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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_utildefines.h"
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#include "BLI_math_vector.h"
#include "BLI_math_bits.h"
#include "BLI_string.h"
#include "BLI_alloca.h"
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#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_object_types.h"
#include "BKE_customdata.h"
#include "BKE_deform.h"
#include "BKE_DerivedMesh.h"
#include "BKE_editmesh.h"
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#include "BKE_editmesh_tangent.h"
#include "BKE_mesh.h"
#include "BKE_mesh_tangent.h"
#include "BKE_texture.h"
#include "bmesh.h"
#include "GPU_batch.h"
#include "GPU_draw.h"
#include "GPU_material.h"
#include "draw_cache_impl.h" /* own include */
static void mesh_batch_cache_clear(Mesh *me);
/* ---------------------------------------------------------------------- */
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/** \name Mesh/BMesh Interface (direct access to basic data).
* \{ */
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static int mesh_render_verts_len_get(Mesh *me)
{
return me->edit_btmesh ? me->edit_btmesh->bm->totvert : me->totvert;
}
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static int mesh_render_edges_len_get(Mesh *me)
{
return me->edit_btmesh ? me->edit_btmesh->bm->totedge : me->totedge;
}
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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);
}
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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);
}
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static int UNUSED_FUNCTION(mesh_render_loops_len_get)(Mesh *me)
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{
return me->edit_btmesh ? me->edit_btmesh->bm->totloop : me->totloop;
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}
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/** \} */
/* ---------------------------------------------------------------------- */
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/** \name Mesh/BMesh Interface (indirect, partially cached access to complex data).
* \{ */
typedef struct EdgeAdjacentPolys {
int count;
int face_index[2];
} EdgeAdjacentPolys;
typedef struct EdgeDrawAttr {
unsigned char v_flag;
unsigned char e_flag;
unsigned char crease;
unsigned char bweight;
} EdgeDrawAttr;
typedef struct MeshRenderData {
int types;
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int vert_len;
int edge_len;
int tri_len;
int loop_len;
int poly_len;
int mat_len;
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int loose_vert_len;
int loose_edge_len;
BMEditMesh *edit_bmesh;
MVert *mvert;
MEdge *medge;
MLoop *mloop;
MPoly *mpoly;
float (*orco)[3];
MDeformVert *dvert;
MLoopUV *mloopuv;
MLoopCol *mloopcol;
/* 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;
} 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') */
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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_color)[3];
char (*vert_color)[3];
Gwn_PackedNormal *poly_normals_pack;
Gwn_PackedNormal *vert_normals_pack;
bool *edge_select_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;
}
}
}
}
}
}
/**
* 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 thats 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);
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if (me->edit_btmesh) {
BMEditMesh *embm = me->edit_btmesh;
BMesh *bm = embm->bm;
rdata->edit_bmesh = embm;
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) {
BKE_editmesh_tessface_calc(embm);
rdata->tri_len = embm->tottri;
}
if (types & MR_DATATYPE_LOOP) {
rdata->loop_len = bm->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);
}
if (types & (MR_DATATYPE_DVERT)) {
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_OVERLAY) {
rdata->loose_vert_len = rdata->loose_edge_len = 0;
int *lverts = rdata->loose_verts = MEM_mallocN(rdata->vert_len * sizeof(int), "Loose Vert");
int *ledges = rdata->loose_edges = MEM_mallocN(rdata->edge_len * sizeof(int), "Loose Edges");
{
BLI_assert((bm->elem_table_dirty & BM_VERT) == 0);
BMVert **vtable = bm->vtable;
for (int i = 0; i < bm->totvert; i++) {
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const BMVert *eve = vtable[i];
if (!BM_elem_flag_test(eve, BM_ELEM_HIDDEN)) {
/* Loose vert */
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if (eve->e == NULL || !bm_vert_has_visible_edge(eve)) {
lverts[rdata->loose_vert_len++] = i;
}
}
}
}
{
BLI_assert((bm->elem_table_dirty & BM_EDGE) == 0);
BMEdge **etable = bm->etable;
for (int i = 0; i < bm->totedge; i++) {
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const BMEdge *eed = etable[i];
if (!BM_elem_flag_test(eed, BM_ELEM_HIDDEN)) {
/* Loose edge */
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if (eed->l == NULL || !bm_edge_has_visible_face(eed)) {
ledges[rdata->loose_edge_len++] = i;
}
}
}
}
rdata->loose_verts = MEM_reallocN(rdata->loose_verts, rdata->loose_vert_len * sizeof(int));
rdata->loose_edges = MEM_reallocN(rdata->loose_edges, rdata->loose_edge_len * sizeof(int));
}
}
else {
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);
rdata->mlooptri = MEM_mallocN(sizeof(*rdata->mlooptri) * tri_len, __func__);
BKE_mesh_recalc_looptri(me->mloop, me->mpoly, me->mvert, me->totloop, me->totpoly, rdata->mlooptri);
}
if (types & MR_DATATYPE_LOOP) {
rdata->loop_len = me->totloop;
rdata->mloop = CustomData_get_layer(&me->ldata, CD_MLOOP);
}
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) {
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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;
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#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
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) {
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);
BMVert **vtable = bm->vtable;
for (int i = 0; i < bm->totvert; i++) {
copy_v3_v3(rdata->orco[i], vtable[i]->co);
}
BKE_mesh_orco_verts_transform(me, rdata->orco, rdata->vert_len, 0);
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}
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);
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}
}
}
else {
rdata->orco = NULL;
}
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const bool is_auto_smooth = (me->flag & ME_AUTOSMOOTH) != 0;
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/* don't access mesh directly, instead use vars taken from BMesh or Mesh */
#define me DONT_USE_THIS
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#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),
};
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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);
unsigned int 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);
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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);
unsigned int 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) {
2017-05-09 08:50:45 +10:00
/* -------------------------------------------------------------------- */
/* 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) {
/* TODO: split normals, see below */
}
bool calc_active_tangent = false;
float (*poly_normals)[3] = rdata->poly_normals;
float (*loop_normals)[3] = CustomData_get_layer(cd_ldata, CD_NORMAL);
BKE_editmesh_loop_tangent_calc(
em, calc_active_tangent,
tangent_names, actual_tangent_len,
poly_normals, loop_normals,
rdata->orco,
&rdata->cd.output.ldata, bm->totloop,
&rdata->cd.output.tangent_mask);
}
else {
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#undef me
if (is_auto_smooth) {
if (!CustomData_has_layer(cd_ldata, CD_NORMAL)) {
BKE_mesh_calc_normals_split(me);
}
}
bool calc_active_tangent = false;
const float (*poly_normals)[3] = rdata->poly_normals;
const float (*loop_normals)[3] = CustomData_get_layer(cd_ldata, CD_NORMAL);
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,
poly_normals, 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
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#define me DONT_USE_THIS
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#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);
unsigned int 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);
