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Fix visibility of instancer object #43

Merged
Bogdan Nagirniak merged 16 commits from BLEN-405_1 into hydra-render 2023-05-24 13:44:35 +02:00
Conversation 2 Commits 16 Files Changed 5 +274 -217
5 changed files with 274 additions and 217 deletions
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Showing only changes of commit 83505a4494 - Show all commits

25
source/blender/render/hydra/scene_delegate/blender_scene_delegate.cc
View File

@ -24,7 +24,7 @@ pxr::HdMeshTopology BlenderSceneDelegate::GetMeshTopology(pxr::SdfPath const &id
{
CLOG_INFO(LOG_RENDER_HYDRA_SCENE, 3, "%s", id.GetText());
MeshData *m_data = mesh_data(id);
return m_data->mesh_topology();
return m_data->mesh_topology(id);
}
pxr::GfMatrix4d BlenderSceneDelegate::GetTransform(pxr::SdfPath const &id)
@ -47,6 +47,10 @@ pxr::GfMatrix4d BlenderSceneDelegate::GetTransform(pxr::SdfPath const &id)
pxr::VtValue BlenderSceneDelegate::Get(pxr::SdfPath const &id, pxr::TfToken const &key)
{
CLOG_INFO(LOG_RENDER_HYDRA_SCENE, 3, "%s, %s", id.GetText(), key.GetText());
MeshData *m_data = mesh_data(id);
if (m_data) {
return m_data->get_data(id, key);
}
ObjectData *obj_data = object_data(id);
if (obj_data) {
return obj_data->get_data(key);
@ -94,7 +98,7 @@ pxr::HdPrimvarDescriptorVector BlenderSceneDelegate::GetPrimvarDescriptors(
pxr::SdfPath BlenderSceneDelegate::GetMaterialId(pxr::SdfPath const &rprim_id)
{
CLOG_INFO(LOG_RENDER_HYDRA_SCENE, 3, "%s", rprim_id.GetText());
return mesh_data(rprim_id)->material_id();
return mesh_data(rprim_id)->material_id(rprim_id);
}
pxr::VtValue BlenderSceneDelegate::GetMaterialResource(pxr::SdfPath const &id)
@ -123,7 +127,7 @@ bool BlenderSceneDelegate::GetVisible(pxr::SdfPath const &id)
bool BlenderSceneDelegate::GetDoubleSided(pxr::SdfPath const &id)
{
CLOG_INFO(LOG_RENDER_HYDRA_SCENE, 3, "%s", id.GetText());
return mesh_data(id)->double_sided();
return mesh_data(id)->double_sided(id);
}
pxr::HdCullStyle BlenderSceneDelegate::GetCullStyle(pxr::SdfPath const &id)
@ -135,7 +139,7 @@ pxr::HdCullStyle BlenderSceneDelegate::GetCullStyle(pxr::SdfPath const &id)
pxr::SdfPath BlenderSceneDelegate::GetInstancerId(pxr::SdfPath const &prim_id)
{
CLOG_INFO(LOG_RENDER_HYDRA_SCENE, 3, "%s", prim_id.GetText());
InstancerData *i_data = instancer_data(prim_id.GetParentPath());
InstancerData *i_data = instancer_data(prim_id, true);
if (i_data) {
return i_data->prim_id;
}
@ -241,11 +245,12 @@ pxr::SdfPath BlenderSceneDelegate::world_prim_id() const
ObjectData *BlenderSceneDelegate::object_data(pxr::SdfPath const &id) const
{
auto it = objects_.find(id);
pxr::SdfPath p_id = (id.GetName().find("SM_") == 0) ? id.GetParentPath() : id;
auto it = objects_.find(p_id);
if (it != objects_.end()) {
return it->second.get();
}
InstancerData *i_data = instancer_data(id, true);
InstancerData *i_data = instancer_data(p_id, true);
if (i_data) {
return i_data->object_data(id);
}
@ -541,12 +546,8 @@ void BlenderSceneDelegate::remove_unused_objects()
std::set<pxr::SdfPath> available_materials;
