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Implement instancing for light objects #35

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Bogdan Nagirniak merged 18 commits from BLEN-395 into hydra-render 2023-05-04 15:12:27 +02:00
Conversation 0 Commits 18 Files Changed 14 +24 -22
4 changed files with 24 additions and 22 deletions
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Showing only changes of commit 946f3a2ae4 - Show all commits

38
source/blender/render/hydra/scene_delegate/blender_scene_delegate.cc
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@ -33,11 +33,11 @@ pxr::GfMatrix4d BlenderSceneDelegate::GetTransform(pxr::SdfPath const &id)
{
CLOG_INFO(LOG_RENDER_HYDRA_SCENE, 3, "%s", id.GetText());
pxr::SdfPath i_id = instancer_prim_id(id);
if (!i_id.IsEmpty()) {
InstancerData *i_data = instancer_data(i_id);
InstancerData *i_data = instancer_data(id, true);
if (i_data) {
return i_data->get_transform(id);
}
ObjectData *obj_data = object_data(id);
if (obj_data) {
return obj_data->transform;
@ -218,18 +218,6 @@ pxr::SdfPath BlenderSceneDelegate::instancer_prim_id(Object *object) const
return prim_id((ID *)object, "I");
}
pxr::SdfPath BlenderSceneDelegate::instancer_prim_id(pxr::SdfPath const &child_id) const
{
int n = child_id.GetPathElementCount();
if (n == 3) {
return child_id.GetParentPath();
}
if (n == 4) {
return child_id.GetParentPath().GetParentPath();
}
return pxr::SdfPath();
}
pxr::SdfPath BlenderSceneDelegate::world_prim_id() const
{
return GetDelegateID().AppendElementString("World");
@ -241,7 +229,7 @@ ObjectData *BlenderSceneDelegate::object_data(pxr::SdfPath const &id) const
if (it != objects_.end()) {
return it->second.get();
}
InstancerData *i_data = instancer_data(id.GetParentPath());
InstancerData *i_data = instancer_data(id, true);
if (i_data) {
return i_data->object_data(id);
}
@ -267,9 +255,23 @@ MaterialData *BlenderSceneDelegate::material_data(pxr::SdfPath const &id) const
return it->second.get();
}
InstancerData *BlenderSceneDelegate::instancer_data(pxr::SdfPath const &id) const
InstancerData *BlenderSceneDelegate::instancer_data(pxr::SdfPath const &id, bool child_id) const
{
auto it = instancers_.find(id);
pxr::SdfPath p_id;
if (child_id) {
int n = id.GetPathElementCount();
if (n == 3) {
p_id = id.GetParentPath();
}
else if (n == 4) {
p_id = id.GetParentPath().GetParentPath();
}
}
else {
p_id = id;
}
auto it = instancers_.find(p_id);
if (it != instancers_.end()) {
return it->second.get();
}

3
source/blender/render/hydra/scene_delegate/blender_scene_delegate.h
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@ -64,14 +64,13 @@ class BlenderSceneDelegate : public pxr::HdSceneDelegate {
pxr::SdfPath object_prim_id(Object *object) const;
pxr::SdfPath material_prim_id(Material *mat) const;
pxr::SdfPath instancer_prim_id(Object *object) const;
pxr::SdfPath instancer_prim_id(pxr::SdfPath const &child_id) const;
pxr::SdfPath world_prim_id() const;
ObjectData *object_data(pxr::SdfPath const &id) const;
MeshData *mesh_data(pxr::SdfPath const &id) const;
LightData *light_data(pxr::SdfPath const &id) const;
MaterialData *material_data(pxr::SdfPath const &id) const;
InstancerData *instancer_data(pxr::SdfPath const &id) const;
InstancerData *instancer_data(pxr::SdfPath const &id, bool child_id = false) const;
void update_objects(Object *object);
void update_instancers(Object *object);

1
source/blender/render/hydra/scene_delegate/instancer.cc
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@ -225,6 +225,7 @@ void InstancerData::set_instances()
continue;
}
p_id = object_prim_id(dupli->ob);
if (ob->type == OB_LAMP) {
auto it = mesh_instances_.find(p_id);
if (it == mesh_instances_.end()) {

4
source/blender/render/hydra/scene_delegate/mesh.cc
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@ -71,8 +71,8 @@ void MeshData::update()
/* Looking for corresponded instancer and update it as parent */
for (Object *ob = parent_; ob != nullptr; ob = ob->parent) {
pxr::SdfPath i_id = scene_delegate_->instancer_prim_id(ob);
InstancerData *i_data = scene_delegate_->instancer_data(i_id);
InstancerData *i_data = scene_delegate_->instancer_data(
scene_delegate_->instancer_prim_id(ob));
if (i_data) {
i_data->update_as_parent();
break;