From 370974f173e075c8849c1c2c33c551fc7d02d9a6 Mon Sep 17 00:00:00 2001
From: ZIXT233 <zixt233@gmail.com>
Date: Mon, 9 May 2022 08:50:56 +0800
Subject: [PATCH] Add build support for Windows on ARM64 (based on llvm-mingw)

---
 app/meson.build                               | 18 +++++---
 app/prebuilt-deps/prepare-ffmpeg-win-arm64.sh | 36 ++++++++++++++++
 app/prebuilt-deps/prepare-libusb-win-arm64.sh | 32 ++++++++++++++
 app/prebuilt-deps/prepare-sdl-win-arm64.sh    | 30 +++++++++++++
 cross_win_arm64.txt                           | 25 +++++++++++
 release.mk                                    | 43 +++++++++++++++++++
 6 files changed, 179 insertions(+), 5 deletions(-)
 create mode 100755 app/prebuilt-deps/prepare-ffmpeg-win-arm64.sh
 create mode 100755 app/prebuilt-deps/prepare-libusb-win-arm64.sh
 create mode 100755 app/prebuilt-deps/prepare-sdl-win-arm64.sh
 create mode 100644 cross_win_arm64.txt

diff --git a/app/meson.build b/app/meson.build
index f5d76c61..05678c96 100644
--- a/app/meson.build
+++ b/app/meson.build
@@ -145,13 +145,21 @@ else
     prebuilt_libusb_root = meson.get_cross_property('prebuilt_libusb_root')
     libusb_bin_dir = meson.current_source_dir() + '/prebuilt-deps/data/' + prebuilt_libusb
     libusb_include_dir = 'prebuilt-deps/data/' + prebuilt_libusb_root + '/include'
-
-    libusb = declare_dependency(
-        dependencies: [
-            cc.find_library('msys-usb-1.0', dirs: libusb_bin_dir),
+    if host_machine.cpu_family() == 'x86'
+      libusb = declare_dependency(
+	dependencies: [
+	  cc.find_library('msys-usb-1.0', dirs: libusb_bin_dir),
         ],
         include_directories: include_directories(libusb_include_dir)
-    )
+      )
+    elif host_machine.cpu_family() == 'aarch64'
+      libusb = declare_dependency(
+	dependencies: [
+	  cc.find_library('libusb-1.0', dirs: libusb_bin_dir),
+        ],
+        include_directories: include_directories(libusb_include_dir)
+      )
+    endif
 
