src/tools/perf/measurements/skpicture_printer.py

   1 # Copyright (c) 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 os
   5
   6 from telemetry.page import page_measurement
   7
   8
   9 _JS = 'chrome.gpuBenchmarking.printToSkPicture("{0}");'
  10
  11
  12 class SkpicturePrinter(page_measurement.PageMeasurement):
  13   def AddCommandLineOptions(self, parser):
  14     parser.add_option('-s', '--skp-outdir',
  15                       help='Output directory for the SKP files')
  16
  17   def CustomizeBrowserOptions(self, options):
  18     options.AppendExtraBrowserArgs(['--enable-gpu-benchmarking',
  19                                     '--no-sandbox',
  20                                     '--enable-deferred-image-decoding',
  21                                     '--force-compositing-mode'])
  22
  23   def MeasurePage(self, page, tab, results):
  24     skp_outdir = self.options.skp_outdir
  25     if not skp_outdir:
  26       raise Exception('Please specify --skp-outdir')
  27     outpath = os.path.abspath(
  28         os.path.join(skp_outdir,
  29                      page.file_safe_name))
  30     # Replace win32 path separator char '\' with '\\'.
  31     js = _JS.format(outpath.replace('\\', '\\\\'))
  32     tab.EvaluateJavaScript(js)
  33     results.Add('output_path', 'path', outpath)