diff options
Diffstat (limited to 'source/blender/nodes/geometry/nodes/legacy/node_geo_attribute_mix.cc')
| -rw-r--r-- | source/blender/nodes/geometry/nodes/legacy/node_geo_attribute_mix.cc | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/source/blender/nodes/geometry/nodes/legacy/node_geo_attribute_mix.cc b/source/blender/nodes/geometry/nodes/legacy/node_geo_attribute_mix.cc new file mode 100644 index 00000000000..74e05cb997d --- /dev/null +++ b/source/blender/nodes/geometry/nodes/legacy/node_geo_attribute_mix.cc @@ -0,0 +1,256 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#include "BLI_task.hh" + +#include "BKE_material.h" + +#include "DNA_material_types.h" + +#include "UI_interface.h" +#include "UI_resources.h" + +#include "node_geometry_util.hh" + +namespace blender::nodes { + +static void geo_node_mix_attribute_declare(NodeDeclarationBuilder &b) +{ + b.add_input<decl::Geometry>("Geometry"); + b.add_input<decl::String>("Factor"); + b.add_input<decl::Float>("Factor", "Factor_001") + .default_value(0.5f) + .min(0.0f) + .max(1.0f) + .subtype(PROP_FACTOR); + b.add_input<decl::String>("A"); + b.add_input<decl::Float>("A", "A_001"); + b.add_input<decl::Vector>("A", "A_002"); + b.add_input<decl::Color>("A", "A_003").default_value({0.5f, 0.5f, 0.5f, 1.0f}); + b.add_input<decl::String>("B"); + b.add_input<decl::Float>("B", "B_001"); + b.add_input<decl::Vector>("B", "B_002"); + b.add_input<decl::Color>("B", "B_003").default_value({0.5f, 0.5f, 0.5f, 1.0f}); + b.add_input<decl::String>("Result"); + b.add_output<decl::Geometry>("Geometry"); +} + +static void geo_node_attribute_mix_layout(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr) +{ + uiLayoutSetPropSep(layout, true); + uiLayoutSetPropDecorate(layout, false); + uiItemR(layout, ptr, "blend_type", 0, "", ICON_NONE); + uiLayout *col = uiLayoutColumn(layout, false); + uiItemR(col, ptr, "input_type_factor", 0, IFACE_("Factor"), ICON_NONE); + uiItemR(col, ptr, "input_type_a", 0, IFACE_("A"), ICON_NONE); + uiItemR(col, ptr, "input_type_b", 0, IFACE_("B"), ICON_NONE); +} + +static void geo_node_attribute_mix_init(bNodeTree *UNUSED(ntree), bNode *node) +{ + NodeAttributeMix *data = (NodeAttributeMix *)MEM_callocN(sizeof(NodeAttributeMix), + "attribute mix node"); + data->blend_type = MA_RAMP_BLEND; + data->input_type_factor = GEO_NODE_ATTRIBUTE_INPUT_FLOAT; + data->input_type_a = GEO_NODE_ATTRIBUTE_INPUT_ATTRIBUTE; + data->input_type_b = GEO_NODE_ATTRIBUTE_INPUT_ATTRIBUTE; + node->storage = data; +} + +static void geo_node_attribute_mix_update(bNodeTree *UNUSED(ntree), bNode *node) +{ + NodeAttributeMix *node_storage = (NodeAttributeMix *)node->storage; + update_attribute_input_socket_availabilities( + *node, "Factor", (GeometryNodeAttributeInputMode)node_storage->input_type_factor); + update_attribute_input_socket_availabilities( + *node, "A", (GeometryNodeAttributeInputMode)node_storage->input_type_a); + update_attribute_input_socket_availabilities( + *node, "B", (GeometryNodeAttributeInputMode)node_storage->input_type_b); +} + +static void do_mix_operation_float(const int blend_mode, + const VArray<float> &factors, + const VArray<float> &inputs_a, + const VArray<float> &inputs_b, + VMutableArray<float> &results) +{ + const int size = results.size(); + threading::parallel_for(IndexRange(size), 512, [&](IndexRange range) { + for (const int i : range) { + const float factor = factors[i]; + float3 a{inputs_a[i]}; + const float3 b{inputs_b[i]}; + ramp_blend(blend_mode, a, factor, b); + const float result = a.x; + results.set(i, result); + } + }); +} + +static void do_mix_operation_float3(const int blend_mode, + const VArray<float> &factors, + const VArray<float3> &inputs_a, + const VArray<float3> &inputs_b, + VMutableArray<float3> &results) +{ + const int size = results.size(); + threading::parallel_for(IndexRange(size), 512, [&](IndexRange range) { + for (const int i : range) { + const float factor = factors[i]; + float3 a = inputs_a[i]; + const float3 b = inputs_b[i]; + ramp_blend(blend_mode, a, factor, b); + results.set(i, a); + } + }); +} + +static void do_mix_operation_color4f(const int blend_mode, + const VArray<float> &factors, + const VArray<ColorGeometry4f> &inputs_a, + const VArray<ColorGeometry4f> &inputs_b, + VMutableArray<ColorGeometry4f> &results) +{ + const int size = results.size(); + threading::parallel_for(IndexRange(size), 512, [&](IndexRange range) { + for (const int i : range) { + const float factor = factors[i]; + ColorGeometry4f a = inputs_a[i]; + const