Differential D11057 Diff 36451 source/blender/blenkernel/intern/geometry_component_pointcloud.cc

Changeset View

Standalone View

source/blender/blenkernel/intern/geometry_component_pointcloud.cc

Show First 20 Lines • Show All 101 Lines • ▼ Show 20 Lines	PointCloud *PointCloudComponent::get_for_write()
return pointcloud_;		return pointcloud_;
}		}

bool PointCloudComponent::is_empty() const		bool PointCloudComponent::is_empty() const
{		{
return pointcloud_ == nullptr;		return pointcloud_ == nullptr;
}		}

		bool PointCloudComponent::owns_direct_data() const
		{
		return ownership_ == GeometryOwnershipType::Owned;
		}

		void PointCloudComponent::ensure_owns_direct_data()
		{
		BLI_assert(this->is_mutable());
		if (ownership_ != GeometryOwnershipType::Owned) {
		pointcloud_ = BKE_pointcloud_copy_for_eval(pointcloud_, false);
		ownership_ = GeometryOwnershipType::Owned;
		}
		}

/** \} */		/** \} */

/* -------------------------------------------------------------------- */		/* -------------------------------------------------------------------- */
/** \name Attribute Access		/** \name Attribute Access
* \{ */		* \{ */

int PointCloudComponent::attribute_domain_size(const AttributeDomain domain) const		int PointCloudComponent::attribute_domain_size(const AttributeDomain domain) const
{		{
if (pointcloud_ == nullptr) {		if (pointcloud_ == nullptr) {
return 0;		return 0;
}		}
if (domain != ATTR_DOMAIN_POINT) {		if (domain != ATTR_DOMAIN_POINT) {
return 0;		return 0;
}		}
return pointcloud_->totpoint;		return pointcloud_->totpoint;
}		}

namespace blender::bke {		namespace blender::bke {

template<typename T, AttributeDomain Domain>		template<typename T>
static ReadAttributePtr make_array_read_attribute(const void *data, const int domain_size)		static GVArrayPtr make_array_read_attribute(const void *data, const int domain_size)
{		{
return std::make_unique<ArrayReadAttribute<T>>(Domain, Span<T>((const T *)data, domain_size));		return std::make_unique<fn::GVArray_For_Span<T>>(Span<T>((const T *)data, domain_size));
}		}

template<typename T, AttributeDomain Domain>		template<typename T>
static WriteAttributePtr make_array_write_attribute(void *data, const int domain_size)		static GVMutableArrayPtr make_array_write_attribute(void *data, const int domain_size)
{		{
return std::make_unique<ArrayWriteAttribute<T>>(Domain, MutableSpan<T>((T *)data, domain_size));		return std::make_unique<fn::GVMutableArray_For_MutableSpan<T>>(
		MutableSpan<T>((T *)data, domain_size));
}		}

/**		/**
* In this function all the attribute providers for a point cloud component are created. Most data		* In this function all the attribute providers for a point cloud component are created. Most data
* in this function is statically allocated, because it does not change over time.		* in this function is statically allocated, because it does not change over time.
*/		*/
static ComponentAttributeProviders create_attribute_providers_for_point_cloud()		static ComponentAttributeProviders create_attribute_providers_for_point_cloud()
{		{
Show All 13 Lines	static CustomDataAccessInfo point_access = {
[](const GeometryComponent &component) -> const CustomData * {		[](const GeometryComponent &component) -> const CustomData * {
const PointCloudComponent &pointcloud_component = static_cast<const PointCloudComponent &>(		const PointCloudComponent &pointcloud_component = static_cast<const PointCloudComponent &>(
component);		component);
const PointCloud *pointcloud = pointcloud_component.get_for_read();		const PointCloud *pointcloud = pointcloud_component.get_for_read();
return pointcloud ? &pointcloud->pdata : nullptr;		return pointcloud ? &pointcloud->pdata : nullptr;
},		},
update_custom_data_pointers};		update_custom_data_pointers};

static BuiltinCustomDataLayerProvider position(		static BuiltinCustomDataLayerProvider position("position",
"position",
ATTR_DOMAIN_POINT,		ATTR_DOMAIN_POINT,
CD_PROP_FLOAT3,		CD_PROP_FLOAT3,
CD_PROP_FLOAT3,		CD_PROP_FLOAT3,
BuiltinAttributeProvider::NonCreatable,		BuiltinAttributeProvider::NonCreatable,
BuiltinAttributeProvider::Writable,		BuiltinAttributeProvider::Writable,
BuiltinAttributeProvider::NonDeletable,		BuiltinAttributeProvider::NonDeletable,
point_access,		point_access,
make_array_read_attribute<float3, ATTR_DOMAIN_POINT>,		make_array_read_attribute<float3>,
make_array_write_attribute<float3, ATTR_DOMAIN_POINT>,		make_array_write_attribute<float3>,
nullptr);		nullptr);
static BuiltinCustomDataLayerProvider radius(		static BuiltinCustomDataLayerProvider radius("radius",
"radius",
ATTR_DOMAIN_POINT,		ATTR_DOMAIN_POINT,
CD_PROP_FLOAT,		CD_PROP_FLOAT,
CD_PROP_FLOAT,		CD_PROP_FLOAT,
BuiltinAttributeProvider::Creatable,		BuiltinAttributeProvider::Creatable,
BuiltinAttributeProvider::Writable,		BuiltinAttributeProvider::Writable,
BuiltinAttributeProvider::Deletable,		BuiltinAttributeProvider::Deletable,
point_access,		point_access,
make_array_read_attribute<float, ATTR_DOMAIN_POINT>,		make_array_read_attribute<float>,
make_array_write_attribute<float, ATTR_DOMAIN_POINT>,		make_array_write_attribute<float>,
nullptr);		nullptr);
static CustomDataAttributeProvider point_custom_data(ATTR_DOMAIN_POINT, point_access);		static CustomDataAttributeProvider point_custom_data(ATTR_DOMAIN_POINT, point_access);
return ComponentAttributeProviders({&position, &radius}, {&point_custom_data});		return ComponentAttributeProviders({&position, &radius}, {&point_custom_data});
}		}

} // namespace blender::bke		} // namespace blender::bke

const blender::bke::ComponentAttributeProviders *PointCloudComponent::get_attribute_providers()		const blender::bke::ComponentAttributeProviders *PointCloudComponent::get_attribute_providers()
const		const
{		{
static blender::bke::ComponentAttributeProviders providers =		static blender::bke::ComponentAttributeProviders providers =
blender::bke::create_attribute_providers_for_point_cloud();		blender::bke::create_attribute_providers_for_point_cloud();
return &providers;		return &providers;
}		}

/** \} */		/** \} */