
}
}
else {
const char *name = CustomData_get_layer_name(cd_ldata, CD_MLOOPCOL, i_src);
uint hash = BLI_ghashutil_strhash_p(name);
BLI_snprintf(rdata->cd.uuid.vcol[i_dst], sizeof(*rdata->cd.uuid.vcol), "c%u", hash);
rdata->cd.layers.vcol[i_dst] = CustomData_get_layer_n(cd_ldata, CD_MLOOPCOL, i_src);
if (rdata->edit_bmesh) {
rdata->cd.offset.vcol[i_dst] = CustomData_get_n_offset(
&rdata->edit_bmesh->bm->ldata, CD_MLOOPCOL, i_src);
}
/* 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, name) == -1) {
BLI_snprintf(
rdata->cd.uuid.auto_mix[rdata->cd.layers.uv_len + i_dst],
sizeof(*rdata->cd.uuid.auto_mix), "a%u", hash);
rdata->cd.layers.auto_vcol[i_dst] = true;
}
}
}
}
/* Start Fresh */
CustomData_free_layers(cd_ldata, CD_TANGENT, rdata->loop_len);
CustomData_free_layers(cd_ldata, CD_MLOOPTANGENT, rdata->loop_len);
if (rdata->cd.layers.uv_len != 0) {
for (int i_src = 0, i_dst = 0; i_src < cd_layers_src.uv_len; i_src++, i_dst++) {
if ((cd_lused[CD_MLOOPUV] & (1 << i_src)) == 0) {
i_dst--;
if (rdata->cd.layers.uv_active >= i_src) {
rdata->cd.layers.uv_active--;
}
}
else {
const char *name = CustomData_get_layer_name(cd_ldata, CD_MLOOPUV, i_src);
uint hash = BLI_ghashutil_strhash_p(name);
BLI_snprintf(rdata->cd.uuid.uv[i_dst], sizeof(*rdata->cd.uuid.uv), "u%u", hash);
rdata->cd.layers.uv[i_dst] = CustomData_get_layer_n(cd_ldata, CD_MLOOPUV, i_src);
if (rdata->edit_bmesh) {
rdata->cd.offset.uv[i_dst] = CustomData_get_n_offset(
&rdata->edit_bmesh->bm->ldata, CD_MLOOPUV, i_src);
}
BLI_snprintf(rdata->cd.uuid.auto_mix[i_dst], sizeof(*rdata->cd.uuid.auto_mix), "a%u", hash);
}
}
}
if (rdata->cd.layers.tangent_len != 0) {
/* -------------------------------------------------------------------- */
/* Pre-calculate tangents into 'rdata->cd.output.ldata' */
BLI_assert(!CustomData_has_layer(&rdata->cd.output.ldata, CD_TANGENT));
/* Tangent Names */
char tangent_names[MAX_MTFACE][MAX_NAME];
for (int i_src = 0, i_dst = 0; i_src < cd_layers_src.uv_len; i_src++, i_dst++) {
if ((cd_lused[CD_TANGENT] & (1 << i_src)) == 0) {
i_dst--;
}
else {
BLI_strncpy(
tangent_names[i_dst],
CustomData_get_layer_name(cd_ldata, CD_MLOOPUV, i_src), MAX_NAME);
}
}
/* If tangent from orco is requested, decrement tangent_len */
int actual_tangent_len = (cd_lused[CD_TANGENT] & DM_TANGENT_MASK_ORCO) ?
rdata->cd.layers.tangent_len - 1 : rdata->cd.layers.tangent_len;
if (rdata->edit_bmesh) {
BMEditMesh *em = rdata->edit_bmesh;
BMesh *bm = em->bm;
if (is_auto_smooth && rdata->loop_normals == NULL) {
/* Should we store the previous array of `loop_normals` in somewhere? */
rdata->loop_len = bm->totloop;
rdata->loop_normals = MEM_mallocN(sizeof(*rdata->loop_normals) * rdata->loop_len, __func__);
BM_loops_calc_normal_vcos(bm, NULL, NULL, NULL, true, split_angle, rdata->loop_normals, NULL, NULL, -1, false);
}
bool calc_active_tangent = false;
BKE_editmesh_loop_tangent_calc(
em, calc_active_tangent,
tangent_names, actual_tangent_len,
rdata->poly_normals, rdata->loop_normals,
rdata->orco,
&rdata->cd.output.ldata, bm->totloop,
&rdata->cd.output.tangent_mask);
}
else {
#undef me
if (is_auto_smooth && rdata->loop_normals == NULL) {
/* Should we store the previous array of `loop_normals` in CustomData? */
mesh_render_calc_normals_loop_and_poly(me, split_angle, rdata);
}
bool calc_active_tangent = false;
BKE_mesh_calc_loop_tangent_ex(
me->mvert,
me->mpoly, me->totpoly,
me->mloop,
rdata->mlooptri, rdata->tri_len,
cd_ldata,
calc_active_tangent,
tangent_names, actual_tangent_len,
rdata->poly_normals, rdata->loop_normals,
rdata->orco,
&rdata->cd.output.ldata, me->totloop,
&rdata->cd.output.tangent_mask);
/* If we store tangents in the mesh, set temporary. */
#if 0
CustomData_set_layer_flag(cd_ldata, CD_TANGENT, CD_FLAG_TEMPORARY);
#endif
#define me DONT_USE_THIS
#ifdef me /* quiet warning */
#endif
}
/* End tangent calculation */
/* -------------------------------------------------------------------- */
BLI_assert(CustomData_number_of_layers(&rdata->cd.output.ldata, CD_TANGENT) == rdata->cd.layers.tangent_len);
int i_dst = 0;
for (int i_src = 0; i_src < cd_layers_src.uv_len; i_src++, i_dst++) {
if ((cd_lused[CD_TANGENT] & (1 << i_src)) == 0) {
i_dst--;
if (rdata->cd.layers.tangent_active >= i_src) {
rdata->cd.layers.tangent_active--;
}
}
else {
const char *name = CustomData_get_layer_name(cd_ldata, CD_MLOOPUV, i_src);
uint hash = BLI_ghashutil_strhash_p(name);
BLI_snprintf(rdata->cd.uuid.tangent[i_dst], sizeof(*rdata->cd.uuid.tangent), "t%u", hash);
/* Done adding tangents. */
/* note: BKE_editmesh_loop_tangent_calc calculates 'CD_TANGENT',
* not 'CD_MLOOPTANGENT' (as done below). It's OK, they're compatible. */
/* note: normally we'd use 'i_src' here, but 'i_dst' is in sync with 'rdata->cd.output' */
rdata->cd.layers.tangent[i_dst] = CustomData_get_layer_n(&rdata->cd.output.ldata, CD_TANGENT, i_dst);
if (rdata->tri_len != 0) {
BLI_assert(rdata->cd.layers.tangent[i_dst] != NULL);
}
}
}
if (cd_lused[CD_TANGENT] & DM_TANGENT_MASK_ORCO) {
const char *name = CustomData_get_layer_name(&rdata->cd.output.ldata, CD_TANGENT, i_dst);
uint hash = BLI_ghashutil_strhash_p(name);
BLI_snprintf(rdata->cd.uuid.tangent[i_dst], sizeof(*rdata->cd.uuid.tangent), "t%u", hash);
rdata->cd.layers.tangent[i_dst] = CustomData_get_layer_n(&rdata->cd.output.ldata, CD_TANGENT, i_dst);
}
}
#undef me
}
return rdata;
}
static void mesh_render_data_free(MeshRenderData *rdata)
{
if (rdata->is_orco_allocated) {
MEM_SAFE_FREE(rdata->orco);
}
MEM_SAFE_FREE(rdata->cd.offset.uv);
MEM_SAFE_FREE(rdata->cd.offset.vcol);
MEM_SAFE_FREE(rdata->cd.uuid.auto_mix);
MEM_SAFE_FREE(rdata->cd.uuid.uv);
MEM_SAFE_FREE(rdata->cd.uuid.vcol);
MEM_SAFE_FREE(rdata->cd.uuid.tangent);
MEM_SAFE_FREE(rdata->cd.layers.uv);
MEM_SAFE_FREE(rdata->cd.layers.vcol);
MEM_SAFE_FREE(rdata->cd.layers.tangent);
MEM_SAFE_FREE(rdata->cd.layers.auto_vcol);
MEM_SAFE_FREE(rdata->loose_verts);
MEM_SAFE_FREE(rdata->loose_edges);
MEM_SAFE_FREE(rdata->edges_adjacent_polys);
MEM_SAFE_FREE(rdata->mlooptri);
MEM_SAFE_FREE(rdata->loop_normals);
MEM_SAFE_FREE(rdata->poly_normals);
MEM_SAFE_FREE(rdata->poly_normals_pack);
MEM_SAFE_FREE(rdata->vert_normals_pack);
MEM_SAFE_FREE(rdata->vert_weight);
MEM_SAFE_FREE(rdata->edge_select_bool);
MEM_SAFE_FREE(rdata->edge_visible_bool);
MEM_SAFE_FREE(rdata->vert_color);
MEM_SAFE_FREE(rdata->mapped.loose_verts);
MEM_SAFE_FREE(rdata->mapped.loose_edges);
CustomData_free(&rdata->cd.output.ldata, rdata->loop_len);
MEM_freeN(rdata);
}
static MeshRenderData *mesh_render_data_create(Mesh *me, const int types)
{
return mesh_render_data_create_ex(me, types, NULL, 0);
}
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Accessor Functions
* \{ */
static const char *mesh_render_data_uv_auto_layer_uuid_get(const MeshRenderData *rdata, int layer)
{
BLI_assert(rdata->types & MR_DATATYPE_SHADING);
return rdata->cd.uuid.auto_mix[layer];
}
static const char *mesh_render_data_vcol_auto_layer_uuid_get(const MeshRenderData *rdata, int layer)
{
BLI_assert(rdata->types & MR_DATATYPE_SHADING);
return rdata->cd.uuid.auto_mix[rdata->cd.layers.uv_len + layer];
}
static const char *mesh_render_data_uv_layer_uuid_get(const MeshRenderData *rdata, int layer)
{
BLI_assert(rdata->types & MR_DATATYPE_SHADING);
return rdata->cd.uuid.uv[layer];
}
static const char *mesh_render_data_vcol_layer_uuid_get(const MeshRenderData *rdata, int layer)
{
BLI_assert(rdata->types & MR_DATATYPE_SHADING);
return rdata->cd.uuid.vcol[layer];
}
static const char *mesh_render_data_tangent_layer_uuid_get(const MeshRenderData *rdata, int layer)
{
BLI_assert(rdata->types & MR_DATATYPE_SHADING);
return rdata->cd.uuid.tangent[layer];
}
static int mesh_render_data_verts_len_get(const MeshRenderData *rdata)
{
BLI_assert(rdata->types & MR_DATATYPE_VERT);
return rdata->vert_len;
}
static int mesh_render_data_verts_len_get_maybe_mapped(const MeshRenderData *rdata)
{
BLI_assert(rdata->types & MR_DATATYPE_VERT);
return ((rdata->mapped.use == false) ? rdata->vert_len : rdata->mapped.vert_len);
}
static int UNUSED_FUNCTION(mesh_render_data_loose_verts_len_get)(const MeshRenderData *rdata)
{
BLI_assert(rdata->types & MR_DATATYPE_OVERLAY);
return rdata->loose_vert_len;
}
static int mesh_render_data_loose_verts_len_get_maybe_mapped(const MeshRenderData *rdata)
{
BLI_assert(rdata->types & MR_DATATYPE_OVERLAY);
return ((rdata->mapped.use == false) ? rdata->loose_vert_len : rdata->mapped.loose_vert_len);
}
static int mesh_render_data_edges_len_get(const MeshRenderData *rdata)
{
BLI_assert(rdata->types & MR_DATATYPE_EDGE);
return rdata->edge_len;
}
static int mesh_render_data_edges_len_get_maybe_mapped(const MeshRenderData *rdata)
{
BLI_assert(rdata->types & MR_DATATYPE_EDGE);
return ((rdata->mapped.use == false) ? rdata->edge_len : rdata->mapped.edge_len);
}
static int UNUSED_FUNCTION(mesh_render_data_loose_edges_len_get)(const MeshRenderData *rdata)
{
BLI_assert(rdata->types & MR_DATATYPE_OVERLAY);
return rdata->loose_edge_len;
}
static int mesh_render_data_loose_edges_len_get_maybe_mapped(const MeshRenderData *rdata)
{
BLI_assert(rdata->types & MR_DATATYPE_OVERLAY);
return ((rdata->mapped.use == false) ? rdata->loose_edge_len : rdata->mapped.loose_edge_len);
}
static int mesh_render_data_looptri_len_get(const MeshRenderData *rdata)
{
BLI_assert(rdata->types & MR_DATATYPE_LOOPTRI);
return rdata->tri_len;
}
static int mesh_render_data_looptri_len_get_maybe_mapped(const MeshRenderData *rdata)
{
BLI_assert(rdata->types & MR_DATATYPE_LOOPTRI);
return ((rdata->mapped.use == false) ? rdata->tri_len : rdata->mapped.tri_len);
}
static int mesh_render_data_mat_len_get(const MeshRenderData *rdata)
{
BLI_assert(rdata->types & MR_DATATYPE_POLY);
return rdata->mat_len;
}
static int mesh_render_data_loops_len_get(const MeshRenderData *rdata)
{
BLI_assert(rdata->types & MR_DATATYPE_LOOP);
return rdata->loop_len;
}
static int mesh_render_data_polys_len_get(const MeshRenderData *rdata)
{
BLI_assert(rdata->types & MR_DATATYPE_POLY);
return rdata->poly_len;
}
static int mesh_render_data_polys_len_get_maybe_mapped(const MeshRenderData *rdata)
{
BLI_assert(rdata->types & MR_DATATYPE_POLY);
return ((rdata->mapped.use == false) ? rdata->poly_len : rdata->mapped.poly_len);
}
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Internal Cache (Lazy Initialization)
* \{ */
/** Ensure #MeshRenderData.poly_normals_pack */
static void mesh_render_data_ensure_poly_normals_pack(MeshRenderData *rdata)
{
GPUPackedNormal *pnors_pack = rdata->poly_normals_pack;
if (pnors_pack == NULL) {
if (rdata->edit_bmesh) {
BMesh *bm = rdata->edit_bmesh->bm;
BMIter fiter;
BMFace *efa;
int i;
pnors_pack = rdata->poly_normals_pack = MEM_mallocN(sizeof(*pnors_pack) * rdata->poly_len, __func__);
if (rdata->edit_data && rdata->edit_data->vertexCos != NULL) {
BKE_editmesh_cache_ensure_poly_normals(rdata->edit_bmesh, rdata->edit_data);
const float (*pnors)[3] = rdata->edit_data->polyNos;
for (i = 0; i < bm->totface; i++) {
pnors_pack[i] = GPU_normal_convert_i10_v3(pnors[i]);
}
}
else {
BM_ITER_MESH_INDEX(efa, &fiter, bm, BM_FACES_OF_MESH, i) {
pnors_pack[i] = GPU_normal_convert_i10_v3(efa->no);
}
}
}
else {
float (*pnors)[3] = rdata->poly_normals;
if (!pnors) {
pnors = rdata->poly_normals = MEM_mallocN(sizeof(*pnors) * rdata->poly_len, __func__);
BKE_mesh_calc_normals_poly(
rdata->mvert, NULL, rdata->vert_len,
rdata->mloop, rdata->mpoly, rdata->loop_len, rdata->poly_len, pnors, true);
}
pnors_pack = rdata->poly_normals_pack = MEM_mallocN(sizeof(*pnors_pack) * rdata->poly_len, __func__);
for (int i = 0; i < rdata->poly_len; i++) {
pnors_pack[i] = GPU_normal_convert_i10_v3(pnors[i]);
}
}
}
}
/** Ensure #MeshRenderData.vert_normals_pack */
static void mesh_render_data_ensure_vert_normals_pack(MeshRenderData *rdata)
{
GPUPackedNormal *vnors_pack = rdata->vert_normals_pack;
if (vnors_pack == NULL) {
if (rdata->edit_bmesh) {
BMesh *bm = rdata->edit_bmesh->bm;
BMIter viter;
BMVert *eve;
int i;
vnors_pack = rdata->vert_normals_pack = MEM_mallocN(sizeof(*vnors_pack) * rdata->vert_len, __func__);
BM_ITER_MESH_INDEX(eve, &viter, bm, BM_VERT, i) {
vnors_pack[i] = GPU_normal_convert_i10_v3(eve->no);
}
}
else {
/* data from mesh used directly */
BLI_assert(0);
}
}
}
/** Ensure #MeshRenderData.vert_color */
static void mesh_render_data_ensure_vert_color(MeshRenderData *rdata)
{
char (*vcol)[3] = rdata->vert_color;
if (vcol == NULL) {
if (rdata->edit_bmesh) {
BMesh *bm = rdata->edit_bmesh->bm;
const int cd_loop_color_offset = CustomData_get_offset(&bm->ldata, CD_MLOOPCOL);
if (cd_loop_color_offset == -1) {
goto fallback;
}
vcol = rdata->vert_color = MEM_mallocN(sizeof(*vcol) * rdata->loop_len, __func__);
BMIter fiter;
BMFace *efa;
int i = 0;
BM_ITER_MESH(efa, &fiter, bm, BM_FACES_OF_MESH) {
BMLoop *l_iter, *l_first;
l_iter = l_first = BM_FACE_FIRST_LOOP(efa);
do {
const MLoopCol *lcol = BM_ELEM_CD_GET_VOID_P(l_iter, cd_loop_color_offset);
vcol[i][0] = lcol->r;
vcol[i][1] = lcol->g;
vcol[i][2] = lcol->b;
i += 1;
} while ((l_iter = l_iter->next) != l_first);
}
BLI_assert(i == rdata->loop_len);
}
else {
if (rdata->mloopcol == NULL) {
goto fallback;
}
vcol = rdata->vert_color = MEM_mallocN(sizeof(*vcol) * rdata->loop_len, __func__);
for (int i = 0; i < rdata->loop_len; i++) {
vcol[i][0] = rdata->mloopcol[i].r;
vcol[i][1] = rdata->mloopcol[i].g;
vcol[i][2] = rdata->mloopcol[i].b;
}
}
}
return;
fallback:
vcol = rdata->vert_color = MEM_mallocN(sizeof(*vcol) * rdata->loop_len, __func__);
for (int i = 0; i < rdata->loop_len; i++) {
vcol[i][0] = 255;
vcol[i][1] = 255;
vcol[i][2] = 255;
}
}
static float evaluate_vertex_weight(const MDeformVert *dvert, const struct DRW_MeshWeightState *wstate)
{
float input = 0.0f;
bool show_alert_color = false;
if (wstate->flags & DRW_MESH_WEIGHT_STATE_MULTIPAINT) {
/* Multi-Paint feature */
input = BKE_defvert_multipaint_collective_weight(
dvert, wstate->defgroup_len, wstate->defgroup_sel, wstate->defgroup_sel_count,
(wstate->flags & DRW_MESH_WEIGHT_STATE_AUTO_NORMALIZE) != 0);
/* make it black if the selected groups have no weight on a vertex */
if (input == 0.0f) {
show_alert_color = true;
}
}
else {
/* default, non tricky behavior */
input = defvert_find_weight(dvert, wstate->defgroup_active);
if (input == 0.0f) {
switch (wstate->alert_mode) {
case OB_DRAW_GROUPUSER_ACTIVE:
show_alert_color = true;
break;
case OB_DRAW_GROUPUSER_ALL:
show_alert_color = defvert_is_weight_zero(dvert, wstate->defgroup_len);
break;
}
}
}
if (show_alert_color) {
return -1.0f;
}
else {
CLAMP(input, 0.0f, 1.0f);
return input;
}
}
/** Ensure #MeshRenderData.vert_weight */
static void mesh_render_data_ensure_vert_weight(MeshRenderData *rdata, const struct DRW_MeshWeightState *wstate)
{
float (*vweight) = rdata->vert_weight;
if (vweight == NULL) {
if (wstate->defgroup_active == -1) {
goto fallback;
}
if (rdata->edit_bmesh) {
BMesh *bm = rdata->edit_bmesh->bm;
const int cd_dvert_offset = CustomData_get_offset(&bm->vdata, CD_MDEFORMVERT);
if (cd_dvert_offset == -1) {
goto fallback;
}
BMIter viter;
BMVert *eve;
int i;
vweight = rdata->vert_weight = MEM_mallocN(sizeof(*vweight) * rdata->vert_len, __func__);
BM_ITER_MESH_INDEX(eve, &viter, bm, BM_VERT, i) {
const MDeformVert *dvert = BM_ELEM_CD_GET_VOID_P(eve, cd_dvert_offset);
vweight[i] = evaluate_vertex_weight(dvert, wstate);
}
}
else {
if (rdata->dvert == NULL) {
goto fallback;
}
vweight = rdata->vert_weight = MEM_mallocN(sizeof(*vweight) * rdata->vert_len, __func__);
for (int i = 0; i < rdata->vert_len; i++) {
vweight[i] = evaluate_vertex_weight(&rdata->dvert[i], wstate);
}
}
}
return;
fallback:
vweight = rdata->vert_weight = MEM_callocN(sizeof(*vweight) * rdata->vert_len, __func__);
if ((wstate->defgroup_active < 0) && (wstate->defgroup_len > 0)) {
copy_vn_fl(vweight, rdata->vert_len, -2.0f);
}
else if (wstate->alert_mode != OB_DRAW_GROUPUSER_NONE) {
copy_vn_fl(vweight, rdata->vert_len, -1.0f);
}
}
/** Ensure #MeshRenderData.edge_select_bool */
static void mesh_render_data_ensure_edge_select_bool(MeshRenderData *rdata, bool use_wire)
{
bool *edge_select_bool = rdata->edge_select_bool;
if (edge_select_bool == NULL) {
edge_select_bool = rdata->edge_select_bool =
MEM_callocN(sizeof(*edge_select_bool) * rdata->edge_len, __func__);
for (int i = 0; i < rdata->poly_len; i++) {
const MPoly *poly = &rdata->mpoly[i];
if (poly->flag & ME_FACE_SEL) {
for (int j = 0; j < poly->totloop; j++) {
const MLoop *loop = &rdata->mloop[poly->loopstart + j];
if (use_wire) {
edge_select_bool[loop->e] = true;
}
else {
/* Not totally correct, will cause problems for edges with 3x faces. */
edge_select_bool[loop->e] = !edge_select_bool[loop->e];
}
}
}
}
}
}
/** Ensure #MeshRenderData.edge_visible_bool */
static void mesh_render_data_ensure_edge_visible_bool(MeshRenderData *rdata)
{
bool *edge_visible_bool = rdata->edge_visible_bool;
if (edge_visible_bool == NULL) {
edge_visible_bool = rdata->edge_visible_bool =
MEM_callocN(sizeof(*edge_visible_bool) * rdata->edge_len, __func__);
/* If original index is available, hide edges within the same original poly. */
const int *p_origindex = NULL;
int *index_table = NULL;
if (rdata->me != NULL) {
p_origindex = CustomData_get_layer(&rdata->me->pdata, CD_ORIGINDEX);
if (p_origindex != NULL) {
index_table = MEM_malloc_arrayN(sizeof(int), rdata->edge_len, __func__);
memset(index_table, -1, sizeof(int) * rdata->edge_len);
}
}
for (int i = 0; i < rdata->poly_len; i++) {
const MPoly *poly = &rdata->mpoly[i];
int p_orig = p_origindex ? p_origindex[i] : ORIGINDEX_NONE;
if (!(poly->flag & ME_HIDE)) {
for (int j = 0; j < poly->totloop; j++) {
const MLoop *loop = &rdata->mloop[poly->loopstart + j];
if (p_orig != ORIGINDEX_NONE) {
/* Boundary edge is visible. */
if (index_table[loop->e] == -1) {
index_table[loop->e] = p_orig;
edge_visible_bool[loop->e] = true;
}
/* Edge between two faces with the same original is hidden. */
