Cleanup: Migrate all shader nodes to c++

This will be useful in the future to use the new socket builder API

Aditional changes:

- Declare variables where initialized
- Do not use relative includes

Differential Revision: https://developer.blender.org/D13465

1 files changed, 80 insertions, 0 deletions

diff --git a/source/blender/nodes/shader/nodes/node_shader_vector_displacement.cc b/source/blender/nodes/shader/nodes/node_shader_vector_displacement.cc
new file mode 100644
index 00000000000..0ab0495e8cb
--- /dev/null
+++ b/source/blender/nodes/shader/nodes/node_shader_vector_displacement.cc
@@ -0,0 +1,80 @@
+/*
+ * 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"
+
+/* **************** OUTPUT ******************** */
+
+static bNodeSocketTemplate sh_node_vector_displacement_in[] = {
+    {SOCK_RGBA, N_("Vector"), 0.00f, 0.0f, 0.0f, 0.0f, 0.0f, 1000.0f, PROP_NONE, SOCK_HIDE_VALUE},
+    {SOCK_FLOAT, N_("Midlevel"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1000.0f},
+    {SOCK_FLOAT, N_("Scale"), 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1000.0f},
+    {-1, ""},
+};
+
+static bNodeSocketTemplate sh_node_vector_displacement_out[] = {
+    {SOCK_VECTOR, N_("Displacement"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f},
+    {-1, ""},
+};
+
+static void node_shader_init_vector_displacement(bNodeTree *UNUSED(ntree), bNode *node)
+{
+  node->custom1 = SHD_SPACE_TANGENT; /* space */
+}
+
+static int gpu_shader_vector_displacement(GPUMaterial *mat,
+                                          bNode *node,
+                                          bNodeExecData *UNUSED(execdata),
+                                          GPUNodeStack *in,
+                                          GPUNodeStack *out)
+{
+  if (node->custom1 == SHD_SPACE_TANGENT) {
+    return GPU_stack_link(mat,
+                          node,
+                          "node_vector_displacement_tangent",
+                          in,
+                          out,
+                          GPU_attribute(mat, CD_TANGENT, ""),
+                          GPU_builtin(GPU_WORLD_NORMAL),
+                          GPU_builtin(GPU_OBJECT_MATRIX),
+                          GPU_builtin(GPU_VIEW_MATRIX));
+  }
+  if (node->custom1 == SHD_SPACE_OBJECT) {
+    return GPU_stack_link(
+        mat, node, "node_vector_displacement_object", in, out, GPU_builtin(GPU_OBJECT_MATRIX));
+  }
+
+  return GPU_stack_link(mat, node, "node_vector_displacement_world", in, out);
+}
+
+/* node type definition */
+void register_node_type_sh_vector_displacement(void)
+{
+  static bNodeType ntype;
+
+  sh_node_type_base(
+      &ntype, SH_NODE_VECTOR_DISPLACEMENT, "Vector Displacement", NODE_CLASS_OP_VECTOR, 0);
+  node_type_socket_templates(
+      &ntype, sh_node_vector_displacement_in, sh_node_vector_displacement_out);
+  node_type_storage(&ntype, "", nullptr, nullptr);
+  node_type_init(&ntype, node_shader_init_vector_displacement);
+  node_type_gpu(&ntype, gpu_shader_vector_displacement);
+
+  nodeRegisterType(&ntype);
+}