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"""Code for generating Android.mk for a tool."""
9
10
11import android_framework_gyp
12import gypd_parser
13import makefile_writer
14import os
15import vars_dict_lib
16
17SKIA_RESOURCES = (
18"""
19# Store skia's resources in the directory structure that the Android testing
20# infrastructure expects.  This requires that Skia maintain a symlinked
21# subdirectory in the DATA folder that points to the top level skia resources...
22#  i.e. external/skia/DATA/skia_resources --> ../resources
23LOCAL_PICKUP_FILES := $(LOCAL_PATH)/../DATA
24"""
25)
26
27def write_tool_android_mk(target_dir, var_dict):
28  """Write Android.mk for a Skia tool.
29
30  Args:
31    target_dir: Destination for the makefile. Must not be None.
32    var_dict: VarsDict containing variables for the makefile.
33  """
34  target_file = os.path.join(target_dir, 'Android.mk')
35  with open(target_file, 'w') as f:
36    f.write(makefile_writer.AUTOGEN_WARNING)
37
38    f.write(makefile_writer.LOCAL_PATH)
39    f.write(makefile_writer.CLEAR_VARS)
40
41    makefile_writer.write_local_vars(f, var_dict, False, None)
42
43    f.write(SKIA_RESOURCES)
44    f.write('include $(LOCAL_PATH)/../skia_static_deps.mk\n')
45    if 'libhwui_static' in var_dict['LOCAL_STATIC_LIBRARIES']:
46      f.write('include frameworks/base/libs/hwui/hwui_static_deps.mk\n')
47    f.write('include $(BUILD_NATIVE_TEST)\n')
48
49
50def generate_tool(gyp_dir, target_file, skia_trunk, dest_dir,
51                  skia_lib_var_dict, local_module_name, local_module_tags,
52                  desired_targets, gyp_source_dir=None):
53  """Common steps for building one of the skia tools.
54
55  Parse a gyp file and create an Android.mk for this tool.
56
57  Args:
58    gyp_dir: Directory containing gyp files.
59    target_file: gyp file for the project to be built, contained in gyp_dir.
60    skia_trunk: Trunk of Skia, used for determining the destination to write
61      'Android.mk'.
62    dest_dir: Destination for 'Android.mk', relative to skia_trunk. Used for
63      both writing relative paths in the makefile and for determining the
64      destination to write the it.
65    skia_lib_var_dict: VarsDict representing libskia. Used as a reference to
66      ensure we do not duplicate anything in this Android.mk.
67    local_module_name: Name for this tool, to set as LOCAL_MODULE.
68    local_module_tags: Tags to pass to LOCAL_MODULE_TAG.
69    desired_targets: List of targets to parse.
70    gyp_source_dir: Source directory for gyp.
71  """
72  result_file = android_framework_gyp.main(target_dir=gyp_dir,
73                                           target_file=target_file,
74                                           skia_arch_type='other',
75                                           have_neon=False,
76                                           gyp_source_dir=gyp_source_dir)
77
78  var_dict = vars_dict_lib.VarsDict()
79
80  # Add known targets from skia_lib, so we do not reparse them.
81  var_dict.KNOWN_TARGETS.set(skia_lib_var_dict.KNOWN_TARGETS)
82
83  gypd_parser.parse_gypd(var_dict, result_file, dest_dir, desired_targets)
84
85  android_framework_gyp.clean_gypd_files(gyp_dir)
86
87  var_dict.LOCAL_MODULE.add(local_module_name)
88  for tag in local_module_tags:
89    var_dict.LOCAL_MODULE_TAGS.add(tag)
90
91  # No need for defines that are already in skia_lib.
92  for define in skia_lib_var_dict.DEFINES:
93    try:
94      var_dict.DEFINES.remove(define)
95    except ValueError:
96      # Okay if the define was not part of the parse for our tool.
97      pass
98
99  if skia_trunk:
100    full_dest = os.path.join(skia_trunk, dest_dir)
101  else:
102    full_dest = dest_dir
103
104  # If the path does not exist, create it. This will happen during testing,
105  # where there is no subdirectory for each tool (just a temporary folder).
106  if not os.path.exists(full_dest):
107    os.mkdir(full_dest)
108
109  write_tool_android_mk(target_dir=full_dest, var_dict=var_dict)
110