else if (index_table[loop->e] == p_orig) {
edge_visible_bool[loop->e] = false;
}
/* Edge between two different original faces is visible. */
else {
index_table[loop->e] = -2;
edge_visible_bool[loop->e] = true;
}
}
else {
if (index_table != NULL) {
index_table[loop->e] = -2;
}
edge_visible_bool[loop->e] = true;
}
}
}
}
if (index_table != NULL) {
MEM_freeN(index_table);
}
}
}
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Internal Cache Generation
* \{ */
static bool mesh_render_data_pnors_pcenter_select_get(
MeshRenderData *rdata, const int poly,
float r_pnors[3], float r_center[3], bool *r_selected)
{
BLI_assert(rdata->types & (MR_DATATYPE_VERT | MR_DATATYPE_LOOP | MR_DATATYPE_POLY));
if (rdata->edit_bmesh) {
const BMFace *efa = BM_face_at_index(rdata->edit_bmesh->bm, poly);
if (BM_elem_flag_test(efa, BM_ELEM_HIDDEN)) {
return false;
}
if (rdata->edit_data && rdata->edit_data->vertexCos) {
copy_v3_v3(r_center, rdata->edit_data->polyCos[poly]);
copy_v3_v3(r_pnors, rdata->edit_data->polyNos[poly]);
}
else {
BM_face_calc_center_mean(efa, r_center);
copy_v3_v3(r_pnors, efa->no);
}
*r_selected = (BM_elem_flag_test(efa, BM_ELEM_SELECT) != 0) ? true : false;
}
else {
MVert *mvert = rdata->mvert;
const MPoly *mpoly = rdata->mpoly + poly;
const MLoop *mloop = rdata->mloop + mpoly->loopstart;
BKE_mesh_calc_poly_center(mpoly, mloop, mvert, r_center);
BKE_mesh_calc_poly_normal(mpoly, mloop, mvert, r_pnors);
*r_selected = false; /* No selection if not in edit mode */
}
return true;
}
static bool mesh_render_data_pnors_pcenter_select_get_mapped(
MeshRenderData *rdata, const int poly,
float r_pnors[3], float r_center[3], bool *r_selected)
{
BLI_assert(rdata->types & (MR_DATATYPE_VERT | MR_DATATYPE_LOOP | MR_DATATYPE_POLY));
const int *p_origindex = rdata->mapped.p_origindex;
const int p_orig = p_origindex[poly];
if (p_orig == ORIGINDEX_NONE) {
return false;
}
BMEditMesh *em = rdata->edit_bmesh;
const BMFace *efa = BM_face_at_index(rdata->edit_bmesh->bm, p_orig);
if (BM_elem_flag_test(efa, BM_ELEM_HIDDEN)) {
return false;
}
Mesh *me_cage = em->mesh_eval_cage;
const MVert *mvert = me_cage->mvert;
#if 0
const MEdge *medge = me_cage->medge;
#endif
const MLoop *mloop = me_cage->mloop;
const MPoly *mpoly = me_cage->mpoly;
const MPoly *mp = mpoly + poly;
const MLoop *ml = mloop + mp->loopstart;
BKE_mesh_calc_poly_center(mp, ml, mvert, r_center);
BKE_mesh_calc_poly_normal(mp, ml, mvert, r_pnors);
*r_selected = (BM_elem_flag_test(efa, BM_ELEM_SELECT) != 0) ? true : false;
return true;
}
static bool mesh_render_data_edge_vcos_manifold_pnors(
MeshRenderData *rdata, const int edge_index,
float **r_vco1, float **r_vco2, float **r_pnor1, float **r_pnor2, bool *r_is_manifold)
{
BLI_assert(rdata->types & (MR_DATATYPE_VERT | MR_DATATYPE_EDGE | MR_DATATYPE_LOOP | MR_DATATYPE_POLY));
if (rdata->edit_bmesh) {
BMesh *bm = rdata->edit_bmesh->bm;
BMEdge *eed = BM_edge_at_index(bm, edge_index);
if (BM_elem_flag_test(eed, BM_ELEM_HIDDEN)) {
return false;
}
*r_vco1 = eed->v1->co;
*r_vco2 = eed->v2->co;
if (BM_edge_is_manifold(eed)) {
*r_pnor1 = eed->l->f->no;
*r_pnor2 = eed->l->radial_next->f->no;
*r_is_manifold = true;
}
else if (eed->l != NULL) {
*r_pnor1 = eed->l->f->no;
*r_pnor2 = eed->l->f->no;
*r_is_manifold = false;
}
else {
*r_pnor1 = eed->v1->no;
*r_pnor2 = eed->v1->no;
*r_is_manifold = false;
}
}
else {
MVert *mvert = rdata->mvert;
const MEdge *medge = rdata->medge;
EdgeAdjacentPolys *eap = rdata->edges_adjacent_polys;
float (*pnors)[3] = rdata->poly_normals;
if (!eap) {
const MLoop *mloop = rdata->mloop;
const MPoly *mpoly = rdata->mpoly;
const int poly_len = rdata->poly_len;
const bool do_pnors = (poly_len != 0 && pnors == NULL);
eap = rdata->edges_adjacent_polys = MEM_mallocN(sizeof(*eap) * rdata->edge_len, __func__);
for (int i = 0; i < rdata->edge_len; i++) {
eap[i].count = 0;
eap[i].face_index[0] = -1;
eap[i].face_index[1] = -1;
}
if (do_pnors) {
pnors = rdata->poly_normals = MEM_mallocN(sizeof(*pnors) * poly_len, __func__);
}
for (int i = 0; i < poly_len; i++, mpoly++) {
if (do_pnors) {
BKE_mesh_calc_poly_normal(mpoly, mloop + mpoly->loopstart, mvert, pnors[i]);
}
const int loopend = mpoly->loopstart + mpoly->totloop;
for (int j = mpoly->loopstart; j < loopend; j++) {
const int edge_idx = mloop[j].e;
if (eap[edge_idx].count < 2) {
eap[edge_idx].face_index[eap[edge_idx].count] = i;
}
eap[edge_idx].count++;
}
}
}
BLI_assert(eap && (rdata->poly_len == 0 || pnors != NULL));
*r_vco1 = mvert[medge[edge_index].v1].co;
*r_vco2 = mvert[medge[edge_index].v2].co;
if (eap[edge_index].face_index[0] == -1) {
/* Edge has no poly... */
*r_pnor1 = *r_pnor2 = mvert[medge[edge_index].v1].co; /* XXX mvert.no are shorts... :( */
*r_is_manifold = false;
}
else {
*r_pnor1 = pnors[eap[edge_index].face_index[0]];
float nor[3], v1[3], v2[3], r_center[3];
const MPoly *mpoly = rdata->mpoly + eap[edge_index].face_index[0];
const MLoop *mloop = rdata->mloop + mpoly->loopstart;
BKE_mesh_calc_poly_center(mpoly, mloop, mvert, r_center);
sub_v3_v3v3(v1, *r_vco2, *r_vco1);
sub_v3_v3v3(v2, r_center, *r_vco1);
cross_v3_v3v3(nor, v1, v2);
if (dot_v3v3(nor, *r_pnor1) < 0.0) {
SWAP(float *, *r_vco1, *r_vco2);
}
if (eap[edge_index].count == 2) {
BLI_assert(eap[edge_index].face_index[1] >= 0);
*r_pnor2 = pnors[eap[edge_index].face_index[1]];
*r_is_manifold = true;
}
else {
*r_pnor2 = pnors[eap[edge_index].face_index[0]];
*r_is_manifold = false;
}
}
}
return true;
}
static uchar mesh_render_data_looptri_flag(MeshRenderData *rdata, const BMFace *efa)
{
uchar fflag = 0;
if (efa == rdata->efa_act)
fflag |= VFLAG_FACE_ACTIVE;
if (BM_elem_flag_test(efa, BM_ELEM_SELECT))
fflag |= VFLAG_FACE_SELECTED;
#ifdef WITH_FREESTYLE
if (rdata->cd.offset.freestyle_face != -1) {
const FreestyleFace *ffa = BM_ELEM_CD_GET_VOID_P(efa, rdata->cd.offset.freestyle_face);
if (ffa->flag & FREESTYLE_FACE_MARK) {
fflag |= VFLAG_FACE_FREESTYLE;
}
}
#endif
return fflag;
}
static void mesh_render_data_edge_flag(
const MeshRenderData *rdata, const BMEdge *eed,
EdgeDrawAttr *eattr)
{
eattr->e_flag |= VFLAG_EDGE_EXISTS;
if (eed == rdata->eed_act)
eattr->e_flag |= VFLAG_EDGE_ACTIVE;
if (BM_elem_flag_test(eed, BM_ELEM_SELECT))
eattr->e_flag |= VFLAG_EDGE_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 a byte for value range */
if (rdata->cd.offset.crease != -1) {
float crease = BM_ELEM_CD_GET_FLOAT(eed, rdata->cd.offset.crease);
if (crease > 0) {
eattr->crease = (uchar)(crease * 255.0f);
}
}
/* Use a byte for value range */
if (rdata->cd.offset.bweight != -1) {
float bweight = BM_ELEM_CD_GET_FLOAT(eed, rdata->cd.offset.bweight);
if (bweight > 0) {
eattr->bweight = (uchar)(bweight * 255.0f);
}
}
#ifdef WITH_FREESTYLE
if (rdata->cd.offset.freestyle_edge != -1) {
const FreestyleEdge *fed = BM_ELEM_CD_GET_VOID_P(eed, rdata->cd.offset.freestyle_edge);
if (fed->flag & FREESTYLE_EDGE_MARK) {
eattr->e_flag |= VFLAG_EDGE_FREESTYLE;
}
}
#endif
}
static uchar mesh_render_data_vertex_flag(MeshRenderData *rdata, const BMVert *eve)
{
uchar vflag = VFLAG_VERTEX_EXISTS;
/* Current vertex */
if (eve == rdata->eve_act)
vflag |= VFLAG_VERTEX_ACTIVE;
if (BM_elem_flag_test(eve, BM_ELEM_SELECT))
vflag |= VFLAG_VERTEX_SELECTED;
return vflag;
}
static void add_overlay_tri(
MeshRenderData *rdata, GPUVertBuf *vbo_pos, GPUVertBuf *vbo_nor, GPUVertBuf *vbo_data, GPUIndexBufBuilder *elb,
const uint pos_id, const uint vnor_id, const uint lnor_id, const uint data_id,
const BMLoop **bm_looptri, const int base_vert_idx)
{
uchar fflag;
uchar vflag;
for (int i = 0; i < 3; ++i) {
if (!BM_elem_flag_test(bm_looptri[i]->v, BM_ELEM_TAG)) {
BM_elem_flag_enable(bm_looptri[i]->v, BM_ELEM_TAG);
GPU_indexbuf_add_generic_vert(elb, base_vert_idx + i);
}
}
if (vbo_pos) {
/* TODO(sybren): deduplicate this and all the other places it's pasted to in this file. */
if (rdata->edit_data && rdata->edit_data->vertexCos) {
for (uint i = 0; i < 3; i++) {
int vidx = BM_elem_index_get(bm_looptri[i]->v);
const float *pos = rdata->edit_data->vertexCos[vidx];
GPU_vertbuf_attr_set(vbo_pos, pos_id, base_vert_idx + i, pos);
}
}
else {
for (uint i = 0; i < 3; i++) {
const float *pos = bm_looptri[i]->v->co;
GPU_vertbuf_attr_set(vbo_pos, pos_id, base_vert_idx + i, pos);
}
}
}
if (vbo_nor) {
float (*lnors)[3] = rdata->loop_normals;
for (uint i = 0; i < 3; i++) {
const float *nor = (lnors) ? lnors[BM_elem_index_get(bm_looptri[i])] : bm_looptri[0]->f->no;
GPUPackedNormal lnor = GPU_normal_convert_i10_v3(nor);
GPU_vertbuf_attr_set(vbo_nor, lnor_id, base_vert_idx + i, &lnor);
GPUPackedNormal vnor = GPU_normal_convert_i10_v3(bm_looptri[i]->v->no);
GPU_vertbuf_attr_set(vbo_nor, vnor_id, base_vert_idx + i, &vnor);
}
}
if (vbo_data) {
fflag = mesh_render_data_looptri_flag(rdata, bm_looptri[0]->f);
for (uint i = 0; i < 3; i++) {
const int i_next = (i + 1) % 3;
const int i_prev = (i + 2) % 3;
vflag = mesh_render_data_vertex_flag(rdata, bm_looptri[i]->v);
/* Opposite edge to the vertex at 'i'. */
EdgeDrawAttr eattr = {0};
const bool is_edge_real = (bm_looptri[i_next] == bm_looptri[i_prev]->prev);
if (is_edge_real) {
mesh_render_data_edge_flag(rdata, bm_looptri[i_next]->e, &eattr);
}
eattr.v_flag = fflag | vflag;
GPU_vertbuf_attr_set(vbo_data, data_id, base_vert_idx + i, &eattr);
}
}
}
static void add_overlay_tri_mapped(
MeshRenderData *rdata, GPUVertBuf *vbo_pos, GPUVertBuf *vbo_nor, GPUVertBuf *vbo_data, GPUIndexBufBuilder *elb,
const uint pos_id, const uint vnor_id, const uint lnor_id, const uint data_id,
BMFace *efa, const MLoopTri *mlt, const float poly_normal[3], const float (*loop_normals)[3], const int base_vert_idx)
{
BMEditMesh *embm = rdata->edit_bmesh;
BMesh *bm = embm->bm;
Mesh *me_cage = embm->mesh_eval_cage;
const MVert *mvert = me_cage->mvert;
const MEdge *medge = me_cage->medge;
const MLoop *mloop = me_cage->mloop;
#if 0
const MPoly *mpoly = me_cage->mpoly;
#endif
const int *v_origindex = rdata->mapped.v_origindex;
const int *e_origindex = rdata->mapped.e_origindex;
#if 0
const int *l_origindex = rdata->mapped.l_origindex;
const int *p_origindex = rdata->mapped.p_origindex;
#endif
uchar fflag;
uchar vflag;
if (elb) {
for (int i = 0; i < 3; ++i) {
const int v_orig = v_origindex[mloop[mlt->tri[i]].v];
if (v_orig == ORIGINDEX_NONE) {
continue;
}
BMVert *v = BM_vert_at_index(bm, v_orig);
if (!BM_elem_flag_test(v, BM_ELEM_TAG)) {
BM_elem_flag_enable(v, BM_ELEM_TAG);
GPU_indexbuf_add_generic_vert(elb, base_vert_idx + i);
}
}
}
if (vbo_pos) {
for (uint i = 0; i < 3; i++) {
const float *pos = mvert[mloop[mlt->tri[i]].v].co;
GPU_vertbuf_attr_set(vbo_pos, pos_id, base_vert_idx + i, pos);
}
}
if (vbo_nor) {
for (uint i = 0; i < 3; i++) {
const float *nor = loop_normals ? loop_normals[mlt->tri[i]] : poly_normal;
GPUPackedNormal lnor = GPU_normal_convert_i10_v3(nor);
GPU_vertbuf_attr_set(vbo_nor, lnor_id, base_vert_idx + i, &lnor);
GPUPackedNormal vnor = GPU_normal_convert_i10_s3(mvert[mloop[mlt->tri[i]].v].no);
GPU_vertbuf_attr_set(vbo_nor, vnor_id, base_vert_idx + i, &vnor);
}
}
if (vbo_data) {
fflag = mesh_render_data_looptri_flag(rdata, efa);
for (uint i = 0; i < 3; i++) {
const int i_next = (i + 1) % 3;
const int i_prev = (i + 2) % 3;
const int v_orig = v_origindex[mloop[mlt->tri[i]].v];
if (v_orig != ORIGINDEX_NONE) {
BMVert *v = BM_vert_at_index(bm, v_orig);
vflag = mesh_render_data_vertex_flag(rdata, v);
}
else {
/* Importantly VFLAG_VERTEX_EXISTS is not set. */
vflag = 0;
}
/* Opposite edge to the vertex at 'i'. */
EdgeDrawAttr eattr = {0};
const int e_idx = mloop[mlt->tri[i_next]].e;
const int e_orig = e_origindex[e_idx];
if (e_orig != ORIGINDEX_NONE) {
const MEdge *ed = &medge[e_idx];
const uint tri_edge[2] = {mloop[mlt->tri[i_prev]].v, mloop[mlt->tri[i_next]].v};
const bool is_edge_real = (
((ed->v1 == tri_edge[0]) && (ed->v2 == tri_edge[1])) ||
((ed->v1 == tri_edge[1]) && (ed->v2 == tri_edge[0])));
if (is_edge_real) {
BMEdge *eed = BM_edge_at_index(bm, e_orig);
mesh_render_data_edge_flag(rdata, eed, &eattr);
}
}
eattr.v_flag = fflag | vflag;
GPU_vertbuf_attr_set(vbo_data, data_id, base_vert_idx + i, &eattr);
}
}
}
static void add_overlay_loose_edge(
MeshRenderData *rdata, GPUVertBuf *vbo_pos, GPUVertBuf *vbo_nor, GPUVertBuf *vbo_data,
const uint pos_id, const uint vnor_id, const uint data_id,
const BMEdge *eed, const int base_vert_idx)
{
if (vbo_pos) {
/* TODO(sybren): deduplicate this and all the other places it's pasted to in this file. */
if (rdata->edit_data && rdata->edit_data->vertexCos) {
for (uint i = 0; i < 2; i++) {
int vidx = BM_elem_index_get((&eed->v1)[i]);
const float *pos = rdata->edit_data->vertexCos[vidx];
GPU_vertbuf_attr_set(vbo_pos, pos_id, base_vert_idx + i, pos);
}
}
else {
for (int i = 0; i < 2; i++) {
const float *pos = (&eed->v1)[i]->co;
GPU_vertbuf_attr_set(vbo_pos, pos_id, base_vert_idx + i, pos);
}
}
}
if (vbo_nor) {
for (int i = 0; i < 2; i++) {
GPUPackedNormal vnor = GPU_normal_convert_i10_v3((&eed->v1)[i]->no);
GPU_vertbuf_attr_set(vbo_nor, vnor_id, base_vert_idx + i, &vnor);
}
}
if (vbo_data) {
EdgeDrawAttr eattr = {0};
mesh_render_data_edge_flag(rdata, eed, &eattr);
for (int i = 0; i < 2; i++) {
eattr.v_flag = mesh_render_data_vertex_flag(rdata, (&eed->v1)[i]);
GPU_vertbuf_attr_set(vbo_data, data_id, base_vert_idx + i, &eattr);
}
}
}
static void add_overlay_loose_edge_mapped(
MeshRenderData *rdata, GPUVertBuf *vbo_pos, GPUVertBuf *vbo_nor, GPUVertBuf *vbo_data,
const uint pos_id, const uint vnor_id, const uint data_id,
BMEdge *eed, const MVert *mvert, const MEdge *ed, const int base_vert_idx)
{
if (vbo_pos) {
/* TODO(sybren): deduplicate this and all the other places it's pasted to in this file. */
for (int i = 0; i < 2; i++) {
const float *pos = mvert[*(&ed->v1 + i)].co;
GPU_vertbuf_attr_set(vbo_pos, pos_id, base_vert_idx + i, pos);
}
}
if (vbo_nor) {
for (int i = 0; i < 2; i++) {
GPUPackedNormal vnor = GPU_normal_convert_i10_s3(mvert[*(&ed->v1 + i)].no);
GPU_vertbuf_attr_set(vbo_nor, vnor_id, base_vert_idx + i, &vnor);
}
}
if (vbo_data) {
EdgeDrawAttr eattr = {0};
mesh_render_data_edge_flag(rdata, eed, &eattr);
for (int i = 0; i < 2; i++) {
const int v_orig = rdata->mapped.v_origindex[*(&ed->v1 + i)];
eattr.v_flag = (v_orig != ORIGINDEX_NONE) ? mesh_render_data_vertex_flag(rdata, (&eed->v1)[i]) : 0;
GPU_vertbuf_attr_set(vbo_data, data_id, base_vert_idx + i, &eattr);
}
}
}
static void add_overlay_loose_vert(
MeshRenderData *rdata, GPUVertBuf *vbo_pos, GPUVertBuf *vbo_nor, GPUVertBuf *vbo_data,
const uint pos_id, const uint vnor_id, const uint data_id,
const BMVert *eve, const int base_vert_idx)
{
if (vbo_pos) {
/* TODO(sybren): deduplicate this and all the other places it's pasted to in this file. */
if (rdata->edit_data && rdata->edit_data->vertexCos) {
int vidx = BM_elem_index_get(eve);
const float *pos = rdata->edit_data->vertexCos[vidx];
GPU_vertbuf_attr_set(vbo_pos, pos_id, base_vert_idx, pos);
}
else {
const float *pos = eve->co;
GPU_vertbuf_attr_set(vbo_pos, pos_id, base_vert_idx, pos);
}
}
if (vbo_nor) {
GPUPackedNormal vnor = GPU_normal_convert_i10_v3(eve->no);
GPU_vertbuf_attr_set(vbo_nor, vnor_id, base_vert_idx, &vnor);
}
if (vbo_data) {
uchar vflag[4] = {0, 0, 0, 0};
vflag[0] = mesh_render_data_vertex_flag(rdata, eve);
GPU_vertbuf_attr_set(vbo_data, data_id, base_vert_idx, vflag);
}
}
static void add_overlay_loose_vert_mapped(
MeshRenderData *rdata, GPUVertBuf *vbo_pos, GPUVertBuf *vbo_nor, GPUVertBuf *vbo_data,
const uint pos_id, const uint vnor_id, const uint data_id,
const BMVert *eve, const MVert *mv, const int base_vert_idx)
{
if (vbo_pos) {
const float *pos = mv->co;
GPU_vertbuf_attr_set(vbo_pos, pos_id, base_vert_idx, pos);
}
if (vbo_nor) {
GPUPackedNormal vnor = GPU_normal_convert_i10_s3(mv->no);
GPU_vertbuf_attr_set(vbo_nor, vnor_id, base_vert_idx, &vnor);
}
if (vbo_data) {
uchar vflag[4] = {0, 0, 0, 0};
vflag[0] = mesh_render_data_vertex_flag(rdata, eve);
GPU_vertbuf_attr_set(vbo_data, data_id, base_vert_idx, vflag);
}
}
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Vertex Group Selection
* \{ */
/** Reset the selection structure, deallocating heap memory as appropriate. */
void DRW_mesh_weight_state_clear(struct DRW_MeshWeightState *wstate)
{
MEM_SAFE_FREE(wstate->defgroup_sel);
memset(wstate, 0, sizeof(*wstate));
wstate->defgroup_active = -1;
}
/** Copy selection data from one structure to another, including heap memory. */
void DRW_mesh_weight_state_copy(struct DRW_MeshWeightState *wstate_dst, const struct DRW_MeshWeightState *wstate_src)
{
MEM_SAFE_FREE(wstate_dst->defgroup_sel);
memcpy(wstate_dst, wstate_src, sizeof(*wstate_dst));
if (wstate_src->defgroup_sel) {
wstate_dst->defgroup_sel = MEM_dupallocN(wstate_src->defgroup_sel);
}
}
/** Compare two selection structures. */
bool DRW_mesh_weight_state_compare(const struct DRW_MeshWeightState *a, const struct DRW_MeshWeightState *b)
{
return a->defgroup_active == b->defgroup_active &&
a->defgroup_len == b->defgroup_len &&
a->flags == b->flags &&
a->alert_mode == b->alert_mode &&
a->defgroup_sel_count == b->defgroup_sel_count &&
((!a->defgroup_sel && !b->defgroup_sel) ||
(a->defgroup_sel && b->defgroup_sel &&
memcmp(a->defgroup_sel, b->defgroup_sel, a->defgroup_len * sizeof(bool)) == 0));
}
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Mesh GPUBatch Cache
* \{ */
typedef struct MeshBatchCache {
GPUVertBuf *pos_in_order;
GPUIndexBuf *edges_in_order;
GPUIndexBuf *edges_adjacency; /* Store edges with adjacent vertices. */
GPUIndexBuf *triangles_in_order;
GPUIndexBuf *ledges_in_order;
GPUTexture *pos_in_order_tx; /* Depending on pos_in_order */
GPUBatch *all_verts;
GPUBatch *all_edges;
GPUBatch *all_triangles;
GPUVertBuf *pos_with_normals;
GPUVertBuf *pos_with_normals_visible_only;
GPUVertBuf *tri_aligned_uv; /* Active UV layer (mloopuv) */
/**
* Other uses are all positions or loose elements.
* This stores all visible elements, needed for selection.
