VulkanViewer on Android

tools/build_shaderc.py

 #!/usr/bin/python
 
 # Copyright 2016 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 
 """
 Script to build the shaderc library.
@@ skipping 11 matching lines @@
   parser.add_argument('-s', '--src-dir', required=True, help=
       'path to shaderc source')
   parser.add_argument('-t', '--build-type', required=True, help=
       'Either Release or Debug')
   parser.add_argument('-a', '--arch-type', required=True, help=
       'Either x86 or x86_64')
   parser.add_argument('-o', '--output-dir', required=True, help=
       'Directory for cmake build')
   parser.add_argument('-p', '--project_type', required=True, help=
       'Project type to use. Must be "ninja", "MSVS2013", or "MSVS2015"')
+  parser.add_argument('-c', '--android_toolchain', required=False, help=
+      'Location of standalone android toolchain to use for crosscompiling')
   args = parser.parse_args()
 
   args.src_dir = os.path.abspath(args.src_dir)
   args.output_dir = os.path.abspath(args.output_dir)
 
   if not os.path.isdir(args.src_dir):
     sys.exit(args.src_dir + ' is not a directory.')
 
   if 'Release' in args.build_type:
     args.build_type = "Release"
   elif 'Debug' in args.build_type:
     args.build_type = "Debug"
   else:
     args.exit('Invalid build type: ' + args.build_type);
 
-  if args.arch_type == 'x86':
-    vs_arch = ''
-  elif args.arch_type == 'x86_64':
+  vs_arch = ''
+  if args.arch_type == 'x86_64':
     vs_arch = ' Win64'
-  else:
-    sys.exit('Invalid arch type: ' + args.arch_type);
 
   if args.project_type == 'ninja':
     generator = 'Ninja'
   elif args.project_type == 'MSVS2013':
     generator = 'Visual Studio 12 2013' + vs_arch
   elif args.project_type == "MSVS2015":
     generator = 'Visual Studio 14 2015' + vs_arch
   else:
     sys.exit('Invalid project type: ' + args.project_type);
 
   if os.path.isdir(args.output_dir):
     shutil.rmtree(args.output_dir)
 
   try:
     os.makedirs(args.output_dir)
   except os.error:
     sys.exit('Error creating output dir ' + args.output_dir)
 
   try:
     build_type_arg='-DCMAKE_BUILD_TYPE=' + args.build_type
-    subprocess.check_call(['cmake', '-G', generator,
-        '-DSPIRV_SKIP_EXECUTABLES=ON', '-DSHADERC_ENABLE_SHARED_CRT=ON',
-        args.src_dir, build_type_arg], cwd=args.output_dir)
+    cmake_cmd = ['cmake', '-G', generator,
+                 '-DSPIRV_SKIP_EXECUTABLES=ON',
+                 '-DSHADERC_ENABLE_SHARED_CRT=ON']
+    if args.android_toolchain and args.android_toolchain.strip() :
+      cmake_cmd.append('-DCMAKE_TOOLCHAIN_FILE=' + args.src_dir +\
+                       '/third_party/android-cmake/android.toolchain.cmake')
+      cmake_cmd.append('-DANDROID_TOOLCHAIN_NAME=standalone-clang')
+      cmake_cmd.append('-DANDROID_STANDALONE_TOOLCHAIN=' +\
+                       os.path.abspath(args.android_toolchain))
+    cmake_cmd.extend([build_type_arg, args.src_dir])
+    subprocess.check_call(cmake_cmd, cwd=args.output_dir)
   except subprocess.CalledProcessError as error:
     sys.exit('Error (ret code: {code}) calling "{cmd}" in {dir}'.format(
         code = error.returncode, cmd = error.cmd, dir = args.src_dir))
 
   try:
     subprocess.check_call(['cmake', '--build', args.output_dir, '--config',
         args.build_type], cwd=args.output_dir)
   except subprocess.CalledProcessError as error:
     sys.exit('Error (ret code: {code}) calling "{cmd}" in {dir}'.format(
         code = error.returncode, cmd = error.cmd, dir = args.src_dir))
 
 if __name__ == '__main__':
   main()
-