node_shader_rgb.cc

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/* SPDX-FileCopyrightText: 2005 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#include "node_shader_util.hh"
 
namespace blender::nodes::node_shader_rgb_cc {
 
static void node_declare(NodeDeclarationBuilder &b)
{
  b.add_output<decl::Color>("Color").default_value({0.5f, 0.5f, 0.5f, 1.0f});
}
 
static int gpu_shader_rgb(GPUMaterial *mat,
                          bNode *node,
                          bNodeExecData * /*execdata*/,
                          GPUNodeStack * /*in*/,
                          GPUNodeStack *out)
{
  const bNodeSocket *socket = static_cast<bNodeSocket *>(node->outputs.first);
  float *value = static_cast<bNodeSocketValueRGBA *>(socket->default_value)->value;
  return GPU_link(mat, "set_rgba", GPU_uniform(value), &out->link);
}
 
NODE_SHADER_MATERIALX_BEGIN
#ifdef WITH_MATERIALX
{
  NodeItem color = get_output_default("Color", NodeItem::Type::Color4);
  return create_node("constant", NodeItem::Type::Color4, {{"value", color}});
}
#endif
NODE_SHADER_MATERIALX_END
 
}  // namespace blender::nodes::node_shader_rgb_cc
 
void register_node_type_sh_rgb()
{
  namespace file_ns = blender::nodes::node_shader_rgb_cc;
 
  static blender::bke::bNodeType ntype;
 
  sh_node_type_base(&ntype, SH_NODE_RGB, "RGB", NODE_CLASS_INPUT);
  ntype.declare = file_ns::node_declare;
  ntype.gpu_fn = file_ns::gpu_shader_rgb;
  ntype.materialx_fn = file_ns::node_shader_materialx;
 
  blender::bke::node_register_type(&ntype);
}