/* SPDX-FileCopyrightText: 2024 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */

#include "BLI_math_matrix.hh"

#include "GPU_material.hh"

#include "node_function_util.hh"

namespace blender::nodes::node_fn_matrix_determinant_cc {

static void node_declare(NodeDeclarationBuilder &b)
{
  b.is_function_node();
  b.add_input<decl::Matrix>("Matrix"_ustr);
  b.add_output<decl::Float>("Determinant"_ustr);
}

static void node_build_multi_function(NodeMultiFunctionBuilder &builder)
{
  static auto fn = mf::build::SI1_SO<float4x4, float>(
      "Matrix Determinant", [](const float4x4 &matrix) { return math::determinant(matrix); });
  builder.set_matching_fn(fn);
}

static int node_gpu_material(GPUMaterial *material,
                             bNode *node,
                             bNodeExecData * /*execdata*/,
                             GPUNodeStack *inputs,
                             GPUNodeStack *outputs)
{
  return GPU_stack_link(material, node, "node_function_matrix_determinant", inputs, outputs);
}

static void node_register()
{
  static bke::bNodeType ntype;
  fn_cmp_node_type_base(&ntype, "FunctionNodeMatrixDeterminant"_ustr, FN_NODE_MATRIX_DETERMINANT);
  ntype.ui_name = "Matrix Determinant";
  ntype.ui_description = "Compute the determinant of the given matrix";
  ntype.enum_name_legacy = "MATRIX_DETERMINANT";
  ntype.nclass = NODE_CLASS_CONVERTER;
  ntype.declare = node_declare;
  ntype.build_multi_function = node_build_multi_function;
  ntype.gpu_fn = node_gpu_material;
  bke::node_register_type(ntype);
}
NOD_REGISTER_NODE(node_register)

}  // namespace blender::nodes::node_fn_matrix_determinant_cc
