From de389e2be206136634f7663b8b090dd14bee1a54 Mon Sep 17 00:00:00 2001
From: Chongyun Lee <45286352+licy183@users.noreply.github.com>
Date: Sat, 15 Jul 2023 15:56:28 +0800
Subject: [PATCH] new package: angle-android

---
 x11-packages/angle-android/args.gn.in |  11 ++
 x11-packages/angle-android/build.sh   | 156 ++++++++++++++++++++++++++
 2 files changed, 167 insertions(+)
 create mode 100644 x11-packages/angle-android/args.gn.in
 create mode 100644 x11-packages/angle-android/build.sh

diff --git a/x11-packages/angle-android/args.gn.in b/x11-packages/angle-android/args.gn.in
new file mode 100644
index 0000000000..31ae6f3e40
--- /dev/null
+++ b/x11-packages/angle-android/args.gn.in
@@ -0,0 +1,11 @@
+target_os = "android"
+target_cpu = "@TARGET_OS@"
+is_component_build = false
+is_debug = false
+angle_assert_always_on = true   # Recommended for debugging. Turn off for performance.
+angle_enable_gl = @ENABLE_GL@
+angle_enable_vulkan = @ENABLE_VULKAN@
+android32_ndk_api_level = @TERMUX_PKG_API_LEVEL@
+android64_ndk_api_level = @TERMUX_PKG_API_LEVEL@
+angle_build_tests = false
+angle_use_vulkan_null_display = @USE_VULKAN_NULL@
diff --git a/x11-packages/angle-android/build.sh b/x11-packages/angle-android/build.sh
new file mode 100644
index 0000000000..7f35f101af
--- /dev/null
+++ b/x11-packages/angle-android/build.sh
@@ -0,0 +1,156 @@
+TERMUX_PKG_HOMEPAGE=https://chromium.googlesource.com/angle/angle
+TERMUX_PKG_DESCRIPTION="A conformant OpenGL ES implementation for Windows, Mac, Linux, iOS and Android"
+TERMUX_PKG_LICENSE="BSD 3-Clause, Apache-2.0"
+TERMUX_PKG_MAINTAINER="@termux"
+_COMMIT_DATE=2023.7.11
+_COMMIT=75e647193aeb1a78dad27bd5dc8f0199262800d1
+_COMMIT_POSISION=21474
+TERMUX_PKG_SRCURL=git+https://chromium.googlesource.com/angle/angle
+TERMUX_PKG_VERSION="2.1.$_COMMIT_POSISION-${_COMMIT:0:8}"
+
+TERMUX_PKG_HOSTBUILD=true
+
+termux_step_get_source() {
+	# Check whether we need to get source
+	if [ -f "$TERMUX_PKG_CACHEDIR/.angle-source-fetched" ]; then
+		local _fetched_source_version=$(cat $TERMUX_PKG_CACHEDIR/.angle-source-fetched)
+		if [ "$_fetched_source_version" = "$TERMUX_PKG_VERSION" ]; then
+			echo "[INFO]: Use pre-fetched source (version $_fetched_source_version)."
+			ln -sfr $TERMUX_PKG_CACHEDIR/tmp-checkout/angle $TERMUX_PKG_SRCDIR
+			return
+		fi
+	fi
+
+	# Fetch depot_tools
+	if [ ! -f "$TERMUX_PKG_CACHEDIR/.depot_tools-fetched" ];then
+		git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git $TERMUX_PKG_CACHEDIR/depot_tools
+		touch "$TERMUX_PKG_CACHEDIR/.depot_tools-fetched"
+	fi
+	export PATH="$TERMUX_PKG_CACHEDIR/depot_tools:$PATH"
+	export DEPOT_TOOLS_UPDATE=0
+
+	# Get source
+	rm -rf "$TERMUX_PKG_CACHEDIR/tmp-checkout"
+	mkdir -p "$TERMUX_PKG_CACHEDIR/tmp-checkout"
+	pushd "$TERMUX_PKG_CACHEDIR/tmp-checkout"
+	gclient config --verbose --unmanaged ${TERMUX_PKG_SRCURL#git+}
+	echo "" >> .gclient
+	echo 'target_os = ["android"]' >> .gclient
+	gclient sync --verbose --revision $_COMMIT
+
+	# Check commit posision
+	cd angle
+	local _real_commit_posision="$(git rev-list HEAD --count)"
+	if [ "$_real_commit_posision" != "$_COMMIT_POSISION" ]; then
+		termux_error_exit "Please update commit posision. Expected: $_COMMIT_POSISION, current: $_real_commit_posision."