for (auto &it : objects_) {
MeshData *m_data = dynamic_cast<MeshData *>(it.second.get());
if (!m_data) {
continue;
}
pxr::SdfPath mat_id = m_data->material_id();
if (!mat_id.IsEmpty()) {
available_materials.insert(mat_id);
if (m_data) {
m_data->available_materials(available_materials);
}
}
for (auto &it : instancers_) {

107
source/blender/render/hydra/scene_delegate/instancer.cc
View File

@ -62,7 +62,7 @@ bool InstancerData::is_visible(BlenderSceneDelegate *scene_delegate, Object *obj
void InstancerData::init()
{
ID_LOG(2, "");
set_instances();
write_instances();
}
void InstancerData::insert()
@ -94,7 +94,7 @@ void InstancerData::update()
(object->data && ((ID *)object->data)->recalc & ID_RECALC_GEOMETRY) ||
id->recalc & ID_RECALC_TRANSFORM)
{
set_instances();
write_instances();
scene_delegate_->GetRenderIndex().GetChangeTracker().MarkInstancerDirty(
prim_id, pxr::HdChangeTracker::AllDirty);
}
@ -121,8 +121,9 @@ bool InstancerData::update_visibility()
change_tracker.MarkInstancerDirty(prim_id, pxr::HdChangeTracker::DirtyVisibility);
for (auto &it : mesh_instances_) {
it.second.data->visible = visible;
change_tracker.MarkRprimDirty(it.second.data->prim_id,
pxr::HdChangeTracker::DirtyVisibility);
for (auto &p : it.second.data->submesh_paths()) {
change_tracker.MarkRprimDirty(p, pxr::HdChangeTracker::DirtyVisibility);
}
}
char name[16];
for (auto &it : light_instances_) {
@ -138,9 +139,9 @@ bool InstancerData::update_visibility()
pxr::GfMatrix4d InstancerData::get_transform(pxr::SdfPath const &id) const
{
if (id.GetPathElementCount() == 4) {
const auto &inst = light_instances_.find(id.GetParentPath())->second;
return inst.transforms[light_prim_id_index(id)];
LightInstance *l_inst = light_instance(id);
if (l_inst) {
return l_inst->transforms[light_prim_id_index(id)];
}
/* Mesh instance transform must be identity */
@ -160,18 +161,18 @@ pxr::HdPrimvarDescriptorVector InstancerData::primvar_descriptors(
pxr::VtIntArray InstancerData::indices(pxr::SdfPath const &id) const
{
return mesh_instances_.find(id)->second.indices;
return mesh_instance(id)->indices;
}
ObjectData *InstancerData::object_data(pxr::SdfPath const &id) const
{
auto m_it = mesh_instances_.find(id);
if (m_it != mesh_instances_.end()) {
return m_it->second.data.get();
MeshInstance *m_inst = mesh_instance(id);
if (m_inst) {
return m_inst->data.get();
}
auto l_it = light_instances_.find(id.GetParentPath());
if (l_it != light_instances_.end()) {
return l_it->second.data.get();
LightInstance *l_inst = light_instance(id);
if (l_inst) {
return l_inst->data.get();
}
return nullptr;
}
@ -180,7 +181,9 @@ pxr::SdfPathVector InstancerData::prototypes() const
{
pxr::SdfPathVector paths;
for (auto &it : mesh_instances_) {
paths.push_back(it.first);
for (auto &p : it.second.data->submesh_paths()) {
paths.push_back(p);
}
}
return paths;
}
@ -188,43 +191,40 @@ pxr::SdfPathVector InstancerData::prototypes() const
void InstancerData::check_update(Object *object)
{
pxr::SdfPath path = object_prim_id(object);
/* Checking object in existing mesh_instances_ */
