# Copyright 2020 The Chromium Authors. All rights reserved. # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file. import("//build/config/chromecast_build.gni") import("//build/config/chromeos/ui_mode.gni") import("//build/toolchain/toolchain.gni") declare_args() { # Indicates if Ozone is enabled. Ozone is a low-level library layer for Linux # that does not require X11. use_ozone = is_chromeos || is_fuchsia || is_linux } declare_args() { # Ozone extra platforms file path. Can be overridden to build out of # tree ozone platforms. ozone_extra_path = "//build/config/ozone_extra.gni" # Select platforms automatically. Turn this off for manual control. ozone_auto_platforms = use_ozone # TODO(petermcneeley): Backwards compatiblity support for VM images. # Remove when deprecated. (https://crbug.com/1122009) ozone_platform_gbm = -1 # Enable explicit apitrace (https://apitrace.github.io) loading. # This requires apitrace library with additional bindings. # See ChromeOS package for details: # https://chromium-review.googlesource.com/c/chromiumos/overlays/chromiumos-overlay/+/2659419 # Chrome will not start without an apitrace.so library. # Trace will be saved to /tmp/gltrace.dat file by default. You can # override it at run time with TRACE_FILE= environment variable. enable_opengl_apitrace = false } declare_args() { # The platform that will used at runtime by default. This can be overridden # with the command line flag --ozone-platform=. ozone_platform = "" # Compile the 'cast' platform. ozone_platform_cast = false # Compile the 'drm' platform. ozone_platform_drm = false # Compile the 'headless' platform. ozone_platform_headless = false # Compile the 'scenic' platform. ozone_platform_scenic = false # Compile the 'flatland' platform. ozone_platform_flatland = false # Compile the 'x11' platform. ozone_platform_x11 = false # Compile the 'wayland' platform. ozone_platform_wayland = false if (ozone_auto_platforms) { # Use headless as the default platform unless modified below. ozone_platform = "headless" ozone_platform_headless = true if (is_cast_audio_only) { # Just use headless for audio-only Cast platforms. } else if (is_castos) { # Enable the Cast ozone platform on all video CastOS builds. ozone_platform_cast = true # For visual desktop Chromecast builds, override the default "headless" # platform with --ozone-platform=x11. # NOTE: The CQ is one such case. if (target_os == "linux" && (target_cpu == "x86" || target_cpu == "x64")) { ozone_platform_x11 = true } else { ozone_platform = "cast" } } else if (is_chromeos_ash) { ozone_platform = "x11" ozone_platform_drm = true ozone_platform_x11 = true } else if (is_chromeos_lacros) { ozone_platform = "wayland" ozone_platform_wayland = true } else if (is_linux) { ozone_platform = "x11" ozone_platform_wayland = true ozone_platform_x11 = true } else if (is_fuchsia) { ozone_platform = "scenic" ozone_platform_scenic = true ozone_platform_flatland = true } } # TODO(petermcneeley): Backwards compatiblity support for VM images. # Remove when deprecated. (https://crbug.com/1122009) if (ozone_platform_gbm != -1) { ozone_platform_drm = ozone_platform_gbm } } import(ozone_extra_path) _ozone_extra_directory = get_path_info(ozone_extra_path, "dir") # Extra paths to add to targets visibility list. ozone_external_platform_visibility = [ "$_ozone_extra_directory/*" ] if (is_a_target_toolchain) { assert(use_ozone || !(ozone_platform_cast || ozone_platform_drm || ozone_platform_flatland || ozone_platform_headless || ozone_platform_x11 || ozone_platform_wayland || ozone_platform_scenic), "Must set use_ozone to select ozone platforms") } # TODO(petermcneeley): Backwards compatiblity support for VM images. # Remove when deprecated. (https://crbug.com/1122009) assert(ozone_platform_gbm == -1 || ozone_platform_drm == ozone_platform_gbm) ozone_platform_gbm = ozone_platform_drm if (ozone_platform == "gbm") { ozone_platform = "drm" }