mirror of
https://github.com/godotengine/godot.git
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242 lines
8.4 KiB
Python
242 lines
8.4 KiB
Python
import os
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import platform
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import subprocess
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import sys
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from typing import TYPE_CHECKING
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from methods import print_error, print_warning
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from platform_methods import validate_arch
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if TYPE_CHECKING:
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from SCons.Script.SConscript import SConsEnvironment
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def get_name():
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return "Android"
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def can_build():
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return os.path.exists(get_env_android_sdk_root())
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def get_opts():
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from SCons.Variables import BoolVariable
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return [
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("ANDROID_HOME", "Path to the Android SDK", get_env_android_sdk_root()),
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(
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"ndk_platform",
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'Target platform (android-<api>, e.g. "android-' + str(get_min_target_api()) + '")',
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"android-" + str(get_min_target_api()),
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),
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BoolVariable("store_release", "Editor build for Google Play Store (for official builds only)", False),
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BoolVariable("generate_apk", "Generate an APK/AAB after building Android library by calling Gradle", False),
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BoolVariable("swappy", "Use Swappy Frame Pacing library", False),
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]
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def get_doc_classes():
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return [
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"EditorExportPlatformAndroid",
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]
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def get_doc_path():
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return "doc_classes"
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# Return the ANDROID_HOME environment variable.
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def get_env_android_sdk_root():
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return os.environ.get("ANDROID_HOME", os.environ.get("ANDROID_SDK_ROOT", ""))
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def get_min_sdk_version(platform):
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return int(platform.split("-")[1])
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def get_android_ndk_root(env: "SConsEnvironment"):
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return env["ANDROID_HOME"] + "/ndk/" + get_ndk_version()
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# This is kept in sync with the value in 'platform/android/java/app/config.gradle'.
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def get_ndk_version():
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return "23.2.8568313"
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# This is kept in sync with the value in 'platform/android/java/app/config.gradle'.
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def get_min_target_api():
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return 21
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def get_flags():
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return {
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"arch": "arm64",
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"target": "template_debug",
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"supported": ["mono"],
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}
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# Check if Android NDK version is installed
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# If not, install it.
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def install_ndk_if_needed(env: "SConsEnvironment"):
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sdk_root = env["ANDROID_HOME"]
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if not os.path.exists(get_android_ndk_root(env)):
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extension = ".bat" if os.name == "nt" else ""
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sdkmanager = sdk_root + "/cmdline-tools/latest/bin/sdkmanager" + extension
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if os.path.exists(sdkmanager):
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# Install the Android NDK
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print("Installing Android NDK...")
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ndk_download_args = "ndk;" + get_ndk_version()
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subprocess.check_call([sdkmanager, ndk_download_args])
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else:
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print_error(
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f'Cannot find "{sdkmanager}". Please ensure ANDROID_HOME is correct and cmdline-tools'
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f' are installed, or install NDK version "{get_ndk_version()}" manually.'
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)
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sys.exit(255)
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env["ANDROID_NDK_ROOT"] = get_android_ndk_root(env)
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def detect_swappy():
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archs = ["arm64-v8a", "armeabi-v7a", "x86", "x86_64"]
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has_swappy = True
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for arch in archs:
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if not os.path.isfile(f"thirdparty/swappy-frame-pacing/{arch}/libswappy_static.a"):
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has_swappy = False
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return has_swappy
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def configure(env: "SConsEnvironment"):
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# Validate arch.
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supported_arches = ["x86_32", "x86_64", "arm32", "arm64"]
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validate_arch(env["arch"], get_name(), supported_arches)
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if get_min_sdk_version(env["ndk_platform"]) < get_min_target_api():
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print_warning(
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"Minimum supported Android target api is %d. Forcing target api %d."
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% (get_min_target_api(), get_min_target_api())
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)
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env["ndk_platform"] = "android-" + str(get_min_target_api())
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install_ndk_if_needed(env)
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ndk_root = env["ANDROID_NDK_ROOT"]
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# Architecture
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if env["arch"] == "arm32":
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target_triple = "armv7a-linux-androideabi"
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elif env["arch"] == "arm64":
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target_triple = "aarch64-linux-android"
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elif env["arch"] == "x86_32":
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target_triple = "i686-linux-android"
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elif env["arch"] == "x86_64":
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target_triple = "x86_64-linux-android"
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target_option = ["-target", target_triple + str(get_min_sdk_version(env["ndk_platform"]))]
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env.Append(ASFLAGS=[target_option, "-c"])
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env.Append(CCFLAGS=target_option)
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env.Append(LINKFLAGS=target_option)
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# LTO
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if env["lto"] == "auto": # LTO benefits for Android (size, performance) haven't been clearly established yet.