*/
GPUVertBuf *ed_fcenter_pos_with_nor_and_sel;
GPUVertBuf *ed_edge_pos;
GPUVertBuf *ed_vert_pos;
GPUBatch *triangles_with_normals;
GPUBatch *ledges_with_normals;
/* Skip hidden (depending on paint select mode) */
GPUBatch *triangles_with_weights;
GPUBatch *triangles_with_vert_colors;
/* Always skip hidden */
GPUBatch *triangles_with_select_mask;
GPUBatch *triangles_with_select_id;
uint triangles_with_select_id_offset;
GPUBatch *facedot_with_select_id; /* shares vbo with 'overlay_facedots' */
GPUBatch *edges_with_select_id;
GPUBatch *verts_with_select_id;
uint facedot_with_select_id_offset;
uint edges_with_select_id_offset;
uint verts_with_select_id_offset;
GPUBatch *points_with_normals;
GPUBatch *fancy_edges; /* owns its vertex buffer (not shared) */
GPUBatch *edge_detection;
GPUVertBuf *edges_face_overlay;
GPUTexture *edges_face_overlay_tx;
int edges_face_overlay_tri_count; /* Number of tri in edges_face_overlay(_adj)_tx */
int edges_face_overlay_tri_count_low; /* Number of tri that are sure to produce edges. */
bool edges_face_reduce_len; /* Has the edges_face_overlay vertbuf has been sorted. */
/* Maybe have shaded_triangles_data split into pos_nor and uv_tangent
* to minimize data transfer for skinned mesh. */
GPUVertFormat shaded_triangles_format;
GPUVertBuf *shaded_triangles_data;
GPUIndexBuf **shaded_triangles_in_order;
GPUBatch **shaded_triangles;
/* Texture Paint.*/
/* per-texture batch */
GPUBatch **texpaint_triangles;
GPUBatch *texpaint_triangles_single;
/* Edit Cage Mesh buffers */
GPUVertBuf *ed_tri_pos;
GPUVertBuf *ed_tri_nor; /* LoopNor, VertNor */
GPUVertBuf *ed_tri_data;
GPUTexture *ed_tri_data_tx;
GPUIndexBuf *ed_tri_verts;
GPUVertBuf *ed_ledge_pos;
GPUVertBuf *ed_ledge_nor; /* VertNor */
GPUVertBuf *ed_ledge_data;
GPUVertBuf *ed_lvert_pos;
GPUVertBuf *ed_lvert_nor; /* VertNor */
GPUVertBuf *ed_lvert_data;
GPUBatch *overlay_triangles;
GPUBatch *overlay_triangles_nor; /* GPU_PRIM_POINTS */
GPUBatch *overlay_triangles_lnor; /* GPU_PRIM_POINTS */
GPUBatch *overlay_loose_edges;
GPUBatch *overlay_loose_edges_nor; /* GPU_PRIM_POINTS */
GPUBatch *overlay_loose_verts;
GPUBatch *overlay_facedots;
GPUBatch *overlay_weight_faces;
GPUBatch *overlay_weight_verts;
GPUBatch *overlay_paint_edges;
/* 2D/UV edit */
GPUVertBuf *edituv_pos;
GPUVertBuf *edituv_area;
GPUVertBuf *edituv_angle;
GPUVertBuf *edituv_data;
GPUIndexBuf *edituv_visible_faces;
GPUIndexBuf *edituv_visible_edges;
GPUBatch *texpaint_uv_loops;
GPUBatch *edituv_faces_strech_area;
GPUBatch *edituv_faces_strech_angle;
GPUBatch *edituv_faces;
GPUBatch *edituv_edges;
GPUBatch *edituv_verts;
GPUBatch *edituv_facedots;
char edituv_state;
/* arrays of bool uniform names (and value) that will be use to
* set srgb conversion for auto attribs.*/
char *auto_layer_names;
int *auto_layer_is_srgb;
int auto_layer_len;
/* settings to determine if cache is invalid */
bool is_maybe_dirty;
bool is_dirty; /* Instantly invalidates cache, skipping mesh check */
int edge_len;
int tri_len;
int poly_len;
int vert_len;
int mat_len;
bool is_editmode;
struct DRW_MeshWeightState weight_state;
/* XXX, only keep for as long as sculpt mode uses shaded drawing. */
bool is_sculpt_points_tag;
/* Valid only if edges_adjacency is up to date. */
bool is_manifold;
} MeshBatchCache;
/* GPUBatch cache management. */
static bool mesh_batch_cache_valid(Mesh *me)
{
MeshBatchCache *cache = me->runtime.batch_cache;
if (cache == NULL) {
return false;
}
/* XXX find another place for this */
if (cache->mat_len != mesh_render_mat_len_get(me)) {
cache->is_maybe_dirty = true;
}
if (cache->is_editmode != (me->edit_btmesh != NULL)) {
return false;
}
if (cache->is_dirty) {
return false;
}
if (cache->is_maybe_dirty == false) {
return true;
}
else {
if (cache->is_editmode) {
return false;
}
else if ((cache->vert_len != mesh_render_verts_len_get(me)) ||
(cache->edge_len != mesh_render_edges_len_get(me)) ||
(cache->tri_len != mesh_render_looptri_len_get(me)) ||
(cache->poly_len != mesh_render_polys_len_get(me)) ||
(cache->mat_len != mesh_render_mat_len_get(me)))
{
return false;
}
}
return true;
}
static void mesh_batch_cache_init(Mesh *me)
{
MeshBatchCache *cache = me->runtime.batch_cache;
if (!cache) {
cache = me->runtime.batch_cache = MEM_callocN(sizeof(*cache), __func__);
}
else {
memset(cache, 0, sizeof(*cache));
}
cache->is_editmode = me->edit_btmesh != NULL;
if (cache->is_editmode == false) {
cache->edge_len = mesh_render_edges_len_get(me);
cache->tri_len = mesh_render_looptri_len_get(me);
cache->poly_len = mesh_render_polys_len_get(me);
cache->vert_len = mesh_render_verts_len_get(me);
}
cache->mat_len = mesh_render_mat_len_get(me);
cache->is_maybe_dirty = false;
cache->is_dirty = false;
DRW_mesh_weight_state_clear(&cache->weight_state);
}
static MeshBatchCache *mesh_batch_cache_get(Mesh *me)
{
if (!mesh_batch_cache_valid(me)) {
mesh_batch_cache_clear(me);
mesh_batch_cache_init(me);
}
return me->runtime.batch_cache;
}
static void mesh_batch_cache_check_vertex_group(MeshBatchCache *cache, const struct DRW_MeshWeightState *wstate)
{
if (!DRW_mesh_weight_state_compare(&cache->weight_state, wstate)) {
GPU_BATCH_DISCARD_SAFE(cache->triangles_with_weights);
DRW_mesh_weight_state_clear(&cache->weight_state);
}
}
static void mesh_batch_cache_discard_shaded_tri(MeshBatchCache *cache)
{
GPU_VERTBUF_DISCARD_SAFE(cache->shaded_triangles_data);
if (cache->shaded_triangles_in_order) {
for (int i = 0; i < cache->mat_len; i++) {
GPU_INDEXBUF_DISCARD_SAFE(cache->shaded_triangles_in_order[i]);
}
}
if (cache->shaded_triangles) {
for (int i = 0; i < cache->mat_len; i++) {
GPU_BATCH_DISCARD_SAFE(cache->shaded_triangles[i]);
}
}
if (cache->texpaint_triangles) {
for (int i = 0; i < cache->mat_len; i++) {
/* They use shaded_triangles_in_order */
GPU_BATCH_DISCARD_SAFE(cache->texpaint_triangles[i]);
}
}
MEM_SAFE_FREE(cache->shaded_triangles_in_order);
MEM_SAFE_FREE(cache->shaded_triangles);
MEM_SAFE_FREE(cache->texpaint_triangles);
MEM_SAFE_FREE(cache->auto_layer_names);
MEM_SAFE_FREE(cache->auto_layer_is_srgb);
}
static void mesh_batch_cache_discard_uvedit(MeshBatchCache *cache)
{
GPU_VERTBUF_DISCARD_SAFE(cache->edituv_pos);
GPU_VERTBUF_DISCARD_SAFE(cache->edituv_area);
GPU_VERTBUF_DISCARD_SAFE(cache->edituv_angle);
GPU_VERTBUF_DISCARD_SAFE(cache->edituv_data);
GPU_INDEXBUF_DISCARD_SAFE(cache->edituv_visible_faces);
GPU_INDEXBUF_DISCARD_SAFE(cache->edituv_visible_edges);
if (cache->edituv_faces_strech_area) {
gpu_batch_presets_unregister(cache->edituv_faces_strech_area);
}
if (cache->edituv_faces_strech_angle) {
gpu_batch_presets_unregister(cache->edituv_faces_strech_angle);
}
if (cache->edituv_faces) {
gpu_batch_presets_unregister(cache->edituv_faces);
}
if (cache->edituv_edges) {
gpu_batch_presets_unregister(cache->edituv_edges);
}
if (cache->edituv_verts) {
gpu_batch_presets_unregister(cache->edituv_verts);
}
if (cache->edituv_facedots) {
gpu_batch_presets_unregister(cache->edituv_facedots);
}
GPU_BATCH_DISCARD_SAFE(cache->edituv_faces_strech_area);
GPU_BATCH_DISCARD_SAFE(cache->edituv_faces_strech_angle);
GPU_BATCH_DISCARD_SAFE(cache->edituv_faces);
GPU_BATCH_DISCARD_SAFE(cache->edituv_edges);
GPU_BATCH_DISCARD_SAFE(cache->edituv_verts);
GPU_BATCH_DISCARD_SAFE(cache->edituv_facedots);
gpu_batch_presets_unregister(cache->texpaint_uv_loops);
GPU_BATCH_DISCARD_SAFE(cache->texpaint_uv_loops);
cache->edituv_state = 0;
}
void DRW_mesh_batch_cache_dirty_tag(Mesh *me, int mode)
{
MeshBatchCache *cache = me->runtime.batch_cache;
if (cache == NULL) {
return;
}
switch (mode) {
case BKE_MESH_BATCH_DIRTY_MAYBE_ALL:
cache->is_maybe_dirty = true;
break;
case BKE_MESH_BATCH_DIRTY_SELECT:
GPU_VERTBUF_DISCARD_SAFE(cache->ed_tri_data);
GPU_VERTBUF_DISCARD_SAFE(cache->ed_ledge_data);
GPU_VERTBUF_DISCARD_SAFE(cache->ed_lvert_data);
GPU_VERTBUF_DISCARD_SAFE(cache->ed_fcenter_pos_with_nor_and_sel); /* Contains select flag */
GPU_VERTBUF_DISCARD_SAFE(cache->ed_edge_pos);
GPU_VERTBUF_DISCARD_SAFE(cache->ed_vert_pos);
GPU_INDEXBUF_DISCARD_SAFE(cache->ed_tri_verts);
DRW_TEXTURE_FREE_SAFE(cache->ed_tri_data_tx);
GPU_BATCH_DISCARD_SAFE(cache->overlay_triangles);
GPU_BATCH_DISCARD_SAFE(cache->overlay_loose_verts);
GPU_BATCH_DISCARD_SAFE(cache->overlay_loose_edges);
GPU_BATCH_DISCARD_SAFE(cache->overlay_facedots);
GPU_BATCH_DISCARD_SAFE(cache->overlay_triangles_nor);
GPU_BATCH_DISCARD_SAFE(cache->overlay_triangles_lnor);
GPU_BATCH_DISCARD_SAFE(cache->overlay_loose_edges_nor);
/* Edit mode selection. */
GPU_BATCH_DISCARD_SAFE(cache->facedot_with_select_id);
GPU_BATCH_DISCARD_SAFE(cache->edges_with_select_id);
GPU_BATCH_DISCARD_SAFE(cache->verts_with_select_id);
/* Paint mode selection */
GPU_BATCH_DISCARD_SAFE(cache->overlay_paint_edges);
GPU_BATCH_DISCARD_SAFE(cache->overlay_weight_faces);
GPU_BATCH_DISCARD_SAFE(cache->overlay_weight_verts);
/* Because visible UVs depends on edit mode selection, discard everything. */
mesh_batch_cache_discard_uvedit(cache);
break;
case BKE_MESH_BATCH_DIRTY_ALL:
cache->is_dirty = true;
break;
case BKE_MESH_BATCH_DIRTY_SHADING:
mesh_batch_cache_discard_shaded_tri(cache);
mesh_batch_cache_discard_uvedit(cache);
break;
case BKE_MESH_BATCH_DIRTY_SCULPT_COORDS:
cache->is_sculpt_points_tag = true;
break;
case BKE_MESH_BATCH_DIRTY_UVEDIT_ALL:
mesh_batch_cache_discard_uvedit(cache);
break;
case BKE_MESH_BATCH_DIRTY_UVEDIT_SELECT:
/* For now same as above. */
mesh_batch_cache_discard_uvedit(cache);
break;
default:
BLI_assert(0);
}
}
/**
* This only clear the batches associated to the given vertex buffer.
**/
static void mesh_batch_cache_clear_selective(Mesh *me, GPUVertBuf *vert)
{
MeshBatchCache *cache = me->runtime.batch_cache;
if (!cache) {
return;
}
BLI_assert(vert != NULL);
if (ELEM(vert, cache->pos_with_normals, cache->pos_with_normals_visible_only)) {
GPU_BATCH_DISCARD_SAFE(cache->triangles_with_normals);
GPU_BATCH_DISCARD_SAFE(cache->triangles_with_weights);
GPU_BATCH_DISCARD_SAFE(cache->triangles_with_vert_colors);
GPU_BATCH_DISCARD_SAFE(cache->triangles_with_select_id);
GPU_BATCH_DISCARD_SAFE(cache->triangles_with_select_mask);
GPU_BATCH_DISCARD_SAFE(cache->points_with_normals);
GPU_BATCH_DISCARD_SAFE(cache->ledges_with_normals);
if (cache->shaded_triangles) {
for (int i = 0; i < cache->mat_len; i++) {
GPU_BATCH_DISCARD_SAFE(cache->shaded_triangles[i]);
}
}
MEM_SAFE_FREE(cache->shaded_triangles);
if (cache->texpaint_triangles) {
for (int i = 0; i < cache->mat_len; i++) {
GPU_BATCH_DISCARD_SAFE(cache->texpaint_triangles[i]);
}
}
MEM_SAFE_FREE(cache->texpaint_triangles);
GPU_BATCH_DISCARD_SAFE(cache->texpaint_triangles_single);
}
/* TODO: add the other ones if needed. */
else {
/* Does not match any vertbuf in the batch cache! */
BLI_assert(0);
}
}
static void mesh_batch_cache_clear(Mesh *me)
{
MeshBatchCache *cache = me->runtime.batch_cache;
if (!cache) {
return;
}
GPU_BATCH_DISCARD_SAFE(cache->all_verts);
GPU_BATCH_DISCARD_SAFE(cache->all_edges);
GPU_BATCH_DISCARD_SAFE(cache->all_triangles);
GPU_VERTBUF_DISCARD_SAFE(cache->pos_in_order);
DRW_TEXTURE_FREE_SAFE(cache->pos_in_order_tx);
GPU_INDEXBUF_DISCARD_SAFE(cache->edges_in_order);
GPU_INDEXBUF_DISCARD_SAFE(cache->triangles_in_order);
GPU_INDEXBUF_DISCARD_SAFE(cache->ledges_in_order);
GPU_VERTBUF_DISCARD_SAFE(cache->ed_tri_pos);
GPU_VERTBUF_DISCARD_SAFE(cache->ed_tri_nor);
GPU_VERTBUF_DISCARD_SAFE(cache->ed_tri_data);
GPU_VERTBUF_DISCARD_SAFE(cache->ed_ledge_pos);
GPU_VERTBUF_DISCARD_SAFE(cache->ed_ledge_nor);
GPU_VERTBUF_DISCARD_SAFE(cache->ed_ledge_data);
GPU_VERTBUF_DISCARD_SAFE(cache->ed_lvert_pos);
GPU_VERTBUF_DISCARD_SAFE(cache->ed_lvert_nor);
GPU_VERTBUF_DISCARD_SAFE(cache->ed_lvert_data);
GPU_INDEXBUF_DISCARD_SAFE(cache->ed_tri_verts);
GPU_BATCH_DISCARD_SAFE(cache->overlay_triangles);
GPU_BATCH_DISCARD_SAFE(cache->overlay_triangles_nor);
GPU_BATCH_DISCARD_SAFE(cache->overlay_triangles_lnor);
GPU_BATCH_DISCARD_SAFE(cache->overlay_loose_verts);
GPU_BATCH_DISCARD_SAFE(cache->overlay_loose_edges);
GPU_BATCH_DISCARD_SAFE(cache->overlay_loose_edges_nor);
DRW_TEXTURE_FREE_SAFE(cache->ed_tri_data_tx);
GPU_BATCH_DISCARD_SAFE(cache->overlay_weight_faces);
GPU_BATCH_DISCARD_SAFE(cache->overlay_weight_verts);
GPU_BATCH_DISCARD_SAFE(cache->overlay_paint_edges);
GPU_BATCH_DISCARD_SAFE(cache->overlay_facedots);
GPU_BATCH_DISCARD_SAFE(cache->triangles_with_normals);
GPU_BATCH_DISCARD_SAFE(cache->points_with_normals);
GPU_BATCH_DISCARD_SAFE(cache->ledges_with_normals);
GPU_VERTBUF_DISCARD_SAFE(cache->pos_with_normals);
GPU_VERTBUF_DISCARD_SAFE(cache->pos_with_normals_visible_only);
GPU_BATCH_DISCARD_SAFE(cache->triangles_with_weights);
GPU_BATCH_DISCARD_SAFE(cache->triangles_with_vert_colors);
GPU_VERTBUF_DISCARD_SAFE(cache->tri_aligned_uv);
GPU_VERTBUF_DISCARD_SAFE(cache->ed_fcenter_pos_with_nor_and_sel);
GPU_VERTBUF_DISCARD_SAFE(cache->ed_edge_pos);
GPU_VERTBUF_DISCARD_SAFE(cache->ed_vert_pos);
GPU_BATCH_DISCARD_SAFE(cache->triangles_with_select_mask);
GPU_BATCH_DISCARD_SAFE(cache->triangles_with_select_id);
GPU_BATCH_DISCARD_SAFE(cache->facedot_with_select_id);
GPU_BATCH_DISCARD_SAFE(cache->edges_with_select_id);
GPU_BATCH_DISCARD_SAFE(cache->verts_with_select_id);
GPU_BATCH_DISCARD_SAFE(cache->fancy_edges);
GPU_INDEXBUF_DISCARD_SAFE(cache->edges_adjacency);
GPU_BATCH_DISCARD_SAFE(cache->edge_detection);
GPU_VERTBUF_DISCARD_SAFE(cache->edges_face_overlay);
DRW_TEXTURE_FREE_SAFE(cache->edges_face_overlay_tx);
mesh_batch_cache_discard_shaded_tri(cache);
mesh_batch_cache_discard_uvedit(cache);
if (cache->texpaint_triangles) {
for (int i = 0; i < cache->mat_len; i++) {
GPU_BATCH_DISCARD_SAFE(cache->texpaint_triangles[i]);
}
}
MEM_SAFE_FREE(cache->texpaint_triangles);
GPU_BATCH_DISCARD_SAFE(cache->texpaint_triangles_single);
DRW_mesh_weight_state_clear(&cache->weight_state);
}
void DRW_mesh_batch_cache_free(Mesh *me)
{
mesh_batch_cache_clear(me);
MEM_SAFE_FREE(me->runtime.batch_cache);
}
/* GPUBatch cache usage. */
static GPUVertBuf *mesh_batch_cache_get_tri_shading_data(MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & (MR_DATATYPE_VERT | MR_DATATYPE_LOOPTRI | MR_DATATYPE_LOOP | MR_DATATYPE_POLY));
if (cache->shaded_triangles_data == NULL) {
const uint uv_len = rdata->cd.layers.uv_len;
const uint tangent_len = rdata->cd.layers.tangent_len;
const uint vcol_len = rdata->cd.layers.vcol_len;
const uint layers_combined_len = uv_len + vcol_len + tangent_len;
cache->auto_layer_len = 0;
if (layers_combined_len == 0) {
return NULL;
}
GPUVertFormat *format = &cache->shaded_triangles_format;
GPU_vertformat_clear(format);
/* initialize vertex format */
uint *layers_combined_id = BLI_array_alloca(layers_combined_id, layers_combined_len);
uint *uv_id = layers_combined_id;
uint *tangent_id = uv_id + uv_len;
uint *vcol_id = tangent_id + tangent_len;
/* Not needed, just for sanity. */
if (uv_len == 0) { uv_id = NULL; }
if (tangent_len == 0) { tangent_id = NULL; }
if (vcol_len == 0) { vcol_id = NULL; }
/* Count number of auto layer and allocate big enough name buffer. */
uint auto_names_len = 0;
uint auto_ofs = 0;
uint auto_id = 0;
for (uint i = 0; i < uv_len; i++) {
const char *attrib_name = mesh_render_data_uv_auto_layer_uuid_get(rdata, i);
auto_names_len += strlen(attrib_name) + 2; /* include null terminator and b prefix. */
cache->auto_layer_len++;
}
for (uint i = 0; i < vcol_len; i++) {
if (rdata->cd.layers.auto_vcol[i]) {
const char *attrib_name = mesh_render_data_vcol_auto_layer_uuid_get(rdata, i);
auto_names_len += strlen(attrib_name) + 2; /* include null terminator and b prefix. */
cache->auto_layer_len++;
}
}
auto_names_len += 1; /* add an ultimate '\0' terminator */
cache->auto_layer_names = MEM_callocN(auto_names_len * sizeof(char), "Auto layer name buf");
cache->auto_layer_is_srgb = MEM_mallocN(cache->auto_layer_len * sizeof(int), "Auto layer value buf");
#define USE_COMP_MESH_DATA
for (uint i = 0; i < uv_len; i++) {
/* UV */
const char *attrib_name = mesh_render_data_uv_layer_uuid_get(rdata, i);
#if defined(USE_COMP_MESH_DATA) && 0 /* these are clamped. Maybe use them as an option in the future */
uv_id[i] = GPU_vertformat_attr_add(format, attrib_name, GPU_COMP_I16, 2, GPU_FETCH_INT_TO_FLOAT_UNIT);
#else
uv_id[i] = GPU_vertformat_attr_add(format, attrib_name, GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
#endif
/* Auto Name */
attrib_name = mesh_render_data_uv_auto_layer_uuid_get(rdata, i);
GPU_vertformat_alias_add(format, attrib_name);
/* +1 include null terminator. */
auto_ofs += 1 + BLI_snprintf_rlen(
cache->auto_layer_names + auto_ofs, auto_names_len - auto_ofs, "b%s", attrib_name);
cache->auto_layer_is_srgb[auto_id++] = 0; /* tag as not srgb */
if (i == rdata->cd.layers.uv_active) {
GPU_vertformat_alias_add(format, "u");
}
}
for (uint i = 0; i < tangent_len; i++) {
const char *attrib_name = mesh_render_data_tangent_layer_uuid_get(rdata, i);
#ifdef USE_COMP_MESH_DATA
/* Tangents need more precision than 10_10_10 */
tangent_id[i] = GPU_vertformat_attr_add(format, attrib_name, GPU_COMP_I16, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);
#else
tangent_id[i] = GPU_vertformat_attr_add(format, attrib_name, GPU_COMP_F32, 4, GPU_FETCH_FLOAT);
#endif
if (i == rdata->cd.layers.tangent_active) {
GPU_vertformat_alias_add(format, "t");
}
}
for (uint i = 0; i < vcol_len; i++) {
const char *attrib_name = mesh_render_data_vcol_layer_uuid_get(rdata, i);
vcol_id[i] = GPU_vertformat_attr_add(format, attrib_name, GPU_COMP_U8, 3, GPU_FETCH_INT_TO_FLOAT_UNIT);
/* Auto layer */
if (rdata->cd.layers.auto_vcol[i]) {
attrib_name = mesh_render_data_vcol_auto_layer_uuid_get(rdata, i);
GPU_vertformat_alias_add(format, attrib_name);
/* +1 include null terminator. */
auto_ofs += 1 + BLI_snprintf_rlen(
cache->auto_layer_names + auto_ofs, auto_names_len - auto_ofs, "b%s", attrib_name);
cache->auto_layer_is_srgb[auto_id++] = 1; /* tag as srgb */
}
if (i == rdata->cd.layers.vcol_active) {
GPU_vertformat_alias_add(format, "c");
}
}
const uint tri_len = mesh_render_data_looptri_len_get(rdata);
GPUVertBuf *vbo = cache->shaded_triangles_data = GPU_vertbuf_create_with_format(format);
const int vbo_len_capacity = tri_len * 3;
int vbo_len_used = 0;
GPU_vertbuf_data_alloc(vbo, vbo_len_capacity);
GPUVertBufRaw *layers_combined_step = BLI_array_alloca(layers_combined_step, layers_combined_len);
GPUVertBufRaw *uv_step = layers_combined_step;
GPUVertBufRaw *tangent_step = uv_step + uv_len;
GPUVertBufRaw *vcol_step = tangent_step + tangent_len;
/* Not needed, just for sanity. */
if (uv_len == 0) { uv_step = NULL; }
if (tangent_len == 0) { tangent_step = NULL; }
if (vcol_len == 0) { vcol_step = NULL; }
for (uint i = 0; i < uv_len; i++) {
GPU_vertbuf_attr_get_raw_data(vbo, uv_id[i], &uv_step[i]);
}
for (uint i = 0; i < tangent_len; i++) {
GPU_vertbuf_attr_get_raw_data(vbo, tangent_id[i], &tangent_step[i]);
}
for (uint i = 0; i < vcol_len; i++) {
GPU_vertbuf_attr_get_raw_data(vbo, vcol_id[i], &vcol_step[i]);
}
/* TODO deduplicate all verts and make use of GPUIndexBuf in
* mesh_batch_cache_get_triangles_in_order_split_by_material. */
if (rdata->edit_bmesh) {
for (uint i = 0; i < tri_len; i++) {
const BMLoop **bm_looptri = (const BMLoop **)rdata->edit_bmesh->looptris[i];
if (BM_elem_flag_test(bm_looptri[0]->f, BM_ELEM_HIDDEN)) {
continue;
}
/* UVs */
for (uint j = 0; j < uv_len; j++) {
const uint layer_offset = rdata->cd.offset.uv[j];
for (uint t = 0; t < 3; t++) {
const float *elem = ((MLoopUV *)BM_ELEM_CD_GET_VOID_P(bm_looptri[t], layer_offset))->uv;
copy_v2_v2(GPU_vertbuf_raw_step(&uv_step[j]), elem);
