Merge branch 'master' into xr-controller-supportxr-controller-support

1 files changed, 315 insertions, 0 deletions

diff --git a/source/blender/nodes/geometry/nodes/legacy/node_geo_attribute_math.cc b/source/blender/nodes/geometry/nodes/legacy/node_geo_attribute_math.cc
new file mode 100644
index 00000000000..efa09215b45
--- /dev/null
+++ b/source/blender/nodes/geometry/nodes/legacy/node_geo_attribute_math.cc
@@ -0,0 +1,315 @@
+/*
+ * 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 "RNA_enum_types.h"
+
+#include "UI_interface.h"
+#include "UI_resources.h"
+
+#include "NOD_math_functions.hh"
+
+#include "node_geometry_util.hh"
+
+namespace blender::nodes {
+
+static void geo_node_attribute_math_declare(NodeDeclarationBuilder &b)
+{
+  b.add_input<decl::Geometry>("Geometry");
+  b.add_input<decl::String>("A");
+  b.add_input<decl::Float>("A", "A_001");
+  b.add_input<decl::String>("B");
+  b.add_input<decl::Float>("B", "B_001");
+  b.add_input<decl::String>("C");
+  b.add_input<decl::Float>("C", "C_001");
+  b.add_input<decl::String>("Result");
+  b.add_output<decl::Geometry>("Geometry");
+}
+
+static bool operation_use_input_c(const NodeMathOperation operation)
+{
+  return ELEM(operation,
+              NODE_MATH_MULTIPLY_ADD,
+              NODE_MATH_SMOOTH_MIN,
+              NODE_MATH_SMOOTH_MAX,
+              NODE_MATH_WRAP,
+              NODE_MATH_COMPARE);
+}
+
+static bool operation_use_input_b(const NodeMathOperation operation)
+{
+  switch (operation) {
+    case NODE_MATH_ADD:
+    case NODE_MATH_SUBTRACT:
+    case NODE_MATH_MULTIPLY:
+    case NODE_MATH_DIVIDE:
+    case NODE_MATH_POWER:
+    case NODE_MATH_LOGARITHM:
+    case NODE_MATH_MINIMUM:
+    case NODE_MATH_MAXIMUM:
+    case NODE_MATH_LESS_THAN:
+    case NODE_MATH_GREATER_THAN:
+    case NODE_MATH_MODULO:
+    case NODE_MATH_ARCTAN2:
+    case NODE_MATH_SNAP:
+    case NODE_MATH_WRAP:
+    case NODE_MATH_COMPARE:
+    case NODE_MATH_MULTIPLY_ADD:
+    case NODE_MATH_PINGPONG:
+    case NODE_MATH_SMOOTH_MIN:
+    case NODE_MATH_SMOOTH_MAX:
+      return true;
+    case NODE_MATH_SINE:
+    case NODE_MATH_COSINE:
+    case NODE_MATH_TANGENT:
+    case NODE_MATH_ARCSINE:
+    case NODE_MATH_ARCCOSINE:
+    case NODE_MATH_ARCTANGENT:
+    case NODE_MATH_ROUND:
+    case NODE_MATH_ABSOLUTE:
+    case NODE_MATH_FLOOR:
+    case NODE_MATH_CEIL:
+    case NODE_MATH_FRACTION:
+    case NODE_MATH_SQRT:
+    case NODE_MATH_INV_SQRT:
+    case NODE_MATH_SIGN:
+    case NODE_MATH_EXPONENT:
+    case NODE_MATH_RADIANS:
+    case NODE_MATH_DEGREES:
+    case NODE_MATH_SINH:
+    case NODE_MATH_COSH:
+    case NODE_MATH_TANH:
+    case NODE_MATH_TRUNC:
+      return false;
+  }
+  BLI_assert(false);
+  return false;
+}
+
+static void geo_node_attribute_math_layout(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
+{
+  bNode *node = (bNode *)ptr->data;
+  NodeAttributeMath *node_storage = (NodeAttributeMath *)node->storage;
+  NodeMathOperation operation = (NodeMathOperation)node_storage->operation;
+
+  uiItemR(layout, ptr, "operation", 0, "", ICON_NONE);
+
+  uiLayoutSetPropSep(layout, true);
+  uiLayoutSetPropDecorate(layout, false);
+  uiItemR(layout, ptr, "input_type_a", 0, IFACE_("A"), ICON_NONE);
+  if (operation_use_input_b(operation)) {
+    uiItemR(layout, ptr, "input_type_b", 0, IFACE_("B"), ICON_NONE);
+  }
+  if (operation_use_input_c(operation)) {
+    uiItemR(layout, ptr, "input_type_c", 0, IFACE_("C"), ICON_NONE);
+  }
+}
+
+static void geo_node_attribute_math_init(bNodeTree *UNUSED(tree), bNode *node)
+{