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env["lto"] = "none"
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if env["lto"] != "none":
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if env["lto"] == "thin":
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env.Append(CCFLAGS=["-flto=thin"])
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env.Append(LINKFLAGS=["-flto=thin"])
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else:
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env.Append(CCFLAGS=["-flto"])
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env.Append(LINKFLAGS=["-flto"])
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# Compiler configuration
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env["SHLIBSUFFIX"] = ".so"
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if env["PLATFORM"] == "win32":
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env.use_windows_spawn_fix()
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if sys.platform.startswith("linux"):
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host_subpath = "linux-x86_64"
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elif sys.platform.startswith("darwin"):
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host_subpath = "darwin-x86_64"
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elif sys.platform.startswith("win"):
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if platform.machine().endswith("64"):
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host_subpath = "windows-x86_64"
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else:
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host_subpath = "windows"
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toolchain_path = ndk_root + "/toolchains/llvm/prebuilt/" + host_subpath
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compiler_path = toolchain_path + "/bin"
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env["CC"] = compiler_path + "/clang"
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env["CXX"] = compiler_path + "/clang++"
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env["AR"] = compiler_path + "/llvm-ar"
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env["RANLIB"] = compiler_path + "/llvm-ranlib"
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env["AS"] = compiler_path + "/clang"
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env.Append(
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CCFLAGS=(["-fpic", "-ffunction-sections", "-funwind-tables", "-fstack-protector-strong", "-fvisibility=hidden"])
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)
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has_swappy = detect_swappy()
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if not has_swappy:
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print_warning(
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"Swappy Frame Pacing not detected! It is strongly recommended you download it from https://github.com/darksylinc/godot-swappy/releases and extract it so that the following files can be found:\n"
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+ " thirdparty/swappy-frame-pacing/arm64-v8a/libswappy_static.a\n"
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+ " thirdparty/swappy-frame-pacing/armeabi-v7a/libswappy_static.a\n"
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+ " thirdparty/swappy-frame-pacing/x86/libswappy_static.a\n"
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+ " thirdparty/swappy-frame-pacing/x86_64/libswappy_static.a\n"
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+ "Without Swappy, Godot apps on Android will inevitable suffer stutter and struggle to keep consistent 30/60/90/120 fps. Though Swappy cannot guarantee your app will be stutter-free, not having Swappy will guarantee there will be stutter even on the best phones and the most simple of scenes."
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)
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if env["swappy"]:
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print_error("Use build option `swappy=no` to ignore missing Swappy dependency and build without it.")
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sys.exit(255)
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if get_min_sdk_version(env["ndk_platform"]) >= 24:
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env.Append(CPPDEFINES=[("_FILE_OFFSET_BITS", 64)])
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if env["arch"] == "x86_32":
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# The NDK adds this if targeting API < 24, so we can drop it when Godot targets it at least
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env.Append(CCFLAGS=["-mstackrealign"])
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if has_swappy:
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env.Append(LIBPATH=["#thirdparty/swappy-frame-pacing/x86"])
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elif env["arch"] == "x86_64":
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if has_swappy:
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env.Append(LIBPATH=["#thirdparty/swappy-frame-pacing/x86_64"])
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elif env["arch"] == "arm32":
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env.Append(CCFLAGS=["-march=armv7-a", "-mfloat-abi=softfp"])
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env.Append(CPPDEFINES=["__ARM_ARCH_7__", "__ARM_ARCH_7A__"])
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env.Append(CPPDEFINES=["__ARM_NEON__"])
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if has_swappy:
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env.Append(LIBPATH=["#thirdparty/swappy-frame-pacing/armeabi-v7a"])
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elif env["arch"] == "arm64":
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env.Append(CCFLAGS=["-mfix-cortex-a53-835769"])
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env.Append(CPPDEFINES=["__ARM_ARCH_8A__"])
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if has_swappy:
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env.Append(LIBPATH=["#thirdparty/swappy-frame-pacing/arm64-v8a"])
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env.Append(CCFLAGS=["-ffp-contract=off"])
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# Link flags
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env.Append(LINKFLAGS=["-Wl,--gc-sections", "-Wl,--no-undefined", "-Wl,-z,now"])
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env.Append(LINKFLAGS=["-Wl,-soname,libgodot_android.so"])
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env.Prepend(CPPPATH=["#platform/android"])
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env.Append(CPPDEFINES=["ANDROID_ENABLED", "UNIX_ENABLED"])
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env.Append(LIBS=["OpenSLES", "EGL", "android", "log", "z", "dl"])
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if env["vulkan"]:
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env.Append(CPPDEFINES=["VULKAN_ENABLED", "RD_ENABLED"])
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if has_swappy:
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env.Append(CPPDEFINES=["SWAPPY_FRAME_PACING_ENABLED"])
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env.Append(LIBS=["swappy_static"])
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if not env["use_volk"]:
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env.Append(LIBS=["vulkan"])
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if env["opengl3"]:
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env.Append(CPPDEFINES=["GLES3_ENABLED"])
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env.Append(LIBS=["GLESv3"])
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