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 """Scirra WebGL and Canvas2D rendering benchmark suite. 6 7 The Scirra WebGL performance test measures the number of 2D triangles 8 represented onscreen when the animation reaches the 30 FPS threshold. 9 """ 10 11 import os 12 13 from telemetry import test 14 from telemetry.page import page_measurement 15 from telemetry.page import page_set 16 17 18 class ScirraMeasurement(page_measurement.PageMeasurement): 19 20 def WillNavigateToPage(self, page, tab): 21 page.script_to_evaluate_on_commit = 'window.sprites = 0;' 22 23 def MeasurePage(self, _, tab, results): 24 object_count = '$objectcount$' 25 fps = '$fps$' 26 tickcount = '$tickcount$' 27 # For http://www.scirra.com/labs/renderperf3/, JavaScript generated by 28 # Construct 2 has different variables for Objects, fps and tickcount. 29 if 'renderperf3' in tab.url: 30 object_count = '$d' 31 fps = 'Rb' 32 tickcount = 'Ff' 33 34 # Updates object count variable, when the FPS reaches 30 threshold and 35 # tickcounts to reach value greater than 500(just to stablize frames). 36 js_is_done = """ 37 var IsTestDone = function() { 38 if (window.cr_getC2Runtime().%(tickcount)s > 500 && 39 window.cr_getC2Runtime().%(fps)s == 30) { 40 window.sprites = window.cr_getC2Runtime().%(object_count)s; 41 return true; 42 } else { 43 return false; 44 } 45 }; 46 IsTestDone(); 47 """ % {'tickcount': tickcount, 'fps': fps, 'object_count': object_count} 48 tab.WaitForJavaScriptExpression(js_is_done, 300) 49 total = int(tab.EvaluateJavaScript('window.sprites')) 50 results.Add('Count', 'count', total) 51 52 53 class ScirraBenchmark(test.Test): 54 """WebGL and Canvas2D rendering benchmark suite.""" 55 test = ScirraMeasurement 56 def CreatePageSet(self, options): 57 return page_set.PageSet.FromDict({ 58 'archive_data_file': '../page_sets/data/scirra.json', 59 'make_javascript_deterministic': False, 60 'pages': [ 61 { 'url': 'http://www.scirra.com/labs/renderperf3/'}, 62 { 'url': 'http://www.scirra.com/demos/c2/renderperfgl/'}, 63 { 'url': 'http://www.scirra.com/demos/c2/renderperf2d/'} 64 ] 65 }, os.path.abspath(__file__)) 66 67