+  NodeAttributeMath *data = (NodeAttributeMath *)MEM_callocN(sizeof(NodeAttributeMath), __func__);
+
+  data->operation = NODE_MATH_ADD;
+  data->input_type_a = GEO_NODE_ATTRIBUTE_INPUT_ATTRIBUTE;
+  data->input_type_b = GEO_NODE_ATTRIBUTE_INPUT_ATTRIBUTE;
+  data->input_type_c = GEO_NODE_ATTRIBUTE_INPUT_ATTRIBUTE;
+  node->storage = data;
+}
+
+static void geo_node_math_label(bNodeTree *UNUSED(ntree), bNode *node, char *label, int maxlen)
+{
+  NodeAttributeMath &node_storage = *(NodeAttributeMath *)node->storage;
+  const char *name;
+  bool enum_label = RNA_enum_name(rna_enum_node_math_items, node_storage.operation, &name);
+  if (!enum_label) {
+    name = "Unknown";
+  }
+  BLI_strncpy(label, IFACE_(name), maxlen);
+}
+
+static void geo_node_attribute_math_update(bNodeTree *UNUSED(ntree), bNode *node)
+{
+  NodeAttributeMath &node_storage = *(NodeAttributeMath *)node->storage;
+  NodeMathOperation operation = static_cast<NodeMathOperation>(node_storage.operation);
+
+  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,
+      operation_use_input_b(operation));
+  update_attribute_input_socket_availabilities(
+      *node,
+      "C",
+      (GeometryNodeAttributeInputMode)node_storage.input_type_c,
+      operation_use_input_c(operation));
+}
+
+static void do_math_operation(const VArray<float> &span_a,
+                              const VArray<float> &span_b,
+                              const VArray<float> &span_c,
+                              MutableSpan<float> span_result,
+                              const NodeMathOperation operation)
+{
+  bool success = try_dispatch_float_math_fl_fl_fl_to_fl(
+      operation, [&](auto math_function, const FloatMathOperationInfo &UNUSED(info)) {
+        threading::parallel_for(IndexRange(span_result.size()), 512, [&](IndexRange range) {
+          for (const int i : range) {
+            span_result[i] = math_function(span_a[i], span_b[i], span_c[i]);
+          }
+        });
+      });
+  BLI_assert(success);
+  UNUSED_VARS_NDEBUG(success);
+}
+
+static void do_math_operation(const VArray<float> &span_a,
+                              const VArray<float> &span_b,
+                              MutableSpan<float> span_result,
+                              const NodeMathOperation operation)
+{
+  bool success = try_dispatch_float_math_fl_fl_to_fl(
+      operation, [&](auto math_function, const FloatMathOperationInfo &UNUSED(info)) {
+        threading::parallel_for(IndexRange(span_result.size()), 1024, [&](IndexRange range) {
+          for (const int i : range) {
+            span_result[i] = math_function(span_a[i], span_b[i]);
+          }
+        });
+      });
+  BLI_assert(success);
+  UNUSED_VARS_NDEBUG(success);
+}
+
+static void do_math_operation(const VArray<float> &span_input,
+                              MutableSpan<float> span_result,
+                              const NodeMathOperation operation)
+{
+  bool success = try_dispatch_float_math_fl_to_fl(
+      operation, [&](auto math_function, const FloatMathOperationInfo &UNUSED(info)) {
+        threading::parallel_for(IndexRange(span_result.size()), 1024, [&](IndexRange range) {
+          for (const int i : range) {
+            span_result[i] = math_function(span_input[i]);
+          }
+        });
+      });
+  BLI_assert(success);
+  UNUSED_VARS_NDEBUG(success);
+}
+
+static AttributeDomain get_result_domain(const GeometryComponent &component,
+                                         const GeoNodeExecParams &params,
+                                         const NodeMathOperation operation,
