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# Copyright 2013 The Flutter 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/toolchain/clang.gni")
import("//flutter/common/config.gni")
import("//flutter/shell/gpu/gpu.gni")
import("//flutter/shell/platform/embedder/embedder.gni")
import("//flutter/testing/testing.gni")
declare_args() {
embedder_enable_software = shell_enable_software
embedder_enable_vulkan = shell_enable_vulkan
embedder_enable_gl = shell_enable_gl
embedder_enable_metal = shell_enable_metal
}
shell_gpu_configuration("embedder_gpu_configuration") {
enable_software = embedder_enable_software
enable_vulkan = embedder_enable_vulkan
enable_gl = embedder_enable_gl
enable_metal = embedder_enable_metal
}
_framework_binary_subpath = "Versions/A/FlutterEmbedder"
# Template for the embedder build. Used to allow building it multiple times with
# different flags.
template("embedder_source_set") {
forward_variables_from(invoker, "*")
source_set(target_name) {
sources = [
"embedder.cc",
"embedder_engine.cc",
"embedder_engine.h",
"embedder_external_texture_resolver.cc",
"embedder_external_texture_resolver.h",
"embedder_external_view.cc",
"embedder_external_view.h",
"embedder_external_view_embedder.cc",
"embedder_external_view_embedder.h",
"embedder_include.c",
"embedder_include2.c",
"embedder_layers.cc",
"embedder_layers.h",
"embedder_platform_message_response.cc",
"embedder_platform_message_response.h",
"embedder_render_target.cc",
"embedder_render_target.h",
"embedder_render_target_cache.cc",
"embedder_render_target_cache.h",
"embedder_struct_macros.h",
"embedder_surface.cc",
"embedder_surface.h",
"embedder_surface_software.cc",
"embedder_surface_software.h",
"embedder_task_runner.cc",
"embedder_task_runner.h",
"embedder_thread_host.cc",
"embedder_thread_host.h",
"platform_view_embedder.cc",
"platform_view_embedder.h",
"vsync_waiter_embedder.cc",
"vsync_waiter_embedder.h",
]
if (embedder_enable_gl) {
sources += [
"embedder_external_texture_gl.cc",
"embedder_external_texture_gl.h",
"embedder_surface_gl.cc",
"embedder_surface_gl.h",
]
}
deps = [
":embedder_gpu_configuration",
"//flutter/assets",
"//flutter/common",
"//flutter/common/graphics",
"//flutter/flow",
"//flutter/fml",
"//flutter/lib/ui",
"//flutter/runtime:libdart",
"//flutter/shell/common",
"//flutter/third_party/tonic",
"//third_party/dart/runtime/bin:dart_io_api",
"//third_party/dart/runtime/bin:elf_loader",
"//third_party/skia",
]
if (embedder_enable_metal) {
sources += [
"embedder_external_texture_metal.h",
"embedder_external_texture_metal.mm",
"embedder_surface_metal.h",
"embedder_surface_metal.mm",
]
cflags_objc = flutter_cflags_objc
cflags_objcc = flutter_cflags_objcc
deps += [ "//flutter/shell/platform/darwin/graphics" ]
}
public_deps = [ ":embedder_headers" ]
public_configs += [
":embedder_gpu_configuration_config",
"//flutter:config",
]
}
}
embedder_source_set("embedder") {
public_configs = []
}
embedder_source_set("embedder_as_internal_library") {
public_configs = [ ":embedder_internal_library_config" ]
}
source_set("embedder_headers") {
public = [ "embedder.h" ]
public_configs = [ "//flutter:config" ]
}
source_set("embedder_test_utils") {
public = [ "test_utils/proc_table_replacement.h" ]
deps = [ ":embedder_headers" ]
public_configs = [ "//flutter:config" ]