auto m_it = mesh_instances_.find(path);
if (m_it != mesh_instances_.end()) {
MeshInstance *m_inst = mesh_instance(path);
if (m_inst) {
if (!is_instance_visible(object)) {
m_it->second.data->remove();
mesh_instances_.erase(m_it);
m_inst->data->remove();
mesh_instances_.erase(path);
scene_delegate_->GetRenderIndex().GetChangeTracker().MarkInstancerDirty(
prim_id, pxr::HdChangeTracker::AllDirty);
return;
}
m_it->second.data->update();
m_inst->data->update();
if (m_it->second.data->id->recalc & ID_RECALC_TRANSFORM) {
set_instances();
if (m_inst->data->id->recalc & ID_RECALC_TRANSFORM) {
write_instances();
scene_delegate_->GetRenderIndex().GetChangeTracker().MarkInstancerDirty(
prim_id, pxr::HdChangeTracker::AllDirty);
}
return;
}
/* Checking object in existing light_instances_ */
auto l_it = light_instances_.find(path);
if (l_it != light_instances_.end()) {
LightInstance *l_inst = light_instance(path);
if (l_inst) {
if (!is_instance_visible(object)) {
l_it->second.transforms.clear();
l_inst->transforms.clear();
update_light_instance(l_it->second);
light_instances_.erase(l_it);
light_instances_.erase(path);
return;
}
Object *obj = (Object *)l_it->second.data->id;
Object *obj = (Object *)l_inst->data->id;
if (obj->id.recalc & (ID_RECALC_TRANSFORM | ID_RECALC_GEOMETRY) ||
((ID *)obj->data)->recalc & ID_RECALC_GEOMETRY)
{
set_instances();
write_instances();
}
return;
}
@ -265,7 +265,7 @@ void InstancerData::check_remove(std::set<std::string> &available_objects)
ret = true;
}
if (ret) {
set_instances();
write_instances();
scene_delegate_->GetRenderIndex().GetChangeTracker().MarkInstancerDirty(
prim_id, pxr::HdChangeTracker::AllDirty);
}
@ -285,16 +285,13 @@ void InstancerData::check_remove(std::set<std::string> &available_objects)
void InstancerData::available_materials(std::set<pxr::SdfPath> &paths) const
{
for (auto &it : mesh_instances_) {
pxr::SdfPath mat_id = ((MeshData *)it.second.data.get())->material_id();
if (!mat_id.IsEmpty()) {
paths.insert(mat_id);
}
((MeshData *)it.second.data.get())->available_materials(paths);
}
}
void InstancerData::update_as_parent()
{
set_instances();
write_instances();
scene_delegate_->GetRenderIndex().GetChangeTracker().MarkInstancerDirty(
prim_id, pxr::HdChangeTracker::AllDirty);
}
@ -341,7 +338,7 @@ int InstancerData::light_prim_id_index(pxr::SdfPath const &id) const
return index;
}
void InstancerData::set_instances()
void InstancerData::write_instances()
{
mesh_transforms_.clear();
for (auto &it : mesh_instances_) {
@ -361,31 +358,23 @@ void InstancerData::set_instances()
pxr::SdfPath p_id = object_prim_id(ob);
if (ob->type == OB_LAMP) {
LightInstance *inst;
auto it = light_instances_.find(p_id);
if (it == light_instances_.end()) {
LightInstance *inst = light_instance(p_id);
if (!inst) {
inst = &light_instances_[p_id];
inst->data = std::make_unique<LightData>(scene_delegate_, ob, p_id);
inst->data->init();
}
else {
inst = &it->second;
}
ID_LOG(2, "Light %s %d", inst->data->id->name, inst->transforms.size());