unsigned int 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);
}
}
2017-05-09 08:50:45 +10:00
#undef me
}
return rdata;
}
static void mesh_render_data_free(MeshRenderData *rdata)
{
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->poly_normals);
MEM_SAFE_FREE(rdata->poly_normals_pack);
MEM_SAFE_FREE(rdata->vert_normals_pack);
MEM_SAFE_FREE(rdata->vert_weight_color);
MEM_SAFE_FREE(rdata->edge_select_bool);
MEM_SAFE_FREE(rdata->vert_color);
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CustomData_free(&rdata->cd.output.ldata, rdata->loop_len);
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MEM_freeN(rdata);
}
static MeshRenderData *mesh_render_data_create(Mesh *me, const int types)
{
return mesh_render_data_create_ex(me, types, NULL, 0);
}
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/** \} */
/* ---------------------------------------------------------------------- */
/** \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_loose_verts_len_get(const MeshRenderData *rdata)
{
BLI_assert(rdata->types & MR_DATATYPE_OVERLAY);
return rdata->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_loose_edges_len_get(const MeshRenderData *rdata)
{
BLI_assert(rdata->types & MR_DATATYPE_OVERLAY);
return rdata->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_mat_len_get(const MeshRenderData *rdata)
{
BLI_assert(rdata->types & MR_DATATYPE_POLY);
return rdata->mat_len;
}
static int UNUSED_FUNCTION(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;
}
2017-05-05 05:07:52 +10:00
/** \} */
/* ---------------------------------------------------------------------- */
/** \name Internal Cache (Lazy Initialization)
* \{ */
/** Ensure #MeshRenderData.poly_normals_pack */
static void mesh_render_data_ensure_poly_normals_pack(MeshRenderData *rdata)
{
Gwn_PackedNormal *pnors_pack = rdata->poly_normals_pack;
if (pnors_pack == NULL) {
if (rdata->edit_bmesh) {
BMesh *bm = rdata->edit_bmesh->bm;
BMIter fiter;
2017-05-24 13:33:48 +10:00
BMFace *efa;
int i;
pnors_pack = rdata->poly_normals_pack = MEM_mallocN(sizeof(*pnors_pack) * rdata->poly_len, __func__);
2017-05-24 13:33:48 +10:00
BM_ITER_MESH_INDEX(efa, &fiter, bm, BM_FACES_OF_MESH, i) {
pnors_pack[i] = GWN_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] = GWN_normal_convert_i10_v3(pnors[i]);
}
}
}
}
/** Ensure #MeshRenderData.vert_normals_pack */
static void mesh_render_data_ensure_vert_normals_pack(MeshRenderData *rdata)
{
Gwn_PackedNormal *vnors_pack = rdata->vert_normals_pack;
if (vnors_pack == NULL) {
if (rdata->edit_bmesh) {
BMesh *bm = rdata->edit_bmesh->bm;
BMIter viter;
2017-05-24 13:33:48 +10:00
BMVert *eve;
int i;
vnors_pack = rdata->vert_normals_pack = MEM_mallocN(sizeof(*vnors_pack) * rdata->vert_len, __func__);
2017-05-24 13:33:48 +10:00
BM_ITER_MESH_INDEX(eve, &viter, bm, BM_VERT, i) {
vnors_pack[i] = GWN_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;
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BMFace *efa;
int i = 0;
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BM_ITER_MESH(efa, &fiter, bm, BM_FACES_OF_MESH) {
BMLoop *l_iter, *l_first;
2017-05-24 13:33:48 +10:00
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;
}
}
/* TODO, move into shader? */
static void rgb_from_weight(float r_rgb[3], const float weight)
{
const float blend = ((weight / 2.0f) + 0.5f);
if (weight <= 0.25f) { /* blue->cyan */
r_rgb[0] = 0.0f;
r_rgb[1] = blend * weight * 4.0f;
r_rgb[2] = blend;
}
else if (weight <= 0.50f) { /* cyan->green */
r_rgb[0] = 0.0f;
r_rgb[1] = blend;
r_rgb[2] = blend * (1.0f - ((weight - 0.25f) * 4.0f));
}
else if (weight <= 0.75f) { /* green->yellow */
r_rgb[0] = blend * ((weight - 0.50f) * 4.0f);
r_rgb[1] = blend;
r_rgb[2] = 0.0f;
}
else if (weight <= 1.0f) { /* yellow->red */
r_rgb[0] = blend;
r_rgb[1] = blend * (1.0f - ((weight - 0.75f) * 4.0f));
r_rgb[2] = 0.0f;
}
else {
/* exceptional value, unclamped or nan,
* avoid uninitialized memory use */
r_rgb[0] = 1.0f;
r_rgb[1] = 0.0f;
r_rgb[2] = 1.0f;
}
}
/** Ensure #MeshRenderData.vert_weight_color */
static void mesh_render_data_ensure_vert_weight_color(MeshRenderData *rdata, const int defgroup)
{
float (*vweight)[3] = rdata->vert_weight_color;
if (vweight == NULL) {
if (defgroup == -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;
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BMVert *eve;
int i;
vweight = rdata->vert_weight_color = MEM_mallocN(sizeof(*vweight) * rdata->vert_len, __func__);
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BM_ITER_MESH_INDEX(eve, &viter, bm, BM_VERT, i) {
const MDeformVert *dvert = BM_ELEM_CD_GET_VOID_P(eve, cd_dvert_offset);
float weight = defvert_find_weight(dvert, defgroup);
if (U.flag & USER_CUSTOM_RANGE) {
do_colorband(&U.coba_weight, weight, vweight[i]);
}
else {
rgb_from_weight(vweight[i], weight);
}
}
}
else {
if (rdata->dvert == NULL) {
goto fallback;
}
vweight = rdata->vert_weight_color = MEM_mallocN(sizeof(*vweight) * rdata->vert_len, __func__);
for (int i = 0; i < rdata->vert_len; i++) {
float weight = defvert_find_weight(&rdata->dvert[i], defgroup);
if (U.flag & USER_CUSTOM_RANGE) {
do_colorband(&U.coba_weight, weight, vweight[i]);
}
else {
rgb_from_weight(vweight[i], weight);
}
}
}
}
return;
fallback:
vweight = rdata->vert_weight_color = MEM_callocN(sizeof(*vweight) * rdata->vert_len, __func__);
for (int i = 0; i < rdata->vert_len; i++) {
vweight[i][2] = 0.5f;
}
}
/** 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++) {
MPoly *poly = &rdata->mpoly[i];
if (poly->flag & ME_FACE_SEL) {
for (int j = 0; j < poly->totloop; j++) {
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];
}
}
}
}
}
}
/** \} */
2017-05-05 05:07:52 +10:00
/* ---------------------------------------------------------------------- */
/** \name Internal Cache Generation
* \{ */
static bool mesh_render_data_pnors_pcenter_select_get(
MeshRenderData *rdata, const int poly,
2017-04-12 18:23:17 +10:00
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) {
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const BMFace *efa = BM_face_at_index(rdata->edit_bmesh->bm, poly);
if (BM_elem_flag_test(efa, BM_ELEM_HIDDEN)) {
return false;
}
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BM_face_calc_center_mean(efa, r_center);
2017-06-29 15:52:08 +10:00
copy_v3_v3(r_pnors, efa->no);
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*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;
2017-04-12 18:23:17 +10:00
BKE_mesh_calc_poly_center(mpoly, mloop, mvert, r_center);
BKE_mesh_calc_poly_normal(mpoly, mloop, mvert, r_pnors);
2017-04-12 18:23:17 +10:00
*r_selected = false; /* No selection if not in edit mode */
}
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;
2017-05-24 13:33:48 +10:00
BMEdge *eed = BM_edge_at_index(bm, edge_index);
if (BM_elem_flag_test(eed, BM_ELEM_HIDDEN)) {
return false;
}
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*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 {
*r_is_manifold = false;
}
}
else {
MVert *mvert = rdata->mvert;
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 = (pnors == NULL);
eap = rdata->edges_adjacent_polys = MEM_callocN(sizeof(*eap) * rdata->edge_len, __func__);
if (do_pnors) {
pnors = rdata->poly_normals = MEM_mallocN(sizeof(*pnors) * poly_len, __func__);
}
2017-02-16 16:19:48 +01:00
2017-04-19 00:10:32 +10:00
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 && pnors);
*r_vco1 = mvert[medge[edge_index].v1].co;
*r_vco2 = mvert[medge[edge_index].v2].co;
if (eap[edge_index].count == 2) {
*r_pnor1 = pnors[eap[edge_index].face_index[0]];
*r_pnor2 = pnors[eap[edge_index].face_index[1]];
*r_is_manifold = true;
}
else {
*r_is_manifold = false;
}
}
return true;
}
/* First 2 bytes are bit flags
* 3rd is for sharp edges
* 4rd is for creased edges */
enum {
VFLAG_VERTEX_ACTIVE = 1 << 0,
VFLAG_VERTEX_SELECTED = 1 << 1,
VFLAG_FACE_ACTIVE = 1 << 2,
VFLAG_FACE_SELECTED = 1 << 3,
};
enum {
VFLAG_EDGE_EXISTS = 1 << 0,
VFLAG_EDGE_ACTIVE = 1 << 1,
VFLAG_EDGE_SELECTED = 1 << 2,
VFLAG_EDGE_SEAM = 1 << 3,
VFLAG_EDGE_SHARP = 1 << 4,
/* Beware to not go over 1 << 7
* (see gpu_shader_edit_mesh_overlay_geom.glsl) */
};
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static unsigned char mesh_render_data_looptri_flag(MeshRenderData *rdata, const BMFace *efa)
{
unsigned char fflag = 0;