+                                         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. */
+  const AttributeDomain default_domain = ATTR_DOMAIN_POINT;
+  if (operation_use_input_b(operation)) {
+    if (operation_use_input_c(operation)) {
+      return params.get_highest_priority_input_domain({"A", "B", "C"}, component, default_domain);
+    }
+    return params.get_highest_priority_input_domain({"A", "B"}, component, default_domain);
+  }
+  return params.get_highest_priority_input_domain({"A"}, component, default_domain);
+}
+
+static void attribute_math_calc(GeometryComponent &component, const GeoNodeExecParams &params)
+{
+  const bNode &node = params.node();
+  const NodeAttributeMath *node_storage = (const NodeAttributeMath *)node.storage;
+  const NodeMathOperation operation = static_cast<NodeMathOperation>(node_storage->operation);
+  const std::string result_name = params.get_input<std::string>("Result");
+
+  /* The result type of this node is always float. */
+  const AttributeDomain result_domain = get_result_domain(
+      component, params, operation, result_name);
+
+  OutputAttribute_Typed<float> attribute_result =
+      component.attribute_try_get_for_output_only<float>(result_name, result_domain);
+  if (!attribute_result) {
+    return;
+  }
+
+  GVArray_Typed<float> attribute_a = params.get_input_attribute<float>(
+      "A", component, result_domain, 0.0f);
+
+  MutableSpan<float> result_span = attribute_result.as_span();
+
+  /* Note that passing the data with `get_internal_span<float>()` works
+   * because the attributes were accessed with #CD_PROP_FLOAT. */
+  if (operation_use_input_b(operation)) {
+    GVArray_Typed<float> attribute_b = params.get_input_attribute<float>(
+        "B", component, result_domain, 0.0f);
+    if (operation_use_input_c(operation)) {
+      GVArray_Typed<float> attribute_c = params.get_input_attribute<float>(
+          "C", component, result_domain, 0.0f);
+      do_math_operation(attribute_a, attribute_b, attribute_c, result_span, operation);
+    }
+    else {
+      do_math_operation(attribute_a, attribute_b, result_span, operation);
+    }
+  }
+  else {
+    do_math_operation(attribute_a, result_span, operation);
+  }
+
+  attribute_result.save();
+}
+
+static void geo_node_attribute_math_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_math_calc(geometry_set.get_component_for_write<MeshComponent>(), params);
+  }
+  if (geometry_set.has<PointCloudComponent>()) {
+    attribute_math_calc(geometry_set.get_component_for_write<PointCloudComponent>(), params);
+  }
+  if (geometry_set.has<CurveComponent>()) {
+    attribute_math_calc(geometry_set.get_component_for_write<CurveComponent>(), params);
+  }
+
+  params.set_output("Geometry", geometry_set);
+}
+
+}  // namespace blender::nodes
+
+void register_node_type_geo_attribute_math()
+{
+  static bNodeType ntype;
+
+  geo_node_type_base(
+      &ntype, GEO_NODE_LEGACY_ATTRIBUTE_MATH, "Attribute Math", NODE_CLASS_ATTRIBUTE, 0);
+  ntype.declare = blender::nodes::geo_node_attribute_math_declare;
+  ntype.geometry_node_execute = blender::nodes::geo_node_attribute_math_exec;
+  ntype.draw_buttons = blender::nodes::geo_node_attribute_math_layout;
+  node_type_label(&ntype, blender::nodes::geo_node_math_label);
+  node_type_update(&ntype, blender::nodes::geo_node_attribute_math_update);
+  node_type_init(&ntype, blender::nodes::geo_node_attribute_math_init);
+  node_type_storage(
+      &ntype, "NodeAttributeMath", node_free_standard_storage, node_copy_standard_storage);
+  nodeRegisterType(&ntype);
+}