inst->transforms.push_back(gf_matrix_from_transform(dupli->mat));
}
else {
MeshInstance *inst;
auto it = mesh_instances_.find(p_id);
if (it == mesh_instances_.end()) {
MeshInstance *inst = mesh_instance(p_id);
if (!inst) {
inst = &mesh_instances_[p_id];
inst->data = std::make_unique<MeshData>(scene_delegate_, ob, p_id);
inst->data->init();
inst->data->insert();
}
else {
inst = &it->second;
}
ID_LOG(2, "Mesh %s %d", inst->data->id->name, mesh_transforms_.size());
inst->indices.push_back(mesh_transforms_.size());
mesh_transforms_.push_back(gf_matrix_from_transform(dupli->mat));
@ -468,4 +457,22 @@ void InstancerData::update_light_instance(LightInstance &inst)
}
}
InstancerData::MeshInstance *InstancerData::mesh_instance(pxr::SdfPath const &id) const
{
auto it = mesh_instances_.find(id.GetPathElementCount() == 4 ? id.GetParentPath() : id);
if (it == mesh_instances_.end()) {
return nullptr;
}
return const_cast<MeshInstance *>(&it->second);
}
InstancerData::LightInstance *InstancerData::light_instance(pxr::SdfPath const &id) const
{
auto it = light_instances_.find(id.GetPathElementCount() == 4 ? id.GetParentPath() : id);
if (it == light_instances_.end()) {
return nullptr;
}
return const_cast<LightInstance *>(&it->second);
}
} // namespace blender::render::hydra

4
source/blender/render/hydra/scene_delegate/instancer.h
View File

@ -51,8 +51,10 @@ class InstancerData : public ObjectData {
pxr::SdfPath object_prim_id(Object *object) const;
pxr::SdfPath light_prim_id(LightInstance const &inst, int index) const;
int light_prim_id_index(pxr::SdfPath const &id) const;
void set_instances();
void write_instances();
void update_light_instance(LightInstance &inst);
MeshInstance *mesh_instance(pxr::SdfPath const &id) const;
LightInstance *light_instance(pxr::SdfPath const &id) const;
pxr::TfHashMap<pxr::SdfPath, MeshInstance, pxr::SdfPath::Hash> mesh_instances_;
pxr::TfHashMap<pxr::SdfPath, LightInstance, pxr::SdfPath::Hash> light_instances_;

321
source/blender/render/hydra/scene_delegate/mesh.cc
View File

@ -29,89 +29,72 @@ void MeshData::init()
if (object->type == OB_MESH && object->mode == OB_MODE_OBJECT &&
BLI_listbase_is_empty(&object->modifiers))
{
write_mesh((Mesh *)object->data);
write_submeshes((Mesh *)object->data);
}
else {
Mesh *mesh = BKE_object_to_mesh(nullptr, object, false);
if (mesh) {
write_mesh(mesh);
write_submeshes(mesh);
}
BKE_object_to_mesh_clear(object);
}
write_material();
write_transform();
write_materials();
}
void MeshData::insert()
{
if (face_vertex_counts_.empty()) {
return;
}
ID_LOG(2, "");
scene_delegate_->GetRenderIndex().InsertRprim(
pxr::HdPrimTypeTokens->mesh, scene_delegate_, prim_id);
/* Empty, because insertion of rprims happen in write_submeshes() */
}
void MeshData::remove()
{
if (!scene_delegate_->GetRenderIndex().HasRprim(prim_id)) {
return;
for (int i = 0; i < submeshes_.size(); ++i) {
scene_delegate_->GetRenderIndex().RemoveRprim(submesh_prim_id(i));
CLOG_INFO(LOG_RENDER_HYDRA_SCENE, 2, "%s: %d", prim_id.GetText(), i);
}
CLOG_INFO(LOG_RENDER_HYDRA_SCENE, 2, "%s", prim_id.GetText());