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if (efa == rdata->efa_act)
fflag |= VFLAG_FACE_ACTIVE;
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if (BM_elem_flag_test(efa, BM_ELEM_SELECT))
fflag |= VFLAG_FACE_SELECTED;
return fflag;
}
static void mesh_render_data_edge_flag(
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const MeshRenderData *rdata, const BMEdge *eed,
EdgeDrawAttr *eattr)
{
eattr->e_flag |= VFLAG_EDGE_EXISTS;
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if (eed == rdata->eed_act)
eattr->e_flag |= VFLAG_EDGE_ACTIVE;
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if (BM_elem_flag_test(eed, BM_ELEM_SELECT))
eattr->e_flag |= VFLAG_EDGE_SELECTED;
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if (BM_elem_flag_test(eed, BM_ELEM_SEAM))
eattr->e_flag |= VFLAG_EDGE_SEAM;
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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) {
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float crease = BM_ELEM_CD_GET_FLOAT(eed, rdata->cd.offset.crease);
if (crease > 0) {
eattr->crease = (char)(crease * 255.0f);
}
}
/* Use a byte for value range */
if (rdata->cd.offset.bweight != -1) {
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float bweight = BM_ELEM_CD_GET_FLOAT(eed, rdata->cd.offset.bweight);
if (bweight > 0) {
eattr->bweight = (char)(bweight * 255.0f);
}
}
}
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static unsigned char mesh_render_data_vertex_flag(MeshRenderData *rdata, const BMVert *eve)
{
unsigned char vflag = 0;
/* Current vertex */
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if (eve == rdata->eve_act)
vflag |= VFLAG_VERTEX_ACTIVE;
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if (BM_elem_flag_test(eve, BM_ELEM_SELECT))
vflag |= VFLAG_VERTEX_SELECTED;
return vflag;
}
static void add_overlay_tri(
MeshRenderData *rdata, Gwn_VertBuf *vbo_pos, Gwn_VertBuf *vbo_nor, Gwn_VertBuf *vbo_data,
const unsigned int pos_id, const unsigned int vnor_id, const unsigned int lnor_id, const unsigned int data_id,
const BMLoop **bm_looptri, const int base_vert_idx)
{
unsigned char fflag;
unsigned char vflag;
if (vbo_pos) {
for (uint i = 0; i < 3; i++) {
const float *pos = bm_looptri[i]->v->co;
GWN_vertbuf_attr_set(vbo_pos, pos_id, base_vert_idx + i, pos);
}
}
if (vbo_nor) {
/* TODO real loop normal */
Gwn_PackedNormal lnor = GWN_normal_convert_i10_v3(bm_looptri[0]->f->no);
for (uint i = 0; i < 3; i++) {
Gwn_PackedNormal vnor = GWN_normal_convert_i10_v3(bm_looptri[i]->v->no);
GWN_vertbuf_attr_set(vbo_nor, vnor_id, base_vert_idx + i, &vnor);
GWN_vertbuf_attr_set(vbo_nor, lnor_id, base_vert_idx + i, &lnor);
}
}
if (vbo_data) {
fflag = mesh_render_data_looptri_flag(rdata, bm_looptri[0]->f);
uint i_prev = 1, i = 2;
for (uint i_next = 0; i_next < 3; i_next++) {
vflag = mesh_render_data_vertex_flag(rdata, bm_looptri[i]->v);
EdgeDrawAttr eattr = {0};
if (bm_looptri[i_next] == bm_looptri[i_prev]->prev) {
mesh_render_data_edge_flag(rdata, bm_looptri[i_next]->e, &eattr);
}
eattr.v_flag = fflag | vflag;
GWN_vertbuf_attr_set(vbo_data, data_id, base_vert_idx + i, &eattr);
i_prev = i;
i = i_next;
}
}
}
static void add_overlay_loose_edge(
MeshRenderData *rdata, Gwn_VertBuf *vbo_pos, Gwn_VertBuf *vbo_nor, Gwn_VertBuf *vbo_data,
const unsigned int pos_id, const unsigned int vnor_id, const unsigned int data_id,
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const BMEdge *eed, const int base_vert_idx)
{
if (vbo_pos) {
for (int i = 0; i < 2; ++i) {
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const float *pos = (&eed->v1)[i]->co;
GWN_vertbuf_attr_set(vbo_pos, pos_id, base_vert_idx + i, pos);
}
}
if (vbo_nor) {
for (int i = 0; i < 2; ++i) {
Gwn_PackedNormal vnor = GWN_normal_convert_i10_v3((&eed->v1)[i]->no);
GWN_vertbuf_attr_set(vbo_nor, vnor_id, base_vert_idx + i, &vnor);
}
}
if (vbo_data) {
EdgeDrawAttr eattr = {0};
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mesh_render_data_edge_flag(rdata, eed, &eattr);
for (int i = 0; i < 2; ++i) {
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eattr.v_flag = mesh_render_data_vertex_flag(rdata, (&eed->v1)[i]);
GWN_vertbuf_attr_set(vbo_data, data_id, base_vert_idx + i, &eattr);
}
}
}
static void add_overlay_loose_vert(
MeshRenderData *rdata, Gwn_VertBuf *vbo_pos, Gwn_VertBuf *vbo_nor, Gwn_VertBuf *vbo_data,
const unsigned int pos_id, const unsigned int vnor_id, const unsigned int data_id,
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const BMVert *eve, const int base_vert_idx)
{
if (vbo_pos) {
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const float *pos = eve->co;
GWN_vertbuf_attr_set(vbo_pos, pos_id, base_vert_idx, pos);
}
if (vbo_nor) {
Gwn_PackedNormal vnor = GWN_normal_convert_i10_v3(eve->no);
GWN_vertbuf_attr_set(vbo_nor, vnor_id, base_vert_idx, &vnor);
}
if (vbo_data) {
unsigned char vflag[4] = {0, 0, 0, 0};
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vflag[0] = mesh_render_data_vertex_flag(rdata, eve);
GWN_vertbuf_attr_set(vbo_data, data_id, base_vert_idx, vflag);
}
}
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/** \} */
/* ---------------------------------------------------------------------- */
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/** \name Mesh Gwn_Batch Cache
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* \{ */
typedef struct MeshBatchCache {
Gwn_VertBuf *pos_in_order;
Gwn_VertBuf *nor_in_order;
Gwn_IndexBuf *edges_in_order;
Gwn_IndexBuf *triangles_in_order;
Gwn_IndexBuf *overlay_triangles_vpaint;
Gwn_Batch *all_verts;
Gwn_Batch *all_edges;
Gwn_Batch *all_triangles;
Gwn_VertBuf *pos_with_normals;
Gwn_VertBuf *pos_with_normals_visible_only; /* for paint modes with vert/face hide support. */
Gwn_VertBuf *tri_aligned_weights;
Gwn_VertBuf *tri_aligned_vert_colors;
Gwn_VertBuf *tri_aligned_select_id;
Gwn_VertBuf *tri_aligned_uv; /* Active UV layer (mloopuv) */
Gwn_VertBuf *edge_pos_with_select_bool;
Gwn_VertBuf *pos_with_select_bool;
Gwn_Batch *triangles_with_normals;
/* Skip hidden (depending on paint select mode),
* 'pos_with_normals' or 'pos_with_normals_visible_only'. */
Gwn_Batch *triangles_with_weights;
Gwn_Batch *triangles_with_vert_colors;
/* Always skip hidden */
Gwn_Batch *triangles_with_select_id;
Gwn_Batch *points_with_normals;
Gwn_Batch *fancy_edges; /* owns its vertex buffer (not shared) */
/* Maybe have shaded_triangles_data split into pos_nor and uv_tangent
* to minimise data transfer for skinned mesh. */
Gwn_VertFormat shaded_triangles_format;
Gwn_VertBuf *shaded_triangles_data;
Gwn_IndexBuf **shaded_triangles_in_order;
Gwn_Batch **shaded_triangles;
/* Texture Paint.*/
/* per-texture batch */
Gwn_Batch **texpaint_triangles;
Gwn_Batch *texpaint_triangles_single;
/* Edit Cage Mesh buffers */
Gwn_VertBuf *ed_tri_pos;
Gwn_VertBuf *ed_tri_nor; /* LoopNor, VertNor */
Gwn_VertBuf *ed_tri_data;
Gwn_VertBuf *ed_ledge_pos;
Gwn_VertBuf *ed_ledge_nor; /* VertNor */
Gwn_VertBuf *ed_ledge_data;
Gwn_VertBuf *ed_lvert_pos;
Gwn_VertBuf *ed_lvert_nor; /* VertNor */
Gwn_VertBuf *ed_lvert_data;
Gwn_VertBuf *ed_fcenter_pos;
Gwn_VertBuf *ed_fcenter_nor;
Gwn_Batch *overlay_triangles;
Gwn_Batch *overlay_triangles_nor; /* GWN_PRIM_POINTS */
Gwn_Batch *overlay_loose_edges;
Gwn_Batch *overlay_loose_edges_nor; /* GWN_PRIM_POINTS */
Gwn_Batch *overlay_loose_verts;
Gwn_Batch *overlay_facedots;
Gwn_Batch *overlay_weight_faces;
Gwn_Batch *overlay_weight_verts;
Gwn_Batch *overlay_paint_edges;
/* settings to determine if cache is invalid */
bool is_dirty;
bool is_really_dirty; /* Instantly invalidates cache, skipping mesh check */
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int edge_len;
int tri_len;
int poly_len;
int vert_len;
int mat_len;
bool is_editmode;
} MeshBatchCache;
/* Gwn_Batch cache management. */
static bool mesh_batch_cache_valid(Mesh *me)
{
MeshBatchCache *cache = me->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_dirty = true;
}
if (cache->is_editmode != (me->edit_btmesh != NULL)) {
return false;
}
if (cache->is_really_dirty) {
return false;
}
if (cache->is_dirty == false) {
return true;
}
else {
if (cache->is_editmode) {
return false;
}
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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->batch_cache;
if (!cache) {
