From 59cce10ae1bd3287af84cb4a743eff16d757902f Mon Sep 17 00:00:00 2001
From: Joel Linn <jl@conductive.de>
Date: Mon, 27 Dec 2021 21:36:58 +0100
Subject: [PATCH] [CI, Drone] Add Android NDK builds

---
 .drone.star | 168 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 168 insertions(+)

diff --git a/.drone.star b/.drone.star
index 840008295..09d933902 100644
--- a/.drone.star
+++ b/.drone.star
@@ -3,6 +3,8 @@ def main(ctx):
         pipeline_lint(),
         pipeline_linux_desktop('x86_64-linux-clang', image_linux_x86_64(), 'amd64', 'clang'),
         pipeline_linux_desktop('x86_64-linux-gcc', image_linux_x86_64(), 'amd64', 'gcc'),
+        pipeline_android('x86_64-android', image_linux_x86_64(), 'amd64', 'Android-x86_64'),
+        pipeline_android('aarch64-android', image_linux_x86_64(), 'amd64', 'Android-ARM64'),
     ]
 
 def image_linux_x86_64():
@@ -18,6 +20,72 @@ def command_cc(cc):
     # set CC, CXX, ...
     return 'export $(cat /{}.env | sed \'s/#.*//g\' | xargs)'.format(cc)
 
+def command_ndk_build(platform, configuration, target):
+    return '$ANDROID_NDK_ROOT/build/ndk-build NDK_PROJECT_PATH:=./bin/{configuration} NDK_APPLICATION_MK:=./xenia.Application.mk PREMAKE_ANDROIDNDK_PLATFORMS:={platform} PREMAKE_ANDROIDNDK_CONFIGURATIONS:={configuration} -j$(nproc) {target}'.format(platform=platform, configuration=configuration, target=target)
+
+def targets_android(platform):
+    targets = [
+        'aes_128',
+        'capstone',
+        'dxbc',
+        'discord-rpc',
+        'cxxopts',
+        'cpptoml',
+        'avcodec',
+        'avutil',
+        'fmt',
+        'glslang-spirv',
+        'imgui',
+        'mspack',
+        'snappy',
+        'spirv-tools',
+        'xxhash',
+        # 'xenia-core',
+        # 'xenia-app-discord',
+        # 'xenia-apu',
+        # 'xenia-apu-nop',
+        'xenia-base',
+        'xenia-base-tests',
+        # 'xenia-cpu',
+        # 'xenia-cpu-tests',
+        # 'xenia-cpu-ppc-tests',
+        # 'xenia-cpu-backend-x64',
+        # 'xenia-debug-ui',
+        # 'xenia-gpu',
+        # 'xenia-gpu-shader-compiler',
+        # 'xenia-gpu-null',
+        # 'xenia-gpu-vulkan',
+        # 'xenia-gpu-vulkan-trace-viewer',
+        # 'xenia-gpu-vulkan-trace-dump',
+        'xenia-hid',
+        # 'xenia-hid-demo',
+        'xenia-hid-nop',
+        # 'xenia-kernel',
+        'xenia-ui',
+        'xenia-ui-spirv',
+        # 'xenia-ui-vulkan',
+        # 'xenia-ui-window-vulkan-demo',
+        'xenia-vfs',
+        'xenia-vfs-dump',
+    ]
+    if platform == 'Android-x86_64':
+        targets.extend([
+            'xenia-core',
+            'xenia-apu',
+            'xenia-apu-nop',
+            'xenia-cpu',
+            'xenia-cpu-tests',
+            'xenia-cpu-ppc-tests',
+            'xenia-cpu-backend-x64',
+            'xenia-debug-ui',
+            'xenia-gpu',
+            'xenia-gpu-null',
+            'xenia-gpu-vulkan',
+            'xenia-gpu-shader-compiler',
+            'xenia-kernel',
+        ])
+    return targets
+
 # Run lint in a separate pipeline so that it will try building even if lint fails
 def pipeline_lint():
     return {
@@ -252,3 +320,103 @@ def pipeline_linux_desktop(name, image, arch, cc):
             },
         ],
     }
+
+
+def pipeline_android(name, image, arch, platform):
+    return {
+        'kind': 'pipeline',
+        'type': 'docker',
+        'name': name,
+        'platform': {
+            'os': 'linux',
+            'arch': arch,
+        },
+
+        'steps': [
+            #
+            # Setup the source tree
+            #
+            {
+                'name': 'clone-submodules',
+                  'image': image,
+                  'commands': [
+                      'pwd',
+                      # May miss recursive submodules (but faster than xb setup)
+                      'git submodule update --init --depth 1 -j $(nproc)',
+                  ],
+              },
+
+
+            #
+            # Build premake and generate NDK makefiles
+            #
+
+            # NDK Makefiles
+            {
+                'name': 'toolchain',
+                'image': image,
+                'commands': [
+                    'c++ --version',
+                    'python3 --version',
+                    './xenia-build premake --target_os android',
+              ],
+              'depends_on': ['clone-submodules'],
+            },
+
+
+            #
+            # Building
+            #
+            {
+                'name': 'build-debug',
+                'image': image,
+                'commands': [
+                    'cd build',
+                    command_ndk_build(platform, 'Debug', ' '.join(targets_android(platform))),
+                ],
+                'depends_on': ['toolchain'],
+            },
+
+            {
+                'name': 'build-release',
+                'image': image,
+                'commands': [
+                    'cd build',
+                    command_ndk_build(platform, 'Release', ' '.join(targets_android(platform))),
+                ],
+                'depends_on': ['toolchain'],
+            },
+
+
+            #
+            # Stat
+            #
+            {
+                'name': 'stat',
+                'image': image,
+                'commands': [
+                    '''
+                    header() {
+                        SEP='============================================================'
+                        echo
+                        echo $SEP
+                        echo $@
+                        echo $SEP
+                    }
+
+                    for c in Debug Release
+                    do
+                        header $c
+                        p=build/bin/$c/obj/local/*
+                        ls -la $p
+                        sha256sum $p/* || true
+                    done
+                    '''
+                ],
+                'depends_on': [
+                  'build-debug',
+                  'build-release',
+                ],
+            },
+        ],
+    }