scene_delegate_->GetRenderIndex().RemoveRprim(prim_id);
}
void MeshData::update()
{
Object *object = (Object *)id;
pxr::HdDirtyBits bits = pxr::HdChangeTracker::Clean;
if ((id->recalc & ID_RECALC_GEOMETRY) || (((ID *)object->data)->recalc & ID_RECALC_GEOMETRY)) {
init();
bits = pxr::HdChangeTracker::AllDirty;
return;
}
else {
if (id->recalc & ID_RECALC_SHADING) {
write_material();
bits |= pxr::HdChangeTracker::DirtyMaterialId | pxr::HdChangeTracker::DirtyDoubleSided;
}
if (id->recalc & ID_RECALC_TRANSFORM) {
write_transform();
bits |= pxr::HdChangeTracker::DirtyTransform;
}
pxr::HdDirtyBits bits = pxr::HdChangeTracker::Clean;
if (id->recalc & ID_RECALC_SHADING) {
write_materials();
bits |= pxr::HdChangeTracker::DirtyMaterialId | pxr::HdChangeTracker::DirtyDoubleSided;
}
if (id->recalc & ID_RECALC_TRANSFORM) {
write_transform();
bits |= pxr::HdChangeTracker::DirtyTransform;
}
if (bits == pxr::HdChangeTracker::Clean) {
return;
}
if (!scene_delegate_->GetRenderIndex().HasRprim(prim_id)) {
insert();
return;
for (int i = 0; i < submeshes_.size(); ++i) {
scene_delegate_->GetRenderIndex().GetChangeTracker().MarkRprimDirty(submesh_prim_id(i), bits);
ID_LOG(2, "%d", i);
}
if (face_vertex_counts_.empty()) {
/* Remove prim without faces */
remove();
return;
}
ID_LOG(2, "");
scene_delegate_->GetRenderIndex().GetChangeTracker().MarkRprimDirty(prim_id, bits);
}
pxr::VtValue MeshData::get_data(pxr::TfToken const &key) const
pxr::VtValue MeshData::get_data(pxr::SdfPath const &id, pxr::TfToken const &key) const
{
pxr::VtValue ret;
if (key == pxr::HdTokens->points) {
ret = vertices_;
}
else if (key == pxr::HdTokens->normals) {
ret = normals_;
ret = submesh(id).normals;
}
else if (key == pxr::HdPrimvarRoleTokens->textureCoordinate) {
ret = uvs_;
ret = submesh(id).uvs;
}
return ret;
}
@ -120,19 +103,22 @@ bool MeshData::update_visibility()
{
bool ret = ObjectData::update_visibility();
if (ret) {
ID_LOG(2, "");
scene_delegate_->GetRenderIndex().GetChangeTracker().MarkRprimDirty(
prim_id, pxr::HdChangeTracker::DirtyVisibility);
for (int i = 0; i < submeshes_.size(); ++i) {
scene_delegate_->GetRenderIndex().GetChangeTracker().MarkRprimDirty(
submesh_prim_id(i), pxr::HdChangeTracker::DirtyVisibility);
ID_LOG(2, "%d", i);
}
}
return ret;
}
pxr::HdMeshTopology MeshData::mesh_topology() const
pxr::HdMeshTopology MeshData::mesh_topology(pxr::SdfPath const &id) const
{
const SubMesh &sm = submesh(id);
return pxr::HdMeshTopology(pxr::PxOsdOpenSubdivTokens->none,
pxr::HdTokens->rightHanded,
face_vertex_counts_,
face_vertex_indices_);
sm.face_vertex_counts,
sm.face_vertex_indices);
}
pxr::HdPrimvarDescriptorVector MeshData::primvar_descriptors(
@ -145,11 +131,11 @@ pxr::HdPrimvarDescriptorVector MeshData::primvar_descriptors(
}
}
else if (interpolation == pxr::HdInterpolationFaceVarying) {
if (!normals_.empty()) {
if (!submeshes_[0].normals.empty()) {
primvars.emplace_back(
pxr::HdTokens->normals, interpolation, pxr::HdPrimvarRoleTokens->normal);
}
if (!uvs_.empty()) {
if (!submeshes_[0].uvs.empty()) {
