kc3-lang/angle/third_party/vulkan-loader/BUILD.gn

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• Hash : 1f08ab28
  Author :
  Date : 2019-10-03T16:22:52
  

  Re-land "GN: Componentize vulkan back-end build."
  
  Re-land fixes angle_end2end_tests disabling Vulkan.
  
  This moves the build configuration into the Vulkan back-end dir.
  This should be a little easier to maintain as all Vulkan-related
  config is in one place.
  
  Note that this should not interfere with Skia's build as they do
  not import the Vulkan back-end sources.
  
  One additional possiblity that this enables is testing other
  compile-time permutations of the Vulkan back-end more easily. For
  example we could make a simple change to enable compile testing
  of the Vulkan back-end with custom command buffers disabled.
  
  Also fixes a few errors affecting less tested configs.
  
  Bug: angleproject:3943
  Change-Id: I0161668abcc58fcf529dde120998d4b99445fdd5
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1838454
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  

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• third_party/vulkan-loader/BUILD.gn

• # Copyright 2018 The ANGLE Project Authors. All rights reserved.
  # Use of this source code is governed by a BSD-style license that can be
  # found in the LICENSE file.
  
  # BUILD settings for Vulkan Loader
  # Loader repo is at
  # https://github.com/KhronosGroup/Vulkan-Loader
  
  import("../../gni/angle.gni")
  
  import("$angle_root/third_party/vulkan-headers/vulkan_headers_script_deps.gni")
  
  # Fuchsia has non-upstream changes to the vulkan loader, so we don't want
  # to build it from upstream sources.
  assert(!is_fuchsia)
  
  if (!is_android) {
    vulkan_undefine_configs = []
  }
  if (is_win) {
    vulkan_undefine_configs += [
      "//build/config/win:nominmax",
      "//build/config/win:unicode",
    ]
  }
  
  vulkan_gen_dir = "$target_gen_dir/angle/vulkan"
  raw_vulkan_gen_dir = rebase_path(vulkan_gen_dir, root_build_dir)
  
  # Vulkan helper scripts
  # ---------------------
  
  helper_script_and_deps = [
    [
      "vulkan_gen_dispatch_table_helper_h",
      "vk_dispatch_table_helper.h",
      "dispatch_table_helper_generator.py",
    ],
    [
      "vulkan_gen_enum_string_helper",
      "vk_enum_string_helper.h",
      "helper_file_generator.py",
    ],
    [
      "vulkan_gen_extension_helper",
      "vk_extension_helper.h",
      "helper_file_generator.py",
    ],
    [
      "vulkan_gen_layer_dispatch_table_h",
      "vk_layer_dispatch_table.h",
      "loader_extension_generator.py",
    ],
    [
      "vulkan_gen_loader_extensions_c",
      "vk_loader_extensions.c",
      "loader_extension_generator.py",
    ],
    [
      "vulkan_gen_loader_extensions_h",
      "vk_loader_extensions.h",
      "loader_extension_generator.py",
    ],
    [
      "vulkan_gen_object_types_h",
      "vk_object_types.h",
      "helper_file_generator.py",
    ],
    [
      "vulkan_gen_safe_struct_cpp",
      "vk_safe_struct.cpp",
      "helper_file_generator.py",
    ],
    [
      "vulkan_gen_safe_struct_h",
      "vk_safe_struct.h",
      "helper_file_generator.py",
    ],
    [
      "vulkan_gen_typemap_helper",
      "vk_typemap_helper.h",
      "helper_file_generator.py",
    ],
  ]
  
  # Python scripts needed for codegen, copy them to a temp dir
  # so that all dependencies are together. The reg.py script from
  # the headers repo is required input to loader_genvk.py.
  copy("python_gen_deps") {
    sources = vulkan_registry_script_files + [
                "src/scripts/common_codegen.py",
                "src/scripts/dispatch_table_helper_generator.py",
                "src/scripts/helper_file_generator.py",
                "src/scripts/loader_extension_generator.py",
                "src/scripts/loader_genvk.py",
              ]
    outputs = [
      "$vulkan_gen_dir/{{source_file_part}}",
    ]
  }
  
