diff options
Diffstat (limited to 'source/blender/blenkernel/intern/attribute_access_intern.hh')
| -rw-r--r-- | source/blender/blenkernel/intern/attribute_access_intern.hh | 230 |
1 files changed, 39 insertions, 191 deletions
diff --git a/source/blender/blenkernel/intern/attribute_access_intern.hh b/source/blender/blenkernel/intern/attribute_access_intern.hh index 806d10e9e89..b3a795faa30 100644 --- a/source/blender/blenkernel/intern/attribute_access_intern.hh +++ b/source/blender/blenkernel/intern/attribute_access_intern.hh @@ -24,166 +24,8 @@ namespace blender::bke { -class ConstantReadAttribute final : public ReadAttribute { - private: - void *value_; - - public: - ConstantReadAttribute(AttributeDomain domain, - const int64_t size, - const CPPType &type, - const void *value) - : ReadAttribute(domain, type, size) - { - value_ = MEM_mallocN_aligned(type.size(), type.alignment(), __func__); - type.copy_to_uninitialized(value, value_); - } - - ~ConstantReadAttribute() override - { - this->cpp_type_.destruct(value_); - MEM_freeN(value_); - } - - void get_internal(const int64_t UNUSED(index), void *r_value) const override - { - this->cpp_type_.copy_to_uninitialized(value_, r_value); - } - - void initialize_span() const override - { - const int element_size = cpp_type_.size(); - array_buffer_ = MEM_mallocN_aligned(size_ * element_size, cpp_type_.alignment(), __func__); - array_is_temporary_ = true; - cpp_type_.fill_uninitialized(value_, array_buffer_, size_); - } -}; - -template<typename T> class ArrayReadAttribute final : public ReadAttribute { - private: - Span<T> data_; - - public: - ArrayReadAttribute(AttributeDomain domain, Span<T> data) - : ReadAttribute(domain, CPPType::get<T>(), data.size()), data_(data) - { - } - - void get_internal(const int64_t index, void *r_value) const override - { - new (r_value) T(data_[index]); - } - - void initialize_span() const override - { - /* The data will not be modified, so this const_cast is fine. */ - array_buffer_ = const_cast<T *>(data_.data()); - array_is_temporary_ = false; - } -}; - -template<typename T> class OwnedArrayReadAttribute final : public ReadAttribute { - private: - Array<T> data_; - - public: - OwnedArrayReadAttribute(AttributeDomain domain, Array<T> data) - : ReadAttribute(domain, CPPType::get<T>(), data.size()), data_(std::move(data)) - { - } - - void get_internal(const int64_t index, void *r_value) const override - { - new (r_value) T(data_[index]); - } - - void initialize_span() const override - { - /* The data will not be modified, so this const_cast is fine. */ - array_buffer_ = const_cast<T *>(data_.data()); - array_is_temporary_ = false; - } -}; - -template<typename StructT, typename ElemT, ElemT (*GetFunc)(const StructT &)> -class DerivedArrayReadAttribute final : public ReadAttribute { - private: - Span<StructT> data_; - - public: - DerivedArrayReadAttribute(AttributeDomain domain, Span<StructT> data) - : ReadAttribute(domain, CPPType::get<ElemT>(), data.size()), data_(data) - { - } - - void get_internal(const int64_t index, void *r_value) const override - { - const StructT &struct_value = data_[index]; - const ElemT value = GetFunc(struct_value); - new (r_value) ElemT(value); - } -}; - -template<typename T> class ArrayWriteAttribute final : public WriteAttribute { - private: - MutableSpan<T> data_; - - public: - ArrayWriteAttribute(AttributeDomain domain, MutableSpan<T> data) - : WriteAttribute(domain, CPPType::get<T>(), data.size()), data_(data) - { - } - - void get_internal(const int64_t index, void *r_value) const override - { - new (r_value) T(data_[index]); - } - - void set_internal(const int64_t index, const void *value) override - { - data_[index] = *reinterpret_cast<const T *>(value); - } - - void initialize_span(const bool UNUSED(write_only)) override - { - array_buffer_ = data_.data(); - array_is_temporary_ = false; - } - - void apply_span_if_necessary() override - { - /* Do nothing, because