primvars.emplace_back(pxr::HdPrimvarRoleTokens->textureCoordinate,
interpolation,
pxr::HdPrimvarRoleTokens->textureCoordinate);
@ -158,116 +144,171 @@ pxr::HdPrimvarDescriptorVector MeshData::primvar_descriptors(
return primvars;
}
pxr::SdfPath MeshData::material_id() const
pxr::SdfPath MeshData::material_id(pxr::SdfPath const &id) const
{
if (!mat_data_) {
const SubMesh &sm = submesh(id);
if (!sm.mat_data) {
return pxr::SdfPath();
}
return mat_data_->prim_id;
return sm.mat_data->prim_id;
}
bool MeshData::double_sided() const
bool MeshData::double_sided(pxr::SdfPath const &id) const
{
if (mat_data_) {
return mat_data_->double_sided;
const SubMesh &sm = submesh(id);
if (sm.mat_data) {
return sm.mat_data->double_sided;
}
return true;
}
void MeshData::update_double_sided(MaterialData *mat_data)
{
if (mat_data_ == mat_data) {
ID_LOG(2, "");
scene_delegate_->GetRenderIndex().GetChangeTracker().MarkRprimDirty(
prim_id, pxr::HdChangeTracker::DirtyDoubleSided);
}
}
void MeshData::write_mesh(Mesh *mesh)
{
face_vertex_counts_.clear();
face_vertex_indices_.clear();
vertices_.clear();
normals_.clear();
uvs_.clear();
BKE_mesh_calc_normals_split(mesh);
int tris_len = BKE_mesh_runtime_looptri_len(mesh);
if (tris_len == 0) {
return;
}
blender::Span<MLoopTri> loopTris = mesh->looptris();
/* face_vertex_counts */
face_vertex_counts_ = pxr::VtIntArray(tris_len, 3);
/* face_vertex_indices */
blender::Span<int> corner_verts = mesh->corner_verts();
face_vertex_indices_.reserve(loopTris.size() * 3);
for (MLoopTri lt : loopTris) {
face_vertex_indices_.push_back(corner_verts[lt.tri[0]]);
face_vertex_indices_.push_back(corner_verts[lt.tri[1]]);
face_vertex_indices_.push_back(corner_verts[lt.tri[2]]);
}
/* vertices */
vertices_.reserve(mesh->totvert);
blender::Span<blender::float3> verts = mesh->vert_positions();
for (blender::float3 v : verts) {
vertices_.push_back(pxr::GfVec3f(v.x, v.y, v.z));
}
write_normals(mesh);
write_uv_maps(mesh);
}
void MeshData::write_material()
{
Object *object = (Object *)id;
Material *mat = nullptr;
if (BKE_object_material_count_eval(object) > 0) {
mat = BKE_object_material_get_eval(object, object->actcol);
}
if (!mat) {
mat_data_ = nullptr;
return;
}
pxr::SdfPath p_id = scene_delegate_->material_prim_id(mat);
mat_data_ = scene_delegate_->material_data(p_id);
if (!mat_data_) {
scene_delegate_->materials_[p_id] = std::make_unique<MaterialData>(scene_delegate_, mat, p_id);
mat_data_ = scene_delegate_->material_data(p_id);
mat_data_->init();
mat_data_->insert();
}
}
void MeshData::write_uv_maps(Mesh *mesh)
{
blender::Span<MLoopTri> loopTris = mesh->looptris();
const float(*luvs)[2] = (float(*)[2])CustomData_get_layer(&mesh->ldata, CD_PROP_FLOAT2);
if (luvs) {
uvs_.reserve(loopTris.size() * 3);
for (MLoopTri lt : loopTris) {
uvs_.push_back(pxr::GfVec2f(luvs[lt.tri[0]]));
uvs_.push_back(pxr::GfVec2f(luvs[lt.tri[1]]));
uvs_.push_back(pxr::GfVec2f(luvs[lt.tri[2]]));
for (int i = 0; i < submeshes_.size(); ++i) {
if (submeshes_[i].mat_data == mat_data) {
scene_delegate_->GetRenderIndex().GetChangeTracker().MarkRprimDirty(