}
# For using the embedder API as internal implementation detail of an
# embedding.
config("embedder_internal_library_config") {
defines = [
# Use prefixed symbols to avoid collisions with higher level API.
"FLUTTER_API_SYMBOL_PREFIX=Embedder",
# Don't export the embedder.h API surface.
"FLUTTER_NO_EXPORT",
]
}
test_fixtures("fixtures") {
dart_main = "fixtures/main.dart"
fixtures = [
"fixtures/arc_end_caps.png",
"fixtures/compositor.png",
"fixtures/compositor_root_surface_xformation.png",
"fixtures/compositor_software.png",
"fixtures/compositor_with_platform_layer_on_bottom.png",
"fixtures/compositor_with_root_layer_only.png",
"fixtures/dpr_noxform.png",
"fixtures/dpr_xform.png",
"fixtures/gradient.png",
"fixtures/gradient_metal.png",
"fixtures/external_texture_metal.png",
"fixtures/gradient_xform.png",
"fixtures/scene_without_custom_compositor.png",
"fixtures/scene_without_custom_compositor_with_xform.png",
"fixtures/snapshot_large_scene.png",
"fixtures/verifyb143464703.png",
"fixtures/verifyb143464703_soft_noxform.png",
]
}
if (enable_unittests) {
executable("embedder_unittests") {
testonly = true
configs += [
":embedder_gpu_configuration_config",
"//flutter:export_dynamic_symbols",
]
include_dirs = [ "." ]
sources = [
"tests/embedder_a11y_unittests.cc",
"tests/embedder_config_builder.cc",
"tests/embedder_config_builder.h",
"tests/embedder_test.cc",
"tests/embedder_test.h",
"tests/embedder_test_backingstore_producer.cc",
"tests/embedder_test_backingstore_producer.h",
"tests/embedder_test_compositor.cc",
"tests/embedder_test_compositor.h",
"tests/embedder_test_compositor_software.cc",
"tests/embedder_test_compositor_software.h",
"tests/embedder_test_context.cc",
"tests/embedder_test_context.h",
"tests/embedder_test_context_software.cc",
"tests/embedder_test_context_software.h",
"tests/embedder_unittests.cc",
"tests/embedder_unittests_util.cc",
]
deps = [
":embedder",
":embedder_gpu_configuration",
":fixtures",
"//flutter/flow",
"//flutter/lib/ui",
"//flutter/runtime",
"//flutter/testing",
"//flutter/testing:dart",
"//flutter/testing:skia",
"//flutter/third_party/tonic",
"//third_party/dart/runtime/bin:elf_loader",
"//third_party/skia",
]
if (test_enable_gl) {
sources += [
"tests/embedder_test_compositor_gl.cc",
"tests/embedder_test_compositor_gl.h",
"tests/embedder_test_context_gl.cc",
"tests/embedder_test_context_gl.h",
"tests/embedder_unittests_gl.cc",
]
deps += [ "//flutter/testing:opengl" ]
}
if (test_enable_metal) {
sources += [
"tests/embedder_test_compositor_metal.cc",
"tests/embedder_test_compositor_metal.h",
"tests/embedder_test_context_metal.cc",
"tests/embedder_test_context_metal.h",
"tests/embedder_unittests_metal.mm",
]
deps += [ "//flutter/testing:metal" ]
}
}
# Tests the build in FLUTTER_ENGINE_NO_PROTOTYPES mode.
executable("embedder_proctable_unittests") {
testonly = true
configs += [
":embedder_gpu_configuration_config",
"//flutter:export_dynamic_symbols",
]
sources = [ "tests/embedder_unittests_proctable.cc" ]
defines = [ "FLUTTER_ENGINE_NO_PROTOTYPES" ]
if (is_win) {
libs = [ "psapi.lib" ]
}
deps = [
":embedder",
":embedder_gpu_configuration",
":fixtures",
"//flutter/testing",
#"//flutter/testing:dart",
#"//flutter/testing:skia",
#"//flutter/third_party/tonic",
#"//third_party/dart/runtime/bin:elf_loader",
#"//third_party/skia",
]
}
}
shared_library("flutter_engine_library") {
visibility = [ ":*" ]
output_name = "flutter_engine"
if (is_mac && !embedder_for_target) {
ldflags = [ "-Wl,-install_name,@rpath/FlutterEmbedder.framework/$_framework_binary_subpath" ]
}
deps = [ ":embedder" ]
public_configs = [ "//flutter:config" ]
}
copy("copy_headers") {
visibility = [ ":*" ]
sources = [ "embedder.h" ]
outputs = [ "$root_out_dir/flutter_embedder.h" ]
}
if (is_mac && !embedder_for_target) {
_flutter_embedder_framework_dir = "$root_out_dir/FlutterEmbedder.framework"
copy("copy_framework_headers") {
visibility = [ ":*" ]
sources = [ "embedder.h" ]
outputs = [
"$_flutter_embedder_framework_dir/Versions/A/Headers/FlutterEmbedder.h",
]
}
copy("copy_icu") {
visibility = [ ":*" ]
sources = [ "//third_party/icu/flutter/icudtl.dat" ]
outputs =
[ "$_flutter_embedder_framework_dir/Versions/A/Resources/icudtl.dat" ]
}
action("copy_info_plist") {
script = "//flutter/build/copy_info_plist.py"
visibility = [ ":*" ]
sources = [ "assets/EmbedderInfo.plist" ]
outputs =
[ "$_flutter_embedder_framework_dir/Versions/A/Resources/Info.plist" ]
args = [
rebase_path(sources[0]),
rebase_path(outputs[0]),
"--bitcode=$enable_bitcode",
]
}
copy("copy_module_map") {
visibility = [ ":*" ]
sources = [ "assets/embedder.modulemap" ]
outputs = [
"$_flutter_embedder_framework_dir/Versions/A/Modules/module.modulemap",
]
}
copy("copy_dylib") {
visibility = [ ":*" ]
sources = [ "$root_out_dir/libflutter_engine.dylib" ]
outputs = [ "$_flutter_embedder_framework_dir/$_framework_binary_subpath" ]
deps = [ ":flutter_engine_library" ]
}
action("generate_symlinks") {
visibility = [ ":*" ]
script = "//build/config/mac/package_framework.py"
outputs = [ "$root_build_dir/FlutterEmbedder.stamp" ]
args = [
"--framework",
"FlutterEmbedder.framework",
"--version",
"A",
"--contents",
"FlutterEmbedder",
"Resources",
"Headers",
"Modules",
"--stamp",
"FlutterEmbedder.stamp",
]
deps = [
":copy_dylib",
":copy_framework_headers",
":copy_icu",
":copy_info_plist",
":copy_module_map",
]
}
group("flutter_embedder_framework") {
visibility = [ ":*" ]
deps = [ ":generate_symlinks" ]
}
}
group("flutter_engine") {
deps = []
build_embedder_api =
current_toolchain == host_toolchain || embedder_for_target
if (build_embedder_api) {
# All platforms require the embedder dylib and headers.
deps += [
":copy_headers",
":flutter_engine_library",
]
# For the Mac, the dylib is packaged in a framework with the appropriate headers.
if (is_mac && !embedder_for_target) {
deps += [ ":flutter_embedder_framework" ]
}
}
}