ColorGeometry4f b = inputs_b[i]; + ramp_blend(blend_mode, a, factor, b); + results.set(i, a); + } + }); +} + +static void do_mix_operation(const CustomDataType result_type, + int blend_mode, + const VArray<float> &attribute_factor, + const GVArray &attribute_a, + const GVArray &attribute_b, + GVMutableArray &attribute_result) +{ + if (result_type == CD_PROP_FLOAT) { + do_mix_operation_float(blend_mode, + attribute_factor, + attribute_a.typed<float>(), + attribute_b.typed<float>(), + attribute_result.typed<float>()); + } + else if (result_type == CD_PROP_FLOAT3) { + do_mix_operation_float3(blend_mode, + attribute_factor, + attribute_a.typed<float3>(), + attribute_b.typed<float3>(), + attribute_result.typed<float3>()); + } + else if (result_type == CD_PROP_COLOR) { + do_mix_operation_color4f(blend_mode, + attribute_factor, + attribute_a.typed<ColorGeometry4f>(), + attribute_b.typed<ColorGeometry4f>(), + attribute_result.typed<ColorGeometry4f>()); + } +} + +static AttributeDomain get_result_domain(const GeometryComponent &component, + const GeoNodeExecParams ¶ms, + StringRef result_name) +{ + /* Use the domain of the result attribute if it already exists. */ + std::optional<AttributeMetaData> result_info = component.attribute_get_meta_data(result_name); + if (result_info) { + return result_info->domain; + } + + /* Otherwise use the highest priority domain from existing input attributes, or the default. */ + return params.get_highest_priority_input_domain({"A", "B"}, component, ATTR_DOMAIN_POINT); +} + +static void attribute_mix_calc(GeometryComponent &component, const GeoNodeExecParams ¶ms) +{ + const bNode &node = params.node(); + const NodeAttributeMix *node_storage = (const NodeAttributeMix *)node.storage; + const std::string result_name = params.get_input<std::string>("Result"); + + /* Use the highest complexity data type among the inputs and outputs, that way the node will + * never "remove information". Use CD_PROP_BOOL as the lowest complexity data type, but in any + * real situation it won't be returned. */ + const CustomDataType result_type = bke::attribute_data_type_highest_complexity({ + params.get_input_attribute_data_type("A", component, CD_PROP_BOOL), + params.get_input_attribute_data_type("B", component, CD_PROP_BOOL), + params.get_input_attribute_data_type("Result", component, CD_PROP_BOOL), + }); + + const AttributeDomain result_domain = get_result_domain(component, params, result_name); + + OutputAttribute attribute_result = component.attribute_try_get_for_output_only( + result_name, result_domain, result_type); + if (!attribute_result) { + return; + } + + GVArray_Typed<float> attribute_factor = params.get_input_attribute<float>( + "Factor", component, result_domain, 0.5f); + GVArrayPtr attribute_a = params.get_input_attribute( + "A", component, result_domain, result_type, nullptr); + GVArrayPtr attribute_b = params.get_input_attribute( + "B", component, result_domain, result_type, nullptr); + + do_mix_operation(result_type, + node_storage->blend_type, + attribute_factor, + *attribute_a, + *attribute_b, + *attribute_result); + attribute_result.save(); +} + +static void geo_node_attribute_mix_exec(GeoNodeExecParams params) +{ + GeometrySet geometry_set = params.extract_input<GeometrySet>("Geometry"); + + geometry_set = geometry_set_realize_instances(geometry_set); + + if (geometry_set.has<MeshComponent>()) { + attribute_mix_calc(geometry_set.get_component_for_write<MeshComponent>(), params); + } + if (geometry_set.has<PointCloudComponent>()) { + attribute_mix_calc(geometry_set.get_component_for_write<PointCloudComponent>(), params); + } + if (geometry_set.has<CurveComponent>()) { + attribute_mix_calc(geometry_set.get_component_for_write<CurveComponent>(), params); + } + + params.set_output("Geometry", geometry_set); +} + +} // namespace blender::nodes + +void register_node_type_geo_attribute_mix() +{ + static bNodeType ntype; + geo_node_type_base( + &ntype, GEO_NODE_LEGACY_ATTRIBUTE_MIX, "Attribute Mix", NODE_CLASS_ATTRIBUTE, 0); + node_type_init(&ntype, blender::nodes::geo_node_attribute_mix_init); + node_type_update(&ntype, blender::nodes::geo_node_attribute_mix_update); + ntype.declare = blender::nodes::geo_node_mix_attribute_declare; + ntype.draw_buttons = blender::nodes::geo_node_attribute_mix_layout; + node_type_storage( + &ntype, "NodeAttributeMix", node_free_standard_storage, node_copy_standard_storage); + ntype.geometry_node_execute = blender::nodes::geo_node_attribute_mix_exec; + nodeRegisterType(&ntype); +} |