submesh_prim_id(i), pxr::HdChangeTracker::DirtyDoubleSided);
ID_LOG(2, "%d", i);
}
}
}
void MeshData::write_normals(Mesh *mesh)
void MeshData::available_materials(std::set<pxr::SdfPath> &paths) const
{
blender::Span<MLoopTri> loopTris = mesh->looptris();
for (auto &sm : submeshes_) {
if (sm.mat_data && !sm.mat_data->prim_id.IsEmpty()) {
paths.insert(sm.mat_data->prim_id);
}
}
}
pxr::SdfPathVector MeshData::submesh_paths() const
{
pxr::SdfPathVector ret;
for (int i = 0; i < submeshes_.size(); ++i) {
ret.push_back(submesh_prim_id(i));
}
return ret;
}
pxr::SdfPath MeshData::submesh_prim_id(int index) const
{
char name[16];
snprintf(name, 16, "SM_%04x", index);
return prim_id.AppendElementString(name);
}
const MeshData::SubMesh &MeshData::submesh(pxr::SdfPath const &id) const
{
int index;
sscanf(id.GetName().c_str(), "SM_%x", &index);
return submeshes_[index];
}
void MeshData::write_submeshes(Mesh *mesh)
{
int sub_meshes_prev_count = submeshes_.size();
submeshes_.clear();
vertices_.clear();
/* Insert base submeshes */
int mat_count = BKE_object_material_count_eval((Object *)id);
for (int i = 0; i < std::max(mat_count, 1); ++i) {
SubMesh sm;
sm.mat_index = i;
submeshes_.push_back(sm);
}
/* Fill submeshes data */
const int *material_indices = BKE_mesh_material_indices(mesh);
const int *looptri_polys = BKE_mesh_runtime_looptri_polys_ensure(mesh);
blender::Span<int> corner_verts = mesh->corner_verts();
blender::Span<MLoopTri> looptris = mesh->looptris();
BKE_mesh_calc_normals_split(mesh);
const float(*lnors)[3] = (float(*)[3])CustomData_get_layer(&mesh->ldata, CD_NORMAL);
if (lnors) {
normals_.reserve(loopTris.size() * 3);
for (MLoopTri lt : loopTris) {
normals_.push_back(pxr::GfVec3f(lnors[lt.tri[0]]));
normals_.push_back(pxr::GfVec3f(lnors[lt.tri[1]]));
normals_.push_back(pxr::GfVec3f(lnors[lt.tri[2]]));
const float(*luvs)[2] = (float(*)[2])CustomData_get_layer(&mesh->ldata, CD_PROP_FLOAT2);
for (size_t i = 0; i < looptris.size(); ++i) {
int mat_ind = material_indices ? material_indices[looptri_polys[i]] : 0;
const MLoopTri &lt = looptris[i];
SubMesh &sm = submeshes_[mat_ind];
sm.face_vertex_counts.push_back(3);
sm.face_vertex_indices.push_back(corner_verts[lt.tri[0]]);
sm.face_vertex_indices.push_back(corner_verts[lt.tri[1]]);
sm.face_vertex_indices.push_back(corner_verts[lt.tri[2]]);
if (lnors) {
sm.normals.push_back(pxr::GfVec3f(lnors[lt.tri[0]]));
sm.normals.push_back(pxr::GfVec3f(lnors[lt.tri[1]]));
sm.normals.push_back(pxr::GfVec3f(lnors[lt.tri[2]]));
}
if (luvs) {
sm.uvs.push_back(pxr::GfVec2f(luvs[lt.tri[0]]));
sm.uvs.push_back(pxr::GfVec2f(luvs[lt.tri[1]]));
sm.uvs.push_back(pxr::GfVec2f(luvs[lt.tri[2]]));
}
}
/* Remove submeshes without faces */
for (auto it = submeshes_.begin(); it != submeshes_.end();) {
if (it->face_vertex_counts.empty()) {
it = submeshes_.erase(it);
}
else {
++it;
}
}
if (!submeshes_.empty()) {
/* vertices */
vertices_.reserve(mesh->totvert);
blender::Span<blender::float3> verts = mesh->vert_positions();
for (blender::float3 v : verts) {