cache = me->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) {
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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_dirty = false;
cache->is_really_dirty = false;
}
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->batch_cache;
}
void DRW_mesh_batch_cache_dirty(Mesh *me, int mode)
{
MeshBatchCache *cache = me->batch_cache;
if (cache == NULL) {
return;
}
switch (mode) {
case BKE_MESH_BATCH_DIRTY_ALL:
cache->is_dirty = true;
break;
case BKE_MESH_BATCH_DIRTY_SELECT:
GWN_VERTBUF_DISCARD_SAFE(cache->ed_tri_data);
GWN_VERTBUF_DISCARD_SAFE(cache->ed_ledge_data);
GWN_VERTBUF_DISCARD_SAFE(cache->ed_lvert_data);
GWN_VERTBUF_DISCARD_SAFE(cache->ed_fcenter_nor); /* Contains select flag */
GWN_BATCH_DISCARD_SAFE(cache->overlay_triangles);
GWN_BATCH_DISCARD_SAFE(cache->overlay_loose_verts);
GWN_BATCH_DISCARD_SAFE(cache->overlay_loose_edges);
BATCH_DISCARD_ALL_SAFE(cache->overlay_facedots);
break;
case BKE_MESH_BATCH_DIRTY_NOCHECK:
cache->is_really_dirty = true;
break;
case BKE_MESH_BATCH_DIRTY_SHADING:
GWN_VERTBUF_DISCARD_SAFE(cache->shaded_triangles_data);
if (cache->shaded_triangles) {
for (int i = 0; i < cache->mat_len; ++i) {
GWN_BATCH_DISCARD_SAFE(cache->shaded_triangles[i]);
}
}
MEM_SAFE_FREE(cache->shaded_triangles);
break;
default:
BLI_assert(0);
}
}
static void mesh_batch_cache_clear(Mesh *me)
{
MeshBatchCache *cache = me->batch_cache;
if (!cache) {
return;
}
GWN_BATCH_DISCARD_SAFE(cache->all_verts);
GWN_BATCH_DISCARD_SAFE(cache->all_edges);
GWN_BATCH_DISCARD_SAFE(cache->all_triangles);
GWN_VERTBUF_DISCARD_SAFE(cache->pos_in_order);
GWN_VERTBUF_DISCARD_SAFE(cache->pos_with_select_bool);
GWN_INDEXBUF_DISCARD_SAFE(cache->edges_in_order);
GWN_INDEXBUF_DISCARD_SAFE(cache->triangles_in_order);
GWN_INDEXBUF_DISCARD_SAFE(cache->overlay_triangles_vpaint);
GWN_VERTBUF_DISCARD_SAFE(cache->ed_tri_pos);
GWN_VERTBUF_DISCARD_SAFE(cache->ed_tri_nor);
GWN_VERTBUF_DISCARD_SAFE(cache->ed_tri_data);
GWN_VERTBUF_DISCARD_SAFE(cache->ed_ledge_pos);
GWN_VERTBUF_DISCARD_SAFE(cache->ed_ledge_nor);
GWN_VERTBUF_DISCARD_SAFE(cache->ed_ledge_data);
GWN_VERTBUF_DISCARD_SAFE(cache->ed_lvert_pos);
GWN_VERTBUF_DISCARD_SAFE(cache->ed_lvert_nor);
GWN_VERTBUF_DISCARD_SAFE(cache->ed_lvert_data);
GWN_VERTBUF_DISCARD_SAFE(cache->ed_fcenter_pos);
GWN_VERTBUF_DISCARD_SAFE(cache->ed_fcenter_nor);
GWN_BATCH_DISCARD_SAFE(cache->overlay_triangles);
GWN_BATCH_DISCARD_SAFE(cache->overlay_triangles_nor);
GWN_BATCH_DISCARD_SAFE(cache->overlay_loose_verts);
GWN_BATCH_DISCARD_SAFE(cache->overlay_loose_edges);
GWN_BATCH_DISCARD_SAFE(cache->overlay_loose_edges_nor);
GWN_BATCH_DISCARD_SAFE(cache->overlay_weight_faces);
GWN_BATCH_DISCARD_SAFE(cache->overlay_weight_verts);
BATCH_DISCARD_ALL_SAFE(cache->overlay_paint_edges);
BATCH_DISCARD_ALL_SAFE(cache->overlay_facedots);
GWN_BATCH_DISCARD_SAFE(cache->triangles_with_normals);
GWN_BATCH_DISCARD_SAFE(cache->points_with_normals);
GWN_VERTBUF_DISCARD_SAFE(cache->pos_with_normals);
GWN_VERTBUF_DISCARD_SAFE(cache->pos_with_normals_visible_only);
GWN_VERTBUF_DISCARD_SAFE(cache->tri_aligned_vert_colors);
GWN_VERTBUF_DISCARD_SAFE(cache->tri_aligned_weights);
GWN_BATCH_DISCARD_SAFE(cache->triangles_with_weights);
GWN_BATCH_DISCARD_SAFE(cache->triangles_with_vert_colors);
GWN_VERTBUF_DISCARD_SAFE(cache->tri_aligned_select_id);
GWN_VERTBUF_DISCARD_SAFE(cache->tri_aligned_uv);
GWN_BATCH_DISCARD_SAFE(cache->triangles_with_select_id);
BATCH_DISCARD_ALL_SAFE(cache->fancy_edges);
GWN_VERTBUF_DISCARD_SAFE(cache->shaded_triangles_data);
if (cache->shaded_triangles_in_order) {
for (int i = 0; i < cache->mat_len; ++i) {
GWN_INDEXBUF_DISCARD_SAFE(cache->shaded_triangles_in_order[i]);
}
}
if (cache->shaded_triangles) {
for (int i = 0; i < cache->mat_len; ++i) {
GWN_BATCH_DISCARD_SAFE(cache->shaded_triangles[i]);
}
}
MEM_SAFE_FREE(cache->shaded_triangles_in_order);
MEM_SAFE_FREE(cache->shaded_triangles);
if (cache->texpaint_triangles) {
for (int i = 0; i < cache->mat_len; ++i) {
GWN_BATCH_DISCARD_SAFE(cache->texpaint_triangles[i]);
}
}
MEM_SAFE_FREE(cache->texpaint_triangles);
GWN_BATCH_DISCARD_SAFE(cache->texpaint_triangles_single);
}
void DRW_mesh_batch_cache_free(Mesh *me)
{
mesh_batch_cache_clear(me);
MEM_SAFE_FREE(me->batch_cache);
}
/* Gwn_Batch cache usage. */
static Gwn_VertBuf *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));
2017-05-22 16:20:54 +10:00
#define USE_COMP_MESH_DATA
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;
if (layers_combined_len == 0) {
return NULL;
}
Gwn_VertFormat *format = &cache->shaded_triangles_format;
GWN_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; }
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] = GWN_vertformat_attr_add(format, attrib_name, GWN_COMP_I16, 2, GWN_FETCH_INT_TO_FLOAT_UNIT);
#else
uv_id[i] = GWN_vertformat_attr_add(format, attrib_name, GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
#endif
/* Auto Name */
attrib_name = mesh_render_data_uv_auto_layer_uuid_get(rdata, i);
GWN_vertformat_alias_add(format, attrib_name);
if (i == rdata->cd.layers.uv_active) {
GWN_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);
/* WATCH IT : only specifying 3 component instead of 4 (4th is sign).
* That may cause some problem but I could not make it to fail (fclem) */
#ifdef USE_COMP_MESH_DATA
/* Tangents need more precision than 10_10_10 */
tangent_id[i] = GWN_vertformat_attr_add(format, attrib_name, GWN_COMP_I16, 3, GWN_FETCH_INT_TO_FLOAT_UNIT);
#else
tangent_id[i] = GWN_vertformat_attr_add(format, attrib_name, GWN_COMP_F32, 3, GWN_FETCH_FLOAT);
#endif
if (i == rdata->cd.layers.tangent_active) {
GWN_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] = GWN_vertformat_attr_add(format, attrib_name, GWN_COMP_U8, 3, GWN_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);
GWN_vertformat_alias_add(format, attrib_name);
}
if (i == rdata->cd.layers.vcol_active) {
GWN_vertformat_alias_add(format, "c");
}
}
const uint tri_len = mesh_render_data_looptri_len_get(rdata);
Gwn_VertBuf *vbo = cache->shaded_triangles_data = GWN_vertbuf_create_with_format(format);
const int vbo_len_capacity = tri_len * 3;
int vbo_len_used = 0;
GWN_vertbuf_data_alloc(vbo, vbo_len_capacity);
Gwn_VertBufRaw *layers_combined_step = BLI_array_alloca(layers_combined_step, layers_combined_len);
Gwn_VertBufRaw *uv_step = layers_combined_step;
Gwn_VertBufRaw *tangent_step = uv_step + uv_len;
Gwn_VertBufRaw *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++) {
GWN_vertbuf_attr_get_raw_data(vbo, uv_id[i], &uv_step[i]);
}
for (uint i = 0; i < tangent_len; i++) {
GWN_vertbuf_attr_get_raw_data(vbo, tangent_id[i], &tangent_step[i]);
}
for (uint i = 0; i < vcol_len; i++) {
GWN_vertbuf_attr_get_raw_data(vbo, vcol_id[i], &vcol_step[i]);
}
/* TODO deduplicate all verts and make use of Gwn_IndexBuf 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(GWN_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])];
normal_float_to_short_v3(GWN_vertbuf_raw_step(&tangent_step[j]), elem);
}
}
/* 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(GWN_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(GWN_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_v3(GWN_vertbuf_raw_step(&tangent_step[j]), elem);
#else
copy_v3_v3(GWN_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(GWN_vertbuf_raw_step(&vcol_step[j]), elem);
}
}
}
}
vbo_len_used = GWN_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 == GWN_vertbuf_raw_used(&layers_combined_step[i]));
}
}
#endif
if (vbo_len_capacity != vbo_len_used) {
GWN_vertbuf_data_resize(vbo, vbo_len_used);
}
}
2017-05-22 16:20:54 +10:00
#undef USE_COMP_MESH_DATA
return cache->shaded_triangles_data;
}
static Gwn_VertBuf *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));
BLI_assert(rdata->edit_bmesh == NULL);
if (cache->tri_aligned_uv == NULL) {
unsigned int vidx = 0;
static Gwn_VertFormat format = { 0 };
static struct { uint uv; } attr_id;
if (format.attrib_ct == 0) {
attr_id.uv = GWN_vertformat_attr_add(&format, "uv", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
}
const int tri_len = mesh_render_data_looptri_len_get(rdata);
Gwn_VertBuf *vbo = cache->tri_aligned_uv = GWN_vertbuf_create_with_format(&format);
const int vbo_len_capacity = tri_len * 3;
int vbo_len_used = 0;
GWN_vertbuf_data_alloc(vbo, vbo_len_capacity);
const MLoopUV *mloopuv = rdata->mloopuv;