     dependencies = [
         ffmpeg,
diff --git a/app/prebuilt-deps/prepare-ffmpeg-win-arm64.sh b/app/prebuilt-deps/prepare-ffmpeg-win-arm64.sh
new file mode 100755
index 00000000..521b0049
--- /dev/null
+++ b/app/prebuilt-deps/prepare-ffmpeg-win-arm64.sh
@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+set -e
+DIR=$(dirname ${BASH_SOURCE[0]})
+cd "$DIR"
+. common
+mkdir -p "$PREBUILT_DATA_DIR"
+cd "$PREBUILT_DATA_DIR"
+
+DEP_DIR=ffmpeg-aarch64-4.3.1
+
+FILENAME=ffmpeg-4.3.1-windows-aarch64.7z
+SHA256SUM=8dd5ed9692f36c2f012a64903b8b2baec6581973d0d4dad872d1a476bcf5018b 
+
+if [[ -d "$DEP_DIR" ]]
+then
+    echo "$DEP_DIR" found
+    exit 0
+fi
+
+get_file "https://github.com/ZIXT233/FFmpeg-windows-aarch64-mingw/releases/download/n4.3.1/$FILENAME" \
+    "$FILENAME" "$SHA256SUM"
+
+mkdir "$DEP_DIR"
+cd "$DEP_DIR"
+
+ZIP_PREFIX=ffmpeg-4.3.1-windows-aarch64
+7z x "../$FILENAME" \
+    "$ZIP_PREFIX"/bin/avutil-56.dll \
+    "$ZIP_PREFIX"/bin/avcodec-58.dll \
+    "$ZIP_PREFIX"/bin/avformat-58.dll \
+    "$ZIP_PREFIX"/bin/swresample-3.dll \
+    "$ZIP_PREFIX"/bin/swscale-5.dll \
+    "$ZIP_PREFIX"/include
+
+mv "$ZIP_PREFIX"/* .
+rmdir "$ZIP_PREFIX"
diff --git a/app/prebuilt-deps/prepare-libusb-win-arm64.sh b/app/prebuilt-deps/prepare-libusb-win-arm64.sh
new file mode 100755
index 00000000..a9644a23
--- /dev/null
+++ b/app/prebuilt-deps/prepare-libusb-win-arm64.sh
@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+set -e
+DIR=$(dirname ${BASH_SOURCE[0]})
+cd "$DIR"
+. common
+mkdir -p "$PREBUILT_DATA_DIR"
+cd "$PREBUILT_DATA_DIR"
+
+DEP_DIR=libusb-1.0.26
+
+FILENAME=libusb-windows-aarch64-mingw.7z
+SHA256SUM=4c83624edc89f95c3500fda3f982f038e7ce996979a8cca0e2e0133d3ef9ef64
+
+if [[ -d "$DEP_DIR" ]]
+then
+    echo "$DEP_DIR" found
+    exit 0
+fi
+
+get_file "https://github.com/ZIXT233/libusb-windows-aarch64-mingw/releases/download/v1.0.26/$FILENAME" "$FILENAME" "$SHA256SUM"
+
+mkdir "$DEP_DIR"
+cd "$DEP_DIR"
+
+# include/ is the same in all folders of the archive
+7z x "../$FILENAME" \
+    libusb-windows-aarch64-mingw/bin/libusb-1.0.dll \
+    libusb-windows-aarch64-mingw/include/
+
+mv libusb-windows-aarch64-mingw/bin MinGW-aarch64
+mv libusb-windows-aarch64-mingw/include .
+rm -rf libusb-windows-aarch64-mingw
diff --git a/app/prebuilt-deps/prepare-sdl-win-arm64.sh b/app/prebuilt-deps/prepare-sdl-win-arm64.sh
new file mode 100755
index 00000000..fc00ce1e
--- /dev/null
+++ b/app/prebuilt-deps/prepare-sdl-win-arm64.sh
@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+set -e
+DIR=$(dirname ${BASH_SOURCE[0]})
+cd "$DIR"
+. common
+mkdir -p "$PREBUILT_DATA_DIR"
+cd "$PREBUILT_DATA_DIR"
+
+DEP_DIR=SDL2-2.0.22
+
+FILENAME=SDL-windows-aarch64-mingw.7z
+SHA256SUM=96a1bd6a0246419ab1e1ae510ba79dfbbfc94c2681f039426a632ffbd4d4b603
+
+if [[ -d "$DEP_DIR" ]]
+then
+    echo "$DEP_DIR" found
+    exit 0
+fi
+
+get_file "https://github.com/ZIXT233/SDL-windows-aarch64-mingw/releases/download/release-2.0.22/$FILENAME" "$FILENAME" "$SHA256SUM"
+
+mkdir "$DEP_DIR"
+cd "$DEP_DIR"
+
+7z x "../$FILENAME" \
+    SDL-windows-aarch64-mingw/bin/SDL2.dll \
+    SDL-windows-aarch64-mingw/include/ \
+    SDL-windows-aarch64-mingw/lib/
+
+mv SDL-windows-aarch64-mingw aarch64-w64-mingw32
diff --git a/cross_win_arm64.txt b/cross_win_arm64.txt
new file mode 100644
index 00000000..47cc6a06
--- /dev/null
+++ b/cross_win_arm64.txt
@@ -0,0 +1,25 @@
+# apt install mingw-w64 mingw-w64-tools
+
+[binaries]
+name = 'mingw'
+c = 'aarch64-w64-mingw32-gcc'
+cpp = 'aarch64-w64-mingw32-g++'
+ar = 'aarch64-w64-mingw32-ar'
+strip = 'aarch64-w64-mingw32-strip'
+pkgconfig = 'aarch64-w64-mingw32-pkg-config'
+windres = 'aarch64-w64-mingw32-windres'
+
+[host_machine]
+system = 'windows'
+cpu_family = 'aarch64'
+cpu = 'aarch64'
+endian = 'little'
+
+[properties]
+ffmpeg_avcodec = 'avcodec-58'
+ffmpeg_avformat = 'avformat-58'
+ffmpeg_avutil = 'avutil-56'
+prebuilt_ffmpeg = 'ffmpeg-aarch64-4.3.1'
+prebuilt_sdl2 = 'SDL2-2.0.22/aarch64-w64-mingw32'
+prebuilt_libusb_root = 'libusb-1.0.26'
+prebuilt_libusb = 'libusb-1.0.26/MinGW-aarch64'
diff --git a/release.mk b/release.mk
index 94a9680e..0dd22f0a 100644
--- a/release.mk
+++ b/release.mk
@@ -23,14 +23,17 @@ TEST_BUILD_DIR := build-test
 SERVER_BUILD_DIR := build-server
 WIN32_BUILD_DIR := build-win32
 WIN64_BUILD_DIR := build-win64
+WIN_ARM64_BUILD_DIR := build-win-arm64
 