}
}
/* TANGENTs */
for (uint j = 0; j < tangent_len; j++) {
float (*layer_data)[4] = rdata->cd.layers.tangent[j];
for (uint t = 0; t < 3; t++) {
const float *elem = layer_data[BM_elem_index_get(bm_looptri[t])];
#ifdef USE_COMP_MESH_DATA
normal_float_to_short_v4(GPU_vertbuf_raw_step(&tangent_step[j]), elem);
#else
copy_v4_v4(GPU_vertbuf_raw_step(&tangent_step[j]), elem);
#endif
}
}
/* VCOLs */
for (uint j = 0; j < vcol_len; j++) {
const uint layer_offset = rdata->cd.offset.vcol[j];
for (uint t = 0; t < 3; t++) {
const uchar *elem = &((MLoopCol *)BM_ELEM_CD_GET_VOID_P(bm_looptri[t], layer_offset))->r;
copy_v3_v3_uchar(GPU_vertbuf_raw_step(&vcol_step[j]), elem);
}
}
}
}
else {
for (uint i = 0; i < tri_len; i++) {
const MLoopTri *mlt = &rdata->mlooptri[i];
/* UVs */
for (uint j = 0; j < uv_len; j++) {
const MLoopUV *layer_data = rdata->cd.layers.uv[j];
for (uint t = 0; t < 3; t++) {
const float *elem = layer_data[mlt->tri[t]].uv;
copy_v2_v2(GPU_vertbuf_raw_step(&uv_step[j]), elem);
}
}
/* TANGENTs */
for (uint j = 0; j < tangent_len; j++) {
float (*layer_data)[4] = rdata->cd.layers.tangent[j];
for (uint t = 0; t < 3; t++) {
const float *elem = layer_data[mlt->tri[t]];
#ifdef USE_COMP_MESH_DATA
normal_float_to_short_v4(GPU_vertbuf_raw_step(&tangent_step[j]), elem);
#else
copy_v4_v4(GPU_vertbuf_raw_step(&tangent_step[j]), elem);
#endif
}
}
/* VCOLs */
for (uint j = 0; j < vcol_len; j++) {
const MLoopCol *layer_data = rdata->cd.layers.vcol[j];
for (uint t = 0; t < 3; t++) {
const uchar *elem = &layer_data[mlt->tri[t]].r;
copy_v3_v3_uchar(GPU_vertbuf_raw_step(&vcol_step[j]), elem);
}
}
}
}
vbo_len_used = GPU_vertbuf_raw_used(&layers_combined_step[0]);
#ifndef NDEBUG
/* Check all layers are write aligned. */
if (layers_combined_len > 1) {
for (uint i = 1; i < layers_combined_len; i++) {
BLI_assert(vbo_len_used == GPU_vertbuf_raw_used(&layers_combined_step[i]));
}
}
#endif
if (vbo_len_capacity != vbo_len_used) {
GPU_vertbuf_data_resize(vbo, vbo_len_used);
}
}
#undef USE_COMP_MESH_DATA
return cache->shaded_triangles_data;
}
static GPUVertBuf *mesh_batch_cache_get_tri_uv_active(
MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & (MR_DATATYPE_VERT | MR_DATATYPE_LOOPTRI | MR_DATATYPE_LOOP | MR_DATATYPE_LOOPUV));
if (cache->tri_aligned_uv == NULL) {
const MLoopUV *mloopuv = rdata->mloopuv;
int layer_offset;
BMEditMesh *embm = rdata->edit_bmesh;
/* edit mode */
if (rdata->edit_bmesh) {
BMesh *bm = embm->bm;
layer_offset = CustomData_get_offset(&bm->ldata, CD_MLOOPUV);
if (layer_offset == -1) {
return NULL;
}
}
else if (mloopuv == NULL) {
return NULL;
}
uint vidx = 0;
static GPUVertFormat format = { 0 };
static struct { uint uv; } attr_id;
if (format.attr_len == 0) {
attr_id.uv = GPU_vertformat_attr_add(&format, "uv", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
}
const int tri_len = mesh_render_data_looptri_len_get(rdata);
GPUVertBuf *vbo = cache->tri_aligned_uv = GPU_vertbuf_create_with_format(&format);
const int vbo_len_capacity = tri_len * 3;
int vbo_len_used = 0;
GPU_vertbuf_data_alloc(vbo, vbo_len_capacity);
/* get uv's from active UVMap */
if (rdata->edit_bmesh) {
for (uint i = 0; i < tri_len; i++) {
const BMLoop **bm_looptri = (const BMLoop **)embm->looptris[i];
if (BM_elem_flag_test(bm_looptri[0]->f, BM_ELEM_HIDDEN)) {
continue;
}
for (uint t = 0; t < 3; t++) {
const BMLoop *loop = bm_looptri[t];
const int index = BM_elem_index_get(loop);
if (index != -1) {
const float *elem = ((MLoopUV *)BM_ELEM_CD_GET_VOID_P(loop, layer_offset))->uv;
GPU_vertbuf_attr_set(vbo, attr_id.uv, vidx++, elem);
}
}
}
}
else {
/* object mode */
for (int i = 0; i < tri_len; i++) {
const MLoopTri *mlt = &rdata->mlooptri[i];
GPU_vertbuf_attr_set(vbo, attr_id.uv, vidx++, mloopuv[mlt->tri[0]].uv);
GPU_vertbuf_attr_set(vbo, attr_id.uv, vidx++, mloopuv[mlt->tri[1]].uv);
GPU_vertbuf_attr_set(vbo, attr_id.uv, vidx++, mloopuv[mlt->tri[2]].uv);
}
}
vbo_len_used = vidx;
if (vbo_len_capacity != vbo_len_used) {
GPU_vertbuf_data_resize(vbo, vbo_len_used);
}
UNUSED_VARS_NDEBUG(vbo_len_used);
}
return cache->tri_aligned_uv;
}
static GPUVertBuf *mesh_batch_cache_get_tri_pos_and_normals_ex(
MeshRenderData *rdata, const bool use_hide,
GPUVertBuf **r_vbo)
{
BLI_assert(rdata->types & (MR_DATATYPE_VERT | MR_DATATYPE_LOOPTRI | MR_DATATYPE_LOOP | MR_DATATYPE_POLY));
if (*r_vbo == NULL) {
static GPUVertFormat format = { 0 };
static struct { uint pos, nor; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
attr_id.nor = GPU_vertformat_attr_add(&format, "nor", GPU_COMP_I10, 3, GPU_FETCH_INT_TO_FLOAT_UNIT);
}
const int tri_len = mesh_render_data_looptri_len_get_maybe_mapped(rdata);
GPUVertBuf *vbo = *r_vbo = GPU_vertbuf_create_with_format(&format);
const int vbo_len_capacity = tri_len * 3;
int vbo_len_used = 0;
GPU_vertbuf_data_alloc(vbo, vbo_len_capacity);
GPUVertBufRaw pos_step, nor_step;
GPU_vertbuf_attr_get_raw_data(vbo, attr_id.pos, &pos_step);
GPU_vertbuf_attr_get_raw_data(vbo, attr_id.nor, &nor_step);
if (rdata->mapped.use == false) {
float (*lnors)[3] = rdata->loop_normals;
if (rdata->edit_bmesh) {
GPUPackedNormal *pnors_pack, *vnors_pack;
if (lnors == NULL) {
mesh_render_data_ensure_poly_normals_pack(rdata);
mesh_render_data_ensure_vert_normals_pack(rdata);
pnors_pack = rdata->poly_normals_pack;
vnors_pack = rdata->vert_normals_pack;
}
for (int i = 0; i < tri_len; i++) {
const BMLoop **bm_looptri = (const BMLoop **)rdata->edit_bmesh->looptris[i];
const BMFace *bm_face = bm_looptri[0]->f;
/* use_hide always for edit-mode */
if (BM_elem_flag_test(bm_face, BM_ELEM_HIDDEN)) {
continue;
}
if (lnors) {
for (uint t = 0; t < 3; t++) {
const float *nor = lnors[BM_elem_index_get(bm_looptri[t])];
*((GPUPackedNormal *)GPU_vertbuf_raw_step(&nor_step)) = GPU_normal_convert_i10_v3(nor);
}
}
else if (BM_elem_flag_test(bm_face, BM_ELEM_SMOOTH)) {
for (uint t = 0; t < 3; t++) {
*((GPUPackedNormal *)GPU_vertbuf_raw_step(&nor_step)) = vnors_pack[BM_elem_index_get(bm_looptri[t]->v)];
}
}
else {
const GPUPackedNormal *snor_pack = &pnors_pack[BM_elem_index_get(bm_face)];
for (uint t = 0; t < 3; t++) {
*((GPUPackedNormal *)GPU_vertbuf_raw_step(&nor_step)) = *snor_pack;
}
}
/* TODO(sybren): deduplicate this and all the other places it's pasted to in this file. */
if (rdata->edit_data && rdata->edit_data->vertexCos) {
for (uint t = 0; t < 3; t++) {
int vidx = BM_elem_index_get(bm_looptri[t]->v);
const float *pos = rdata->edit_data->vertexCos[vidx];
copy_v3_v3(GPU_vertbuf_raw_step(&pos_step), pos);
}
}
else {
for (uint t = 0; t < 3; t++) {
copy_v3_v3(GPU_vertbuf_raw_step(&pos_step), bm_looptri[t]->v->co);
}
}
}
}
else {
if (lnors == NULL) {
/* Use normals from vertex. */
mesh_render_data_ensure_poly_normals_pack(rdata);
}
for (int i = 0; i < tri_len; i++) {
const MLoopTri *mlt = &rdata->mlooptri[i];
const MPoly *mp = &rdata->mpoly[mlt->poly];
if (use_hide && (mp->flag & ME_HIDE)) {
continue;
}
const uint vtri[3] = {
rdata->mloop[mlt->tri[0]].v,
rdata->mloop[mlt->tri[1]].v,
rdata->mloop[mlt->tri[2]].v,
};
if (lnors) {
for (uint t = 0; t < 3; t++) {
const float *nor = lnors[mlt->tri[t]];
*((GPUPackedNormal *)GPU_vertbuf_raw_step(&nor_step)) = GPU_normal_convert_i10_v3(nor);
}
}
else if (mp->flag & ME_SMOOTH) {
for (uint t = 0; t < 3; t++) {
const MVert *mv = &rdata->mvert[vtri[t]];
*((GPUPackedNormal *)GPU_vertbuf_raw_step(&nor_step)) = GPU_normal_convert_i10_s3(mv->no);
}
}
else {
const GPUPackedNormal *pnors_pack = &rdata->poly_normals_pack[mlt->poly];
for (uint t = 0; t < 3; t++) {
*((GPUPackedNormal *)GPU_vertbuf_raw_step(&nor_step)) = *pnors_pack;
}
}
for (uint t = 0; t < 3; t++) {
const MVert *mv = &rdata->mvert[vtri[t]];
copy_v3_v3(GPU_vertbuf_raw_step(&pos_step), mv->co);
}
}
}
}
else {
/* Note: mapped doesn't support lnors yet. */
BMesh *bm = rdata->edit_bmesh->bm;
Mesh *me_cage = rdata->mapped.me_cage;
/* TODO(campbell): unlike non-mapped modes we don't generate these on demand, just use if they exist.
* this seems like a low priority TODO since mapped meshes typically
* use the final mesh evaluated mesh for showing faces. */
const float (*lnors)[3] = CustomData_get_layer(&me_cage->ldata, CD_NORMAL);
/* TODO(campbell): this is quite an expensive operation for something
* that's not used unless 'normal' display option is enabled. */
if (!CustomData_has_layer(&me_cage->pdata, CD_NORMAL)) {
/* TODO(campbell): this is quite an expensive operation for something
* that's not used unless 'normal' display option is enabled. */
BKE_mesh_ensure_normals_for_display(me_cage);
}
const float (*polynors)[3] = CustomData_get_layer(&me_cage->pdata, CD_NORMAL);
const MVert *mvert = rdata->mapped.me_cage->mvert;
const MLoop *mloop = rdata->mapped.me_cage->mloop;
const MPoly *mpoly = rdata->mapped.me_cage->mpoly;
const MLoopTri *mlooptri = BKE_mesh_runtime_looptri_ensure(me_cage);
for (int i = 0; i < tri_len; i++) {
const MLoopTri *mlt = &mlooptri[i];
const int p_orig = rdata->mapped.p_origindex[mlt->poly];
if (p_orig != ORIGINDEX_NONE) {
/* Assume 'use_hide' */
BMFace *efa = BM_face_at_index(bm, p_orig);
if (!BM_elem_flag_test(efa, BM_ELEM_HIDDEN)) {
const MPoly *mp = &mpoly[mlt->poly];
const uint vtri[3] = {
mloop[mlt->tri[0]].v,
mloop[mlt->tri[1]].v,
mloop[mlt->tri[2]].v,
};
if (lnors) {
for (uint t = 0; t < 3; t++) {
const float *nor = lnors[mlt->tri[t]];
*((GPUPackedNormal *)GPU_vertbuf_raw_step(&nor_step)) = GPU_normal_convert_i10_v3(nor);
}
}
else if (mp->flag & ME_SMOOTH) {
for (uint t = 0; t < 3; t++) {
const MVert *mv = &mvert[vtri[t]];
*((GPUPackedNormal *)GPU_vertbuf_raw_step(&nor_step)) = GPU_normal_convert_i10_s3(mv->no);
}
}
else {
/* we don't have cached 'rdata->poly_normals_pack'. */
const GPUPackedNormal pnor = GPU_normal_convert_i10_v3(polynors[mlt->poly]);
for (uint t = 0; t < 3; t++) {
*((GPUPackedNormal *)GPU_vertbuf_raw_step(&nor_step)) = pnor;
}
}
for (uint t = 0; t < 3; t++) {
const MVert *mv = &mvert[vtri[t]];
copy_v3_v3(GPU_vertbuf_raw_step(&pos_step), mv->co);
}
}
}
}
}
vbo_len_used = GPU_vertbuf_raw_used(&pos_step);
BLI_assert(vbo_len_used == GPU_vertbuf_raw_used(&nor_step));
if (vbo_len_capacity != vbo_len_used) {
GPU_vertbuf_data_resize(vbo, vbo_len_used);
}
}
return *r_vbo;
}
static GPUVertBuf *mesh_batch_cache_get_tri_pos_and_normals(
MeshRenderData *rdata, MeshBatchCache *cache, bool use_hide)
{
return mesh_batch_cache_get_tri_pos_and_normals_ex(
rdata, use_hide,
use_hide ? &cache->pos_with_normals_visible_only : &cache->pos_with_normals);
}
static GPUVertBuf *mesh_batch_cache_get_facedot_pos_with_normals_and_flag(
MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & (MR_DATATYPE_VERT | MR_DATATYPE_LOOP | MR_DATATYPE_POLY));
if (cache->ed_fcenter_pos_with_nor_and_sel == NULL) {
static GPUVertFormat format = { 0 };
static struct { uint pos, data; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
attr_id.data = GPU_vertformat_attr_add(&format, "norAndFlag", GPU_COMP_I10, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);
}
const int vbo_len_capacity = mesh_render_data_polys_len_get_maybe_mapped(rdata);
int vidx = 0;
GPUVertBuf *vbo = cache->ed_fcenter_pos_with_nor_and_sel = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, vbo_len_capacity);
if (rdata->edit_bmesh) {
if (rdata->edit_data && rdata->edit_data->vertexCos != NULL) {
BKE_editmesh_cache_ensure_poly_normals(rdata->edit_bmesh, rdata->edit_data);
BKE_editmesh_cache_ensure_poly_centers(rdata->edit_bmesh, rdata->edit_data);
}
}
if (rdata->mapped.use == false) {
for (int i = 0; i < vbo_len_capacity; i++) {
float pcenter[3], pnor[3];
bool selected = false;
if (mesh_render_data_pnors_pcenter_select_get(rdata, i, pnor, pcenter, &selected)) {
GPUPackedNormal nor = GPU_normal_convert_i10_v3(pnor);
nor.w = selected ? 1 : 0;
GPU_vertbuf_attr_set(vbo, attr_id.data, vidx, &nor);
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx, pcenter);
vidx += 1;
}
}
}
else {
for (int i = 0; i < vbo_len_capacity; i++) {
float pcenter[3], pnor[3];
bool selected = false;
if (mesh_render_data_pnors_pcenter_select_get_mapped(rdata, i, pnor, pcenter, &selected)) {
GPUPackedNormal nor = GPU_normal_convert_i10_v3(pnor);
nor.w = selected ? 1 : 0;
GPU_vertbuf_attr_set(vbo, attr_id.data, vidx, &nor);
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx, pcenter);
vidx += 1;
}
}
}
const int vbo_len_used = vidx;
BLI_assert(vbo_len_used <= vbo_len_capacity);
if (vbo_len_used != vbo_len_capacity) {
GPU_vertbuf_data_resize(vbo, vbo_len_used);
}
}
return cache->ed_fcenter_pos_with_nor_and_sel;
}
static GPUVertBuf *mesh_batch_cache_get_edges_visible(
MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & (MR_DATATYPE_VERT | MR_DATATYPE_EDGE));
if (cache->ed_edge_pos == NULL) {
static GPUVertFormat format = { 0 };
static struct { uint pos, data; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
const int vbo_len_capacity = mesh_render_data_edges_len_get_maybe_mapped(rdata) * 2;
int vidx = 0;
GPUVertBuf *vbo = cache->ed_edge_pos = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, vbo_len_capacity);
if (rdata->mapped.use == false) {
if (rdata->edit_bmesh) {
BMesh *bm = rdata->edit_bmesh->bm;
BMIter iter;
BMEdge *eed;
BM_ITER_MESH (eed, &iter, bm, BM_EDGES_OF_MESH) {
if (!BM_elem_flag_test(eed, BM_ELEM_HIDDEN)) {
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx, eed->v1->co);
vidx += 1;
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx, eed->v2->co);
vidx += 1;
}
}
}
else {
/* not yet done! */
BLI_assert(0);
}
}
else {
BMesh *bm = rdata->edit_bmesh->bm;
const MVert *mvert = rdata->mapped.me_cage->mvert;
const MEdge *medge = rdata->mapped.me_cage->medge;
const int *e_origindex = rdata->mapped.e_origindex;
for (int i = 0; i < rdata->mapped.edge_len; i++) {
const int e_orig = e_origindex[i];
if (e_orig != ORIGINDEX_NONE) {
BMEdge *eed = BM_edge_at_index(bm, e_orig);
if (!BM_elem_flag_test(eed, BM_ELEM_HIDDEN)) {
const MEdge *ed = &medge[i];
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx, mvert[ed->v1].co);
vidx += 1;
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx, mvert[ed->v2].co);
vidx += 1;
}
}
}
}
const int vbo_len_used = vidx;
if (vbo_len_used != vbo_len_capacity) {
GPU_vertbuf_data_resize(vbo, vbo_len_used);
}
UNUSED_VARS_NDEBUG(vbo_len_used);
}
return cache->ed_edge_pos;
}
static GPUVertBuf *mesh_batch_cache_get_verts_visible(
MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & MR_DATATYPE_VERT);
if (cache->ed_vert_pos == NULL) {
static GPUVertFormat format = { 0 };
static struct { uint pos, data; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
const int vbo_len_capacity = mesh_render_data_verts_len_get_maybe_mapped(rdata);
uint vidx = 0;
GPUVertBuf *vbo = cache->ed_vert_pos = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, vbo_len_capacity);
if (rdata->mapped.use == false) {
if (rdata->edit_bmesh) {
BMesh *bm = rdata->edit_bmesh->bm;
BMIter iter;
BMVert *eve;
BM_ITER_MESH (eve, &iter, bm, BM_VERTS_OF_MESH) {
if (!BM_elem_flag_test(eve, BM_ELEM_HIDDEN)) {
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx, eve->co);
vidx += 1;
}
}
}
else {
for (int i = 0; i < vbo_len_capacity; i++) {
const MVert *mv = &rdata->mvert[i];
if (!(mv->flag & ME_HIDE)) {
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx, mv->co);
vidx += 1;
}
}
}
}
else {
BMesh *bm = rdata->edit_bmesh->bm;
const MVert *mvert = rdata->mapped.me_cage->mvert;
const int *v_origindex = rdata->mapped.v_origindex;
for (int i = 0; i < vbo_len_capacity; i++) {
const int v_orig = v_origindex[i];
if (v_orig != ORIGINDEX_NONE) {
BMVert *eve = BM_vert_at_index(bm, v_orig);
if (!BM_elem_flag_test(eve, BM_ELEM_HIDDEN)) {
const MVert *mv = &mvert[i];
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx, mv->co);
vidx += 1;
}
}
}
}
const uint vbo_len_used = vidx;
if (vbo_len_used != vbo_len_capacity) {
GPU_vertbuf_data_resize(vbo, vbo_len_used);
}
UNUSED_VARS_NDEBUG(vbo_len_used);
}
return cache->ed_vert_pos;
}
static GPUVertBuf *mesh_create_facedot_select_id(
MeshRenderData *rdata, uint select_id_offset)
{
BLI_assert(rdata->types & (MR_DATATYPE_VERT | MR_DATATYPE_LOOP | MR_DATATYPE_POLY));
GPUVertBuf *vbo;
{
static GPUVertFormat format = { 0 };
static struct { uint pos, col; } attr_id;
if (format.attr_len == 0) {
attr_id.col = GPU_vertformat_attr_add(&format, "color", GPU_COMP_I32, 1, GPU_FETCH_INT);
}
const int vbo_len_capacity = mesh_render_data_polys_len_get(rdata);
int vidx = 0;
vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, vbo_len_capacity);
uint select_index = select_id_offset;
if (rdata->edit_bmesh) {
BMesh *bm = rdata->edit_bmesh->bm;
BMIter iter;
BMEdge *efa;
BM_ITER_MESH (efa, &iter, bm, BM_FACES_OF_MESH) {
if (!BM_elem_flag_test(efa, BM_ELEM_HIDDEN)) {
int select_id;
GPU_select_index_get(select_index, &select_id);
GPU_vertbuf_attr_set(vbo, attr_id.col, vidx, &select_id);
vidx += 1;
}
select_index += 1;
}
}
else {
/* not yet done! */
BLI_assert(0);
}
const int vbo_len_used = vidx;
if (vbo_len_used != vbo_len_capacity) {
GPU_vertbuf_data_resize(vbo, vbo_len_used);
}
}
return vbo;
}
static GPUVertBuf *mesh_create_edges_select_id(
MeshRenderData *rdata, uint select_id_offset)
{
BLI_assert(rdata->types & (MR_DATATYPE_VERT | MR_DATATYPE_EDGE));
GPUVertBuf *vbo;
{
static GPUVertFormat format = { 0 };
static struct { uint pos, col; } attr_id;
if (format.attr_len == 0) {
attr_id.col = GPU_vertformat_attr_add(&format, "color", GPU_COMP_I32, 1, GPU_FETCH_INT);
}
const int vbo_len_capacity = mesh_render_data_edges_len_get_maybe_mapped(rdata) * 2;
int vidx = 0;
vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, vbo_len_capacity);
if (rdata->mapped.use == false) {
uint select_index = select_id_offset;
if (rdata->edit_bmesh) {
BMesh *bm = rdata->edit_bmesh->bm;
BMIter iter;
BMEdge *eed;
BM_ITER_MESH (eed, &iter, bm, BM_EDGES_OF_MESH) {
if (!BM_elem_flag_test(eed, BM_ELEM_HIDDEN)) {
int select_id;
GPU_select_index_get(select_index, &select_id);
GPU_vertbuf_attr_set(vbo, attr_id.col, vidx, &select_id);
vidx += 1;
GPU_vertbuf_attr_set(vbo, attr_id.col, vidx, &select_id);
vidx += 1;
}
select_index += 1;
}
}
else {
/* not yet done! */
BLI_assert(0);
}
}
else {
BMesh *bm = rdata->edit_bmesh->bm;
const int *e_origindex = rdata->mapped.e_origindex;
for (int i = 0; i < rdata->mapped.edge_len; i++) {
const int e_orig = e_origindex[i];
if (e_orig != ORIGINDEX_NONE) {
BMEdge *eed = BM_edge_at_index(bm, e_orig);
if (!BM_elem_flag_test(eed, BM_ELEM_HIDDEN)) {
uint select_index = select_id_offset + e_orig;
int select_id;
GPU_select_index_get(select_index, &select_id);
GPU_vertbuf_attr_set(vbo, attr_id.col, vidx, &select_id);
vidx += 1;
GPU_vertbuf_attr_set(vbo, attr_id.col, vidx, &select_id);
vidx += 1;
}
}
}
}
const int vbo_len_used = vidx;
if (vbo_len_used != vbo_len_capacity) {
GPU_vertbuf_data_resize(vbo, vbo_len_used);
}
}
return vbo;
}
static GPUVertBuf *mesh_create_verts_select_id(
MeshRenderData *rdata, uint select_id_offset)
{
BLI_assert(rdata->types & (MR_DATATYPE_VERT | MR_DATATYPE_LOOP | MR_DATATYPE_POLY));
GPUVertBuf *vbo;
{
static GPUVertFormat format = { 0 };
static struct { uint pos, col; } attr_id;
if (format.attr_len == 0) {
attr_id.col = GPU_vertformat_attr_add(&format, "color", GPU_COMP_I32, 1, GPU_FETCH_INT);
}
const int vbo_len_capacity = mesh_render_data_verts_len_get_maybe_mapped(rdata);
int vidx = 0;
vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, vbo_len_capacity);
if (rdata->mapped.use == false) {
uint select_index = select_id_offset;