for (int i = 0; i < tri_len; i++) {
const MLoopTri *mlt = &rdata->mlooptri[i];
GWN_vertbuf_attr_set(vbo, attr_id.uv, vidx++, mloopuv[mlt->tri[0]].uv);
GWN_vertbuf_attr_set(vbo, attr_id.uv, vidx++, mloopuv[mlt->tri[1]].uv);
GWN_vertbuf_attr_set(vbo, attr_id.uv, vidx++, mloopuv[mlt->tri[2]].uv);
}
vbo_len_used = vidx;
BLI_assert(vbo_len_capacity == vbo_len_used);
2017-06-29 15:46:00 +02:00
UNUSED_VARS_NDEBUG(vbo_len_used);
}
return cache->tri_aligned_uv;
}
static Gwn_VertBuf *mesh_batch_cache_get_tri_pos_and_normals_ex(
MeshRenderData *rdata, const bool use_hide,
Gwn_VertBuf **r_vbo)
{
BLI_assert(rdata->types & (MR_DATATYPE_VERT | MR_DATATYPE_LOOPTRI | MR_DATATYPE_LOOP | MR_DATATYPE_POLY));
if (*r_vbo == NULL) {
static Gwn_VertFormat format = { 0 };
static struct { uint pos, nor; } attr_id;
if (format.attrib_ct == 0) {
attr_id.pos = GWN_vertformat_attr_add(&format, "pos", GWN_COMP_F32, 3, GWN_FETCH_FLOAT);
attr_id.nor = GWN_vertformat_attr_add(&format, "nor", GWN_COMP_I10, 3, GWN_FETCH_INT_TO_FLOAT_UNIT);
}
const int tri_len = mesh_render_data_looptri_len_get(rdata);
Gwn_VertBuf *vbo = *r_vbo = GWN_vertbuf_create_with_format(&format);
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const int vbo_len_capacity = tri_len * 3;
int vbo_len_used = 0;
GWN_vertbuf_data_alloc(vbo, vbo_len_capacity);
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Gwn_VertBufRaw pos_step, nor_step;
GWN_vertbuf_attr_get_raw_data(vbo, attr_id.pos, &pos_step);
GWN_vertbuf_attr_get_raw_data(vbo, attr_id.nor, &nor_step);
if (rdata->edit_bmesh) {
mesh_render_data_ensure_poly_normals_pack(rdata);
mesh_render_data_ensure_vert_normals_pack(rdata);
Gwn_PackedNormal *pnors_pack = rdata->poly_normals_pack;
Gwn_PackedNormal *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;
}
const uint vtri[3] = {
BM_elem_index_get(bm_looptri[0]->v),
BM_elem_index_get(bm_looptri[1]->v),
BM_elem_index_get(bm_looptri[2]->v),
};
if (BM_elem_flag_test(bm_face, BM_ELEM_SMOOTH)) {
for (uint t = 0; t < 3; t++) {
*((Gwn_PackedNormal *)GWN_vertbuf_raw_step(&nor_step)) = vnors_pack[vtri[t]];
}
}
else {
const Gwn_PackedNormal *snor_pack = &pnors_pack[BM_elem_index_get(bm_face)];
for (uint t = 0; t < 3; t++) {
*((Gwn_PackedNormal *)GWN_vertbuf_raw_step(&nor_step)) = *snor_pack;
}
}
for (uint t = 0; t < 3; t++) {
copy_v3_v3(GWN_vertbuf_raw_step(&pos_step), bm_looptri[t]->v->co);
}
}
}
else {
/* 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 (mp->flag & ME_SMOOTH) {
for (uint t = 0; t < 3; t++) {
const MVert *mv = &rdata->mvert[vtri[t]];
*((Gwn_PackedNormal *)GWN_vertbuf_raw_step(&nor_step)) = GWN_normal_convert_i10_s3(mv->no);
}
}
else {
const Gwn_PackedNormal *pnors_pack = &rdata->poly_normals_pack[mlt->poly];
for (uint t = 0; t < 3; t++) {
*((Gwn_PackedNormal *)GWN_vertbuf_raw_step(&nor_step)) = *pnors_pack;
}
}
for (uint t = 0; t < 3; t++) {
const MVert *mv = &rdata->mvert[vtri[t]];
copy_v3_v3(GWN_vertbuf_raw_step(&pos_step), mv->co);
}
}
}
vbo_len_used = GWN_vertbuf_raw_used(&pos_step);
BLI_assert(vbo_len_used == GWN_vertbuf_raw_used(&nor_step));
2017-04-19 00:10:32 +10:00
if (vbo_len_capacity != vbo_len_used) {
GWN_vertbuf_data_resize(vbo, vbo_len_used);
}
}
return *r_vbo;
}
static Gwn_VertBuf *mesh_batch_cache_get_tri_pos_and_normals(
MeshRenderData *rdata, MeshBatchCache *cache)
{
return mesh_batch_cache_get_tri_pos_and_normals_ex(
rdata, false,
&cache->pos_with_normals);
}
static Gwn_VertBuf *mesh_batch_cache_get_tri_pos_and_normals_visible_only(
MeshRenderData *rdata, MeshBatchCache *cache)
{
return mesh_batch_cache_get_tri_pos_and_normals_ex(
rdata, true,
&cache->pos_with_normals_visible_only);
}
static Gwn_VertBuf *mesh_batch_cache_get_tri_weights(
MeshRenderData *rdata, MeshBatchCache *cache, bool use_hide, int defgroup)
{
2017-05-04 03:35:01 +10:00
BLI_assert(
rdata->types &
(MR_DATATYPE_VERT | MR_DATATYPE_LOOPTRI | MR_DATATYPE_LOOP | MR_DATATYPE_POLY | MR_DATATYPE_DVERT));
if (cache->tri_aligned_weights == NULL) {
unsigned int cidx = 0;
static Gwn_VertFormat format = { 0 };
static struct { uint col; } attr_id;
if (format.attrib_ct == 0) {
attr_id.col = GWN_vertformat_attr_add(&format, "color", GWN_COMP_F32, 3, GWN_FETCH_FLOAT);
}
const int tri_len = mesh_render_data_looptri_len_get(rdata);
Gwn_VertBuf *vbo = cache->tri_aligned_weights = GWN_vertbuf_create_with_format(&format);
const int vbo_len_capacity = tri_len * 3;
int vbo_len_used = 0;
GWN_vertbuf_data_alloc(vbo, vbo_len_capacity);
mesh_render_data_ensure_vert_weight_color(rdata, defgroup);
const float (*vert_weight_color)[3] = rdata->vert_weight_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 v_index = BM_elem_index_get(ltri[tri_corner]->v);
GWN_vertbuf_attr_set(vbo, attr_id.col, cidx++, vert_weight_color[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;
GWN_vertbuf_attr_set(vbo, attr_id.col, cidx++, vert_weight_color[v_index]);
}
}
}
}
vbo_len_used = cidx;
if (vbo_len_capacity != vbo_len_used) {
GWN_vertbuf_data_resize(vbo, vbo_len_used);
}
}
return cache->tri_aligned_weights;
}
static Gwn_VertBuf *mesh_batch_cache_get_tri_vert_colors(
MeshRenderData *rdata, MeshBatchCache *cache, bool use_hide)
{
BLI_assert(
rdata->types &
(MR_DATATYPE_VERT | MR_DATATYPE_LOOPTRI | MR_DATATYPE_LOOP | MR_DATATYPE_POLY | MR_DATATYPE_LOOPCOL));
if (cache->tri_aligned_vert_colors == NULL) {
unsigned int cidx = 0;
static Gwn_VertFormat format = { 0 };
static struct { uint col; } attr_id;
if (format.attrib_ct == 0) {
attr_id.col = GWN_vertformat_attr_add(&format, "color", GWN_COMP_U8, 3, GWN_FETCH_INT_TO_FLOAT_UNIT);
}
const int tri_len = mesh_render_data_looptri_len_get(rdata);
Gwn_VertBuf *vbo = cache->tri_aligned_vert_colors = GWN_vertbuf_create_with_format(&format);
const uint vbo_len_capacity = tri_len * 3;
GWN_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]);
GWN_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];
GWN_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) {
GWN_vertbuf_data_resize(vbo, vbo_len_used);
}
}
return cache->tri_aligned_vert_colors;
}
static Gwn_VertBuf *mesh_batch_cache_get_tri_select_id(
MeshRenderData *rdata, MeshBatchCache *cache, bool use_hide)
{
BLI_assert(
rdata->types &
(MR_DATATYPE_VERT | MR_DATATYPE_LOOPTRI | MR_DATATYPE_LOOP | MR_DATATYPE_POLY));
if (cache->tri_aligned_select_id == NULL) {
unsigned int cidx = 0;
static Gwn_VertFormat format = { 0 };
static struct { uint col; } attr_id;
if (format.attrib_ct == 0) {
attr_id.col = GWN_vertformat_attr_add(&format, "color", GWN_COMP_I32, 1, GWN_FETCH_INT);
}
const int tri_len = mesh_render_data_looptri_len_get(rdata);
Gwn_VertBuf *vbo = cache->tri_aligned_select_id = GWN_vertbuf_create_with_format(&format);
const int vbo_len_capacity = tri_len * 3;
int vbo_len_used = 0;
GWN_vertbuf_data_alloc(vbo, vbo_len_capacity);
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 + 1, &select_id);
for (uint tri_corner = 0; tri_corner < 3; tri_corner++) {
GWN_vertbuf_attr_set(vbo, attr_id.col, cidx++, &select_id);
}
}
}
}
else {
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 select_id;
GPU_select_index_get(poly_index + 1, &select_id);
for (uint tri_corner = 0; tri_corner < 3; tri_corner++) {
GWN_vertbuf_attr_set(vbo, attr_id.col, cidx++, &select_id);
}
}
}
}
vbo_len_used = cidx;
if (vbo_len_capacity != vbo_len_used) {
GWN_vertbuf_data_resize(vbo, vbo_len_used);
}
}
return cache->tri_aligned_select_id;
}
static Gwn_VertBuf *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 Gwn_VertFormat format = { 0 };
static struct { uint pos, nor; } attr_id;
if (format.attrib_ct == 0) {
attr_id.pos = GWN_vertformat_attr_add(&format, "pos", GWN_COMP_F32, 3, GWN_FETCH_FLOAT);
attr_id.nor = GWN_vertformat_attr_add(&format, "nor", GWN_COMP_I16, 3, GWN_FETCH_INT_TO_FLOAT_UNIT);
}
Gwn_VertBuf *vbo = cache->pos_in_order = GWN_vertbuf_create_with_format(&format);
const int vbo_len_capacity = mesh_render_data_verts_len_get(rdata);
GWN_vertbuf_data_alloc(vbo, vbo_len_capacity);
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[3];
normal_float_to_short_v3(no_short, eve->no);
GWN_vertbuf_attr_set(vbo, attr_id.pos, i, eve->co);
GWN_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) {
GWN_vertbuf_attr_set(vbo, attr_id.pos, i, rdata->mvert[i].co);
GWN_vertbuf_attr_set(vbo, attr_id.nor, i, rdata->mvert[i].no);
}
}
}
return cache->pos_in_order;
}
