1 #!/usr/bin/python 2 3 # Copyright 2014 Google Inc. 4 # 5 # Use of this source code is governed by a BSD-style license that can be 6 # found in the LICENSE file. 7 8 """ 9 Script for generating the Android framework's version of Skia from gyp 10 files. 11 """ 12 13 import os 14 import shutil 15 import sys 16 import tempfile 17 18 # Find the top of trunk 19 SCRIPT_DIR = os.path.abspath(os.path.dirname(__file__)) 20 SKIA_DIR = os.path.normpath(os.path.join(SCRIPT_DIR, os.pardir, os.pardir, 21 os.pardir)) 22 23 # Find the directory with our helper files, and add it to the path. 24 ANDROID_TOOLS = os.path.join(SKIA_DIR, 'platform_tools', 'android') 25 sys.path.append(ANDROID_TOOLS) 26 27 import gyp_gen.android_framework_gyp as android_framework_gyp 28 import gyp_gen.gypd_parser as gypd_parser 29 import gyp_gen.generate_user_config as generate_user_config 30 import gyp_gen.makefile_writer as makefile_writer 31 import gyp_gen.tool_makefile_writer as tool_makefile_writer 32 import gyp_gen.vars_dict_lib as vars_dict_lib 33 34 # Folder containing all gyp files and generated gypd files. 35 GYP_FOLDER = 'gyp' 36 37 38 def generate_var_dict(target_dir, target_file, skia_arch_type, have_neon): 39 """Create a VarsDict for a particular arch type. 40 41 Each paramater is passed directly to android_framework_gyp.main(). 42 43 Args: 44 target_dir: Directory containing gyp files. 45 target_file: Target gyp file. 46 skia_arch_type: Target architecture. 47 have_neon: Whether the target should build for neon. 48 Returns: 49 A VarsDict containing the variable definitions determined by gyp. 50 """ 51 result_file = android_framework_gyp.main(target_dir, target_file, 52 skia_arch_type, have_neon) 53 var_dict = vars_dict_lib.VarsDict() 54 gypd_parser.parse_gypd(var_dict, result_file, '.') 55 android_framework_gyp.clean_gypd_files(target_dir) 56 print '.', 57 return var_dict 58 59 def main(target_dir=None, require_sk_user_config=False): 60 """Create Android.mk for the Android framework's external/skia. 61 62 Builds Android.mk using Skia's gyp files. 63 64 Args: 65 target_dir: Directory in which to place 'Android.mk'. If None, the file 66 will be placed in skia's root directory. 67 require_sk_user_config: If True, raise an AssertionError if 68 SkUserConfig.h does not exist. 69 """ 70 # Create a temporary folder to hold gyp and gypd files. Create it in SKIA_DIR 71 # so that it is a sibling of gyp/, so the relationships between gyp files and 72 # other files (e.g. platform_tools/android/gyp/dependencies.gypi, referenced 73 # by android_deps.gyp as a relative path) is unchanged. 74 # Use mkdtemp to find an unused folder name, but then delete it so copytree 75 # can be called with a non-existent directory. 76 tmp_folder = tempfile.mkdtemp(dir=SKIA_DIR) 77 os.rmdir(tmp_folder) 78 shutil.copytree(os.path.join(SKIA_DIR, GYP_FOLDER), tmp_folder) 79 80 try: 81 main_gyp_file = 'android_framework_lib.gyp' 82 83 print 'Creating Android.mk', 84 85 # Generate a separate VarsDict for each architecture type. For each 86 # archtype: 87 # 1. call android_framework_gyp.main() to generate gypd files 88 # 2. call parse_gypd to read those gypd files into the VarsDict 89 # 3. delete the gypd files 90 # 91 # Once we have the VarsDict for each architecture type, we combine them all 92 # into a single Android.mk file, which can build targets of any 93 # architecture type. 94 95 # The default uses a non-existant archtype, to find all the general 96 # variable definitions. 