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

#include "node_shader_util.hh"

#include "UI_interface.h"
#include "UI_resources.h"

namespace blender::nodes::node_shader_wireframe_cc {

static void node_declare(NodeDeclarationBuilder &b)
{
  b.add_input<decl::Float>(N_("Size")).default_value(0.01f).min(0.0f).max(100.0f);
  b.add_output<decl::Float>(N_("Fac"));
}

static void node_shader_buts_wireframe(uiLayout *layout, bContext * /*C*/, PointerRNA *ptr)
{
  uiItemR(layout, ptr, "use_pixel_size", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, 0);
}

static int node_shader_gpu_wireframe(GPUMaterial *mat,
                                     bNode *node,
                                     bNodeExecData * /*execdata*/,
                                     GPUNodeStack *in,
                                     GPUNodeStack *out)
{
  GPU_material_flag_set(mat, GPU_MATFLAG_BARYCENTRIC);
  /* node->custom1 is use_pixel_size */
  if (node->custom1) {
    return GPU_stack_link(mat, node, "node_wireframe_screenspace", in, out);
  }
  else {
    return GPU_stack_link(mat, node, "node_wireframe", in, out);
  }
}

}  // namespace blender::nodes::node_shader_wireframe_cc

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

  static bNodeType ntype;

  sh_node_type_base(&ntype, SH_NODE_WIREFRAME, "Wireframe", NODE_CLASS_INPUT);
  ntype.declare = file_ns::node_declare;
  ntype.draw_buttons = file_ns::node_shader_buts_wireframe;
  node_type_gpu(&ntype, file_ns::node_shader_gpu_wireframe);

  nodeRegisterType(&ntype);
}