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 benchmark
  15 from telemetry.page import page_set
  16 from telemetry.page import page_test
  17 from telemetry.value import scalar
  18
  19
  20 class _CanvasMarkMeasurement(page_test.PageTest):
  21
  22   def WillNavigateToPage(self, page, tab):
  23     page.script_to_evaluate_on_commit = """
  24         var __results = [];
  25         var __real_log = window.console.log;
  26         window.console.log = function(msg) {
  27           __results.push(msg);
  28           __real_log.apply(this, [msg]);
  29         }
  30         """
  31
  32   def ValidateAndMeasurePage(self, _, tab, results):
  33     tab.WaitForJavaScriptExpression('__results.length == 8', 300)
  34     results_log = tab.EvaluateJavaScript('__results')
  35     total = 0
  36     for output in results_log:
  37       # Split the results into score and test name.
  38       # results log e.g., "489 [Test 1 - Asteroids - Bitmaps]"
  39       score_and_name = output.split(' [', 2)
  40       assert len(score_and_name) == 2, \
  41         'Unexpected result format "%s"' % score_and_name
  42       score = int(score_and_name[0])
  43       name = score_and_name[1][:-1]
  44       results.AddValue(scalar.ScalarValue(
  45           results.current_page, name, 'score', score, important=False))
  46       # Aggregate total score for all tests.
  47       total += score
  48     results.AddValue(scalar.ScalarValue(
  49         results.current_page, 'Score', 'score', total))
  50
  51
  52 @benchmark.Disabled
  53 class CanvasMark(benchmark.Benchmark):
  54   test = _CanvasMarkMeasurement
  55
  56   def CreatePageSet(self, options):
  57     ps = page_set.PageSet(
  58       file_path=os.path.abspath(__file__),
  59       archive_data_file='../page_sets/data/canvasmark.json',
  60       make_javascript_deterministic=False)
  61     ps.AddPageWithDefaultRunNavigate(
  62       'http://www.kevs3d.co.uk/dev/canvasmark/?auto=true')
  63     return ps