the span contains the attribute itself already. */ - } -}; - -template<typename StructT, - typename ElemT, - ElemT (*GetFunc)(const StructT &), - void (*SetFunc)(StructT &, const ElemT &)> -class DerivedArrayWriteAttribute final : public WriteAttribute { - private: - MutableSpan<StructT> data_; - - public: - DerivedArrayWriteAttribute(AttributeDomain domain, MutableSpan<StructT> data) - : WriteAttribute(domain, CPPType::get<ElemT>(), data.size()), data_(data) - { - } - - void get_internal(const int64_t index, void *r_value) const override - { - const StructT &struct_value = data_[index]; - const ElemT value = GetFunc(struct_value); - new (r_value) ElemT(value); - } - - void set_internal(const int64_t index, const void *value) override - { - StructT &struct_value = data_[index]; - const ElemT &typed_value = *reinterpret_cast<const ElemT *>(value); - SetFunc(struct_value, typed_value); - } -}; +using fn::GVArrayPtr; +using fn::GVMutableArrayPtr; /** * Utility to group together multiple functions that are used to access custom data on geometry @@ -244,10 +86,11 @@ class BuiltinAttributeProvider { { } - virtual ReadAttributePtr try_get_for_read(const GeometryComponent &component) const = 0; - virtual WriteAttributePtr try_get_for_write(GeometryComponent &component) const = 0; + virtual GVArrayPtr try_get_for_read(const GeometryComponent &component) const = 0; + virtual GVMutableArrayPtr try_get_for_write(GeometryComponent &component) const = 0; virtual bool try_delete(GeometryComponent &component) const = 0; - virtual bool try_create(GeometryComponent &UNUSED(component)) const = 0; + virtual bool try_create(GeometryComponent &UNUSED(component), + const AttributeInit &UNUSED(initializer)) const = 0; virtual bool exists(const GeometryComponent &component) const = 0; StringRefNull name() const @@ -272,15 +115,16 @@ class BuiltinAttributeProvider { */ class DynamicAttributesProvider { public: - virtual ReadAttributePtr try_get_for_read(const GeometryComponent &component, - const StringRef attribute_name) const = 0; - virtual WriteAttributePtr try_get_for_write(GeometryComponent &component, - const StringRef attribute_name) const = 0; + virtual ReadAttributeLookup try_get_for_read(const GeometryComponent &component, + const StringRef attribute_name) const = 0; + virtual WriteAttributeLookup try_get_for_write(GeometryComponent &component, + const StringRef attribute_name) const = 0; virtual bool try_delete(GeometryComponent &component, const StringRef attribute_name) const = 0; virtual bool try_create(GeometryComponent &UNUSED(component), const StringRef UNUSED(attribute_name), const AttributeDomain UNUSED(domain), - const CustomDataType UNUSED(data_type)) const + const CustomDataType UNUSED(data_type), + const AttributeInit &UNUSED(initializer)) const { /* Some providers should not create new attributes. */ return false; @@ -309,18 +153,19 @@ class CustomDataAttributeProvider final : public DynamicAttributesProvider { { } - ReadAttributePtr try_get_for_read(const GeometryComponent &component, - const StringRef attribute_name) const final; + ReadAttributeLookup try_get_for_read(const GeometryComponent &component, + const StringRef attribute_name) const final; - WriteAttributePtr try_get_for_write(GeometryComponent &component, - const StringRef attribute_name) const final; + WriteAttributeLookup try_get_for_write(GeometryComponent &component, + const StringRef attribute_name) const final; bool try_delete(GeometryComponent &component, const StringRef attribute_name) const final; bool try_create(GeometryComponent &component, const StringRef attribute_name, const AttributeDomain domain, - const CustomDataType data_type) const final; + const CustomDataType data_type, + const AttributeInit &initializer) const final; bool foreach_attribute(const GeometryComponent &component, const AttributeForeachCallback callback) const final; @@ -332,18 +177,21 @@ class CustomDataAttributeProvider