BUILD.gn

# Copyright (C) 2018-2019 The ANGLE Project Authors.
# Copyright (C) 2019-2023 LunarG, Inc.
#
# 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
#
#     https://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.

import("//build_overrides/build.gni")
import("//build_overrides/vulkan_tools.gni")

if (!is_android) {
  vulkan_undefine_configs = []
  if (is_win && build_with_chromium) {
    vulkan_undefine_configs += [
      "//build/config/win:nominmax",
      "//build/config/win:unicode",
    ]
  }

  # Vulkan Mock ICD
  # ---------------
  shared_library("VkICD_mock_icd") {
    configs -= vulkan_undefine_configs
    deps = [
      "$vulkan_headers_dir:vulkan_headers"
    ]
    data_deps = [ ":vulkan_gen_icd_json_file" ]
    sources = [
      "icd/mock_icd.h",
      "icd/mock_icd.cpp",
      "icd/generated/function_declarations.h",
      "icd/generated/function_definitions.h",
      "icd/generated/vk_typemap_helper.h",
    ]
    include_dirs = [
        "icd",
        "icd/generated",
    ]
    if (is_win) {
      sources += [ "icd/VkICD_mock_icd.def" ]
    }
    if (build_with_chromium) {
      configs -= [ "//build/config/compiler:chromium_code" ]
      configs += [ "//build/config/compiler:no_chromium_code" ]
    }
  }

  action("vulkan_gen_icd_json_file") {
    script = "scripts/gn/generate_vulkan_icd_json.py"

    public_deps = [ "$vulkan_headers_dir:vulkan_headers" ]

    sources = [  "icd/VkICD_mock_icd.json.in" ]

    vulkan_data_dir = "$root_out_dir/$vulkan_data_subdir"

    outputs = [ "$vulkan_data_dir/VkICD_mock_icd.json" ]

    if (is_linux) {
      _platform = "Linux"
    } else if (is_win) {
      _platform = "Windows"
    } else if (is_mac) {
      _platform = "Darwin"
    } else if (is_fuchsia) {
      _platform = "Fuchsia"
    } else {
      _platform = "Other"
    }

    args =  [
      "--icd",
      "--platform", _platform,
      rebase_path("icd/", root_build_dir),
      rebase_path(vulkan_data_dir, root_build_dir)
    ] + rebase_path(sources, root_build_dir)

    if (is_win) {
      args += [ "--no-path-prefix" ]
    }

    data = outputs
  }
}