1 files changed, 87 insertions, 0 deletions
diff --git a/source/blender/nodes/shader/nodes/node_shader_bump.cc b/source/blender/nodes/shader/nodes/node_shader_bump.cc
new file mode 100644
index 00000000000..f0788c543c2
--- /dev/null
+++ b/source/blender/nodes/shader/nodes/node_shader_bump.cc
@@ -0,0 +1,87 @@
+/*
+ * 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.
+ */
+
+/** \file
+ * \ingroup shdnodes
+ */
+
+#include "node_shader_util.hh"
+
+#include "UI_interface.h"
+#include "UI_resources.h"
+
+/* **************** BUMP ******************** */
+
+namespace blender::nodes::node_shader_bump_cc {
+
+static void node_declare(NodeDeclarationBuilder &b)
+{
+  b.add_input<decl::Float>(N_("Strength"))
+      .default_value(1.0f)
+      .min(0.0f)
+      .max(1.0f)
+      .subtype(PROP_FACTOR);
+  b.add_input<decl::Float>(N_("Distance")).default_value(1.0f).min(0.0f).max(1000.0f);
+  b.add_input<decl::Float>(N_("Height"))
+      .default_value(1.0f)
+      .min(-1000.0f)
+      .max(1000.0f)
+      .hide_value();
+  b.add_input<decl::Float>(N_("Height_dx")).default_value(1.0f).unavailable();
+  b.add_input<decl::Float>(N_("Height_dy")).default_value(1.0f).unavailable();
+  b.add_input<decl::Vector>(N_("Normal")).min(-1.0f).max(1.0f).hide_value();
+  b.add_output<decl::Vector>(N_("Normal"));
+}
+
+static void node_shader_buts_bump(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
+{
+  uiItemR(layout, ptr, "invert", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, 0);
+}
+
+static int gpu_shader_bump(GPUMaterial *mat,
+                           bNode *node,
+                           bNodeExecData *UNUSED(execdata),
+                           GPUNodeStack *in,
+                           GPUNodeStack *out)
+{
+  if (!in[5].link) {
+    GPU_link(mat, "world_normals_get", &in[5].link);
+  }
+
+  float invert = (node->custom1) ? -1.0 : 1.0;
+
+  return GPU_stack_link(mat, node, "node_bump", in, out, GPU_constant(&invert));
+}
+
+}  // namespace blender::nodes::node_shader_bump_cc
+
+/* node type definition */
+void register_node_type_sh_bump()
+{
+  namespace file_ns = blender::nodes::node_shader_bump_cc;
+
+  static bNodeType ntype;
+
+  sh_node_type_base(&ntype, SH_NODE_BUMP, "Bump", NODE_CLASS_OP_VECTOR);
+  ntype.declare = file_ns::node_declare;
+  ntype.draw_buttons = file_ns::node_shader_buts_bump;
+  node_type_gpu(&ntype, file_ns::gpu_shader_bump);
+
+  nodeRegisterType(&ntype);
+}