97 default_var_dict = generate_var_dict(tmp_folder, main_gyp_file, 'other', 98 False) 99 arm_var_dict = generate_var_dict(tmp_folder, main_gyp_file, 'arm', False) 100 arm_neon_var_dict = generate_var_dict(tmp_folder, main_gyp_file, 'arm', 101 True) 102 x86_var_dict = generate_var_dict(tmp_folder, main_gyp_file, 'x86', False) 103 104 mips_var_dict = generate_var_dict(tmp_folder, main_gyp_file, 'mips', False) 105 106 mips64_var_dict = generate_var_dict(tmp_folder, main_gyp_file, 'mips64', 107 False) 108 109 arm64_var_dict = generate_var_dict(tmp_folder, main_gyp_file, 'arm64', 110 False) 111 112 # Compute the intersection of all targets. All the files in the intersection 113 # should be part of the makefile always. Each dict will now contain trimmed 114 # lists containing only variable definitions specific to that configuration. 115 var_dict_list = [default_var_dict, arm_var_dict, arm_neon_var_dict, 116 x86_var_dict, mips_var_dict, mips64_var_dict, 117 arm64_var_dict] 118 common = vars_dict_lib.intersect(var_dict_list) 119 120 common.LOCAL_MODULE.add('libskia') 121 122 # Create SkUserConfig 123 user_config = os.path.join(SKIA_DIR, 'include', 'config', 'SkUserConfig.h') 124 if target_dir: 125 dst_dir = target_dir 126 else: 127 dst_dir = os.path.join(SKIA_DIR, 'include', 'core') 128 129 generate_user_config.generate_user_config( 130 original_sk_user_config=user_config, 131 require_sk_user_config=require_sk_user_config, target_dir=dst_dir, 132 defines=common.DEFINES) 133 134 tool_makefile_writer.generate_tool(gyp_dir=tmp_folder, 135 target_file='bench.gyp', 136 skia_trunk=target_dir, 137 dest_dir='bench', 138 skia_lib_var_dict=common, 139 local_module_name='skia_nanobench', 140 local_module_tags=['tests'], 141 desired_targets=['nanobench']) 142 143 tool_makefile_writer.generate_tool(gyp_dir=tmp_folder, 144 target_file='gm.gyp', 145 skia_trunk=target_dir, 146 dest_dir='gm', 147 skia_lib_var_dict=common, 148 local_module_name='skia_gm', 149 local_module_tags=['tests'], 150 desired_targets=['gm']) 151 152 tool_makefile_writer.generate_tool(gyp_dir=tmp_folder, 153 target_file='dm.gyp', 154 skia_trunk=target_dir, 155 dest_dir='dm', 156 skia_lib_var_dict=common, 157 local_module_name='skia_dm', 158 local_module_tags=['tests'], 159 desired_targets=['dm']) 160 161 # Now that the defines have been written to SkUserConfig and they've been 162 # used to skip adding them to the tools makefiles, they are not needed in 163 # Android.mk. Reset DEFINES. 164 common.DEFINES.reset() 165 166 # Further trim arm_neon_var_dict with arm_var_dict. After this call, 167 # arm_var_dict (which will now be the intersection) includes all definitions 168 # used by both arm and arm + neon, and arm_neon_var_dict will only contain 169 # those specific to arm + neon. 170 arm_var_dict = vars_dict_lib.intersect([arm_var_dict, arm_neon_var_dict]) 171 172 # Now create a list of VarsDictData holding everything but common. 173 deviations_from_common = [] 174 deviations_from_common.append(makefile_writer.VarsDictData( 175 arm_var_dict, 'arm')) 176 deviations_from_common.append(makefile_writer.VarsDictData( 177 arm_neon_var_dict, 'arm', 'ARCH_ARM_HAVE_NEON')) 178 deviations_from_common.append(makefile_writer.VarsDictData(x86_var_dict, 179 'x86')) 180 # Currently, x86_64 is identical to x86 181 deviations_from_common.append(makefile_writer.VarsDictData(x86_var_dict, 182 'x86_64')) 183 184 deviations_from_common.append(makefile_writer.VarsDictData(mips_var_dict, 185 'mips')) 186 187 deviations_from_common.append(makefile_writer.VarsDictData(mips64_var_dict, 188 'mips64')) 189 190 deviations_from_common.append(makefile_writer.VarsDictData(arm64_var_dict, 191 'arm64')) 192 193 makefile_writer.write_android_mk(target_dir=target_dir, 194 common=common, deviations_from_common=deviations_from_common) 195 196 finally: 197 shutil.rmtree(tmp_folder) 198 199 if __name__ == '__main__': 200 main() 201