  foreach(script_and_dep, helper_script_and_deps) {
    target_name = script_and_dep[0]
    file = script_and_dep[1]
    dep = script_and_dep[2]
    target("action", target_name) {
      public_deps = [
        ":python_gen_deps",
      ]
      script = "$vulkan_gen_dir/loader_genvk.py"
      inputs = [
        "$vulkan_gen_dir/$dep",
        "$vulkan_gen_dir/common_codegen.py",
      ]
      outputs = [
        "$vulkan_gen_dir/$file",
      ]
      args = [
        "-o",
        raw_vulkan_gen_dir,
        "-registry",
        "$raw_vulkan_gen_dir/vk.xml",
        "-scripts",
        raw_vulkan_gen_dir,
        "$file",
        "-quiet",
      ]
    }
  }
  
  config("vulkan_generated_files_config") {
    include_dirs = [ vulkan_gen_dir ]
  }
  
  group("vulkan_generate_helper_files") {
    public_deps = [
      "$angle_root/third_party/vulkan-headers:vulkan_headers",
    ]
    public_configs = [ ":vulkan_generated_files_config" ]
    foreach(script_and_dep, helper_script_and_deps) {
      target_name = script_and_dep[0]
      public_deps += [ ":$target_name" ]
    }
  }
  
  config("vulkan_internal_config") {
    defines = [ "VULKAN_NON_CMAKE_BUILD" ]
    if (is_clang || !is_win) {
      cflags = [ "-Wno-unused-function" ]
    }
    if (is_linux) {
      defines += [
        "SYSCONFDIR=\"/etc\"",
        "FALLBACK_CONFIG_DIRS=\"/etc/xdg\"",
        "FALLBACK_DATA_DIRS=\"/usr/local/share:/usr/share\"",
      ]
    }
  }
  
  # Vulkan loader
  # -------------
  
  config("vulkan_loader_config") {
    include_dirs = [
      vulkan_gen_dir,
      "$angle_root/third_party/vulkan-headers/src/include",
      "src/loader",
    ]
    defines = [ "API_NAME=\"Vulkan\"" ]
  
    if (is_win) {
      cflags = [ "/wd4201" ]
    }
    if (is_linux) {
      # assume secure_getenv() is available
      defines += [ "HAVE_SECURE_GETENV" ]
    }
  }
  
  if (!is_android) {
    if (angle_shared_libvulkan) {
      library_type = "shared_library"
    } else {
      library_type = "static_library"
    }
  
    target(library_type, "libvulkan") {
      sources = [
        "src/loader/asm_offset.c",
        "src/loader/cJSON.c",
        "src/loader/cJSON.h",
        "src/loader/debug_utils.c",
        "src/loader/debug_utils.h",
        "src/loader/dev_ext_trampoline.c",
        "src/loader/extension_manual.c",
        "src/loader/extension_manual.h",
        "src/loader/gpa_helper.h",
        "src/loader/loader.c",
        "src/loader/loader.h",
        "src/loader/murmurhash.c",
        "src/loader/murmurhash.h",
        "src/loader/phys_dev_ext.c",
        "src/loader/trampoline.c",
  
        # TODO(jmadill): Use assembler where available.
        "src/loader/unknown_ext_chain.c",
        "src/loader/vk_loader_platform.h",
        "src/loader/wsi.c",
        "src/loader/wsi.h",
      ]
      if (is_win) {
        sources += [
          "src/loader/dirent_on_windows.c",
          "src/loader/dirent_on_windows.h",
        ]
        if (!is_clang) {
          cflags = [
            "/wd4054",  # Type cast from function pointer
            "/wd4055",  # Type cast from data pointer
            "/wd4100",  # Unreferenced formal parameter
            "/wd4152",  # Nonstandard extension used (pointer conversion)
            "/wd4201",  # Nonstandard extension used: nameless struct/union
            "/wd4214",  # Nonstandard extension used: bit field types other than int
            "/wd4232",  # Nonstandard extension used: address of dllimport is not static
            "/wd4305",  # Type cast truncation
            "/wd4706",  # Assignment within conditional expression
            "/wd4996",  # Unsafe stdlib function
          ]
        }
      }
      deps = [
        ":vulkan_generate_helper_files",
      ]
      public_deps = [
        "$angle_root/third_party/vulkan-headers:vulkan_headers",
      ]
      configs -= [ "//build/config/compiler:chromium_code" ]
      configs += [ "//build/config/compiler:no_chromium_code" ]
      configs += [ ":vulkan_internal_config" ]
      public_configs = [
        "$angle_root/src/libANGLE/renderer/vulkan:vulkan_config",
        ":vulkan_loader_config",
      ]
      configs -= vulkan_undefine_configs
    }
  }
  

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