src/embedder/meta/embedder.cml

{
    include: [
        // Required to write to the system log.
        "syslog/client.shard.cml",
        // Required to load the Vulkan shared library.
        "vulkan/client.shard.cml",
    ],
    program: {
        // The embedder is a ELF binary that runs using the ELF runner.
        // The binary takes a single argument which is the path to the
        // Flutter app asset bundle to run.
        runner: "elf",
        binary: "bin/embedder",

        // To run a Flutter app with the embedder, compile the Flutter
        // app into an asset bundle and put that bundle in
        // `data/flutter_assets` in the component's package.
        args: ["/pkg/data/flutter_assets"],

        // Required for `std::cout` and `std::cerr` to print to
        // `ffx log`.
        forward_stdout_to: "log",
        forward_stderr_to: "log",

        // Required for JIT execution.
        job_policy_ambient_mark_vmo_exec: "true",
    },
    capabilities: [
        {
            protocol: [
                // For rendering.
                "fuchsia.ui.app.ViewProvider",
            ],
        },
    ],
    expose: [
        {
            protocol: [
                // For rendering.
                "fuchsia.ui.app.ViewProvider",
            ],
            from: "self",
            to: "parent"
        },
    ],
    use: [
        {
            protocol: [
                // For connecting to system font provider.
                "fuchsia.fonts.Provider",
                // For the Dart VM service.
                "fuchsia.posix.socket.Provider",
                // For allocating memory for graphics surfaces,
                // where memory needs to come from sysmem.
                "fuchsia.sysmem.Allocator",
                // For allocating memory for Flatland.
                "fuchsia.ui.composition.Allocator",
                // For compositing/presenting views.
                "fuchsia.ui.composition.Flatland",
                // For connecting to the Ime service.
                "fuchsia.ui.input.ImeService",
                // For connecting to the Keyboard service.
                "fuchsia.ui.input3.Keyboard",
                "fuchsia.ui.scenic.Scenic",
                "fuchsia.accessibility.semantics.SemanticsManager",
            ]
        },
    ],
}