1 # Copyright 2012 The Chromium Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 import glob 5 import os 6 7 from telemetry.page import page_test 8 from telemetry.value import scalar 9 10 11 _JS = 'chrome.gpuBenchmarking.printToSkPicture("{0}");' 12 13 14 class SkpicturePrinter(page_test.PageTest): 15 @classmethod 16 def AddCommandLineArgs(cls, parser): 17 parser.add_option('-s', '--skp-outdir', 18 help='Output directory for the SKP files') 19 20 @classmethod 21 def ProcessCommandLineArgs(cls, parser, args): 22 if not args.skp_outdir: 23 parser.error('Please specify --skp-outdir') 24 cls._skp_outdir = args.skp_outdir 25 26 def CustomizeBrowserOptions(self, options): 27 options.AppendExtraBrowserArgs(['--enable-gpu-benchmarking', 28 '--no-sandbox', 29 '--enable-deferred-image-decoding']) 30 31 def ValidateAndMeasurePage(self, page, tab, results): 32 if tab.browser.platform.GetOSName() in ['android', 'chromeos']: 33 raise page_test.MeasurementFailure( 34 'SkPicture printing not supported on this platform') 35 36 # Replace win32 path separator char '\' with '\\'. 37 outpath = os.path.abspath( 38 os.path.join(self._skp_outdir, page.file_safe_name)) 39 js = _JS.format(outpath.replace('\\', '\\\\')) 40 tab.EvaluateJavaScript(js) 41 pictures = glob.glob(os.path.join(outpath, '*.skp')) 42 results.AddValue(scalar.ScalarValue( 43 results.current_page, 'saved_picture_count', 'count', len(pictures))) 44