src/tools/perf/benchmarks/canvasmark.py

   1 # Copyright 2013 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
   5 """Runs Canvasmark HTML5, Canvas 2D rendering and javascript benchmark.
   6
   7 CanvasMark tests the HTML5 <canvas> rendering performance for commonly used
   8 operations in HTML5 games: bitmaps, canvas drawing, alpha blending, polygon
   9 fills, shadows and text functions.
  10 """
  11
  12 import os
  13
  14 from telemetry import test
  15 from telemetry.page import page_measurement
  16 from telemetry.page import page_set
  17
  18
  19 class _CanvasMarkMeasurement(page_measurement.PageMeasurement):
  20
  21   def WillNavigateToPage(self, page, tab):
  22     page.script_to_evaluate_on_commit = """
  23         var __results = [];
  24         var __real_log = window.console.log;
  25         window.console.log = function(msg) {
  26           __results.push(msg);
  27           __real_log.apply(this, [msg]);
  28         }
  29         """
  30
  31   def MeasurePage(self, _, tab, results):
  32     tab.WaitForJavaScriptExpression('__results.length == 8', 300)
  33     results_log = tab.EvaluateJavaScript('__results')
  34     total = 0
  35     for output in results_log:
  36       # Split the results into score and test name.
  37       # results log e.g., "489 [Test 1 - Asteroids - Bitmaps]"
  38       score_and_name = output.split(' [', 2)
  39       assert len(score_and_name) == 2, \
  40         'Unexpected result format "%s"' % score_and_name
  41       score = int(score_and_name[0])
  42       name = score_and_name[1][:-1]
  43       results.Add(name, 'score', score, data_type='unimportant')
  44       # Aggregate total score for all tests.
  45       total += score
  46     results.Add('Score', 'score', total)
  47
  48
  49 class CanvasMark(test.Test):
  50   test = _CanvasMarkMeasurement
  51
  52   def CreatePageSet(self, options):
  53     ps = page_set.PageSet(
  54       file_path=os.path.abspath(__file__),
  55       archive_data_file='../page_sets/data/canvasmark.json',
  56       make_javascript_deterministic=False)
  57     ps.AddPageWithDefaultRunNavigate(
  58       'http://www.kevs3d.co.uk/dev/canvasmark/?auto=true')
  59     return ps