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Differential D16893 Diff 59260 source/blender/render/intern/bake.cc

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source/blender/render/intern/bake.cc

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TriTessFace *triangles; TriTessFace *triangles;
/* calculate normal for each polygon only once */ /* calculate normal for each polygon only once */
uint mpoly_prev = UINT_MAX; uint mpoly_prev = UINT_MAX;
float no[3]; float no[3];
const float(*positions)[3] = BKE_mesh_vert_positions(me); const float(*positions)[3] = BKE_mesh_vert_positions(me);
const MPoly *polys = BKE_mesh_polys(me); const MPoly *polys = BKE_mesh_polys(me);
const MLoop *loops = BKE_mesh_loops(me); const int *corner_verts = BKE_mesh_corner_verts(me);
looptri = static_cast<MLoopTri *>(MEM_mallocN(sizeof(*looptri) * tottri, __func__)); looptri = static_cast<MLoopTri *>(MEM_mallocN(sizeof(*looptri) * tottri, __func__));
triangles = static_cast<TriTessFace *>(MEM_callocN(sizeof(TriTessFace) * tottri, __func__)); triangles = static_cast<TriTessFace *>(MEM_callocN(sizeof(TriTessFace) * tottri, __func__));
const float(*precomputed_normals)[3] = BKE_mesh_poly_normals_are_dirty(me) ? const float(*precomputed_normals)[3] = BKE_mesh_poly_normals_are_dirty(me) ?
nullptr : nullptr :
BKE_mesh_poly_normals_ensure(me); BKE_mesh_poly_normals_ensure(me);
const bool calculate_normal = precomputed_normals ? false : true; const bool calculate_normal = precomputed_normals ? false : true;
if (precomputed_normals != nullptr) { if (precomputed_normals != nullptr) {
BKE_mesh_recalc_looptri_with_normals( BKE_mesh_recalc_looptri_with_normals(
loops, polys, positions, me->totloop, me->totpoly, looptri, precomputed_normals); corner_verts, polys, positions, me->totloop, me->totpoly, looptri, precomputed_normals);
} }
else { else {
BKE_mesh_recalc_looptri(loops, polys, positions, me->totloop, me->totpoly, looptri); BKE_mesh_recalc_looptri(corner_verts, polys, positions, me->totloop, me->totpoly, looptri);
} }
const TSpace *tspace = nullptr; const TSpace *tspace = nullptr;
const float(*loop_normals)[3] = nullptr; const float(*loop_normals)[3] = nullptr;
if (tangent) { if (tangent) {
BKE_mesh_ensure_normals_for_display(me_eval); BKE_mesh_ensure_normals_for_display(me_eval);
BKE_mesh_calc_normals_split(me_eval); BKE_mesh_calc_normals_split(me_eval);
BKE_mesh_calc_loop_tangents(me_eval, true, nullptr, 0); BKE_mesh_calc_loop_tangents(me_eval, true, nullptr, 0);
tspace = static_cast<const TSpace *>(CustomData_get_layer(&me_eval->ldata, CD_TANGENT)); tspace = static_cast<const TSpace *>(CustomData_get_layer(&me_eval->ldata, CD_TANGENT));
BLI_assert(tspace); BLI_assert(tspace);
loop_normals = static_cast<const float(*)[3]>( loop_normals = static_cast<const float(*)[3]>(
CustomData_get_layer(&me_eval->ldata, CD_NORMAL)); CustomData_get_layer(&me_eval->ldata, CD_NORMAL));
} }
const float(*vert_normals)[3] = BKE_mesh_vertex_normals_ensure(me); const float(*vert_normals)[3] = BKE_mesh_vertex_normals_ensure(me);
for (i = 0; i < tottri; i++) { for (i = 0; i < tottri; i++) {
const MLoopTri *lt = &looptri[i]; const MLoopTri *lt = &looptri[i];
const MPoly *mp = &polys[lt->poly]; const MPoly *mp = &polys[lt->poly];
triangles[i].positions[0] = positions[loops[lt->tri[0]].v]; triangles[i].positions[0] = positions[corner_verts[lt->tri[0]]];
