third_party/gn/dxc/build/add_hlsl_hctgen.gni

# Copyright 2023 The Dawn & Tint Authors
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# See cmake/modules/HCT.cmake
template("add_hlsl_hctgen") {
  assert(defined(invoker.mode), "must set 'mode' in $target_name")
  assert(defined(invoker.output), "must set 'output' in $target_name")

  action(target_name) {
    if (defined(invoker.build_dir) && invoker.build_dir) {
      # TODO(amaiorano): See HCT.cmake
    }
    if (defined(invoker.code_tag) && invoker.code_tag) {
      # TODO(amaiorano): See HCT.cmake
    }

    script = "${invoker.dawn_dxc_dir}/utils/hct/hctgen.py"
    inputs = [
      "${invoker.dawn_dxc_dir}/utils/hct/gen_intrin_main.txt",
      "${invoker.dawn_dxc_dir}/utils/hct/hctdb.py",
      "${invoker.dawn_dxc_dir}/utils/hct/hctdb_instrhelp.py",
    ]
    gen_output = "$target_gen_dir" + invoker.output
    outputs = [ gen_output ]
    args = [
      "--force-lf",  # Always?
      "${invoker.mode}",
      "--output",
      rebase_path(gen_output, root_build_dir),
    ]

    # TODO(amaiorano) Make sure both build_dir and code_tag aren't true
  }
}