1 files changed, 93 insertions, 0 deletions
diff --git a/source/blender/nodes/shader/nodes/node_shader_vertex_color.cc b/source/blender/nodes/shader/nodes/node_shader_vertex_color.cc
new file mode 100644
index 00000000000..6501527ef5d
--- /dev/null
+++ b/source/blender/nodes/shader/nodes/node_shader_vertex_color.cc
@@ -0,0 +1,93 @@
+/*
+ * 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.
+ *
+ * The Original Code is Copyright (C) 2005 Blender Foundation.
+ * All rights reserved.
+ */
+
+#include "node_shader_util.hh"
+
+#include "BKE_context.h"
+
+#include "UI_interface.h"
+#include "UI_resources.h"
+
+namespace blender::nodes::node_shader_vertex_color_cc {
+
+static void node_declare(NodeDeclarationBuilder &b)
+{
+  b.add_output<decl::Color>(N_("Color"));
+  b.add_output<decl::Float>(N_("Alpha"));
+}
+
+static void node_shader_buts_vertex_color(uiLayout *layout, bContext *C, PointerRNA *ptr)
+{
+  PointerRNA obptr = CTX_data_pointer_get(C, "active_object");
+  if (obptr.data && RNA_enum_get(&obptr, "type") == OB_MESH) {
+    PointerRNA dataptr = RNA_pointer_get(&obptr, "data");
+
+    if (U.experimental.use_sculpt_vertex_colors &&
+        RNA_collection_length(&dataptr, "sculpt_vertex_colors")) {
+      uiItemPointerR(
+          layout, ptr, "layer_name", &dataptr, "sculpt_vertex_colors", "", ICON_GROUP_VCOL);
+    }
+    else {
+      uiItemPointerR(layout, ptr, "layer_name", &dataptr, "vertex_colors", "", ICON_GROUP_VCOL);
+    }
+  }
+  else {
+    uiItemL(layout, TIP_("No mesh in active object"), ICON_ERROR);
+  }
+}
+
+static void node_shader_init_vertex_color(bNodeTree *UNUSED(ntree), bNode *node)
+{
+  NodeShaderVertexColor *vertexColor = MEM_cnew<NodeShaderVertexColor>("NodeShaderVertexColor");
+  node->storage = vertexColor;
+}
+
+static int node_shader_gpu_vertex_color(GPUMaterial *mat,
+                                        bNode *node,
+                                        bNodeExecData *UNUSED(execdata),
+                                        GPUNodeStack *in,
+                                        GPUNodeStack *out)
+{
+  NodeShaderVertexColor *vertexColor = (NodeShaderVertexColor *)node->storage;
+  if (U.experimental.use_sculpt_vertex_colors) {
+    GPUNodeLink *vertexColorLink = GPU_attribute(mat, CD_PROP_COLOR, vertexColor->layer_name);
+    return GPU_stack_link(mat, node, "node_vertex_color", in, out, vertexColorLink);
+  }
+  GPUNodeLink *vertexColorLink = GPU_attribute(mat, CD_MCOL, vertexColor->layer_name);
+  return GPU_stack_link(mat, node, "node_vertex_color", in, out, vertexColorLink);
+}
+
+}  // namespace blender::nodes::node_shader_vertex_color_cc
+
+void register_node_type_sh_vertex_color()
+{
+  namespace file_ns = blender::nodes::node_shader_vertex_color_cc;
+
+  static bNodeType ntype;
+
+  sh_node_type_base(&ntype, SH_NODE_VERTEX_COLOR, "Vertex Color", NODE_CLASS_INPUT);
+  ntype.declare = file_ns::node_declare;
+  ntype.draw_buttons = file_ns::node_shader_buts_vertex_color;
+  node_type_init(&ntype, file_ns::node_shader_init_vertex_color);
+  node_type_storage(
+      &ntype, "NodeShaderVertexColor", node_free_standard_storage, node_copy_standard_storage);
+  node_type_gpu(&ntype, file_ns::node_shader_gpu_vertex_color);
+
+  nodeRegisterType(&ntype);
+}