third_party/gn/dxc/build/add_hlsl_hctgen.gni

# Copyright 2023 The Dawn Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# 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
  }
}