vertices_.push_back(pxr::GfVec3f(v.x, v.y, v.z));
}
}
/* Update prims in render index */
auto &render_index = scene_delegate_->GetRenderIndex();
int i;
for (i = 0; i < submeshes_.size(); ++i) {
pxr::SdfPath p = submesh_prim_id(i);
if (i < sub_meshes_prev_count) {
render_index.GetChangeTracker().MarkRprimDirty(p, pxr::HdChangeTracker::AllDirty);
ID_LOG(2, "Update %d", i);
}
else {
render_index.InsertRprim(pxr::HdPrimTypeTokens->mesh, scene_delegate_, p);
ID_LOG(2, "Insert %d", i);
}
}
for (; i < sub_meshes_prev_count; ++i) {
render_index.RemoveRprim(submesh_prim_id(i));
ID_LOG(2, "Remove %d", i);
}
}
void MeshData::write_materials()
{
Object *object = (Object *)id;
for (int i = 0; i < submeshes_.size(); ++i) {
SubMesh &m = submeshes_[i];
Material *mat = BKE_object_material_get_eval(object, m.mat_index + 1);
if (!mat) {
m.mat_data = nullptr;
continue;
}
pxr::SdfPath p_id = scene_delegate_->material_prim_id(mat);
m.mat_data = scene_delegate_->material_data(p_id);
if (!m.mat_data) {
scene_delegate_->materials_[p_id] = std::make_unique<MaterialData>(
scene_delegate_, mat, p_id);
m.mat_data = scene_delegate_->material_data(p_id);
m.mat_data->init();
m.mat_data->insert();
}
}
}

34
source/blender/render/hydra/scene_delegate/mesh.h
View File

@ -14,6 +14,15 @@
namespace blender::render::hydra {
class MeshData : public ObjectData {
struct SubMesh {
pxr::VtIntArray face_vertex_counts;
pxr::VtIntArray face_vertex_indices;
pxr::VtVec3fArray normals;
pxr::VtVec2fArray uvs;
int mat_index = 0;
MaterialData *mat_data = nullptr;
};
public:
MeshData(BlenderSceneDelegate *scene_delegate, Object *object, pxr::SdfPath const &prim_id);
@ -22,30 +31,27 @@ class MeshData : public ObjectData {
void remove() override;
void update() override;
pxr::VtValue get_data(pxr::TfToken const &key) const override;
pxr::VtValue get_data(pxr::SdfPath const &id, pxr::TfToken const &key) const;
bool update_visibility() override;
pxr::HdMeshTopology mesh_topology() const;
pxr::HdMeshTopology mesh_topology(pxr::SdfPath const &id) const;
pxr::HdPrimvarDescriptorVector primvar_descriptors(pxr::HdInterpolation interpolation) const;
pxr::SdfPath material_id() const;
bool double_sided() const;
pxr::SdfPath material_id(pxr::SdfPath const &id) const;
bool double_sided(pxr::SdfPath const &id) const;
void update_double_sided(MaterialData *mat_data);
void available_materials(std::set<pxr::SdfPath> &paths) const;
pxr::SdfPathVector submesh_paths() const;
pxr::HdCullStyle cull_style = pxr::HdCullStyleBackUnlessDoubleSided;
private:
void write_mesh(Mesh *mesh);
void write_material();
void write_uv_maps(Mesh *mesh);
void write_normals(Mesh *mesh);
pxr::SdfPath submesh_prim_id(int index) const;
const SubMesh &submesh(pxr::SdfPath const &id) const;
void write_submeshes(Mesh *mesh);
void write_materials();
pxr::VtIntArray face_vertex_counts_;
pxr::VtIntArray face_vertex_indices_;
pxr::VtVec3fArray vertices_;
pxr::VtVec2fArray uvs_;
pxr::VtVec3fArray normals_;
MaterialData *mat_data_ = nullptr;
std::vector<SubMesh> submeshes_;
};
} // namespace blender::render::hydra