final : public DynamicAttributesProvider { private: template<typename T> - ReadAttributePtr layer_to_read_attribute(const CustomDataLayer &layer, - const int domain_size) const + ReadAttributeLookup layer_to_read_attribute(const CustomDataLayer &layer, + const int domain_size) const { - return std::make_unique<ArrayReadAttribute<T>>( - domain_, Span(static_cast<const T *>(layer.data), domain_size)); + return {std::make_unique<fn::GVArray_For_Span<T>>( + Span(static_cast<const T *>(layer.data), domain_size)), + domain_}; } template<typename T> - WriteAttributePtr layer_to_write_attribute(CustomDataLayer &layer, const int domain_size) const + WriteAttributeLookup layer_to_write_attribute(CustomDataLayer &layer, + const int domain_size) const { - return std::make_unique<ArrayWriteAttribute<T>>( - domain_, MutableSpan(static_cast<T *>(layer.data), domain_size)); + return {std::make_unique<fn::GVMutableArray_For_MutableSpan<T>>( + MutableSpan(static_cast<T *>(layer.data), domain_size)), + domain_}; } bool type_is_supported(CustomDataType data_type) const @@ -357,8 +205,8 @@ class CustomDataAttributeProvider final : public DynamicAttributesProvider { */ class NamedLegacyCustomDataProvider final : public DynamicAttributesProvider { private: - using AsReadAttribute = ReadAttributePtr (*)(const void *data, const int domain_size); - using AsWriteAttribute = WriteAttributePtr (*)(void *data, const int domain_size); + using AsReadAttribute = GVArrayPtr (*)(const void *data, const int domain_size); + using AsWriteAttribute = GVMutableArrayPtr (*)(void *data, const int domain_size); const AttributeDomain domain_; const CustomDataType attribute_type_; const CustomDataType stored_type_; @@ -382,10 +230,10 @@ class NamedLegacyCustomDataProvider final : public DynamicAttributesProvider { { } - ReadAttributePtr try_get_for_read(const GeometryComponent &component, - const StringRef attribute_name) const final; - WriteAttributePtr try_get_for_write(GeometryComponent &component, - const StringRef attribute_name) const final; + ReadAttributeLookup try_get_for_read(const GeometryComponent &component, + const StringRef attribute_name) const final; + WriteAttributeLookup try_get_for_write(GeometryComponent &component, + const StringRef attribute_name) const final; bool try_delete(GeometryComponent &component, const StringRef attribute_name) const final; bool foreach_attribute(const GeometryComponent &component, const AttributeForeachCallback callback) const final; @@ -398,8 +246,8 @@ class NamedLegacyCustomDataProvider final : public DynamicAttributesProvider { * the #MVert struct, but is exposed as float3 attribute. */ class BuiltinCustomDataLayerProvider final : public BuiltinAttributeProvider { - using AsReadAttribute = ReadAttributePtr (*)(const void *data, const int domain_size); - using AsWriteAttribute = WriteAttributePtr (*)(void *data, const int domain_size); + using AsReadAttribute = GVArrayPtr (*)(const void *data, const int domain_size); + using AsWriteAttribute = GVMutableArrayPtr (*)(void *data, const int domain_size); using UpdateOnRead = void (*)(const GeometryComponent &component); using UpdateOnWrite = void (*)(GeometryComponent &component); const CustomDataType stored_type_; @@ -430,10 +278,10 @@ class BuiltinCustomDataLayerProvider final : public BuiltinAttributeProvider { { } - ReadAttributePtr try_get_for_read(const GeometryComponent &component) const final; - WriteAttributePtr try_get_for_write(GeometryComponent &component) const final; + GVArrayPtr try_get_for_read(const GeometryComponent &component) const final; + GVMutableArrayPtr try_get_for_write(GeometryComponent &component) const final; bool try_delete(GeometryComponent &component) const final; - bool try_create(GeometryComponent &component) const final; + bool try_create(GeometryComponent &component, const AttributeInit &initializer) const final; bool exists(const GeometryComponent &component) const final; }; |