if (rdata->edit_bmesh) {
BMesh *bm = rdata->edit_bmesh->bm;
BMIter iter;
BMVert *eve;
BM_ITER_MESH (eve, &iter, bm, BM_VERTS_OF_MESH) {
if (!BM_elem_flag_test(eve, BM_ELEM_HIDDEN)) {
int select_id;
GPU_select_index_get(select_index, &select_id);
GPU_vertbuf_attr_set(vbo, attr_id.col, vidx, &select_id);
vidx += 1;
}
select_index += 1;
}
}
else {
for (int i = 0; i < vbo_len_capacity; i++) {
const MVert *mv = &rdata->mvert[i];
if (!(mv->flag & ME_HIDE)) {
int select_id;
GPU_select_index_get(select_index, &select_id);
GPU_vertbuf_attr_set(vbo, attr_id.col, vidx, &select_id);
vidx += 1;
}
select_index += 1;
}
}
}
else {
BMesh *bm = rdata->edit_bmesh->bm;
const int *v_origindex = rdata->mapped.v_origindex;
for (int i = 0; i < vbo_len_capacity; i++) {
const int v_orig = v_origindex[i];
if (v_orig != ORIGINDEX_NONE) {
BMVert *eve = BM_vert_at_index(bm, v_orig);
if (!BM_elem_flag_test(eve, BM_ELEM_HIDDEN)) {
uint select_index = select_id_offset + v_orig;
int select_id;
GPU_select_index_get(select_index, &select_id);
GPU_vertbuf_attr_set(vbo, attr_id.col, vidx, &select_id);
vidx += 1;
}
}
}
}
const int vbo_len_used = vidx;
if (vbo_len_used != vbo_len_capacity) {
GPU_vertbuf_data_resize(vbo, vbo_len_used);
}
}
return vbo;
}
static GPUVertBuf *mesh_create_tri_weights(
MeshRenderData *rdata, bool use_hide, const struct DRW_MeshWeightState *wstate)
{
BLI_assert(
rdata->types &
(MR_DATATYPE_VERT | MR_DATATYPE_LOOPTRI | MR_DATATYPE_LOOP | MR_DATATYPE_POLY | MR_DATATYPE_DVERT));
GPUVertBuf *vbo;
{
uint cidx = 0;
static GPUVertFormat format = { 0 };
static struct { uint weight; } attr_id;
if (format.attr_len == 0) {
attr_id.weight = GPU_vertformat_attr_add(&format, "weight", GPU_COMP_F32, 1, GPU_FETCH_FLOAT);
}
vbo = GPU_vertbuf_create_with_format(&format);
const int tri_len = mesh_render_data_looptri_len_get(rdata);
const int vbo_len_capacity = tri_len * 3;
int vbo_len_used = 0;
GPU_vertbuf_data_alloc(vbo, vbo_len_capacity);
mesh_render_data_ensure_vert_weight(rdata, wstate);
const float (*vert_weight) = rdata->vert_weight;
if (rdata->edit_bmesh) {
for (int i = 0; i < tri_len; i++) {
const BMLoop **ltri = (const BMLoop **)rdata->edit_bmesh->looptris[i];
/* Assume 'use_hide' */
if (!BM_elem_flag_test(ltri[0]->f, BM_ELEM_HIDDEN)) {
for (uint tri_corner = 0; tri_corner < 3; tri_corner++) {
const int v_index = BM_elem_index_get(ltri[tri_corner]->v);
GPU_vertbuf_attr_set(vbo, attr_id.weight, cidx++, &vert_weight[v_index]);
}
}
}
}
else {
for (int i = 0; i < tri_len; i++) {
const MLoopTri *mlt = &rdata->mlooptri[i];
if (!(use_hide && (rdata->mpoly[mlt->poly].flag & ME_HIDE))) {
for (uint tri_corner = 0; tri_corner < 3; tri_corner++) {
const uint v_index = rdata->mloop[mlt->tri[tri_corner]].v;
GPU_vertbuf_attr_set(vbo, attr_id.weight, cidx++, &vert_weight[v_index]);
}
}
}
}
vbo_len_used = cidx;
if (vbo_len_capacity != vbo_len_used) {
GPU_vertbuf_data_resize(vbo, vbo_len_used);
}
}
return vbo;
}
static GPUVertBuf *mesh_create_tri_vert_colors(
MeshRenderData *rdata, bool use_hide)
{
BLI_assert(
rdata->types &
(MR_DATATYPE_VERT | MR_DATATYPE_LOOPTRI | MR_DATATYPE_LOOP | MR_DATATYPE_POLY | MR_DATATYPE_LOOPCOL));
GPUVertBuf *vbo;
{
uint cidx = 0;
static GPUVertFormat format = { 0 };
static struct { uint col; } attr_id;
if (format.attr_len == 0) {
attr_id.col = GPU_vertformat_attr_add(&format, "color", GPU_COMP_U8, 3, GPU_FETCH_INT_TO_FLOAT_UNIT);
}
const int tri_len = mesh_render_data_looptri_len_get(rdata);
vbo = GPU_vertbuf_create_with_format(&format);
const uint vbo_len_capacity = tri_len * 3;
GPU_vertbuf_data_alloc(vbo, vbo_len_capacity);
mesh_render_data_ensure_vert_color(rdata);
const char (*vert_color)[3] = rdata->vert_color;
if (rdata->edit_bmesh) {
for (int i = 0; i < tri_len; i++) {
const BMLoop **ltri = (const BMLoop **)rdata->edit_bmesh->looptris[i];
/* Assume 'use_hide' */
if (!BM_elem_flag_test(ltri[0]->f, BM_ELEM_HIDDEN)) {
for (uint tri_corner = 0; tri_corner < 3; tri_corner++) {
const int l_index = BM_elem_index_get(ltri[tri_corner]);
GPU_vertbuf_attr_set(vbo, attr_id.col, cidx++, vert_color[l_index]);
}
}
}
}
else {
for (int i = 0; i < tri_len; i++) {
const MLoopTri *mlt = &rdata->mlooptri[i];
if (!(use_hide && (rdata->mpoly[mlt->poly].flag & ME_HIDE))) {
for (uint tri_corner = 0; tri_corner < 3; tri_corner++) {
const uint l_index = mlt->tri[tri_corner];
GPU_vertbuf_attr_set(vbo, attr_id.col, cidx++, vert_color[l_index]);
}
}
}
}
const uint vbo_len_used = cidx;
if (vbo_len_capacity != vbo_len_used) {
GPU_vertbuf_data_resize(vbo, vbo_len_used);
}
}
return vbo;
}
static GPUVertBuf *mesh_create_tri_select_id(
MeshRenderData *rdata, bool use_hide, uint select_id_offset)
{
BLI_assert(
rdata->types &
(MR_DATATYPE_VERT | MR_DATATYPE_LOOPTRI | MR_DATATYPE_LOOP | MR_DATATYPE_POLY));
GPUVertBuf *vbo;
{
uint cidx = 0;
static GPUVertFormat format = { 0 };
static struct { uint col; } attr_id;
if (format.attr_len == 0) {
attr_id.col = GPU_vertformat_attr_add(&format, "color", GPU_COMP_I32, 1, GPU_FETCH_INT);
}
const int tri_len = mesh_render_data_looptri_len_get_maybe_mapped(rdata);
vbo = GPU_vertbuf_create_with_format(&format);
const int vbo_len_capacity = tri_len * 3;
int vbo_len_used = 0;
GPU_vertbuf_data_alloc(vbo, vbo_len_capacity);
if (rdata->mapped.use == false) {
if (rdata->edit_bmesh) {
for (int i = 0; i < tri_len; i++) {
const BMLoop **ltri = (const BMLoop **)rdata->edit_bmesh->looptris[i];
/* Assume 'use_hide' */
if (!BM_elem_flag_test(ltri[0]->f, BM_ELEM_HIDDEN)) {
const int poly_index = BM_elem_index_get(ltri[0]->f);
int select_id;
GPU_select_index_get(poly_index + select_id_offset, &select_id);
for (uint tri_corner = 0; tri_corner < 3; tri_corner++) {
GPU_vertbuf_attr_set(vbo, attr_id.col, cidx++, &select_id);
}
}
}
}
else {
const int *p_origindex = NULL;
if (rdata->me != NULL) {
p_origindex = CustomData_get_layer(&rdata->me->pdata, CD_ORIGINDEX);
}
for (int i = 0; i < tri_len; i++) {
const MLoopTri *mlt = &rdata->mlooptri[i];
const int poly_index = mlt->poly;
if (!(use_hide && (rdata->mpoly[poly_index].flag & ME_HIDE))) {
int orig_index = p_origindex ? p_origindex[poly_index] : poly_index;
if (orig_index != ORIGINDEX_NONE) {
int select_id;
GPU_select_index_get(orig_index + select_id_offset, &select_id);
for (uint tri_corner = 0; tri_corner < 3; tri_corner++) {
GPU_vertbuf_attr_set(vbo, attr_id.col, cidx++, &select_id);
}
}
}
}
}
}
else {
BMesh *bm = rdata->edit_bmesh->bm;
Mesh *me_cage = rdata->mapped.me_cage;
const MLoopTri *mlooptri = BKE_mesh_runtime_looptri_ensure(me_cage);
for (int i = 0; i < tri_len; i++) {
const MLoopTri *mlt = &mlooptri[i];
const int p_orig = rdata->mapped.p_origindex[mlt->poly];
if (p_orig != ORIGINDEX_NONE) {
/* Assume 'use_hide' */
BMFace *efa = BM_face_at_index(bm, p_orig);
if (!BM_elem_flag_test(efa, BM_ELEM_HIDDEN)) {
int select_id;
GPU_select_index_get(select_id_offset + p_orig, &select_id);
for (uint tri_corner = 0; tri_corner < 3; tri_corner++) {
GPU_vertbuf_attr_set(vbo, attr_id.col, cidx++, &select_id);
}
}
}
}
}
vbo_len_used = cidx;
if (vbo_len_capacity != vbo_len_used) {
GPU_vertbuf_data_resize(vbo, vbo_len_used);
}
}
return vbo;
}
static GPUVertBuf *mesh_batch_cache_get_vert_pos_and_nor_in_order(
MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & MR_DATATYPE_VERT);
if (cache->pos_in_order == NULL) {
static GPUVertFormat format = { 0 };
static struct { uint pos, nor; } attr_id;
if (format.attr_len == 0) {
/* Normal is padded so that the vbo can be used as a buffer texture */
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
attr_id.nor = GPU_vertformat_attr_add(&format, "nor", GPU_COMP_I16, 4, GPU_FETCH_INT_TO_FLOAT_UNIT);
}
GPUVertBuf *vbo = cache->pos_in_order = GPU_vertbuf_create_with_format(&format);
const int vbo_len_capacity = mesh_render_data_verts_len_get_maybe_mapped(rdata);
GPU_vertbuf_data_alloc(vbo, vbo_len_capacity);
if (rdata->mapped.use == false) {
if (rdata->edit_bmesh) {
BMesh *bm = rdata->edit_bmesh->bm;
BMIter iter;
BMVert *eve;
uint i;
BM_ITER_MESH_INDEX (eve, &iter, bm, BM_VERTS_OF_MESH, i) {
static short no_short[4];
normal_float_to_short_v3(no_short, eve->no);
GPU_vertbuf_attr_set(vbo, attr_id.pos, i, eve->co);
GPU_vertbuf_attr_set(vbo, attr_id.nor, i, no_short);
}
BLI_assert(i == vbo_len_capacity);
}
else {
for (int i = 0; i < vbo_len_capacity; i++) {
GPU_vertbuf_attr_set(vbo, attr_id.pos, i, rdata->mvert[i].co);
GPU_vertbuf_attr_set(vbo, attr_id.nor, i, rdata->mvert[i].no); /* XXX actually reading 4 shorts */
}
}
}
else {
const MVert *mvert = rdata->mapped.me_cage->mvert;
const int *v_origindex = rdata->mapped.v_origindex;
for (int i = 0; i < vbo_len_capacity; i++) {
const int v_orig = v_origindex[i];
if (v_orig != ORIGINDEX_NONE) {
const MVert *mv = &mvert[i];
GPU_vertbuf_attr_set(vbo, attr_id.pos, i, mv->co);
GPU_vertbuf_attr_set(vbo, attr_id.nor, i, mv->no); /* XXX actually reading 4 shorts */
}
}
}
}
return cache->pos_in_order;
}
static GPUVertFormat *edit_mesh_overlay_pos_format(uint *r_pos_id)
{
static GPUVertFormat format_pos = { 0 };
static uint pos_id;
if (format_pos.attr_len == 0) {
pos_id = GPU_vertformat_attr_add(&format_pos, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
}
*r_pos_id = pos_id;
return &format_pos;
}
static GPUVertFormat *edit_mesh_overlay_nor_format(uint *r_vnor_id, uint *r_lnor_id)
{
static GPUVertFormat format_nor = { 0 };
static GPUVertFormat format_nor_loop = { 0 };
static uint vnor_id, vnor_loop_id, lnor_id;
if (format_nor.attr_len == 0) {
vnor_id = GPU_vertformat_attr_add(&format_nor, "vnor", GPU_COMP_I10, 3, GPU_FETCH_INT_TO_FLOAT_UNIT);
vnor_loop_id = GPU_vertformat_attr_add(&format_nor_loop, "vnor", GPU_COMP_I10, 3, GPU_FETCH_INT_TO_FLOAT_UNIT);
lnor_id = GPU_vertformat_attr_add(&format_nor_loop, "lnor", GPU_COMP_I10, 3, GPU_FETCH_INT_TO_FLOAT_UNIT);
}
if (r_lnor_id) {
*r_vnor_id = vnor_loop_id;
*r_lnor_id = lnor_id;
return &format_nor_loop;
}
else {
*r_vnor_id = vnor_id;
return &format_nor;
}
}
static GPUVertFormat *edit_mesh_overlay_data_format(uint *r_data_id)
{
static GPUVertFormat format_flag = { 0 };
static uint data_id;
if (format_flag.attr_len == 0) {
data_id = GPU_vertformat_attr_add(&format_flag, "data", GPU_COMP_U8, 4, GPU_FETCH_INT);
}
*r_data_id = data_id;
return &format_flag;
}
static void mesh_batch_cache_create_overlay_tri_buffers(
MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & (MR_DATATYPE_VERT | MR_DATATYPE_LOOPTRI));
BMesh *bm = rdata->edit_bmesh->bm;
BMIter iter;
BMVert *ev;
const int tri_len = mesh_render_data_looptri_len_get_maybe_mapped(rdata);
const int vbo_len_capacity = tri_len * 3;
int vbo_len_used = 0;
int points_len = bm->totvert;
/* Positions */
GPUVertBuf *vbo_pos = NULL;
static struct { uint pos, vnor, lnor, data; } attr_id;
if (cache->ed_tri_pos == NULL) {
vbo_pos = cache->ed_tri_pos =
GPU_vertbuf_create_with_format(edit_mesh_overlay_pos_format(&attr_id.pos));
GPU_vertbuf_data_alloc(vbo_pos, vbo_len_capacity);
}
/* Normals */
GPUVertBuf *vbo_nor = NULL;
if (cache->ed_tri_nor == NULL) {
vbo_nor = cache->ed_tri_nor =
GPU_vertbuf_create_with_format(edit_mesh_overlay_nor_format(&attr_id.vnor, &attr_id.lnor));
GPU_vertbuf_data_alloc(vbo_nor, vbo_len_capacity);
}
/* Data */
GPUVertBuf *vbo_data = NULL;
if (cache->ed_tri_data == NULL) {
vbo_data = cache->ed_tri_data =
GPU_vertbuf_create_with_format(edit_mesh_overlay_data_format(&attr_id.data));
GPU_vertbuf_data_alloc(vbo_data, vbo_len_capacity);
}
/* Verts IBO */
GPUIndexBufBuilder elb, *elbp = NULL;
if (cache->ed_tri_verts == NULL) {
elbp = &elb;
GPU_indexbuf_init(elbp, GPU_PRIM_POINTS, points_len, vbo_len_capacity);
}
/* Clear tag */
BM_ITER_MESH(ev, &iter, bm, BM_VERTS_OF_MESH) {
BM_elem_flag_disable(ev, BM_ELEM_TAG);
}
if (rdata->mapped.use == false) {
for (int i = 0; i < tri_len; i++) {
const BMLoop **bm_looptri = (const BMLoop **)rdata->edit_bmesh->looptris[i];
if (!BM_elem_flag_test(bm_looptri[0]->f, BM_ELEM_HIDDEN)) {
add_overlay_tri(
rdata, vbo_pos, vbo_nor, vbo_data, elbp,
attr_id.pos, attr_id.vnor, attr_id.lnor, attr_id.data,
bm_looptri, vbo_len_used);
vbo_len_used += 3;
}
}
}
else {
Mesh *me_cage = rdata->mapped.me_cage;
const MLoopTri *mlooptri = BKE_mesh_runtime_looptri_ensure(me_cage);
if (!CustomData_has_layer(&me_cage->pdata, CD_NORMAL)) {
/* TODO(campbell): this is quite an expensive operation for something
* that's not used unless 'normal' display option is enabled. */
BKE_mesh_ensure_normals_for_display(me_cage);
}
const float (*polynors)[3] = CustomData_get_layer(&me_cage->pdata, CD_NORMAL);
const float (*loopnors)[3] = CustomData_get_layer(&me_cage->ldata, CD_NORMAL);
for (int i = 0; i < tri_len; i++) {
const MLoopTri *mlt = &mlooptri[i];
const int p_orig = rdata->mapped.p_origindex[mlt->poly];
if (p_orig != ORIGINDEX_NONE) {
BMFace *efa = BM_face_at_index(bm, p_orig);
if (!BM_elem_flag_test(efa, BM_ELEM_HIDDEN)) {
add_overlay_tri_mapped(
rdata, vbo_pos, vbo_nor, vbo_data, elbp,
attr_id.pos, attr_id.vnor, attr_id.lnor, attr_id.data,
efa, mlt, polynors[mlt->poly], loopnors, vbo_len_used);
vbo_len_used += 3;
}
}
}
}
if (elbp != NULL) {
cache->ed_tri_verts = GPU_indexbuf_build(elbp);
}
/* Finish */
if (vbo_len_used != vbo_len_capacity) {
if (vbo_pos != NULL) {
GPU_vertbuf_data_resize(vbo_pos, vbo_len_used);
}
if (vbo_nor != NULL) {
GPU_vertbuf_data_resize(vbo_nor, vbo_len_used);
}
if (vbo_data != NULL) {
GPU_vertbuf_data_resize(vbo_data, vbo_len_used);
}
}
/* Upload data early because we need to create the texture for it. */
GPU_vertbuf_use(vbo_data);
cache->ed_tri_data_tx = GPU_texture_create_from_vertbuf(vbo_data);
}
static void mesh_batch_cache_create_overlay_ledge_buffers(
MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & (MR_DATATYPE_VERT | MR_DATATYPE_LOOPTRI));
const int ledge_len = mesh_render_data_loose_edges_len_get_maybe_mapped(rdata);
const int vbo_len_capacity = ledge_len * 2;
int vbo_len_used = 0;
/* Positions */
GPUVertBuf *vbo_pos = NULL;
static struct { uint pos, vnor, data; } attr_id;
if (cache->ed_ledge_pos == NULL) {
vbo_pos = cache->ed_ledge_pos =
GPU_vertbuf_create_with_format(edit_mesh_overlay_pos_format(&attr_id.pos));
GPU_vertbuf_data_alloc(vbo_pos, vbo_len_capacity);
}
/* Normals */
GPUVertBuf *vbo_nor = NULL;
if (cache->ed_ledge_nor == NULL) {
vbo_nor = cache->ed_ledge_nor =
GPU_vertbuf_create_with_format(edit_mesh_overlay_nor_format(&attr_id.vnor, NULL));
GPU_vertbuf_data_alloc(vbo_nor, vbo_len_capacity);
}
/* Data */
GPUVertBuf *vbo_data = NULL;
if (cache->ed_ledge_data == NULL) {
vbo_data = cache->ed_ledge_data =
GPU_vertbuf_create_with_format(edit_mesh_overlay_data_format(&attr_id.data));
GPU_vertbuf_data_alloc(vbo_data, vbo_len_capacity);
}
if (rdata->mapped.use == false) {
if (rdata->edit_bmesh) {
BMesh *bm = rdata->edit_bmesh->bm;
for (uint i = 0; i < ledge_len; i++) {
const BMEdge *eed = BM_edge_at_index(bm, rdata->loose_edges[i]);
add_overlay_loose_edge(
rdata, vbo_pos, vbo_nor, vbo_data,
attr_id.pos, attr_id.vnor, attr_id.data,
eed, vbo_len_used);
vbo_len_used += 2;
}
}
}
else {
BMesh *bm = rdata->edit_bmesh->bm;
Mesh *me_cage = rdata->mapped.me_cage;
const MVert *mvert = me_cage->mvert;
const MEdge *medge = me_cage->medge;
const int *e_origindex = rdata->mapped.e_origindex;
for (uint i_iter = 0; i_iter < ledge_len; i_iter++) {
const int i = rdata->mapped.loose_edges[i_iter];
const int e_orig = e_origindex[i];
const MEdge *ed = &medge[i];
BMEdge *eed = BM_edge_at_index(bm, e_orig);
add_overlay_loose_edge_mapped(
rdata, vbo_pos, vbo_nor, vbo_data,
attr_id.pos, attr_id.vnor, attr_id.data,
eed, mvert, ed, vbo_len_used);
vbo_len_used += 2;
}
}
/* Finish */
if (vbo_len_used != vbo_len_capacity) {
if (vbo_pos != NULL) {
GPU_vertbuf_data_resize(vbo_pos, vbo_len_used);
}
if (vbo_nor != NULL) {
GPU_vertbuf_data_resize(vbo_nor, vbo_len_used);
}
if (vbo_data != NULL) {
GPU_vertbuf_data_resize(vbo_data, vbo_len_used);
}
}
}
static void mesh_batch_cache_create_overlay_lvert_buffers(
MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & (MR_DATATYPE_VERT | MR_DATATYPE_LOOPTRI));
BMesh *bm = rdata->edit_bmesh->bm;
const int lvert_len = mesh_render_data_loose_verts_len_get_maybe_mapped(rdata);
const int vbo_len_capacity = lvert_len;
int vbo_len_used = 0;
static struct { uint pos, vnor, data; } attr_id;
/* Positions */
GPUVertBuf *vbo_pos = NULL;
if (cache->ed_lvert_pos == NULL) {
vbo_pos = cache->ed_lvert_pos =
GPU_vertbuf_create_with_format(edit_mesh_overlay_pos_format(&attr_id.pos));
GPU_vertbuf_data_alloc(vbo_pos, vbo_len_capacity);
}
/* Normals */
GPUVertBuf *vbo_nor = NULL;
if (cache->ed_lvert_nor == NULL) {
vbo_nor = cache->ed_lvert_nor =
GPU_vertbuf_create_with_format(edit_mesh_overlay_nor_format(&attr_id.vnor, NULL));
GPU_vertbuf_data_alloc(vbo_nor, vbo_len_capacity);
}
/* Data */
GPUVertBuf *vbo_data = NULL;
if (cache->ed_lvert_data == NULL) {
vbo_data = cache->ed_lvert_data =
GPU_vertbuf_create_with_format(edit_mesh_overlay_data_format(&attr_id.data));
GPU_vertbuf_data_alloc(vbo_data, vbo_len_capacity);
}
if (rdata->mapped.use == false) {
for (uint i = 0; i < lvert_len; i++) {
BMVert *eve = BM_vert_at_index(bm, rdata->loose_verts[i]);
add_overlay_loose_vert(
rdata, vbo_pos, vbo_nor, vbo_data,
attr_id.pos, attr_id.vnor, attr_id.data,
eve, vbo_len_used);
vbo_len_used += 1;
}
}
else {
Mesh *me_cage = rdata->mapped.me_cage;
const MVert *mvert = me_cage->mvert;
const int *v_origindex = rdata->mapped.v_origindex;
for (uint i_iter = 0; i_iter < lvert_len; i_iter++) {
const int i = rdata->mapped.loose_verts[i_iter];
const int v_orig = v_origindex[i];
const MVert *mv = &mvert[i];
BMVert *eve = BM_vert_at_index(bm, v_orig);
add_overlay_loose_vert_mapped(
rdata, vbo_pos, vbo_nor, vbo_data,
attr_id.pos, attr_id.vnor, attr_id.data,
eve, mv, vbo_len_used);
vbo_len_used += 1;
}
}
/* Finish */
if (vbo_len_used != vbo_len_capacity) {
if (vbo_pos != NULL) {
GPU_vertbuf_data_resize(vbo_pos, vbo_len_used);
}
if (vbo_nor != NULL) {
GPU_vertbuf_data_resize(vbo_nor, vbo_len_used);
}
if (vbo_data != NULL) {
GPU_vertbuf_data_resize(vbo_data, vbo_len_used);
}
}
}
/* Position */
static GPUVertBuf *mesh_batch_cache_get_edit_tri_pos(
MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & MR_DATATYPE_VERT);
if (cache->ed_tri_pos == NULL) {
mesh_batch_cache_create_overlay_tri_buffers(rdata, cache);
}
return cache->ed_tri_pos;
}
static GPUVertBuf *mesh_batch_cache_get_edit_ledge_pos(
MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & MR_DATATYPE_VERT);
if (cache->ed_ledge_pos == NULL) {
if (rdata->mapped.supported) {
rdata->mapped.use = true;
}
mesh_batch_cache_create_overlay_ledge_buffers(rdata, cache);
}
return cache->ed_ledge_pos;
}
static GPUVertBuf *mesh_batch_cache_get_edit_lvert_pos(
MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & MR_DATATYPE_VERT);
if (cache->ed_lvert_pos == NULL) {
if (rdata->mapped.supported) {
rdata->mapped.use = true;
}
mesh_batch_cache_create_overlay_lvert_buffers(rdata, cache);
}
return cache->ed_lvert_pos;
}
/* Indices */
static GPUIndexBuf *mesh_batch_cache_get_edit_tri_indices(
MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & MR_DATATYPE_VERT);
if (cache->ed_tri_verts == NULL) {
mesh_batch_cache_create_overlay_tri_buffers(rdata, cache);
}
return cache->ed_tri_verts;
}
/* Normal */
static GPUVertBuf *mesh_batch_cache_get_edit_tri_nor(
MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & MR_DATATYPE_VERT);
if (cache->ed_tri_nor == NULL) {
if (rdata->mapped.supported) {
rdata->mapped.use = true;
}
mesh_batch_cache_create_overlay_tri_buffers(rdata, cache);