 DIST := dist
 WIN32_TARGET_DIR := scrcpy-win32
 WIN64_TARGET_DIR := scrcpy-win64
+WIN_ARM64_TARGET_DIR := scrcpy-win-arm64
 
 VERSION := $(shell git describe --tags --always)
 WIN32_TARGET := $(WIN32_TARGET_DIR)-$(VERSION).zip
 WIN64_TARGET := $(WIN64_TARGET_DIR)-$(VERSION).zip
+WIN_ARM64_TARGET := $(WIN_ARM64_TARGET_DIR)-$(VERSION).zip
 
 RELEASE_DIR := release-$(VERSION)
 
@@ -74,6 +77,12 @@ prepare-deps-win64:
 	@app/prebuilt-deps/prepare-ffmpeg-win64.sh
 	@app/prebuilt-deps/prepare-libusb.sh
 
+prepare-deps-win-arm64:
+	@app/prebuilt-deps/prepare-adb.sh
+	@app/prebuilt-deps/prepare-sdl-win-arm64.sh
+	@app/prebuilt-deps/prepare-ffmpeg-win-arm64.sh
+	@app/prebuilt-deps/prepare-libusb-win-arm64.sh
+
 build-win32: prepare-deps-win32
 	[ -d "$(WIN32_BUILD_DIR)" ] || ( mkdir "$(WIN32_BUILD_DIR)" && \
 		meson "$(WIN32_BUILD_DIR)" \
@@ -92,6 +101,17 @@ build-win64: prepare-deps-win64
 			-Dportable=true )
 	ninja -C "$(WIN64_BUILD_DIR)"
 
+
+build-win-arm64: prepare-deps-win-arm64
+	[ -d "$(WIN_ARM64_BUILD_DIR)" ] || ( mkdir "$(WIN_ARM64_BUILD_DIR)" && \
+		meson "$(WIN_ARM64_BUILD_DIR)" \
+		--cross-file cross_win_arm64.txt \
+		--buildtype release --strip -Db_lto=true \
+		-Dcompile_server=false \
+		-Dportable=true )
+	sed -i 's/-Wl,--allow-shlib-undefined//g' "$(WIN_ARM64_BUILD_DIR)/build.ninja"
+	ninja -C "$(WIN_ARM64_BUILD_DIR)"
+
 dist-win32: build-server build-win32
 	mkdir -p "$(DIST)/$(WIN32_TARGET_DIR)"
 	cp "$(SERVER_BUILD_DIR)"/server/scrcpy-server "$(DIST)/$(WIN32_TARGET_DIR)/"
@@ -130,6 +150,25 @@ dist-win64: build-server build-win64
 	cp app/prebuilt-deps/data/SDL2-2.0.22/x86_64-w64-mingw32/bin/SDL2.dll "$(DIST)/$(WIN64_TARGET_DIR)/"
 	cp app/prebuilt-deps/data/libusb-1.0.26/MinGW-x64/msys-usb-1.0.dll "$(DIST)/$(WIN64_TARGET_DIR)/"
 
