/* SPDX-License-Identifier: GPL-2.0-or-later
 * Copyright 2005 Blender Foundation. All rights reserved. */

#include "node_shader_util.hh"

namespace blender::nodes::node_shader_volume_absorption_cc {

static void node_declare(NodeDeclarationBuilder &b)
{
  b.add_input<decl::Color>(N_("Color")).default_value({0.8f, 0.8f, 0.8f, 1.0f});
  b.add_input<decl::Float>(N_("Density")).default_value(1.0f).min(0.0f).max(1000.0f);
  b.add_input<decl::Float>(N_("Weight")).unavailable();
  b.add_output<decl::Shader>(N_("Volume"));
}

static int node_shader_gpu_volume_absorption(GPUMaterial *mat,
                                             bNode *node,
                                             bNodeExecData * /*execdata*/,
                                             GPUNodeStack *in,
                                             GPUNodeStack *out)
{
  return GPU_stack_link(mat, node, "node_volume_absorption", in, out);
}

}  // namespace blender::nodes::node_shader_volume_absorption_cc

/* node type definition */
void register_node_type_sh_volume_absorption()
{
  namespace file_ns = blender::nodes::node_shader_volume_absorption_cc;

  static bNodeType ntype;

  sh_node_type_base(&ntype, SH_NODE_VOLUME_ABSORPTION, "Volume Absorption", NODE_CLASS_SHADER);
  ntype.declare = file_ns::node_declare;
  ntype.gpu_fn = file_ns::node_shader_gpu_volume_absorption;

  nodeRegisterType(&ntype);
}