}
return cache->ed_tri_nor;
}
static GPUVertBuf *mesh_batch_cache_get_edit_ledge_nor(
MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & MR_DATATYPE_VERT);
if (cache->ed_ledge_nor == NULL) {
if (rdata->mapped.supported) {
rdata->mapped.use = true;
}
mesh_batch_cache_create_overlay_ledge_buffers(rdata, cache);
}
return cache->ed_ledge_nor;
}
static GPUVertBuf *mesh_batch_cache_get_edit_lvert_nor(
MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & MR_DATATYPE_VERT);
if (cache->ed_lvert_nor == NULL) {
if (rdata->mapped.supported) {
rdata->mapped.use = true;
}
mesh_batch_cache_create_overlay_lvert_buffers(rdata, cache);
}
return cache->ed_lvert_nor;
}
/* Data */
static GPUVertBuf *mesh_batch_cache_get_edit_tri_data(
MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & MR_DATATYPE_VERT);
if (cache->ed_tri_data == NULL) {
mesh_batch_cache_create_overlay_tri_buffers(rdata, cache);
}
return cache->ed_tri_data;
}
static GPUVertBuf *mesh_batch_cache_get_edit_ledge_data(
MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & MR_DATATYPE_VERT);
if (cache->ed_ledge_data == NULL) {
if (rdata->mapped.supported) {
rdata->mapped.use = true;
}
mesh_batch_cache_create_overlay_ledge_buffers(rdata, cache);
}
return cache->ed_ledge_data;
}
static GPUVertBuf *mesh_batch_cache_get_edit_lvert_data(
MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & MR_DATATYPE_VERT);
if (cache->ed_lvert_data == NULL) {
if (rdata->mapped.supported) {
rdata->mapped.use = true;
}
mesh_batch_cache_create_overlay_lvert_buffers(rdata, cache);
}
return cache->ed_lvert_data;
}
static GPUIndexBuf *mesh_batch_cache_get_edges_in_order(MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & (MR_DATATYPE_VERT | MR_DATATYPE_EDGE));
if (cache->edges_in_order == NULL) {
const int vert_len = mesh_render_data_verts_len_get(rdata);
const int edge_len = mesh_render_data_edges_len_get(rdata);
GPUIndexBufBuilder elb;
GPU_indexbuf_init(&elb, GPU_PRIM_LINES, edge_len, vert_len);
BLI_assert(rdata->types & MR_DATATYPE_EDGE);
if (rdata->edit_bmesh) {
BMesh *bm = rdata->edit_bmesh->bm;
BMIter eiter;
BMEdge *eed;
BM_ITER_MESH(eed, &eiter, bm, BM_EDGES_OF_MESH) {
if (!BM_elem_flag_test(eed, BM_ELEM_HIDDEN)) {
GPU_indexbuf_add_line_verts(&elb, BM_elem_index_get(eed->v1), BM_elem_index_get(eed->v2));
}
}
}
else {
const MEdge *ed = rdata->medge;
for (int i = 0; i < edge_len; i++, ed++) {
GPU_indexbuf_add_line_verts(&elb, ed->v1, ed->v2);
}
}
cache->edges_in_order = GPU_indexbuf_build(&elb);
}
return cache->edges_in_order;
}
#define NO_EDGE INT_MAX
static GPUIndexBuf *mesh_batch_cache_get_edges_adjacency(MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & (MR_DATATYPE_VERT | MR_DATATYPE_LOOP | MR_DATATYPE_LOOPTRI));
if (cache->edges_adjacency == NULL) {
const int vert_len = mesh_render_data_verts_len_get(rdata);
const int tri_len = mesh_render_data_looptri_len_get(rdata);
cache->is_manifold = true;
/* Allocate max but only used indices are sent to GPU. */
GPUIndexBufBuilder elb;
GPU_indexbuf_init(&elb, GPU_PRIM_LINES_ADJ, tri_len * 3, vert_len);
EdgeHash *eh = BLI_edgehash_new_ex(__func__, tri_len * 3);
/* Create edges for each pair of triangles sharing an edge. */
for (int i = 0; i < tri_len; i++) {
for (int e = 0; e < 3; e++) {
uint v0, v1, v2;
if (rdata->edit_bmesh) {
const BMLoop **bm_looptri = (const BMLoop **)rdata->edit_bmesh->looptris[i];
if (BM_elem_flag_test(bm_looptri[0]->f, BM_ELEM_HIDDEN)) {
break;
}
v0 = BM_elem_index_get(bm_looptri[e]->v);
v1 = BM_elem_index_get(bm_looptri[(e + 1) % 3]->v);
v2 = BM_elem_index_get(bm_looptri[(e + 2) % 3]->v);
}
else {
const MLoop *mloop = rdata->mloop;
const MLoopTri *mlt = rdata->mlooptri + i;
v0 = mloop[mlt->tri[e]].v;
v1 = mloop[mlt->tri[(e + 1) % 3]].v;
v2 = mloop[mlt->tri[(e + 2) % 3]].v;
}
bool inv_indices = (v1 > v2);
void **pval;
bool value_is_init = BLI_edgehash_ensure_p(eh, v1, v2, &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
* edgehash sort the keys and we need to compare winding later. */
int value = (int)v0 + 1; /* Int 0 cannot be signed */
*pval = POINTER_FROM_INT((inv_indices) ? -value : value);
}
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 v_opposite = (uint)abs(v_data) - 1;
if (inv_opposite == inv_indices) {
/* Don't share edge if triangles have non matching winding. */
GPU_indexbuf_add_line_adj_verts(&elb, v0, v1, v2, v0);
GPU_indexbuf_add_line_adj_verts(&elb, v_opposite, v1, v2, v_opposite);
cache->is_manifold = false;
}
else {
GPU_indexbuf_add_line_adj_verts(&elb, v0, v1, v2, v_opposite);
}
}
}
}
/* Create edges for remaning non manifold edges. */
EdgeHashIterator *ehi;
for (ehi = BLI_edgehashIterator_new(eh);
BLI_edgehashIterator_isDone(ehi) == false;
BLI_edgehashIterator_step(ehi))
{
uint v1, v2;
int v_data = POINTER_AS_INT(BLI_edgehashIterator_getValue(ehi));
if (v_data == NO_EDGE) {
continue;
}
BLI_edgehashIterator_getKey(ehi, &v1, &v2);
uint v0 = (uint)abs(v_data) - 1;
if (v_data < 0) { /* inv_opposite */
SWAP(uint, v1, v2);
}
GPU_indexbuf_add_line_adj_verts(&elb, v0, v1, v2, v0);
cache->is_manifold = false;
}
BLI_edgehashIterator_free(ehi);
BLI_edgehash_free(eh, NULL);
cache->edges_adjacency = GPU_indexbuf_build(&elb);
}
return cache->edges_adjacency;
}
#undef NO_EDGE
static EdgeHash *create_looptri_edge_adjacency_hash(MeshRenderData *rdata, EdgeAdjacentVerts **r_adj_data)
{
const int tri_len = mesh_render_data_looptri_len_get(rdata);
/* Create adjacency info in looptri */
EdgeHash *eh = BLI_edgehash_new_ex(__func__, tri_len * 3);
/* TODO allocate less memory (based on edge count) */
EdgeAdjacentVerts *adj_data = MEM_mallocN(tri_len * 3 * sizeof(EdgeAdjacentVerts), __func__);
*r_adj_data = adj_data;
/* Create edges for each pair of triangles sharing an edge. */
for (int i = 0; i < tri_len; i++) {
for (int e = 0; e < 3; e++) {
uint v0, v1, v2;
if (rdata->edit_bmesh) {
const BMLoop **bm_looptri = (const BMLoop **)rdata->edit_bmesh->looptris[i];
if (BM_elem_flag_test(bm_looptri[0]->f, BM_ELEM_HIDDEN)) {
break;
}
v0 = BM_elem_index_get(bm_looptri[e]->v);
v1 = BM_elem_index_get(bm_looptri[(e + 1) % 3]->v);
v2 = BM_elem_index_get(bm_looptri[(e + 2) % 3]->v);
}
else {
const MLoop *mloop = rdata->mloop;
const MLoopTri *mlt = rdata->mlooptri + i;
v0 = mloop[mlt->tri[e]].v;
v1 = mloop[mlt->tri[(e + 1) % 3]].v;
v2 = mloop[mlt->tri[(e + 2) % 3]].v;
}
EdgeAdjacentVerts **eav;
bool value_is_init = BLI_edgehash_ensure_p(eh, v1, v2, (void ***)&eav);
if (!value_is_init) {
*eav = adj_data++;
(*eav)->vert_index[0] = v0;
(*eav)->vert_index[1] = -1;
}
else {
if ((*eav)->vert_index[1] == -1) {
(*eav)->vert_index[1] = v0;
}
else {
/* Not a manifold edge. */
}
}
}
}
return eh;
}
static GPUVertBuf *mesh_batch_cache_create_edges_overlay_texture_buf(
MeshRenderData *rdata, MeshBatchCache *cache, bool reduce_len)
{
if (cache->edges_face_overlay != NULL) {
return cache->edges_face_overlay;
}
const int tri_len = mesh_render_data_looptri_len_get(rdata);
GPUVertFormat format = {0};
uint index_id = GPU_vertformat_attr_add(&format, "index", GPU_COMP_U32, 1, GPU_FETCH_INT);
GPUVertBuf *vbo = cache->edges_face_overlay = GPU_vertbuf_create_with_format(&format);
int vbo_len_capacity = tri_len * 3;
GPU_vertbuf_data_alloc(vbo, vbo_len_capacity);
int vidx = 0;
int vidx_end = vbo_len_capacity;
EdgeHash *eh = NULL;
EdgeAdjacentVerts *adj_data = NULL;
eh = create_looptri_edge_adjacency_hash(rdata, &adj_data);
for (int i = 0; i < tri_len; i++) {
uint vdata[3] = {0, 0, 0};
bool face_has_edges = false;
const MVert *mvert = rdata->mvert;
const MEdge *medge = rdata->medge;
const MLoop *mloop = rdata->mloop;
const MLoopTri *mlt = rdata->mlooptri + i;
int j, j_next;
for (j = 2, j_next = 0; j_next < 3; j = j_next++) {
const MEdge *ed = &medge[mloop[mlt->tri[j]].e];
const uint tri_edge[2] = {mloop[mlt->tri[j]].v, mloop[mlt->tri[j_next]].v};
if ((((ed->v1 == tri_edge[0]) && (ed->v2 == tri_edge[1])) ||
((ed->v1 == tri_edge[1]) && (ed->v2 == tri_edge[0]))) &&
(ed->flag & ME_EDGERENDER) != 0)
{
/* Real edge. */
vdata[j] |= (1 << 30);
}
}
/* If at least one edge is real. */
if (vdata[0] || vdata[1] || vdata[2]) {
/* Decide if face has at least a "dominant" edge. */
float fnor[3];
if (reduce_len) {
normal_tri_v3(fnor,
mvert[mloop[mlt->tri[0]].v].co,
mvert[mloop[mlt->tri[1]].v].co,
mvert[mloop[mlt->tri[2]].v].co);
}
for (int e = 0; e < 3; e++) {
int v0 = mloop[mlt->tri[e]].v;
int v1 = mloop[mlt->tri[(e + 1) % 3]].v;
/* The only breakage it would cause is drawing issues. */
/* BLI_assert(3FFFFFFF > v0); */
vdata[e] |= (uint)v0;
/* Non-real edge. */
if (vdata[e] == 0) {
continue;
}
EdgeAdjacentVerts *eav = BLI_edgehash_lookup(eh, v0, v1);
/* If Non Manifold. */
if (eav->vert_index[1] == -1) {
face_has_edges = true;
vdata[e] |= (1u << 31);
}
/* Search for dominant edge. */
if (reduce_len && !face_has_edges) {
int v2 = mloop[mlt->tri[(e + 2) % 3]].v;
/* Select the right opposite vertex */
v2 = (eav->vert_index[1] == v2) ? eav->vert_index[0] : eav->vert_index[1];
float fnor_adj[3];
normal_tri_v3(fnor_adj,
mvert[v1].co,
mvert[v0].co,
mvert[v2].co);
float fac = dot_v3v3(fnor_adj, fnor);
if (fac < 0.999f) {
face_has_edges = true;
}
}
}
}
if (!face_has_edges) {
vidx_end -= 3;
}
for (int e = 0; e < 3; e++) {
/* Add faces most likely to draw anything at the begining of the VBO
* to enable fast drawing the visible edges. */
if (face_has_edges) {
GPU_vertbuf_attr_set(vbo, index_id, vidx++, &vdata[e]);
}
else {
GPU_vertbuf_attr_set(vbo, index_id, vidx_end + e, &vdata[e]);
}
}
}
cache->edges_face_overlay_tri_count = vbo->vertex_alloc / 3;
cache->edges_face_overlay_tri_count_low = vidx / 3;
cache->edges_face_reduce_len = reduce_len;
BLI_edgehash_free(eh, NULL);
MEM_freeN(adj_data);
return vbo;
}
static GPUTexture *mesh_batch_cache_get_edges_overlay_texture_buf(
MeshRenderData *rdata, MeshBatchCache *cache, bool reduce_len)
{
BLI_assert(rdata->types & (MR_DATATYPE_VERT | MR_DATATYPE_EDGE | MR_DATATYPE_LOOP | MR_DATATYPE_LOOPTRI));
if (cache->edges_face_overlay_tx != NULL) {
return cache->edges_face_overlay_tx;
}
GPUVertBuf *vbo = mesh_batch_cache_create_edges_overlay_texture_buf(rdata, cache, reduce_len);
/* Upload data early because we need to create the texture for it. */
GPU_vertbuf_use(vbo);
cache->edges_face_overlay_tx = GPU_texture_create_from_vertbuf(vbo);
return cache->edges_face_overlay_tx;
}
static GPUTexture *mesh_batch_cache_get_vert_pos_and_nor_in_order_buf(MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & (MR_DATATYPE_VERT | MR_DATATYPE_EDGE | MR_DATATYPE_LOOP | MR_DATATYPE_LOOPTRI));
if (cache->pos_in_order_tx == NULL) {
GPUVertBuf *pos_in_order = mesh_batch_cache_get_vert_pos_and_nor_in_order(rdata, cache);
GPU_vertbuf_use(pos_in_order); /* Upload early for buffer texture creation. */
cache->pos_in_order_tx = GPU_texture_create_buffer(GPU_R32F, pos_in_order->vbo_id);
}
return cache->pos_in_order_tx;
}
static GPUIndexBuf *mesh_batch_cache_get_triangles_in_order(MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & (MR_DATATYPE_VERT | MR_DATATYPE_LOOPTRI));
if (cache->triangles_in_order == NULL) {
const int vert_len = mesh_render_data_verts_len_get(rdata);
const int tri_len = mesh_render_data_looptri_len_get(rdata);
GPUIndexBufBuilder elb;
GPU_indexbuf_init(&elb, GPU_PRIM_TRIS, tri_len, vert_len);
if (rdata->edit_bmesh) {
for (int i = 0; i < tri_len; i++) {
const BMLoop **ltri = (const BMLoop **)rdata->edit_bmesh->looptris[i];
if (!BM_elem_flag_test(ltri[0]->f, BM_ELEM_HIDDEN)) {
for (uint tri_corner = 0; tri_corner < 3; tri_corner++) {
GPU_indexbuf_add_generic_vert(&elb, BM_elem_index_get(ltri[tri_corner]->v));
}
}
}
}
else {
for (int i = 0; i < tri_len; i++) {
const MLoopTri *mlt = &rdata->mlooptri[i];
for (uint tri_corner = 0; tri_corner < 3; tri_corner++) {
GPU_indexbuf_add_generic_vert(&elb, mlt->tri[tri_corner]);
}
}
}
cache->triangles_in_order = GPU_indexbuf_build(&elb);
}
return cache->triangles_in_order;
}
static GPUIndexBuf *mesh_batch_cache_get_loose_edges(MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & (MR_DATATYPE_VERT | MR_DATATYPE_LOOPTRI));
if (cache->ledges_in_order == NULL) {
const int vert_len = mesh_render_data_verts_len_get_maybe_mapped(rdata);
const int edge_len = mesh_render_data_edges_len_get_maybe_mapped(rdata);
/* Alloc max (edge_len) and upload only needed range. */
GPUIndexBufBuilder elb;
GPU_indexbuf_init(&elb, GPU_PRIM_LINES, edge_len, vert_len);
if (rdata->mapped.use == false) {
if (rdata->edit_bmesh) {
/* No need to support since edit mesh already draw them.
* But some engines may want them ... */
BMesh *bm = rdata->edit_bmesh->bm;
BMIter eiter;
BMEdge *eed;
BM_ITER_MESH(eed, &eiter, bm, BM_EDGES_OF_MESH) {
if (!BM_elem_flag_test(eed, BM_ELEM_HIDDEN) &&
(eed->l == NULL || !bm_edge_has_visible_face(eed)))
{
GPU_indexbuf_add_line_verts(&elb, BM_elem_index_get(eed->v1), BM_elem_index_get(eed->v2));
}
}
}
else {
for (int i = 0; i < edge_len; i++) {
const MEdge *medge = &rdata->medge[i];
if (medge->flag & ME_LOOSEEDGE) {
GPU_indexbuf_add_line_verts(&elb, medge->v1, medge->v2);
}
}
}
}
else {
/* Hidden checks are already done when creating the loose edge list. */
Mesh *me_cage = rdata->mapped.me_cage;
for (int i_iter = 0; i_iter < rdata->mapped.loose_edge_len; i_iter++) {
const int i = rdata->mapped.loose_edges[i_iter];
const MEdge *medge = &me_cage->medge[i];
GPU_indexbuf_add_line_verts(&elb, medge->v1, medge->v2);
}
}
cache->ledges_in_order = GPU_indexbuf_build(&elb);
}
return cache->ledges_in_order;
}
static GPUIndexBuf **mesh_batch_cache_get_triangles_in_order_split_by_material(
MeshRenderData *rdata, MeshBatchCache *cache,
/* Special case when drawing final evaluated mesh in editmode, so hidden faces are ignored. */
BMesh *bm_mapped, const int *p_origindex_mapped, bool use_hide)
{
BLI_assert(rdata->types & (MR_DATATYPE_VERT | MR_DATATYPE_POLY));
if (cache->shaded_triangles_in_order == NULL) {
const int poly_len = mesh_render_data_polys_len_get(rdata);
const int tri_len = mesh_render_data_looptri_len_get(rdata);
const int mat_len = mesh_render_data_mat_len_get(rdata);
int *mat_tri_len = MEM_callocN(sizeof(*mat_tri_len) * mat_len, __func__);
cache->shaded_triangles_in_order = MEM_callocN(sizeof(*cache->shaded_triangles) * mat_len, __func__);
GPUIndexBufBuilder *elb = MEM_callocN(sizeof(*elb) * mat_len, __func__);
/* Note that polygons (not triangles) are used here.
* This OK because result is _guaranteed_ to be the same. */
if (rdata->edit_bmesh) {
BMesh *bm = rdata->edit_bmesh->bm;
BMIter fiter;
BMFace *efa;
BM_ITER_MESH(efa, &fiter, bm, BM_FACES_OF_MESH) {
if (!BM_elem_flag_test(efa, BM_ELEM_HIDDEN)) {
const short ma_id = efa->mat_nr < mat_len ? efa->mat_nr : 0;
mat_tri_len[ma_id] += (efa->len - 2);
}
}
}
else if (bm_mapped == NULL) {
for (uint i = 0; i < poly_len; i++) {
const MPoly *mp = &rdata->mpoly[i];
if (!use_hide || !(mp->flag & ME_HIDE)) {
const short ma_id = mp->mat_nr < mat_len ? mp->mat_nr : 0;
mat_tri_len[ma_id] += (mp->totloop - 2);
}
}
}
else {
BM_mesh_elem_table_ensure(bm_mapped, BM_FACE);
for (uint i = 0; i < poly_len; i++) {
const int p_orig = p_origindex_mapped[i];
if ((p_orig == ORIGINDEX_NONE) ||
!BM_elem_flag_test(BM_face_at_index(bm_mapped, p_orig), BM_ELEM_HIDDEN))
{
const MPoly *mp = &rdata->mpoly[i]; ;
const short ma_id = mp->mat_nr < mat_len ? mp->mat_nr : 0;
mat_tri_len[ma_id] += (mp->totloop - 2);
}
}
}
/* Init ELBs. */
for (int i = 0; i < mat_len; i++) {
GPU_indexbuf_init(&elb[i], GPU_PRIM_TRIS, mat_tri_len[i], tri_len * 3);
}
/* Populate ELBs. */
uint nidx = 0;
if (rdata->edit_bmesh) {
BMesh *bm = rdata->edit_bmesh->bm;
BMIter fiter;
BMFace *efa;
BM_ITER_MESH(efa, &fiter, bm, BM_FACES_OF_MESH) {
if (!BM_elem_flag_test(efa, BM_ELEM_HIDDEN)) {
const short ma_id = efa->mat_nr < mat_len ? efa->mat_nr : 0;
for (int j = 2; j < efa->len; j++) {
GPU_indexbuf_add_tri_verts(&elb[ma_id], nidx + 0, nidx + 1, nidx + 2);
nidx += 3;
}
}
}
}
else if (bm_mapped == NULL) {
for (uint i = 0; i < poly_len; i++) {
const MPoly *mp = &rdata->mpoly[i];
if (!use_hide || !(mp->flag & ME_HIDE)) {
const short ma_id = mp->mat_nr < mat_len ? mp->mat_nr : 0;
for (int j = 2; j < mp->totloop; j++) {
GPU_indexbuf_add_tri_verts(&elb[ma_id], nidx + 0, nidx + 1, nidx + 2);
nidx += 3;
}
}
else {
nidx += 3 * (mp->totloop - 2);
}
}
}
else {
for (uint i = 0; i < poly_len; i++) {
const int p_orig = p_origindex_mapped[i];
const MPoly *mp = &rdata->mpoly[i];
if ((p_orig == ORIGINDEX_NONE) ||
!BM_elem_flag_test(BM_face_at_index(bm_mapped, p_orig), BM_ELEM_HIDDEN))
{
const short ma_id = mp->mat_nr < mat_len ? mp->mat_nr : 0;
for (int j = 2; j < mp->totloop; j++) {
GPU_indexbuf_add_tri_verts(&elb[ma_id], nidx + 0, nidx + 1, nidx + 2);
nidx += 3;
}
}
else {
nidx += (mp->totloop - 2) * 3;
}
}
}
/* Build ELBs. */
for (int i = 0; i < mat_len; i++) {
cache->shaded_triangles_in_order[i] = GPU_indexbuf_build(&elb[i]);
}
MEM_freeN(mat_tri_len);
MEM_freeN(elb);
}
return cache->shaded_triangles_in_order;
}
static GPUVertBuf *mesh_create_edge_pos_with_sel(
MeshRenderData *rdata, bool use_wire, bool use_select_bool, bool use_visible_bool)
{
BLI_assert(rdata->types & (MR_DATATYPE_VERT | MR_DATATYPE_EDGE | MR_DATATYPE_POLY | MR_DATATYPE_LOOP));
BLI_assert(rdata->edit_bmesh == NULL);
GPUVertBuf *vbo;
{
uint vidx = 0, cidx = 0;
static GPUVertFormat format = { 0 };
static struct { uint pos, sel; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
attr_id.sel = GPU_vertformat_attr_add(&format, "select", GPU_COMP_U8, 1, GPU_FETCH_INT);
}
const int edge_len = mesh_render_data_edges_len_get(rdata);
vbo = GPU_vertbuf_create_with_format(&format);
const int vbo_len_capacity = edge_len * 2;
int vbo_len_used = 0;
GPU_vertbuf_data_alloc(vbo, vbo_len_capacity);
if (use_select_bool) {
mesh_render_data_ensure_edge_select_bool(rdata, use_wire);
}
bool *edge_select_bool = use_select_bool ? rdata->edge_select_bool : NULL;
if (use_visible_bool) {
mesh_render_data_ensure_edge_visible_bool(rdata);
}
bool *edge_visible_bool = use_visible_bool ? rdata->edge_visible_bool : NULL;
for (int i = 0; i < edge_len; i++) {
const MEdge *ed = &rdata->medge[i];
if (use_visible_bool && !edge_visible_bool[i]) {
continue;
}
uchar edge_vert_sel;
if (use_select_bool && edge_select_bool[i]) {
edge_vert_sel = true;
}
else if (use_wire) {
edge_vert_sel = false;
}
else {
continue;
}
GPU_vertbuf_attr_set(vbo, attr_id.sel, cidx++, &edge_vert_sel);
GPU_vertbuf_attr_set(vbo, attr_id.sel, cidx++, &edge_vert_sel);
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx++, rdata->mvert[ed->v1].co);
GPU_vertbuf_attr_set(vbo, attr_id.pos, vidx++, rdata->mvert[ed->v2].co);
}
vbo_len_used = vidx;
if (vbo_len_capacity != vbo_len_used) {
GPU_vertbuf_data_resize(vbo, vbo_len_used);
}
}
return vbo;
}
static GPUIndexBuf *mesh_create_tri_overlay_weight_faces(
MeshRenderData *rdata)
{
BLI_assert(rdata->types & (MR_DATATYPE_VERT | MR_DATATYPE_LOOPTRI));
{
const int vert_len = mesh_render_data_verts_len_get(rdata);
const int tri_len = mesh_render_data_looptri_len_get(rdata);
GPUIndexBufBuilder elb;
GPU_indexbuf_init(&elb, GPU_PRIM_TRIS, tri_len, vert_len);
for (int i = 0; i < tri_len; i++) {
const MLoopTri *mlt = &rdata->mlooptri[i];
if (!(rdata->mpoly[mlt->poly].flag & (ME_FACE_SEL | ME_HIDE))) {
for (uint tri_corner = 0; tri_corner < 3; tri_corner++) {
GPU_indexbuf_add_generic_vert(&elb, rdata->mloop[mlt->tri[tri_corner]].v);
}
}
}
return GPU_indexbuf_build(&elb);
}
}
/**
* Non-edit mode vertices (only used for weight-paint mode).