triangles[i].positions[1] = positions[loops[lt->tri[1]].v]; triangles[i].positions[1] = positions[corner_verts[lt->tri[1]]];
triangles[i].positions[2] = positions[loops[lt->tri[2]].v]; triangles[i].positions[2] = positions[corner_verts[lt->tri[2]]];
triangles[i].vert_normals[0] = vert_normals[loops[lt->tri[0]].v]; triangles[i].vert_normals[0] = vert_normals[corner_verts[lt->tri[0]]];
triangles[i].vert_normals[1] = vert_normals[loops[lt->tri[1]].v]; triangles[i].vert_normals[1] = vert_normals[corner_verts[lt->tri[1]]];
triangles[i].vert_normals[2] = vert_normals[loops[lt->tri[2]].v]; triangles[i].vert_normals[2] = vert_normals[corner_verts[lt->tri[2]]];
triangles[i].is_smooth = (mp->flag & ME_SMOOTH) != 0; triangles[i].is_smooth = (mp->flag & ME_SMOOTH) != 0;
if (tangent) { if (tangent) {
triangles[i].tspace[0] = &tspace[lt->tri[0]]; triangles[i].tspace[0] = &tspace[lt->tri[0]];
triangles[i].tspace[1] = &tspace[lt->tri[1]]; triangles[i].tspace[1] = &tspace[lt->tri[1]];
triangles[i].tspace[2] = &tspace[lt->tri[2]]; triangles[i].tspace[2] = &tspace[lt->tri[2]];
} }
if (loop_normals) { if (loop_normals) {
triangles[i].loop_normal[0] = loop_normals[lt->tri[0]]; triangles[i].loop_normal[0] = loop_normals[lt->tri[0]];
triangles[i].loop_normal[1] = loop_normals[lt->tri[1]]; triangles[i].loop_normal[1] = loop_normals[lt->tri[1]];
triangles[i].loop_normal[2] = loop_normals[lt->tri[2]]; triangles[i].loop_normal[2] = loop_normals[lt->tri[2]];
} }
if (calculate_normal) { if (calculate_normal) {
if (lt->poly != mpoly_prev) { if (lt->poly != mpoly_prev) {
BKE_mesh_calc_poly_normal(mp, &loops[mp->loopstart], positions, no); BKE_mesh_calc_poly_normal(mp, &corner_verts[mp->loopstart], positions, no);
mpoly_prev = lt->poly; mpoly_prev = lt->poly;
} }
copy_v3_v3(triangles[i].normal, no); copy_v3_v3(triangles[i].normal, no);
} }
else { else {
copy_v3_v3(triangles[i].normal, precomputed_normals[lt->poly]); copy_v3_v3(triangles[i].normal, precomputed_normals[lt->poly]);
} }
} }
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zbuf_alloc_span(&bd.zspan[i], targets->images[i].width, targets->images[i].height); zbuf_alloc_span(&bd.zspan[i], targets->images[i].width, targets->images[i].height);
} }
const int tottri = poly_to_tri_count(me->totpoly, me->totloop); const int tottri = poly_to_tri_count(me->totpoly, me->totloop);
MLoopTri *looptri = static_cast<MLoopTri *>(MEM_mallocN(sizeof(*looptri) * tottri, __func__)); MLoopTri *looptri = static_cast<MLoopTri *>(MEM_mallocN(sizeof(*looptri) * tottri, __func__));
const float(*positions)[3] = BKE_mesh_vert_positions(me); const float(*positions)[3] = BKE_mesh_vert_positions(me);
const MPoly *polys = BKE_mesh_polys(me); const MPoly *polys = BKE_mesh_polys(me);
const MLoop *loops = BKE_mesh_loops(me); const int *corner_verts = BKE_mesh_corner_verts(me);
BKE_mesh_recalc_looptri(loops, polys, positions, me->totloop, me->totpoly, looptri); BKE_mesh_recalc_looptri(corner_verts, polys, positions, me->totloop, me->totpoly, looptri);
const int *material_indices = BKE_mesh_material_indices(me); const int *material_indices = BKE_mesh_material_indices(me);
const int materials_num = targets->materials_num; const int materials_num = targets->materials_num;
for (int i = 0; i < tottri; i++) { for (int i = 0; i < tottri; i++) {
const MLoopTri *lt = &looptri[i]; const MLoopTri *lt = &looptri[i];
bd.primitive_id = i; bd.primitive_id = i;
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