static Gwn_VertFormat *edit_mesh_overlay_pos_format(unsigned int *r_pos_id)
{
static Gwn_VertFormat format_pos = { 0 };
static unsigned pos_id;
if (format_pos.attrib_ct == 0) {
pos_id = GWN_vertformat_attr_add(&format_pos, "pos", GWN_COMP_F32, 3, GWN_FETCH_FLOAT);
}
*r_pos_id = pos_id;
return &format_pos;
}
static Gwn_VertFormat *edit_mesh_overlay_nor_format(unsigned int *r_vnor_id, unsigned int *r_lnor_id)
{
static Gwn_VertFormat format_nor = { 0 };
static Gwn_VertFormat format_nor_loop = { 0 };
static unsigned vnor_id, vnor_loop_id, lnor_id;
if (format_nor.attrib_ct == 0) {
vnor_id = GWN_vertformat_attr_add(&format_nor, "vnor", GWN_COMP_I10, 3, GWN_FETCH_INT_TO_FLOAT_UNIT);
vnor_loop_id = GWN_vertformat_attr_add(&format_nor_loop, "vnor", GWN_COMP_I10, 3, GWN_FETCH_INT_TO_FLOAT_UNIT);
lnor_id = GWN_vertformat_attr_add(&format_nor_loop, "lnor", GWN_COMP_I10, 3, GWN_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 Gwn_VertFormat *edit_mesh_overlay_data_format(unsigned int *r_data_id)
{
static Gwn_VertFormat format_flag = { 0 };
static unsigned data_id;
if (format_flag.attrib_ct == 0) {
data_id = GWN_vertformat_attr_add(&format_flag, "data", GWN_COMP_U8, 4, GWN_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));
const int tri_len = mesh_render_data_looptri_len_get(rdata);
const int vbo_len_capacity = tri_len * 3;
int vbo_len_used = 0;
/* Positions */
Gwn_VertBuf *vbo_pos = NULL;
static struct { uint pos, vnor, lnor, data; } attr_id;
if (cache->ed_tri_pos == NULL) {
vbo_pos = cache->ed_tri_pos =
GWN_vertbuf_create_with_format(edit_mesh_overlay_pos_format(&attr_id.pos));
GWN_vertbuf_data_alloc(vbo_pos, vbo_len_capacity);
}
/* Normals */
Gwn_VertBuf *vbo_nor = NULL;
if (cache->ed_tri_nor == NULL) {
vbo_nor = cache->ed_tri_nor =
GWN_vertbuf_create_with_format(edit_mesh_overlay_nor_format(&attr_id.vnor, &attr_id.lnor));
GWN_vertbuf_data_alloc(vbo_nor, vbo_len_capacity);
}
/* Data */
Gwn_VertBuf *vbo_data = NULL;
if (cache->ed_tri_data == NULL) {
vbo_data = cache->ed_tri_data =
GWN_vertbuf_create_with_format(edit_mesh_overlay_data_format(&attr_id.data));
GWN_vertbuf_data_alloc(vbo_data, vbo_len_capacity);
}
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,
attr_id.pos, attr_id.vnor, attr_id.lnor, attr_id.data,
bm_looptri, vbo_len_used);
vbo_len_used += 3;
}
}
/* Finish */
if (vbo_len_used != vbo_len_capacity) {
if (vbo_pos != NULL) {
GWN_vertbuf_data_resize(vbo_pos, vbo_len_used);
}
if (vbo_nor != NULL) {
GWN_vertbuf_data_resize(vbo_nor, vbo_len_used);
}
if (vbo_data != NULL) {
GWN_vertbuf_data_resize(vbo_data, vbo_len_used);
}
}
}
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(rdata);
const int vbo_len_capacity = ledge_len * 2;
int vbo_len_used = 0;
/* Positions */
Gwn_VertBuf *vbo_pos = NULL;
static struct { uint pos, vnor, data; } attr_id;
if (cache->ed_ledge_pos == NULL) {
vbo_pos = cache->ed_ledge_pos =
GWN_vertbuf_create_with_format(edit_mesh_overlay_pos_format(&attr_id.pos));
GWN_vertbuf_data_alloc(vbo_pos, vbo_len_capacity);
}
/* Normals */
Gwn_VertBuf *vbo_nor = NULL;
if (cache->ed_ledge_nor == NULL) {
vbo_nor = cache->ed_ledge_nor =
GWN_vertbuf_create_with_format(edit_mesh_overlay_nor_format(&attr_id.vnor, NULL));
GWN_vertbuf_data_alloc(vbo_nor, vbo_len_capacity);
}
/* Data */
Gwn_VertBuf *vbo_data = NULL;
if (cache->ed_ledge_data == NULL) {
vbo_data = cache->ed_ledge_data =
GWN_vertbuf_create_with_format(edit_mesh_overlay_data_format(&attr_id.data));
GWN_vertbuf_data_alloc(vbo_data, vbo_len_capacity);
}
if (rdata->edit_bmesh) {
BMesh *bm = rdata->edit_bmesh->bm;
for (uint i = 0; i < ledge_len; i++) {
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const BMEdge *eed = BM_edge_at_index(bm, rdata->loose_edges[i]);
if (!BM_elem_flag_test(eed, BM_ELEM_HIDDEN)) {
add_overlay_loose_edge(
rdata, vbo_pos, vbo_nor, vbo_data,
attr_id.pos, attr_id.vnor, attr_id.data,
2017-05-24 13:33:48 +10:00
eed, vbo_len_used);
vbo_len_used += 2;
}
}
}
/* Finish */
if (vbo_len_used != vbo_len_capacity) {
if (vbo_pos != NULL) {
GWN_vertbuf_data_resize(vbo_pos, vbo_len_used);
}
if (vbo_nor != NULL) {
GWN_vertbuf_data_resize(vbo_nor, vbo_len_used);
}
if (vbo_data != NULL) {
GWN_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(rdata);
const int vbo_len_capacity = lvert_len;
int vbo_len_used = 0;
static struct { uint pos, vnor, data; } attr_id;
/* Positions */
Gwn_VertBuf *vbo_pos = NULL;
if (cache->ed_lvert_pos == NULL) {
vbo_pos = cache->ed_lvert_pos =
GWN_vertbuf_create_with_format(edit_mesh_overlay_pos_format(&attr_id.pos));
GWN_vertbuf_data_alloc(vbo_pos, vbo_len_capacity);
}
/* Normals */
Gwn_VertBuf *vbo_nor = NULL;
if (cache->ed_lvert_nor == NULL) {
vbo_nor = cache->ed_lvert_nor =
GWN_vertbuf_create_with_format(edit_mesh_overlay_nor_format(&attr_id.vnor, NULL));
GWN_vertbuf_data_alloc(vbo_nor, vbo_len_capacity);
}
/* Data */
Gwn_VertBuf *vbo_data = NULL;
if (cache->ed_lvert_data == NULL) {
vbo_data = cache->ed_lvert_data =
GWN_vertbuf_create_with_format(edit_mesh_overlay_data_format(&attr_id.data));
GWN_vertbuf_data_alloc(vbo_data, vbo_len_capacity);
}
for (uint i = 0; i < lvert_len; i++) {
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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,
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eve, vbo_len_used);
vbo_len_used += 1;
}
/* Finish */
if (vbo_len_used != vbo_len_capacity) {
if (vbo_pos != NULL) {
GWN_vertbuf_data_resize(vbo_pos, vbo_len_used);
}
if (vbo_nor != NULL) {
GWN_vertbuf_data_resize(vbo_nor, vbo_len_used);
}
if (vbo_data != NULL) {
GWN_vertbuf_data_resize(vbo_data, vbo_len_used);
}
}
}
/* Position */
static Gwn_VertBuf *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 Gwn_VertBuf *mesh_batch_cache_get_edit_ledge_pos(
MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & MR_DATATYPE_VERT);
if (cache->ed_ledge_pos == NULL) {
mesh_batch_cache_create_overlay_ledge_buffers(rdata, cache);
}
return cache->ed_ledge_pos;
}
static Gwn_VertBuf *mesh_batch_cache_get_edit_lvert_pos(
MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & MR_DATATYPE_VERT);
if (cache->ed_lvert_pos == NULL) {
mesh_batch_cache_create_overlay_lvert_buffers(rdata, cache);
}
return cache->ed_lvert_pos;
}
/* Normal */
static Gwn_VertBuf *mesh_batch_cache_get_edit_tri_nor(
MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & MR_DATATYPE_VERT);
if (cache->ed_tri_nor == NULL) {
mesh_batch_cache_create_overlay_tri_buffers(rdata, cache);
}
return cache->ed_tri_nor;
}
static Gwn_VertBuf *mesh_batch_cache_get_edit_ledge_nor(
MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & MR_DATATYPE_VERT);
if (cache->ed_ledge_nor == NULL) {
mesh_batch_cache_create_overlay_ledge_buffers(rdata, cache);
}
return cache->ed_ledge_nor;
}
static Gwn_VertBuf *mesh_batch_cache_get_edit_lvert_nor(
MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & MR_DATATYPE_VERT);
if (cache->ed_lvert_nor == NULL) {
mesh_batch_cache_create_overlay_lvert_buffers(rdata, cache);
}
return cache->ed_lvert_nor;
}
/* Data */
static Gwn_VertBuf *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 Gwn_VertBuf *mesh_batch_cache_get_edit_ledge_data(
MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & MR_DATATYPE_VERT);
if (cache->ed_ledge_data == NULL) {
mesh_batch_cache_create_overlay_ledge_buffers(rdata, cache);
}
return cache->ed_ledge_data;
}
static Gwn_VertBuf *mesh_batch_cache_get_edit_lvert_data(
MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & MR_DATATYPE_VERT);
if (cache->ed_lvert_data == NULL) {
mesh_batch_cache_create_overlay_lvert_buffers(rdata, cache);
}
return cache->ed_lvert_data;
}
static Gwn_IndexBuf *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);
Gwn_IndexBufBuilder elb;
GWN_indexbuf_init(&elb, GWN_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;
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BMEdge *eed;
BM_ITER_MESH(eed, &eiter, bm, BM_EDGES_OF_MESH) {
if (!BM_elem_flag_test(eed, BM_ELEM_HIDDEN)) {
GWN_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++) {
GWN_indexbuf_add_line_verts(&elb, ed->v1, ed->v2);
}
}
cache->edges_in_order = GWN_indexbuf_build(&elb);
}
return cache->edges_in_order;
}
static Gwn_IndexBuf *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);
Gwn_IndexBufBuilder elb;
GWN_indexbuf_init(&elb, GWN_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++) {