*/
static GPUVertBuf *mesh_create_vert_pos_with_overlay_data(
MeshRenderData *rdata)
{
BLI_assert(rdata->types & (MR_DATATYPE_VERT));
BLI_assert(rdata->edit_bmesh == NULL);
GPUVertBuf *vbo;
{
uint cidx = 0;
static GPUVertFormat format = { 0 };
static struct { uint data; } attr_id;
if (format.attr_len == 0) {
attr_id.data = GPU_vertformat_attr_add(&format, "data", GPU_COMP_I8, 1, GPU_FETCH_INT);
}
const int vert_len = mesh_render_data_verts_len_get(rdata);
vbo = GPU_vertbuf_create_with_format(&format);
const int vbo_len_capacity = vert_len;
int vbo_len_used = 0;
GPU_vertbuf_data_alloc(vbo, vbo_len_capacity);
for (int i = 0; i < vert_len; i++) {
const MVert *mv = &rdata->mvert[i];
const char data = mv->flag & (SELECT | ME_HIDE);
GPU_vertbuf_attr_set(vbo, attr_id.data, cidx++, &data);
}
vbo_len_used = cidx;
if (vbo_len_capacity != vbo_len_used) {
GPU_vertbuf_data_resize(vbo, vbo_len_used);
}
}
return vbo;
}
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Public API
* \{ */
GPUBatch *DRW_mesh_batch_cache_get_all_edges(Mesh *me)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->all_edges == NULL) {
/* create batch from Mesh */
const int datatype = MR_DATATYPE_VERT | MR_DATATYPE_EDGE;
MeshRenderData *rdata = mesh_render_data_create(me, datatype);
cache->all_edges = GPU_batch_create(
GPU_PRIM_LINES, mesh_batch_cache_get_vert_pos_and_nor_in_order(rdata, cache),
mesh_batch_cache_get_edges_in_order(rdata, cache));
mesh_render_data_free(rdata);
}
return cache->all_edges;
}
GPUBatch *DRW_mesh_batch_cache_get_all_triangles(Mesh *me)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->all_triangles == NULL) {
/* create batch from DM */
const int datatype = MR_DATATYPE_VERT | MR_DATATYPE_LOOPTRI;
MeshRenderData *rdata = mesh_render_data_create(me, datatype);
cache->all_triangles = GPU_batch_create(
GPU_PRIM_TRIS, mesh_batch_cache_get_vert_pos_and_nor_in_order(rdata, cache),
mesh_batch_cache_get_triangles_in_order(rdata, cache));
mesh_render_data_free(rdata);
}
return cache->all_triangles;
}
GPUBatch *DRW_mesh_batch_cache_get_triangles_with_normals(Mesh *me, bool use_hide)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->triangles_with_normals == NULL) {
const int datatype = MR_DATATYPE_VERT | MR_DATATYPE_LOOPTRI | MR_DATATYPE_LOOP | MR_DATATYPE_POLY;
MeshRenderData *rdata = mesh_render_data_create(me, datatype);
cache->triangles_with_normals = GPU_batch_create(
GPU_PRIM_TRIS, mesh_batch_cache_get_tri_pos_and_normals(rdata, cache, use_hide), NULL);
mesh_render_data_free(rdata);
}
return cache->triangles_with_normals;
}
GPUBatch *DRW_mesh_batch_cache_get_loose_edges_with_normals(Mesh *me)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->ledges_with_normals == NULL) {
const int datatype = MR_DATATYPE_VERT | MR_DATATYPE_EDGE | MR_DATATYPE_LOOPTRI | MR_DATATYPE_LOOP | MR_DATATYPE_POLY;
MeshRenderData *rdata = mesh_render_data_create(me, datatype);
if (rdata->mapped.supported) {
rdata->mapped.use = true;
}
cache->ledges_with_normals = GPU_batch_create(
GPU_PRIM_LINES, mesh_batch_cache_get_vert_pos_and_nor_in_order(rdata, cache),
mesh_batch_cache_get_loose_edges(rdata, cache));
mesh_render_data_free(rdata);
}
return cache->ledges_with_normals;
}
GPUBatch *DRW_mesh_batch_cache_get_triangles_with_normals_and_weights(
Mesh *me, const struct DRW_MeshWeightState *wstate)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
mesh_batch_cache_check_vertex_group(cache, wstate);
if (cache->triangles_with_weights == NULL) {
const bool use_hide = (me->editflag & (ME_EDIT_PAINT_VERT_SEL | ME_EDIT_PAINT_FACE_SEL)) != 0;
const int datatype =
MR_DATATYPE_VERT | MR_DATATYPE_LOOPTRI | MR_DATATYPE_LOOP | MR_DATATYPE_POLY | MR_DATATYPE_DVERT;
MeshRenderData *rdata = mesh_render_data_create(me, datatype);
cache->triangles_with_weights = GPU_batch_create_ex(
GPU_PRIM_TRIS, mesh_create_tri_weights(rdata, use_hide, wstate), NULL, GPU_BATCH_OWNS_VBO);
DRW_mesh_weight_state_copy(&cache->weight_state, wstate);
GPUVertBuf *vbo_tris = mesh_batch_cache_get_tri_pos_and_normals(rdata, cache, use_hide);
GPU_batch_vertbuf_add(cache->triangles_with_weights, vbo_tris);
mesh_render_data_free(rdata);
}
return cache->triangles_with_weights;
}
GPUBatch *DRW_mesh_batch_cache_get_triangles_with_normals_and_vert_colors(Mesh *me)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->triangles_with_vert_colors == NULL) {
const bool use_hide = (me->editflag & (ME_EDIT_PAINT_VERT_SEL | ME_EDIT_PAINT_FACE_SEL)) != 0;
const int datatype =
MR_DATATYPE_VERT | MR_DATATYPE_LOOPTRI | MR_DATATYPE_LOOP | MR_DATATYPE_POLY | MR_DATATYPE_LOOPCOL;
MeshRenderData *rdata = mesh_render_data_create(me, datatype);
cache->triangles_with_vert_colors = GPU_batch_create_ex(
GPU_PRIM_TRIS, mesh_create_tri_vert_colors(rdata, use_hide), NULL, GPU_BATCH_OWNS_VBO);
GPUVertBuf *vbo_tris = mesh_batch_cache_get_tri_pos_and_normals(rdata, cache, use_hide);
GPU_batch_vertbuf_add(cache->triangles_with_vert_colors, vbo_tris);
mesh_render_data_free(rdata);
}
return cache->triangles_with_vert_colors;
}
struct GPUBatch *DRW_mesh_batch_cache_get_triangles_with_select_id(
struct Mesh *me, bool use_hide, uint select_id_offset)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->triangles_with_select_id_offset != select_id_offset) {
cache->triangles_with_select_id_offset = select_id_offset;
GPU_BATCH_DISCARD_SAFE(cache->triangles_with_select_id);
}
if (cache->triangles_with_select_id == NULL) {
const int datatype =
MR_DATATYPE_VERT | MR_DATATYPE_LOOPTRI | MR_DATATYPE_LOOP | MR_DATATYPE_POLY;
MeshRenderData *rdata = mesh_render_data_create(me, datatype);
if (rdata->mapped.supported) {
rdata->mapped.use = true;
}
cache->triangles_with_select_id = GPU_batch_create_ex(
GPU_PRIM_TRIS, mesh_create_tri_select_id(rdata, use_hide, select_id_offset), NULL, GPU_BATCH_OWNS_VBO);
GPUVertBuf *vbo_tris = mesh_batch_cache_get_tri_pos_and_normals(rdata, cache, use_hide);
GPU_batch_vertbuf_add(cache->triangles_with_select_id, vbo_tris);
mesh_render_data_free(rdata);
}
return cache->triangles_with_select_id;
}
/**
* Same as #DRW_mesh_batch_cache_get_triangles_with_select_id
* without the ID's, use to mask out geometry, eg - dont select face-dots behind other faces.
*/
struct GPUBatch *DRW_mesh_batch_cache_get_triangles_with_select_mask(struct Mesh *me, bool use_hide)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->triangles_with_select_mask == NULL) {
const int datatype =
MR_DATATYPE_VERT | MR_DATATYPE_LOOPTRI | MR_DATATYPE_LOOP | MR_DATATYPE_POLY;
MeshRenderData *rdata = mesh_render_data_create(me, datatype);
if (rdata->mapped.supported) {
rdata->mapped.use = true;
}
GPUVertBuf *vbo_tris = mesh_batch_cache_get_tri_pos_and_normals(rdata, cache, use_hide);
cache->triangles_with_select_mask = GPU_batch_create(
GPU_PRIM_TRIS, vbo_tris, NULL);
mesh_render_data_free(rdata);
}
return cache->triangles_with_select_mask;
}
GPUBatch *DRW_mesh_batch_cache_get_points_with_normals(Mesh *me)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->points_with_normals == NULL) {
const int datatype = MR_DATATYPE_VERT | MR_DATATYPE_LOOPTRI | MR_DATATYPE_LOOP | MR_DATATYPE_POLY;
MeshRenderData *rdata = mesh_render_data_create(me, datatype);
cache->points_with_normals = GPU_batch_create(
GPU_PRIM_POINTS, mesh_batch_cache_get_tri_pos_and_normals(rdata, cache, false), NULL);
mesh_render_data_free(rdata);
}
return cache->points_with_normals;
}
GPUBatch *DRW_mesh_batch_cache_get_all_verts(Mesh *me)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->all_verts == NULL) {
/* create batch from DM */
MeshRenderData *rdata = mesh_render_data_create(me, MR_DATATYPE_VERT);
cache->all_verts = GPU_batch_create(
GPU_PRIM_POINTS, mesh_batch_cache_get_vert_pos_and_nor_in_order(rdata, cache), NULL);
mesh_render_data_free(rdata);
}
return cache->all_verts;
}
GPUBatch *DRW_mesh_batch_cache_get_fancy_edges(Mesh *me)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->fancy_edges == NULL) {
/* create batch from DM */
static GPUVertFormat format = { 0 };
static struct { uint pos, n1, n2; } attr_id;
if (format.attr_len == 0) {
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
attr_id.n1 = GPU_vertformat_attr_add(&format, "N1", GPU_COMP_I10, 3, GPU_FETCH_INT_TO_FLOAT_UNIT);
attr_id.n2 = GPU_vertformat_attr_add(&format, "N2", GPU_COMP_I10, 3, GPU_FETCH_INT_TO_FLOAT_UNIT);
}
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
MeshRenderData *rdata = mesh_render_data_create(
me, MR_DATATYPE_VERT | MR_DATATYPE_EDGE | MR_DATATYPE_LOOP | MR_DATATYPE_POLY);
const int edge_len = mesh_render_data_edges_len_get(rdata);
const int vbo_len_capacity = edge_len * 2; /* these are PRIM_LINE verts, not mesh verts */
int vbo_len_used = 0;
GPU_vertbuf_data_alloc(vbo, vbo_len_capacity);
for (int i = 0; i < edge_len; i++) {
float *vcos1, *vcos2;
float *pnor1 = NULL, *pnor2 = NULL;
bool is_manifold;
if (mesh_render_data_edge_vcos_manifold_pnors(rdata, i, &vcos1, &vcos2, &pnor1, &pnor2, &is_manifold)) {
GPUPackedNormal n1value = { .x = 0, .y = 0, .z = +511 };
GPUPackedNormal n2value = { .x = 0, .y = 0, .z = -511 };
if (is_manifold) {
n1value = GPU_normal_convert_i10_v3(pnor1);
n2value = GPU_normal_convert_i10_v3(pnor2);
}
const GPUPackedNormal *n1 = &n1value;
const GPUPackedNormal *n2 = &n2value;
GPU_vertbuf_attr_set(vbo, attr_id.pos, 2 * i, vcos1);
GPU_vertbuf_attr_set(vbo, attr_id.n1, 2 * i, n1);
GPU_vertbuf_attr_set(vbo, attr_id.n2, 2 * i, n2);
GPU_vertbuf_attr_set(vbo, attr_id.pos, 2 * i + 1, vcos2);
GPU_vertbuf_attr_set(vbo, attr_id.n1, 2 * i + 1, n1);
GPU_vertbuf_attr_set(vbo, attr_id.n2, 2 * i + 1, n2);
vbo_len_used += 2;
}
}
if (vbo_len_used != vbo_len_capacity) {
GPU_vertbuf_data_resize(vbo, vbo_len_used);
}
cache->fancy_edges = GPU_batch_create_ex(GPU_PRIM_LINES, vbo, NULL, GPU_BATCH_OWNS_VBO);
mesh_render_data_free(rdata);
}
return cache->fancy_edges;
}
GPUBatch *DRW_mesh_batch_cache_get_edge_detection(Mesh *me, bool *r_is_manifold)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->edge_detection == NULL) {
const int options = MR_DATATYPE_VERT | MR_DATATYPE_LOOP | MR_DATATYPE_LOOPTRI;
MeshRenderData *rdata = mesh_render_data_create(me, options);
cache->edge_detection = GPU_batch_create_ex(
GPU_PRIM_LINES_ADJ, mesh_batch_cache_get_vert_pos_and_nor_in_order(rdata, cache),
mesh_batch_cache_get_edges_adjacency(rdata, cache), 0);
mesh_render_data_free(rdata);
}
if (r_is_manifold) {
*r_is_manifold = cache->is_manifold;
}
return cache->edge_detection;
}
void DRW_mesh_batch_cache_get_wireframes_face_texbuf(
Mesh *me, GPUTexture **verts_data, GPUTexture **face_indices, int *tri_count, bool reduce_len)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (!cache->edges_face_reduce_len && reduce_len) {
GPU_VERTBUF_DISCARD_SAFE(cache->edges_face_overlay);
DRW_TEXTURE_FREE_SAFE(cache->edges_face_overlay_tx);
}
if (cache->edges_face_overlay_tx == NULL || cache->pos_in_order_tx == NULL) {
const int options = MR_DATATYPE_VERT | MR_DATATYPE_EDGE | MR_DATATYPE_LOOP | MR_DATATYPE_LOOPTRI;
/* Hack to show the final result. */
const bool use_em_final = (
me->edit_btmesh &&
me->edit_btmesh->mesh_eval_final &&
(me->edit_btmesh->mesh_eval_final->runtime.is_original == false));
Mesh me_fake;
if (use_em_final) {
me_fake = *me->edit_btmesh->mesh_eval_final;
me_fake.mat = me->mat;
me_fake.totcol = me->totcol;
me = &me_fake;
}
MeshRenderData *rdata = mesh_render_data_create(me, options);
mesh_batch_cache_get_edges_overlay_texture_buf(rdata, cache, reduce_len);
mesh_batch_cache_get_vert_pos_and_nor_in_order_buf(rdata, cache);
mesh_render_data_free(rdata);
}
*tri_count = reduce_len ? cache->edges_face_overlay_tri_count_low : cache->edges_face_overlay_tri_count;
*face_indices = cache->edges_face_overlay_tx;
*verts_data = cache->pos_in_order_tx;
}
static void mesh_batch_cache_create_overlay_batches(Mesh *me)
{
BLI_assert(me->edit_btmesh != NULL);
/* Since MR_DATATYPE_OVERLAY is slow to generate, generate them all at once */
const int options =
MR_DATATYPE_VERT | MR_DATATYPE_EDGE | MR_DATATYPE_LOOP | MR_DATATYPE_POLY |
MR_DATATYPE_LOOPTRI | MR_DATATYPE_OVERLAY;
MeshBatchCache *cache = mesh_batch_cache_get(me);
MeshRenderData *rdata = mesh_render_data_create(me, options);
if (rdata->mapped.supported) {
rdata->mapped.use = true;
}
if (cache->overlay_triangles == NULL) {
cache->overlay_triangles = GPU_batch_create(
GPU_PRIM_TRIS, mesh_batch_cache_get_edit_tri_pos(rdata, cache), NULL);
GPU_batch_vertbuf_add(cache->overlay_triangles, mesh_batch_cache_get_edit_tri_nor(rdata, cache));
GPU_batch_vertbuf_add(cache->overlay_triangles, mesh_batch_cache_get_edit_tri_data(rdata, cache));
}
if (cache->overlay_loose_edges == NULL) {
cache->overlay_loose_edges = GPU_batch_create(
GPU_PRIM_LINES, mesh_batch_cache_get_edit_ledge_pos(rdata, cache), NULL);
GPU_batch_vertbuf_add(cache->overlay_loose_edges, mesh_batch_cache_get_edit_ledge_nor(rdata, cache));
GPU_batch_vertbuf_add(cache->overlay_loose_edges, mesh_batch_cache_get_edit_ledge_data(rdata, cache));
}
if (cache->overlay_loose_verts == NULL) {
cache->overlay_loose_verts = GPU_batch_create(
GPU_PRIM_POINTS, mesh_batch_cache_get_edit_lvert_pos(rdata, cache), NULL);
GPU_batch_vertbuf_add(cache->overlay_loose_verts, mesh_batch_cache_get_edit_lvert_nor(rdata, cache));
GPU_batch_vertbuf_add(cache->overlay_loose_verts, mesh_batch_cache_get_edit_lvert_data(rdata, cache));
}
/* Also used for vertices display */
if (cache->overlay_triangles_nor == NULL) {
cache->overlay_triangles_nor = GPU_batch_create(
GPU_PRIM_POINTS, mesh_batch_cache_get_edit_tri_pos(rdata, cache),
mesh_batch_cache_get_edit_tri_indices(rdata, cache));
GPU_batch_vertbuf_add(cache->overlay_triangles_nor, mesh_batch_cache_get_edit_tri_nor(rdata, cache));
GPU_batch_vertbuf_add(cache->overlay_triangles_nor, mesh_batch_cache_get_edit_tri_data(rdata, cache));
}
if (cache->overlay_triangles_lnor == NULL) {
cache->overlay_triangles_lnor = GPU_batch_create(
GPU_PRIM_POINTS, mesh_batch_cache_get_edit_tri_pos(rdata, cache), NULL);
GPU_batch_vertbuf_add(cache->overlay_triangles_lnor, mesh_batch_cache_get_edit_tri_nor(rdata, cache));
GPU_batch_vertbuf_add(cache->overlay_triangles_lnor, mesh_batch_cache_get_edit_tri_data(rdata, cache));
}
if (cache->overlay_loose_edges_nor == NULL) {
cache->overlay_loose_edges_nor = GPU_batch_create(
GPU_PRIM_POINTS, mesh_batch_cache_get_edit_ledge_pos(rdata, cache), NULL);
GPU_batch_vertbuf_add(cache->overlay_loose_edges_nor, mesh_batch_cache_get_edit_ledge_nor(rdata, cache));
GPU_batch_vertbuf_add(cache->overlay_loose_edges_nor, mesh_batch_cache_get_edit_ledge_data(rdata, cache));
}
mesh_render_data_free(rdata);
}
GPUBatch *DRW_mesh_batch_cache_get_overlay_triangles(Mesh *me)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->overlay_triangles == NULL) {
mesh_batch_cache_create_overlay_batches(me);
}
return cache->overlay_triangles;
}
GPUTexture *DRW_mesh_batch_cache_get_overlay_data_tex(Mesh *me)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->ed_tri_data_tx == NULL) {
mesh_batch_cache_create_overlay_batches(me);
}
return cache->ed_tri_data_tx;
}
GPUBatch *DRW_mesh_batch_cache_get_overlay_loose_edges(Mesh *me)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->overlay_loose_edges == NULL) {
mesh_batch_cache_create_overlay_batches(me);
}
return cache->overlay_loose_edges;
}
GPUBatch *DRW_mesh_batch_cache_get_overlay_loose_verts(Mesh *me)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->overlay_loose_verts == NULL) {
mesh_batch_cache_create_overlay_batches(me);
}
return cache->overlay_loose_verts;
}
GPUBatch *DRW_mesh_batch_cache_get_overlay_triangles_nor(Mesh *me)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->overlay_triangles_nor == NULL) {
mesh_batch_cache_create_overlay_batches(me);
}
return cache->overlay_triangles_nor;
}
GPUBatch *DRW_mesh_batch_cache_get_overlay_triangles_lnor(Mesh *me)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->overlay_triangles_lnor == NULL) {
mesh_batch_cache_create_overlay_batches(me);
}
return cache->overlay_triangles_lnor;
}
GPUBatch *DRW_mesh_batch_cache_get_overlay_loose_edges_nor(Mesh *me)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->overlay_loose_edges_nor == NULL) {
mesh_batch_cache_create_overlay_batches(me);
}
return cache->overlay_loose_edges_nor;
}
GPUBatch *DRW_mesh_batch_cache_get_overlay_facedots(Mesh *me)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->overlay_facedots == NULL) {
MeshRenderData *rdata = mesh_render_data_create(me, MR_DATATYPE_VERT | MR_DATATYPE_LOOP | MR_DATATYPE_POLY);
cache->overlay_facedots = GPU_batch_create(
GPU_PRIM_POINTS, mesh_batch_cache_get_facedot_pos_with_normals_and_flag(rdata, cache), NULL);
mesh_render_data_free(rdata);
}
return cache->overlay_facedots;
}
GPUBatch *DRW_mesh_batch_cache_get_facedots_with_select_id(Mesh *me, uint select_id_offset)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->facedot_with_select_id_offset != select_id_offset) {
cache->facedot_with_select_id_offset = select_id_offset;
GPU_BATCH_DISCARD_SAFE(cache->edges_with_select_id);
}
if (cache->facedot_with_select_id == NULL) {
MeshRenderData *rdata = mesh_render_data_create(me, MR_DATATYPE_VERT | MR_DATATYPE_LOOP | MR_DATATYPE_POLY);
/* We only want the 'pos', not the normals or flag.
