1 files changed, 59 insertions, 0 deletions
diff --git a/source/blender/nodes/shader/nodes/node_shader_layer_weight.cc b/source/blender/nodes/shader/nodes/node_shader_layer_weight.cc
new file mode 100644
index 00000000000..0294a0bde07
--- /dev/null
+++ b/source/blender/nodes/shader/nodes/node_shader_layer_weight.cc
@@ -0,0 +1,59 @@
+/*
+ * 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"
+
+namespace blender::nodes::node_shader_layer_weight_cc {
+
+static void node_declare(NodeDeclarationBuilder &b)
+{
+  b.add_input<decl::Float>(N_("Blend")).default_value(0.5f).min(0.0f).max(1.0f);
+  b.add_input<decl::Vector>(N_("Normal")).hide_value();
+  b.add_output<decl::Float>(N_("Fresnel"));
+  b.add_output<decl::Float>(N_("Facing"));
+}
+
+static int node_shader_gpu_layer_weight(GPUMaterial *mat,
+                                        bNode *node,
+                                        bNodeExecData *UNUSED(execdata),
+                                        GPUNodeStack *in,
+                                        GPUNodeStack *out)
+{
+  if (!in[1].link) {
+    GPU_link(mat, "world_normals_get", &in[1].link);
+  }
+
+  return GPU_stack_link(mat, node, "node_layer_weight", in, out);
+}
+
+}  // namespace blender::nodes::node_shader_layer_weight_cc
+
+/* node type definition */
+void register_node_type_sh_layer_weight()
+{
+  namespace file_ns = blender::nodes::node_shader_layer_weight_cc;
+
+  static bNodeType ntype;
+
+  sh_node_type_base(&ntype, SH_NODE_LAYER_WEIGHT, "Layer Weight", NODE_CLASS_INPUT);
+  ntype.declare = file_ns::node_declare;
+  node_type_gpu(&ntype, file_ns::node_shader_gpu_layer_weight);
+
+  nodeRegisterType(&ntype);
+}