Add build script for skia.

1 files changed, 70 insertions, 9 deletions

diff --git a/tools/build.py b/tools/build.py
index 009b3aad..676959da 100644
--- a/tools/build.py
+++ b/tools/build.py
@@ -9,21 +9,82 @@ parser.add_argument('-a', '--arch', choices=['x86', 'x64'],
                     required=True, help='specify target cpu architecture')
 parser.add_argument('-c', '--config', choices=['Debug', 'Release'],
                     required=True, help='specify build configuration')
+parser.add_argument('--clang-build-skia', action='store_true',
+                    help='whether use clang to build skia')
 args = parser.parse_args()
 
+class ConflictArgumentError(Exception):
+    def __init__(self, message):
+        self.message = message
+
+if args.arch == 'x86' and args.clang_build_skia:
+    raise ConflictArgumentError('clang does not support to build skia in x86')
 
 project_root = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
 os.chdir(project_root)
 
-os.environ['PreferredToolArchitecture'] = 'x64' # use x64 toolchain
+def detect_ninja():
+    try:
+        subprocess.check_call('ninja --version')
+    except:
+        print('No ninja, install ninja.')
+        subprocess.check_call('choco install ninja', stdout=sys.stdout, stderr=sys.stderr)
+
+detect_ninja()
+
+def build_skia():
+    subprocess.check_call('py -2 .\\skia\\tools\\git-sync-deps', stdout=sys.stdout, stderr=sys.stderr)
+
+    gn_args = '''
+    is_debug = {debug}
+
+    skia_enable_ccpr = false
+    skia_enable_discrete_gpu = false
+    skia_enable_gpu = false
+    skia_enable_nvpr = false
+    skia_enable_particles = false
+    skia_enable_pdf = false
+    skia_enable_skottie = false
+    skia_use_dng_sdk = false
+    skia_use_lua = false
+    skia_use_sfntly = false
+    skia_use_xps = false
+    '''.format(debug = 'true' if args.config == 'Debug' else 'false' )
+
+    if args.arch == 'x86':
+        gn_args += 'target_cpu="x86"\n'
+
+    if args.clang_build_skia:
+        gn_args += 'clang_win = "C:/Program Files/LLVM"\n'
+
+    out_dir = '{}_{}'.format(args.config, args.arch)
+    if args.clang_build_skia:
+        out_dir += '_clang'
+
+    os.makedirs("skia/out/{}".format(out_dir), exist_ok=True)
+    gn_arg_file_path = os.path.join(project_root, 'skia/out', out_dir, 'args.gn')
+
+    with open(gn_arg_file_path, 'w+') as f:
+        f.write(gn_args)
+    
+    os.chdir('./skia')
+    subprocess.check_call('.\\bin\\gn.exe gen .\\out\\{}\\'.format(out_dir), stdout=sys.stdout, stderr=sys.stderr)
+    subprocess.check_call('ninja -C .\\out\\{} skia'.format(out_dir))
+
+build_skia()
+
+def build_cru_ui():
+    os.environ['PreferredToolArchitecture'] = 'x64' # use vs x64 toolchain
+
+    generater_vs_arch_map = {
+        'x86': 'Win32',
+        'x64': 'x64'
+    }
 
-generater_vs_arch_map = {
-    'x86': 'Win32',
-    'x64': 'x64'
-}
+    subprocess.run('cmake -S . -B build -G "Visual Studio 15 2017" -A {arch}'.format(arch=generater_vs_arch_map[args.arch]),
+                   stdout=sys.stdout, stderr=sys.stderr)
 
-subprocess.run('cmake -S . -B build -G "Visual Studio 15 2017" -A {arch}'.format(arch=generater_vs_arch_map[args.arch]),
-               stdout=sys.stdout, stderr=sys.stderr)
+    subprocess.run('cmake --build build --target ALL_BUILD --config {config}'.format(config=args.config),
+                   stdout=sys.stdout, stderr=sys.stderr)
 
-subprocess.run('cmake --build build --target ALL_BUILD --config {config}'.format(config=args.config),
-               stdout=sys.stdout, stderr=sys.stderr)
+build_cru_ui()