GWN_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++) {
GWN_indexbuf_add_generic_vert(&elb, mlt->tri[tri_corner]);
}
}
}
cache->triangles_in_order = GWN_indexbuf_build(&elb);
}
return cache->triangles_in_order;
}
static Gwn_IndexBuf **mesh_batch_cache_get_triangles_in_order_split_by_material(
MeshRenderData *rdata, MeshBatchCache *cache)
{
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__);
Gwn_IndexBufBuilder *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;
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BMFace *efa;
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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 {
for (uint i = 0; i < poly_len; i++) {
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) {
GWN_indexbuf_init(&elb[i], GWN_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;
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BMFace *efa;
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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++) {
GWN_indexbuf_add_tri_verts(&elb[ma_id], nidx + 0, nidx + 1, nidx + 2);
nidx += 3;
}
}
}
}
else {
for (uint i = 0; i < poly_len; i++) {
const MPoly *mp = &rdata->mpoly[i]; ;
const short ma_id = mp->mat_nr < mat_len ? mp->mat_nr : 0;
for (int j = 2; j < mp->totloop; j++) {
GWN_indexbuf_add_tri_verts(&elb[ma_id], nidx + 0, nidx + 1, nidx + 2);
nidx += 3;
}
}
}
/* Build ELBs. */
for (int i = 0; i < mat_len; ++i) {
cache->shaded_triangles_in_order[i] = GWN_indexbuf_build(&elb[i]);
}
MEM_freeN(mat_tri_len);
MEM_freeN(elb);
}
return cache->shaded_triangles_in_order;
}
static Gwn_VertBuf *mesh_batch_cache_get_edge_pos_with_sel(
MeshRenderData *rdata, MeshBatchCache *cache, bool use_wire, bool use_select_bool)
{
BLI_assert(rdata->types & (MR_DATATYPE_VERT | MR_DATATYPE_EDGE | MR_DATATYPE_POLY | MR_DATATYPE_LOOP));
BLI_assert(rdata->edit_bmesh == NULL);
if (!cache->edge_pos_with_select_bool) {
unsigned int vidx = 0, cidx = 0;
static Gwn_VertFormat format = { 0 };
static struct { uint pos, sel; } attr_id;
if (format.attrib_ct == 0) {
attr_id.pos = GWN_vertformat_attr_add(&format, "pos", GWN_COMP_F32, 3, GWN_FETCH_FLOAT);
attr_id.sel = GWN_vertformat_attr_add(&format, "select", GWN_COMP_U8, 1, GWN_FETCH_INT);
}
const int edge_len = mesh_render_data_edges_len_get(rdata);
Gwn_VertBuf *vbo = cache->edge_pos_with_select_bool = GWN_vertbuf_create_with_format(&format);
const int vbo_len_capacity = edge_len * 2;
int vbo_len_used = 0;
GWN_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;
for (int i = 0; i < edge_len; i++) {
const MEdge *ed = &rdata->medge[i];
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;
}
GWN_vertbuf_attr_set(vbo, attr_id.sel, cidx++, &edge_vert_sel);
GWN_vertbuf_attr_set(vbo, attr_id.sel, cidx++, &edge_vert_sel);
GWN_vertbuf_attr_set(vbo, attr_id.pos, vidx++, rdata->mvert[ed->v1].co);
GWN_vertbuf_attr_set(vbo, attr_id.pos, vidx++, rdata->mvert[ed->v2].co);
}
vbo_len_used = vidx;
if (vbo_len_capacity != vbo_len_used) {
GWN_vertbuf_data_resize(vbo, vbo_len_used);
}
}
return cache->edge_pos_with_select_bool;
}
static Gwn_IndexBuf *mesh_batch_cache_get_tri_overlay_weight_faces(
MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & (MR_DATATYPE_VERT | MR_DATATYPE_LOOPTRI));
if (cache->overlay_triangles_vpaint == NULL) {
const int vert_len = mesh_render_data_verts_len_get(rdata);
const int tri_len = mesh_render_data_looptri_len_get(rdata);
Gwn_IndexBufBuilder elb;
GWN_indexbuf_init(&elb, GWN_PRIM_TRIS, tri_len, vert_len);
for (int i = 0; i < tri_len; ++i) {
const MLoopTri *mlt = &rdata->mlooptri[i];
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if (!(rdata->mpoly[mlt->poly].flag & (ME_FACE_SEL | ME_HIDE))) {
for (uint tri_corner = 0; tri_corner < 3; tri_corner++) {
GWN_indexbuf_add_generic_vert(&elb, rdata->mloop[mlt->tri[tri_corner]].v);
}
}
}
cache->overlay_triangles_vpaint = GWN_indexbuf_build(&elb);
}
return cache->overlay_triangles_vpaint;
}
/**
* Non-edit mode vertices (only used for weight-paint mode).
*/
static Gwn_VertBuf *mesh_batch_cache_get_vert_pos_with_overlay_data(
MeshRenderData *rdata, MeshBatchCache *cache)
{
BLI_assert(rdata->types & (MR_DATATYPE_VERT));
BLI_assert(rdata->edit_bmesh == NULL);
if (cache->pos_with_select_bool == NULL) {
unsigned int cidx = 0;
static Gwn_VertFormat format = { 0 };
static struct { uint data; } attr_id;
if (format.attrib_ct == 0) {
attr_id.data = GWN_vertformat_attr_add(&format, "data", GWN_COMP_I8, 1, GWN_FETCH_INT);
}
const int vert_len = mesh_render_data_verts_len_get(rdata);
Gwn_VertBuf *vbo = cache->pos_with_select_bool = GWN_vertbuf_create_with_format(&format);
const int vbo_len_capacity = vert_len;
int vbo_len_used = 0;
GWN_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);
GWN_vertbuf_attr_set(vbo, attr_id.data, cidx++, &data);
}
vbo_len_used = cidx;
if (vbo_len_capacity != vbo_len_used) {
GWN_vertbuf_data_resize(vbo, vbo_len_used);
}
}
return cache->pos_with_select_bool;
}
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/** \} */
/* ---------------------------------------------------------------------- */
/** \name Public API
* \{ */
Gwn_Batch *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 */
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const int datatype = MR_DATATYPE_VERT | MR_DATATYPE_EDGE;
MeshRenderData *rdata = mesh_render_data_create(me, datatype);
cache->all_edges = GWN_batch_create(
GWN_PRIM_LINES, mesh_batch_cache_get_vert_pos_and_nor_in_order(rdata, cache),
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mesh_batch_cache_get_edges_in_order(rdata, cache));
mesh_render_data_free(rdata);
}
return cache->all_edges;
}
Gwn_Batch *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 */
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const int datatype = MR_DATATYPE_VERT | MR_DATATYPE_LOOPTRI;
MeshRenderData *rdata = mesh_render_data_create(me, datatype);
cache->all_triangles = GWN_batch_create(
GWN_PRIM_TRIS, mesh_batch_cache_get_vert_pos_and_nor_in_order(rdata, cache),
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mesh_batch_cache_get_triangles_in_order(rdata, cache));
mesh_render_data_free(rdata);
}
return cache->all_triangles;
}
Gwn_Batch *DRW_mesh_batch_cache_get_triangles_with_normals(Mesh *me)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->triangles_with_normals == NULL) {
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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 = GWN_batch_create(
GWN_PRIM_TRIS, mesh_batch_cache_get_tri_pos_and_normals(rdata, cache), NULL);
mesh_render_data_free(rdata);
}
return cache->triangles_with_normals;
}
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Gwn_Batch *DRW_mesh_batch_cache_get_triangles_with_normals_and_weights(Mesh *me, int defgroup)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->triangles_with_weights == NULL) {
const bool use_hide = (me->editflag & (ME_EDIT_PAINT_VERT_SEL | ME_EDIT_PAINT_FACE_SEL)) != 0;
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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 = GWN_batch_create(
GWN_PRIM_TRIS, mesh_batch_cache_get_tri_weights(rdata, cache, use_hide, defgroup), NULL);
Gwn_VertBuf *vbo_tris = use_hide ?
mesh_batch_cache_get_tri_pos_and_normals_visible_only(rdata, cache) :
mesh_batch_cache_get_tri_pos_and_normals(rdata, cache);
GWN_batch_vertbuf_add(cache->triangles_with_weights, vbo_tris);
mesh_render_data_free(rdata);
}
return cache->triangles_with_weights;
}
Gwn_Batch *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 = GWN_batch_create(
GWN_PRIM_TRIS, mesh_batch_cache_get_tri_vert_colors(rdata, cache, use_hide), NULL);
Gwn_VertBuf *vbo_tris = use_hide ?
mesh_batch_cache_get_tri_pos_and_normals_visible_only(rdata, cache) :
mesh_batch_cache_get_tri_pos_and_normals(rdata, cache);
GWN_batch_vertbuf_add(cache->triangles_with_vert_colors, vbo_tris);
mesh_render_data_free(rdata);
}
return cache->triangles_with_vert_colors;
}
struct Gwn_Batch *DRW_mesh_batch_cache_get_triangles_with_select_id(struct Mesh *me, bool use_hide)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
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);
cache->triangles_with_select_id = GWN_batch_create(
GWN_PRIM_TRIS, mesh_batch_cache_get_tri_select_id(rdata, cache, use_hide), NULL);
Gwn_VertBuf *vbo_tris = use_hide ?