* Use since this is almost certainly already created. */
cache->facedot_with_select_id = GPU_batch_create(
GPU_PRIM_POINTS, mesh_batch_cache_get_facedot_pos_with_normals_and_flag(rdata, cache), NULL);
GPU_batch_vertbuf_add_ex(
cache->facedot_with_select_id,
mesh_create_facedot_select_id(rdata, select_id_offset), true);
mesh_render_data_free(rdata);
}
return cache->facedot_with_select_id;
}
GPUBatch *DRW_mesh_batch_cache_get_edges_with_select_id(Mesh *me, uint select_id_offset)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->edges_with_select_id_offset != select_id_offset) {
cache->edges_with_select_id_offset = select_id_offset;
GPU_BATCH_DISCARD_SAFE(cache->edges_with_select_id);
}
if (cache->edges_with_select_id == NULL) {
MeshRenderData *rdata = mesh_render_data_create(me, MR_DATATYPE_VERT | MR_DATATYPE_EDGE);
if (rdata->mapped.supported) {
rdata->mapped.use = true;
}
cache->edges_with_select_id = GPU_batch_create(
GPU_PRIM_LINES, mesh_batch_cache_get_edges_visible(rdata, cache), NULL);
GPU_batch_vertbuf_add_ex(
cache->edges_with_select_id,
mesh_create_edges_select_id(rdata, select_id_offset), true);
mesh_render_data_free(rdata);
}
return cache->edges_with_select_id;
}
GPUBatch *DRW_mesh_batch_cache_get_verts_with_select_id(Mesh *me, uint select_id_offset)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->verts_with_select_id_offset != select_id_offset) {
cache->verts_with_select_id_offset = select_id_offset;
GPU_BATCH_DISCARD_SAFE(cache->verts_with_select_id);
}
if (cache->verts_with_select_id == NULL) {
MeshRenderData *rdata = mesh_render_data_create(me, MR_DATATYPE_VERT);
if (rdata->mapped.supported) {
rdata->mapped.use = true;
}
cache->verts_with_select_id = GPU_batch_create(
GPU_PRIM_POINTS, mesh_batch_cache_get_verts_visible(rdata, cache), NULL);
GPU_batch_vertbuf_add_ex(
cache->verts_with_select_id,
mesh_create_verts_select_id(rdata, select_id_offset), true);
mesh_render_data_free(rdata);
}
return cache->verts_with_select_id;
}
GPUBatch **DRW_mesh_batch_cache_get_surface_shaded(
Mesh *me, struct GPUMaterial **gpumat_array, uint gpumat_array_len, bool use_hide,
char **auto_layer_names, int **auto_layer_is_srgb, int *auto_layer_count)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->shaded_triangles == NULL) {
/* Hack to show the final result. */
BMesh *bm_mapped = NULL;
const int *p_origindex = NULL;
const bool use_em_final = (
me->edit_btmesh &&
me->edit_btmesh->mesh_eval_final &&
(me->edit_btmesh->mesh_eval_final->runtime.is_original == false));
Mesh me_fake;
if (use_em_final) {
/* Pass in mapped args. */
bm_mapped = me->edit_btmesh->bm;
p_origindex = CustomData_get_layer(&me->edit_btmesh->mesh_eval_final->pdata, CD_ORIGINDEX);
if (p_origindex == NULL) {
bm_mapped = NULL;
}
me_fake = *me->edit_btmesh->mesh_eval_final;
me_fake.mat = me->mat;
me_fake.totcol = me->totcol;
me = &me_fake;
}
/* create batch from DM */
const int datatype =
MR_DATATYPE_VERT | MR_DATATYPE_LOOP | MR_DATATYPE_LOOPTRI |
MR_DATATYPE_POLY | MR_DATATYPE_SHADING;
MeshRenderData *rdata = mesh_render_data_create_ex(me, datatype, gpumat_array, gpumat_array_len);
const int mat_len = mesh_render_data_mat_len_get(rdata);
cache->shaded_triangles = MEM_callocN(sizeof(*cache->shaded_triangles) * mat_len, __func__);
GPUIndexBuf **el = mesh_batch_cache_get_triangles_in_order_split_by_material(
rdata, cache,
bm_mapped, p_origindex, use_hide);
GPUVertBuf *vbo = mesh_batch_cache_get_tri_pos_and_normals(rdata, cache, false);
GPUVertBuf *vbo_shading = mesh_batch_cache_get_tri_shading_data(rdata, cache);
for (int i = 0; i < mat_len; i++) {
cache->shaded_triangles[i] = GPU_batch_create(
GPU_PRIM_TRIS, vbo, el[i]);
if (vbo_shading) {
GPU_batch_vertbuf_add(cache->shaded_triangles[i], vbo_shading);
}
}
mesh_render_data_free(rdata);
}
if (auto_layer_names) {
*auto_layer_names = cache->auto_layer_names;
*auto_layer_is_srgb = cache->auto_layer_is_srgb;
*auto_layer_count = cache->auto_layer_len;
}
return cache->shaded_triangles;
}
GPUBatch **DRW_mesh_batch_cache_get_surface_texpaint(Mesh *me, bool use_hide)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->texpaint_triangles == NULL) {
/* create batch from DM */
const int datatype =
MR_DATATYPE_VERT | MR_DATATYPE_LOOP | MR_DATATYPE_POLY | MR_DATATYPE_LOOPTRI | MR_DATATYPE_LOOPUV;
/* Hack to show the final result. */
const bool use_em_final = (
me->edit_btmesh &&
me->edit_btmesh->mesh_eval_final &&
(me->edit_btmesh->mesh_eval_final->runtime.is_original == false));
Mesh me_fake;
if (use_em_final) {
me_fake = *me->edit_btmesh->mesh_eval_final;
me_fake.mat = me->mat;
me_fake.totcol = me->totcol;
me = &me_fake;
}
MeshRenderData *rdata = mesh_render_data_create(me, datatype);
const int mat_len = mesh_render_data_mat_len_get(rdata);
cache->texpaint_triangles = MEM_callocN(sizeof(*cache->texpaint_triangles) * mat_len, __func__);
GPUIndexBuf **el = mesh_batch_cache_get_triangles_in_order_split_by_material(rdata, cache, NULL, NULL, use_hide);
GPUVertBuf *vbo = mesh_batch_cache_get_tri_pos_and_normals(rdata, cache, false);
for (int i = 0; i < mat_len; i++) {
cache->texpaint_triangles[i] = GPU_batch_create(
GPU_PRIM_TRIS, vbo, el[i]);
GPUVertBuf *vbo_uv = mesh_batch_cache_get_tri_uv_active(rdata, cache);
if (vbo_uv) {
GPU_batch_vertbuf_add(cache->texpaint_triangles[i], vbo_uv);
}
}
mesh_render_data_free(rdata);
}
return cache->texpaint_triangles;
}
GPUBatch *DRW_mesh_batch_cache_get_surface_texpaint_single(Mesh *me)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->texpaint_triangles_single == NULL) {
/* create batch from DM */
const int datatype =
MR_DATATYPE_VERT | MR_DATATYPE_LOOP | MR_DATATYPE_POLY | MR_DATATYPE_LOOPTRI | MR_DATATYPE_LOOPUV;
MeshRenderData *rdata = mesh_render_data_create(me, datatype);
GPUVertBuf *vbo = mesh_batch_cache_get_tri_pos_and_normals(rdata, cache, false);
cache->texpaint_triangles_single = GPU_batch_create(
GPU_PRIM_TRIS, vbo, NULL);
GPUVertBuf *vbo_uv = mesh_batch_cache_get_tri_uv_active(rdata, cache);
if (vbo_uv) {
GPU_batch_vertbuf_add(cache->texpaint_triangles_single, vbo_uv);
}
mesh_render_data_free(rdata);
}
return cache->texpaint_triangles_single;
}
GPUBatch *DRW_mesh_batch_cache_get_texpaint_loop_wire(Mesh *me)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->texpaint_uv_loops == NULL) {
/* create batch from DM */
const int datatype = MR_DATATYPE_LOOP | MR_DATATYPE_POLY | MR_DATATYPE_LOOPUV;
MeshRenderData *rdata = mesh_render_data_create(me, datatype);
const MLoopUV *mloopuv_base = rdata->mloopuv;
if (mloopuv_base == NULL) {
return NULL;
}
uint vidx = 0;
static GPUVertFormat format = { 0 };
static struct { uint uv; } attr_id;
if (format.attr_len == 0) {
attr_id.uv = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
}
const uint vert_len = mesh_render_data_loops_len_get(rdata);
const uint poly_len = mesh_render_data_polys_len_get(rdata);
const uint idx_len = vert_len + poly_len;
GPUIndexBufBuilder elb;
GPU_indexbuf_init_ex(&elb, GPU_PRIM_LINE_LOOP, idx_len, vert_len, true);
GPUVertBuf *vbo = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(vbo, vert_len);
const MPoly *mpoly = rdata->mpoly;
for (int a = 0; a < poly_len; a++, mpoly++) {
const MLoopUV *mloopuv = mloopuv_base + mpoly->loopstart;
for (int b = 0; b < mpoly->totloop; b++, mloopuv++) {
GPU_vertbuf_attr_set(vbo, attr_id.uv, vidx, mloopuv->uv);
GPU_indexbuf_add_generic_vert(&elb, vidx++);
}
GPU_indexbuf_add_primitive_restart(&elb);
}
cache->texpaint_uv_loops = GPU_batch_create_ex(GPU_PRIM_LINE_LOOP,
vbo, GPU_indexbuf_build(&elb),
GPU_BATCH_OWNS_VBO | GPU_BATCH_OWNS_INDEX);
gpu_batch_presets_register(cache->texpaint_uv_loops);
mesh_render_data_free(rdata);
}
return cache->texpaint_uv_loops;
}
GPUBatch *DRW_mesh_batch_cache_get_weight_overlay_edges(Mesh *me, bool use_wire, bool use_sel, bool use_hide)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->overlay_paint_edges == NULL) {
/* create batch from Mesh */
const int datatype = MR_DATATYPE_VERT | MR_DATATYPE_EDGE | MR_DATATYPE_POLY | MR_DATATYPE_LOOP;
MeshRenderData *rdata = mesh_render_data_create(me, datatype);
cache->overlay_paint_edges = GPU_batch_create_ex(
GPU_PRIM_LINES, mesh_create_edge_pos_with_sel(rdata, use_wire, use_sel, use_hide), NULL, GPU_BATCH_OWNS_VBO);
mesh_render_data_free(rdata);
}
return cache->overlay_paint_edges;
}
GPUBatch *DRW_mesh_batch_cache_get_weight_overlay_faces(Mesh *me)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->overlay_weight_faces == NULL) {
/* create batch from Mesh */
const int datatype = MR_DATATYPE_VERT | MR_DATATYPE_POLY | MR_DATATYPE_LOOP | MR_DATATYPE_LOOPTRI;
MeshRenderData *rdata = mesh_render_data_create(me, datatype);
cache->overlay_weight_faces = GPU_batch_create_ex(
GPU_PRIM_TRIS, mesh_batch_cache_get_vert_pos_and_nor_in_order(rdata, cache),
mesh_create_tri_overlay_weight_faces(rdata), GPU_BATCH_OWNS_INDEX);
mesh_render_data_free(rdata);
}
return cache->overlay_weight_faces;
}
GPUBatch *DRW_mesh_batch_cache_get_weight_overlay_verts(Mesh *me)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->overlay_weight_verts == NULL) {
/* create batch from Mesh */
MeshRenderData *rdata = mesh_render_data_create(me, MR_DATATYPE_VERT);
cache->overlay_weight_verts = GPU_batch_create(
GPU_PRIM_POINTS, mesh_batch_cache_get_vert_pos_and_nor_in_order(rdata, cache), NULL);
GPU_batch_vertbuf_add_ex(
cache->overlay_weight_verts,
mesh_create_vert_pos_with_overlay_data(rdata), true);
mesh_render_data_free(rdata);
}
return cache->overlay_weight_verts;
}
/**
* Needed for when we draw with shaded data.
*/
void DRW_mesh_cache_sculpt_coords_ensure(Mesh *me)
{
if (me->runtime.batch_cache) {
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache && cache->pos_with_normals && cache->is_sculpt_points_tag) {
/* XXX Force update of all the batches that contains the pos_with_normals buffer.
* TODO(fclem): Ideally, Gawain should provide a way to update a buffer without destroying it. */
mesh_batch_cache_clear_selective(me, cache->pos_with_normals);
GPU_VERTBUF_DISCARD_SAFE(cache->pos_with_normals);
}
cache->is_sculpt_points_tag = false;
}
}
static uchar mesh_batch_cache_validate_edituvs(MeshBatchCache *cache, uchar state)
{
if ((cache->edituv_state & UVEDIT_SYNC_SEL) != (state & UVEDIT_SYNC_SEL)) {
mesh_batch_cache_discard_uvedit(cache);
return state;
}
else {
return ((cache->edituv_state & state) ^ state);
}
}
/* Compute 3D & 2D areas and their sum. */
BLI_INLINE void edit_uv_preprocess_stretch_area(
float (*tf_uv)[2], BMFace *efa, const float asp[2], const int cd_loop_uv_offset, uint fidx,
float *totarea, float *totuvarea, float (*faces_areas)[2])
{
BMLoop *l;
BMIter liter;
int i;
BM_ITER_ELEM_INDEX(l, &liter, efa, BM_LOOPS_OF_FACE, i) {
MLoopUV *luv = BM_ELEM_CD_GET_VOID_P(l, cd_loop_uv_offset);
mul_v2_v2v2(tf_uv[i], luv->uv, asp);
}
faces_areas[fidx][0] = BM_face_calc_area(efa);
faces_areas[fidx][1] = area_poly_v2(tf_uv, efa->len);
*totarea += faces_areas[fidx][0];
*totuvarea += faces_areas[fidx][1];
}
BLI_INLINE float edit_uv_get_stretch_area(float area, float uvarea)
{
if (area < FLT_EPSILON || uvarea < FLT_EPSILON) {
return 1.0f;
}
else if (area > uvarea) {
return 1.0f - (uvarea / area);
}
else {
return 1.0f - (area / uvarea);
}
}
/* Compute face's normalized contour vectors. */
BLI_INLINE void edit_uv_preprocess_stretch_angle(
float (*auv)[2], float (*av)[3], const int cd_loop_uv_offset, BMFace *efa, float asp[2])
{
BMLoop *l;
BMIter liter;
int i;
BM_ITER_ELEM_INDEX(l, &liter, efa, BM_LOOPS_OF_FACE, i) {
MLoopUV *luv = BM_ELEM_CD_GET_VOID_P(l, cd_loop_uv_offset);
MLoopUV *luv_prev = BM_ELEM_CD_GET_VOID_P(l->prev, cd_loop_uv_offset);
sub_v2_v2v2(auv[i], luv_prev->uv, luv->uv);
mul_v2_v2(auv[i], asp);
normalize_v2(auv[i]);
sub_v3_v3v3(av[i], l->prev->v->co, l->v->co);
normalize_v3(av[i]);
}
}
BLI_INLINE float edit_uv_get_loop_stretch_angle(
const float auv0[2], const float auv1[2], const float av0[3], const float av1[3])
{
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);
}
#define VERTEX_SELECT (1 << 0)
#define VERTEX_PINNED (1 << 1)
#define FACE_SELECT (1 << 2)
#define FACE_ACTIVE (1 << 3)
#define EDGE_SELECT (1 << 4)
BLI_INLINE uchar edit_uv_get_face_flag(BMFace *efa, BMFace *efa_act, const int cd_loop_uv_offset, Scene *scene)
{
uchar flag = 0;
flag |= uvedit_face_select_test(scene, efa, cd_loop_uv_offset) ? FACE_SELECT : 0;
flag |= (efa == efa_act) ? FACE_ACTIVE : 0;
return flag;
}
BLI_INLINE uchar edit_uv_get_loop_flag(BMLoop *l, const int cd_loop_uv_offset, Scene *scene)
{
MLoopUV *luv = BM_ELEM_CD_GET_VOID_P(l, cd_loop_uv_offset);
uchar flag = 0;
flag |= uvedit_uv_select_test(scene, l, cd_loop_uv_offset) ? VERTEX_SELECT : 0;
flag |= uvedit_edge_select_test(scene, l, cd_loop_uv_offset) ? EDGE_SELECT : 0;
flag |= (luv->flag & MLOOPUV_PINNED) ? VERTEX_PINNED : 0;
return flag;
}
static struct EditUVFormatIndex {
uint uvs, area, angle, flag, fdots_uvs, fdots_flag;
} uv_attr_id = {0};
static void uvedit_fill_buffer_data(
Object *ob, struct SpaceImage *sima, Scene *scene, uchar state, MeshBatchCache *cache,
GPUIndexBufBuilder *elb_faces, GPUIndexBufBuilder *elb_edges, GPUVertBuf **facedots_vbo)
{
Mesh *me = ob->data;
BMEditMesh *embm = me->edit_btmesh;
BMesh *bm = embm->bm;
BMIter iter, liter;
BMFace *efa;
BMLoop *l;
MLoopUV *luv;
uint vidx, fidx, i;
float (*faces_areas)[2] = NULL;
float asp[2];
float totarea = 0.0f, totuvarea = 0.0f;
const int cd_loop_uv_offset = CustomData_get_offset(&bm->ldata, CD_MLOOPUV);
Image *ima = sima->image;
BMFace *efa_act = EDBM_uv_active_face_get(embm, false, false); /* will be set to NULL if hidden */
if (state & (UVEDIT_STRETCH_AREA | UVEDIT_STRETCH_ANGLE)) {
ED_space_image_get_uv_aspect(sima, &asp[0], &asp[1]);
}
BLI_buffer_declare_static(vec3f, vec3_buf, BLI_BUFFER_NOP, BM_DEFAULT_NGON_STACK_SIZE);
BLI_buffer_declare_static(vec2f, vec2_buf, BLI_BUFFER_NOP, BM_DEFAULT_NGON_STACK_SIZE);
if (state & UVEDIT_STRETCH_AREA) {
faces_areas = MEM_mallocN(sizeof(float) * 2 * bm->totface, "EDITUV faces areas");
}
/* Preprocess */
fidx = 0;
BM_ITER_MESH(efa, &iter, bm, BM_FACES_OF_MESH) {
/* Tag hidden faces */
BM_elem_flag_set(efa, BM_ELEM_TAG, uvedit_face_visible_test(scene, ob, ima, efa));
if ((state & UVEDIT_STRETCH_AREA) &&
BM_elem_flag_test(efa, BM_ELEM_TAG))
{
const int efa_len = efa->len;
float (*tf_uv)[2] = (float (*)[2])BLI_buffer_reinit_data(&vec2_buf, vec2f, efa_len);
edit_uv_preprocess_stretch_area(tf_uv, efa, asp, cd_loop_uv_offset, fidx++,
&totarea, &totuvarea, faces_areas);
}
}
vidx = 0;
fidx = 0;
BM_ITER_MESH(efa, &iter, bm, BM_FACES_OF_MESH) {
const int efa_len = efa->len;
float fdot[2] = {0.0f, 0.0f};
float (*av)[3], (*auv)[2];
ushort area_stretch;
/* Skip hidden faces. */
if (!BM_elem_flag_test(efa, BM_ELEM_TAG))
continue;
uchar face_flag = edit_uv_get_face_flag(efa, efa_act, cd_loop_uv_offset, scene);
/* Face preprocess */
if (state & UVEDIT_STRETCH_AREA) {
area_stretch = edit_uv_get_stretch_area(faces_areas[fidx][0] / totarea,
faces_areas[fidx][1] / totuvarea) * 65534.0f;
}
if (state & UVEDIT_STRETCH_ANGLE) {
av = (float (*)[3])BLI_buffer_reinit_data(&vec3_buf, vec3f, efa_len);
auv = (float (*)[2])BLI_buffer_reinit_data(&vec2_buf, vec2f, efa_len);
edit_uv_preprocess_stretch_angle(auv, av, cd_loop_uv_offset, efa, asp);
}
BM_ITER_ELEM_INDEX(l, &liter, efa, BM_LOOPS_OF_FACE, i) {
luv = BM_ELEM_CD_GET_VOID_P(l, cd_loop_uv_offset);
uchar flag = face_flag | edit_uv_get_loop_flag(l, cd_loop_uv_offset, scene);
if (state & UVEDIT_STRETCH_AREA) {
GPU_vertbuf_attr_set(cache->edituv_area, uv_attr_id.area, vidx, &area_stretch);
}
if (state & UVEDIT_STRETCH_ANGLE) {
ushort angle = 65534.0f * edit_uv_get_loop_stretch_angle(auv[i], auv[(i + 1) % efa_len],
av[i], av[(i + 1) % efa_len]);
GPU_vertbuf_attr_set(cache->edituv_angle, uv_attr_id.angle, vidx, &angle);
}
if (state & UVEDIT_EDGES) {
GPU_vertbuf_attr_set(cache->edituv_pos, uv_attr_id.uvs, vidx, luv->uv);
}
if (state & UVEDIT_DATA) {
GPU_vertbuf_attr_set(cache->edituv_data, uv_attr_id.flag, vidx, &flag);
}
if (state & UVEDIT_FACES) {
GPU_indexbuf_add_generic_vert(elb_faces, vidx);
}
if (state & UVEDIT_EDGES) {
GPU_indexbuf_add_generic_vert(elb_edges, vidx);
}
if (state & UVEDIT_FACEDOTS) {
add_v2_v2(fdot, luv->uv);
}
vidx++;
}
if (state & UVEDIT_FACES) {
GPU_indexbuf_add_primitive_restart(elb_faces);
}
if (state & UVEDIT_EDGES) {
GPU_indexbuf_add_primitive_restart(elb_edges);
}
if (state & UVEDIT_FACEDOTS) {
mul_v2_fl(fdot, 1.0f / (float)efa->len);
GPU_vertbuf_attr_set(*facedots_vbo, uv_attr_id.fdots_uvs, fidx, fdot);
GPU_vertbuf_attr_set(*facedots_vbo, uv_attr_id.fdots_flag, fidx, &face_flag);
}
fidx++;
}
if (faces_areas) {
MEM_freeN(faces_areas);
}
BLI_buffer_free(&vec3_buf);
BLI_buffer_free(&vec2_buf);
if (vidx == 0) {
GPU_VERTBUF_DISCARD_SAFE(cache->edituv_area);
GPU_VERTBUF_DISCARD_SAFE(cache->edituv_angle);
GPU_VERTBUF_DISCARD_SAFE(cache->edituv_pos);
GPU_VERTBUF_DISCARD_SAFE(cache->edituv_data);
GPU_VERTBUF_DISCARD_SAFE(*facedots_vbo);
}
if (vidx < bm->totloop) {
if (cache->edituv_area && (state & UVEDIT_STRETCH_AREA)) {
GPU_vertbuf_data_resize(cache->edituv_area, vidx);
}
if (cache->edituv_angle && (state & UVEDIT_STRETCH_ANGLE)) {
GPU_vertbuf_data_resize(cache->edituv_angle, vidx);
}
if (cache->edituv_pos && (state & UVEDIT_EDGES)) {
GPU_vertbuf_data_resize(cache->edituv_pos, vidx);
}
if (cache->edituv_data && (state & UVEDIT_DATA)) {
GPU_vertbuf_data_resize(cache->edituv_data, vidx);
}
}
if (fidx < bm->totface) {
if (*facedots_vbo) {
GPU_vertbuf_data_resize(*facedots_vbo, fidx);
}
}
}
static void mesh_batch_cache_create_uvedit_buffers(
Object *ob, struct SpaceImage *sima, Scene *scene, MeshBatchCache *cache, uchar state)
{
GPUVertBuf *facedots_vbo = NULL;
if (state == 0) {
return;
}
Mesh *me = ob->data;
BMEditMesh *embm = me->edit_btmesh;
BMesh *bm = embm->bm;
static GPUVertFormat format_pos = { 0 };
static GPUVertFormat format_area = { 0 };
static GPUVertFormat format_angle = { 0 };
static GPUVertFormat format_flag = { 0 };
static GPUVertFormat format_facedots = { 0 };
if (format_pos.attr_len == 0) {
uv_attr_id.uvs = GPU_vertformat_attr_add(&format_pos, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
uv_attr_id.area = GPU_vertformat_attr_add(&format_area, "stretch", GPU_COMP_U16, 1, GPU_FETCH_INT_TO_FLOAT_UNIT);
uv_attr_id.angle = GPU_vertformat_attr_add(&format_angle, "stretch", GPU_COMP_U16, 1, GPU_FETCH_INT_TO_FLOAT_UNIT);
uv_attr_id.flag = GPU_vertformat_attr_add(&format_flag, "flag", GPU_COMP_U8, 1, GPU_FETCH_INT);
uv_attr_id.fdots_uvs = GPU_vertformat_attr_add(&format_facedots, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
uv_attr_id.fdots_flag = GPU_vertformat_attr_add(&format_facedots, "flag", GPU_COMP_U8, 1, GPU_FETCH_INT);
}
const uint vert_len = bm->totloop;
const uint idx_len = bm->totloop + bm->totface;
const uint face_len = bm->totface;
if (state & UVEDIT_EDGES) {
cache->edituv_pos = GPU_vertbuf_create_with_format(&format_pos);
GPU_vertbuf_data_alloc(cache->edituv_pos, vert_len);
}
if (state & UVEDIT_DATA) {
cache->edituv_data = GPU_vertbuf_create_with_format(&format_flag);
GPU_vertbuf_data_alloc(cache->edituv_data, vert_len);
}
if (state & UVEDIT_STRETCH_AREA) {
cache->edituv_area = GPU_vertbuf_create_with_format(&format_area);
GPU_vertbuf_data_alloc(cache->edituv_area, vert_len);
}
if (state & UVEDIT_STRETCH_ANGLE) {
cache->edituv_angle = GPU_vertbuf_create_with_format(&format_angle);
GPU_vertbuf_data_alloc(cache->edituv_angle, vert_len);
}
if (state & UVEDIT_FACEDOTS) {
facedots_vbo = GPU_vertbuf_create_with_format(&format_facedots);
GPU_vertbuf_data_alloc(facedots_vbo, face_len);
}
/* NOTE: we could use the same index buffer for both primitive type (it's the same indices)
* but since GPU_PRIM_LINE_LOOP does not exist in vulkan, make it future proof. */
GPUIndexBufBuilder elb_faces, elb_edges;
if (state & UVEDIT_EDGES) {
GPU_indexbuf_init_ex(&elb_edges, GPU_PRIM_LINE_LOOP, idx_len, vert_len, true);
}
if (state & UVEDIT_FACES) {
GPU_indexbuf_init_ex(&elb_faces, GPU_PRIM_TRI_FAN, idx_len, vert_len, true);
}
uvedit_fill_buffer_data(ob, sima, scene, state, cache, &elb_faces, &elb_edges, &facedots_vbo);
if (state & UVEDIT_EDGES) {
cache->edituv_visible_edges = GPU_indexbuf_build(&elb_edges);
}
if (state & UVEDIT_FACES) {
cache->edituv_visible_faces = GPU_indexbuf_build(&elb_faces);
}
if ((state & UVEDIT_FACEDOTS) && facedots_vbo) {
cache->edituv_facedots = GPU_batch_create_ex(GPU_PRIM_POINTS, facedots_vbo, NULL, GPU_BATCH_OWNS_VBO);
gpu_batch_presets_register(cache->edituv_facedots);
}
cache->edituv_state |= state;
}
void DRW_mesh_cache_uvedit(
Object *ob, struct SpaceImage *sima, Scene *scene, uchar state,
GPUBatch **faces, GPUBatch **edges, GPUBatch **verts, GPUBatch **facedots)
{
Mesh *me = ob->data;
MeshBatchCache *cache = mesh_batch_cache_get(me);
uchar missing_state = mesh_batch_cache_validate_edituvs(cache, state);
mesh_batch_cache_create_uvedit_buffers(ob, sima, scene, cache, missing_state);
/* Bail out if there is nothing to draw. */
if (cache->edituv_data == NULL) {
*faces = *edges = *verts = *facedots = NULL;
return;
}
/* Faces */
if (state & UVEDIT_STRETCH_AREA) {
if (cache->edituv_faces_strech_area == NULL) {
cache->edituv_faces_strech_area = GPU_batch_create(GPU_PRIM_TRI_FAN,
cache->edituv_pos,
cache->edituv_visible_faces);
GPU_batch_vertbuf_add_ex(cache->edituv_faces_strech_area,
cache->edituv_area, false);
gpu_batch_presets_register(cache->edituv_faces_strech_area);
}
*faces = cache->edituv_faces_strech_area;
}
else if (state & UVEDIT_STRETCH_ANGLE) {
if (cache->edituv_faces_strech_angle == NULL) {
cache->edituv_faces_strech_angle = GPU_batch_create(GPU_PRIM_TRI_FAN,
cache->edituv_pos,
cache->edituv_visible_faces);
GPU_batch_vertbuf_add_ex(cache->edituv_faces_strech_angle,
cache->edituv_angle, false);
gpu_batch_presets_register(cache->edituv_faces_strech_angle);
}
*faces = cache->edituv_faces_strech_angle;
}
else if (state & UVEDIT_FACES) {
if (cache->edituv_faces == NULL) {
cache->edituv_faces = GPU_batch_create(GPU_PRIM_TRI_FAN,
cache->edituv_pos,
cache->edituv_visible_faces);
GPU_batch_vertbuf_add_ex(cache->edituv_faces,
cache->edituv_data, false);
gpu_batch_presets_register(cache->edituv_faces);
}
*faces = cache->edituv_faces;
}
else {
*faces = NULL;
}
{
if (cache->edituv_edges == NULL) {
cache->edituv_edges = GPU_batch_create(GPU_PRIM_LINE_LOOP,
cache->edituv_pos,
cache->edituv_visible_edges);
GPU_batch_vertbuf_add_ex(cache->edituv_edges,
cache->edituv_data, false);
gpu_batch_presets_register(cache->edituv_edges);
}
*edges = cache->edituv_edges;
}
{
if (cache->edituv_verts == NULL) {
cache->edituv_verts = GPU_batch_create(GPU_PRIM_POINTS,
cache->edituv_pos,
NULL);
GPU_batch_vertbuf_add_ex(cache->edituv_verts,
cache->edituv_data, false);
gpu_batch_presets_register(cache->edituv_verts);
}
*verts = cache->edituv_verts;
}
if (state & UVEDIT_FACEDOTS) {
*facedots = cache->edituv_facedots;
}
else {
*facedots = NULL;
}
}
/** \} */
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