+dist-win-arm64: build-server build-win-arm64
+	mkdir -p "$(DIST)/$(WIN_ARM64_TARGET_DIR)"
+	cp "$(SERVER_BUILD_DIR)"/server/scrcpy-server "$(DIST)/$(WIN_ARM64_TARGET_DIR)/"
+	cp "$(WIN_ARM64_BUILD_DIR)"/app/scrcpy.exe "$(DIST)/$(WIN_ARM64_TARGET_DIR)/"
+	cp app/data/scrcpy-console.bat "$(DIST)/$(WIN_ARM64_TARGET_DIR)"
+	cp app/data/scrcpy-noconsole.vbs "$(DIST)/$(WIN_ARM64_TARGET_DIR)"
+	cp app/data/icon.png "$(DIST)/$(WIN_ARM64_TARGET_DIR)"
+	cp app/data/open_a_terminal_here.bat "$(DIST)/$(WIN_ARM64_TARGET_DIR)"
+	cp app/prebuilt-deps/data/ffmpeg-aarch64-4.3.1/bin/avutil-56.dll "$(DIST)/$(WIN_ARM64_TARGET_DIR)/"
+	cp app/prebuilt-deps/data/ffmpeg-aarch64-4.3.1/bin/avcodec-58.dll "$(DIST)/$(WIN_ARM64_TARGET_DIR)/"
+	cp app/prebuilt-deps/data/ffmpeg-aarch64-4.3.1/bin/avformat-58.dll "$(DIST)/$(WIN_ARM64_TARGET_DIR)/"
+	cp app/prebuilt-deps/data/ffmpeg-aarch64-4.3.1/bin/swresample-3.dll "$(DIST)/$(WIN_ARM64_TARGET_DIR)/"
+	cp app/prebuilt-deps/data/ffmpeg-aarch64-4.3.1/bin/swscale-5.dll "$(DIST)/$(WIN_ARM64_TARGET_DIR)/"
+	cp app/prebuilt-deps/data/platform-tools-33.0.1/adb.exe "$(DIST)/$(WIN_ARM64_TARGET_DIR)/"
+	cp app/prebuilt-deps/data/platform-tools-33.0.1/AdbWinApi.dll "$(DIST)/$(WIN_ARM64_TARGET_DIR)/"
+	cp app/prebuilt-deps/data/platform-tools-33.0.1/AdbWinUsbApi.dll "$(DIST)/$(WIN_ARM64_TARGET_DIR)/"
+	cp app/prebuilt-deps/data/SDL2-2.0.22/aarch64-w64-mingw32/bin/SDL2.dll "$(DIST)/$(WIN_ARM64_TARGET_DIR)/"
+	cp app/prebuilt-deps/data/libusb-1.0.26/MinGW-aarch64/libusb-1.0.dll "$(DIST)/$(WIN_ARM64_TARGET_DIR)/"
+
 zip-win32: dist-win32
 	cd "$(DIST)/$(WIN32_TARGET_DIR)"; \
 		zip -r "../$(WIN32_TARGET)" .
@@ -137,3 +176,7 @@ zip-win32: dist-win32
 zip-win64: dist-win64
 	cd "$(DIST)/$(WIN64_TARGET_DIR)"; \
 		zip -r "../$(WIN64_TARGET)" .
+
+zip-win-arm64: dist-win-arm64
+	cd "$(DIST)/$(WIN_ARM64_TARGET_DIR)"; \
+		zip -r "../$(WIN_ARM64_TARGET)" .