mesh_batch_cache_get_tri_pos_and_normals_visible_only(rdata, cache) :
mesh_batch_cache_get_tri_pos_and_normals(rdata, cache);
GWN_batch_vertbuf_add(cache->triangles_with_select_id, vbo_tris);
mesh_render_data_free(rdata);
}
return cache->triangles_with_select_id;
}
Gwn_Batch *DRW_mesh_batch_cache_get_points_with_normals(Mesh *me)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->points_with_normals == NULL) {
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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 = GWN_batch_create(
GWN_PRIM_POINTS, mesh_batch_cache_get_tri_pos_and_normals(rdata, cache), NULL);
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mesh_render_data_free(rdata);
}
return cache->points_with_normals;
}
Gwn_Batch *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 = GWN_batch_create(
GWN_PRIM_POINTS, mesh_batch_cache_get_vert_pos_and_nor_in_order(rdata, cache), NULL);
mesh_render_data_free(rdata);
}
return cache->all_verts;
}
Gwn_Batch *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 Gwn_VertFormat format = { 0 };
static struct { uint pos, n1, n2; } attr_id;
if (format.attrib_ct == 0) {
attr_id.pos = GWN_vertformat_attr_add(&format, "pos", GWN_COMP_F32, 3, GWN_FETCH_FLOAT);
attr_id.n1 = GWN_vertformat_attr_add(&format, "N1", GWN_COMP_I10, 3, GWN_FETCH_INT_TO_FLOAT_UNIT);
attr_id.n2 = GWN_vertformat_attr_add(&format, "N2", GWN_COMP_I10, 3, GWN_FETCH_INT_TO_FLOAT_UNIT);
}
Gwn_VertBuf *vbo = GWN_vertbuf_create_with_format(&format);
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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);
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const int vbo_len_capacity = edge_len * 2; /* these are PRIM_LINE verts, not mesh verts */
int vbo_len_used = 0;
GWN_vertbuf_data_alloc(vbo, vbo_len_capacity);
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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)) {
Gwn_PackedNormal n1value = { .x = 0, .y = 0, .z = +511 };
Gwn_PackedNormal n2value = { .x = 0, .y = 0, .z = -511 };
if (is_manifold) {
n1value = GWN_normal_convert_i10_v3(pnor1);
n2value = GWN_normal_convert_i10_v3(pnor2);
}
const Gwn_PackedNormal *n1 = &n1value;
const Gwn_PackedNormal *n2 = &n2value;
GWN_vertbuf_attr_set(vbo, attr_id.pos, 2 * i, vcos1);
GWN_vertbuf_attr_set(vbo, attr_id.n1, 2 * i, n1);
GWN_vertbuf_attr_set(vbo, attr_id.n2, 2 * i, n2);
GWN_vertbuf_attr_set(vbo, attr_id.pos, 2 * i + 1, vcos2);
GWN_vertbuf_attr_set(vbo, attr_id.n1, 2 * i + 1, n1);
GWN_vertbuf_attr_set(vbo, attr_id.n2, 2 * i + 1, n2);
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vbo_len_used += 2;
}
}
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if (vbo_len_used != vbo_len_capacity) {
GWN_vertbuf_data_resize(vbo, vbo_len_used);
}
cache->fancy_edges = GWN_batch_create(GWN_PRIM_LINES, vbo, NULL);
mesh_render_data_free(rdata);
}
return cache->fancy_edges;
}
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 */
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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 (cache->overlay_triangles == NULL) {
cache->overlay_triangles = GWN_batch_create(
GWN_PRIM_TRIS, mesh_batch_cache_get_edit_tri_pos(rdata, cache), NULL);
GWN_batch_vertbuf_add(cache->overlay_triangles, mesh_batch_cache_get_edit_tri_nor(rdata, cache));
GWN_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 = GWN_batch_create(
GWN_PRIM_LINES, mesh_batch_cache_get_edit_ledge_pos(rdata, cache), NULL);
GWN_batch_vertbuf_add(cache->overlay_loose_edges, mesh_batch_cache_get_edit_ledge_nor(rdata, cache));
GWN_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 = GWN_batch_create(
GWN_PRIM_POINTS, mesh_batch_cache_get_edit_lvert_pos(rdata, cache), NULL);
GWN_batch_vertbuf_add(cache->overlay_loose_verts, mesh_batch_cache_get_edit_lvert_nor(rdata, cache));
GWN_batch_vertbuf_add(cache->overlay_loose_verts, mesh_batch_cache_get_edit_lvert_data(rdata, cache));
}
if (cache->overlay_triangles_nor == NULL) {
cache->overlay_triangles_nor = GWN_batch_create(
GWN_PRIM_POINTS, mesh_batch_cache_get_edit_tri_pos(rdata, cache), NULL);
GWN_batch_vertbuf_add(cache->overlay_triangles_nor, mesh_batch_cache_get_edit_tri_nor(rdata, cache));
}
if (cache->overlay_loose_edges_nor == NULL) {
cache->overlay_loose_edges_nor = GWN_batch_create(
GWN_PRIM_POINTS, mesh_batch_cache_get_edit_ledge_pos(rdata, cache), NULL);
GWN_batch_vertbuf_add(cache->overlay_loose_edges_nor, mesh_batch_cache_get_edit_ledge_nor(rdata, cache));
}
mesh_render_data_free(rdata);
}
Gwn_Batch *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;
}
Gwn_Batch *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;
}
Gwn_Batch *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;
}
Gwn_Batch *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;
}
Gwn_Batch *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;
}
Gwn_Batch *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);
static Gwn_VertFormat format = { 0 };
static struct { uint pos, data; } attr_id;
if (format.attrib_ct == 0) {
attr_id.pos = GWN_vertformat_attr_add(&format, "pos", GWN_COMP_F32, 3, GWN_FETCH_FLOAT);
attr_id.data = GWN_vertformat_attr_add(&format, "norAndFlag", GWN_COMP_I10, 4, GWN_FETCH_INT_TO_FLOAT_UNIT);
}
const int vbo_len_capacity = mesh_render_data_polys_len_get(rdata);
int vidx = 0;
Gwn_VertBuf *vbo = GWN_vertbuf_create_with_format(&format);
GWN_vertbuf_data_alloc(vbo, vbo_len_capacity);
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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)) {
Gwn_PackedNormal nor = { .x = 0, .y = 0, .z = -511 };
nor = GWN_normal_convert_i10_v3(pnor);
nor.w = selected ? 1 : 0;
GWN_vertbuf_attr_set(vbo, attr_id.data, vidx, &nor);
GWN_vertbuf_attr_set(vbo, attr_id.pos, vidx, pcenter);
vidx += 1;
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}
}
const int vbo_len_used = vidx;
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if (vbo_len_used != vbo_len_capacity) {
GWN_vertbuf_data_resize(vbo, vbo_len_used);
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}
cache->overlay_facedots = GWN_batch_create(GWN_PRIM_POINTS, vbo, NULL);
mesh_render_data_free(rdata);
}
return cache->overlay_facedots;
}
Gwn_Batch **DRW_mesh_batch_cache_get_surface_shaded(
Mesh *me, struct GPUMaterial **gpumat_array, uint gpumat_array_len)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->shaded_triangles == NULL) {
/* create batch from DM */
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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);
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const int mat_len = mesh_render_data_mat_len_get(rdata);
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cache->shaded_triangles = MEM_callocN(sizeof(*cache->shaded_triangles) * mat_len, __func__);
Gwn_IndexBuf **el = mesh_batch_cache_get_triangles_in_order_split_by_material(rdata, cache);
Gwn_VertBuf *vbo = mesh_batch_cache_get_tri_pos_and_normals(rdata, cache);
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for (int i = 0; i < mat_len; ++i) {
cache->shaded_triangles[i] = GWN_batch_create(
GWN_PRIM_TRIS, vbo, el[i]);
Gwn_VertBuf *vbo_shading = mesh_batch_cache_get_tri_shading_data(rdata, cache);
if (vbo_shading) {
GWN_batch_vertbuf_add(cache->shaded_triangles[i], vbo_shading);
}
}
mesh_render_data_free(rdata);
}
return cache->shaded_triangles;
}
Gwn_Batch **DRW_mesh_batch_cache_get_surface_texpaint(Mesh *me)
{
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;
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__);
Gwn_IndexBuf **el = mesh_batch_cache_get_triangles_in_order_split_by_material(rdata, cache);
Gwn_VertBuf *vbo = mesh_batch_cache_get_tri_pos_and_normals(rdata, cache);
for (int i = 0; i < mat_len; ++i) {
cache->texpaint_triangles[i] = GWN_batch_create(
GWN_PRIM_TRIS, vbo, el[i]);
Gwn_VertBuf *vbo_uv = mesh_batch_cache_get_tri_uv_active(rdata, cache);
if (vbo_uv) {
GWN_batch_vertbuf_add(cache->texpaint_triangles[i], vbo_uv);
}
}
mesh_render_data_free(rdata);
}
return cache->texpaint_triangles;
}
Gwn_Batch *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);
Gwn_VertBuf *vbo = mesh_batch_cache_get_tri_pos_and_normals(rdata, cache);
cache->texpaint_triangles_single = GWN_batch_create(
GWN_PRIM_TRIS, vbo, NULL);
Gwn_VertBuf *vbo_uv = mesh_batch_cache_get_tri_uv_active(rdata, cache);
if (vbo_uv) {
GWN_batch_vertbuf_add(cache->texpaint_triangles_single, vbo_uv);
}
mesh_render_data_free(rdata);
}
return cache->texpaint_triangles_single;
}
Gwn_Batch *DRW_mesh_batch_cache_get_weight_overlay_edges(Mesh *me, bool use_wire, bool use_sel)
{
MeshBatchCache *cache = mesh_batch_cache_get(me);
if (cache->overlay_paint_edges == NULL) {
/* create batch from Mesh */
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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 = GWN_batch_create(
GWN_PRIM_LINES, mesh_batch_cache_get_edge_pos_with_sel(rdata, cache, use_wire, use_sel), NULL);
mesh_render_data_free(rdata);
}
return cache->overlay_paint_edges;
}
Gwn_Batch *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 */
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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 = GWN_batch_create(
GWN_PRIM_TRIS, mesh_batch_cache_get_vert_pos_and_nor_in_order(rdata, cache),
mesh_batch_cache_get_tri_overlay_weight_faces(rdata, cache));
mesh_render_data_free(rdata);
}
return cache->overlay_weight_faces;
}
Gwn_Batch *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 = GWN_batch_create(
GWN_PRIM_POINTS, mesh_batch_cache_get_vert_pos_and_nor_in_order(rdata, cache), NULL);
GWN_batch_vertbuf_add(
cache->overlay_weight_verts,
mesh_batch_cache_get_vert_pos_with_overlay_data(rdata, cache));
mesh_render_data_free(rdata);
}
return cache->overlay_weight_verts;
}
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/** \} */
#undef MESH_RENDER_FUNCTION