+	fi
+	popd
+
+	echo "$TERMUX_PKG_VERSION" > "$TERMUX_PKG_CACHEDIR/.angle-source-fetched"
+	ln -sfr $TERMUX_PKG_CACHEDIR/tmp-checkout/angle $TERMUX_PKG_SRCDIR
+}
+
+termux_step_host_build() {
+	cd $TERMUX_PKG_HOSTBUILD_DIR
+
+	termux_setup_ninja
+	export PATH="$TERMUX_PKG_CACHEDIR/depot_tools:$PATH"
+	export DEPOT_TOOLS_UPDATE=0
+
+	local _target_os=
+	if [ "$TERMUX_ARCH" = "aarch64" ] || [ "$TERMUX_ARCH" = "arm" ]; then
+		_target_os="arm64"
+	elif [ "$TERMUX_ARCH" = "x86_64" ] || [ "$TERMUX_ARCH" = "i686" ]; then
+		_target_os="x64"
+	else
+		termux_error_exit "Unsupported arch: $TERMUX_ARCH"
+	fi
+
+	# Build with Android's GL
+	mkdir -p out/android
+	sed -e"s|@TARGET_OS@|$_target_os|g" \
+		-e "s|@ENABLE_GL@|true|g" \
+		-e "s|@ENABLE_VULKAN@|false|g" \
+		-e "s|@USE_VULKAN_NULL@|false|g" \
+		-e "s|@TERMUX_PKG_API_LEVEL@|$TERMUX_PKG_API_LEVEL|g" \
+		$TERMUX_PKG_BUILDER_DIR/args.gn.in > out/android/args.gn
+	pushd $TERMUX_PKG_SRCDIR
+	gn gen $TERMUX_PKG_HOSTBUILD_DIR/out/android --export-compile-commands
+	popd
+	ninja -C out/android
+	mkdir -p build/gl
+	cp out/android/apks/AngleLibraries.apk build/gl/
+	pushd build/gl
+	unzip AngleLibraries.apk
+	popd
+
+	# Build with Android's Vulkan
+	mkdir -p out/android
+	sed -e"s|@TARGET_OS@|$_target_os|g" \
+		-e "s|@ENABLE_GL@|false|g" \
+		-e "s|@ENABLE_VULKAN@|true|g" \
+		-e "s|@USE_VULKAN_NULL@|false|g" \
+		-e "s|@TERMUX_PKG_API_LEVEL@|$TERMUX_PKG_API_LEVEL|g" \
+		$TERMUX_PKG_BUILDER_DIR/args.gn.in > out/android/args.gn
+	pushd $TERMUX_PKG_SRCDIR
+	gn gen $TERMUX_PKG_HOSTBUILD_DIR/out/android --export-compile-commands
+	popd
+	ninja -C out/android
+	mkdir -p build/vulkan
+	cp out/android/apks/AngleLibraries.apk build/vulkan/
+	pushd build/vulkan
+	unzip AngleLibraries.apk
+	popd
+
+	# Build with Android's Vulkan null display
+	mkdir -p out/android
+	sed -e "s|@TARGET_OS@|$_target_os|g" \
+		-e "s|@ENABLE_GL@|false|g" \
+		-e "s|@ENABLE_VULKAN@|true|g" \
+		-e "s|@USE_VULKAN_NULL@|true|g" \
+		-e "s|@TERMUX_PKG_API_LEVEL@|$TERMUX_PKG_API_LEVEL|g" \
+		$TERMUX_PKG_BUILDER_DIR/args.gn.in > out/android/args.gn
+	pushd $TERMUX_PKG_SRCDIR
+	gn gen $TERMUX_PKG_HOSTBUILD_DIR/out/android --export-compile-commands
+	popd
+	ninja -C out/android
+	mkdir -p build/vulkan-null
+	cp out/android/apks/AngleLibraries.apk build/vulkan-null/
+	pushd build/vulkan-null
+	unzip AngleLibraries.apk
+	popd
+}
+
+termux_step_configure() {
+	# Remove this marker all the time, as this package is architecture-specific
+	rm -rf $TERMUX_HOSTBUILD_MARKER
+}
+
+termux_step_configure() {
+	:
+}
+
+termux_step_make() {
+	:
+}
+
+termux_step_make_install() {
+	local _lib_dir=
+	if [ "$TERMUX_ARCH" = "arm" ]; then
+		_lib_dir="armeabi-v7a"
+	elif [ "$TERMUX_ARCH" = "i686" ]; then
+		_lib_dir="x86"
+	elif [ "$TERMUX_ARCH" = "x86_64" ]; then
+		_lib_dir="x86_64"
+	elif [ "$TERMUX_ARCH" = "aarch64" ]; then
+		_lib_dir="arm64-v8a"
+	else
+		termux_error_exit "Unsupported arch: $TERMUX_ARCH"
+	fi
+
+	local _type
+	for _type in gl vulkan vulkan-null; do
+		mkdir -p $TERMUX_PREFIX/opt/angle-android/$_type
+		cp -v $TERMUX_PKG_HOSTBUILD_DIR/build/$_type/lib/$_lib_dir/*.so $TERMUX_PREFIX/opt/angle-android/$_type/
+	done
+}