| # Copyright 2014 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| from telemetry.page import legacy_page_test |
| |
| |
| def Repaint(action_runner, mode='viewport', width=None, height=None): |
| action_runner.WaitForJavaScriptCondition( |
| 'document.readyState == "complete"', timeout=90) |
| # Rasterize only what's visible. |
| action_runner.ExecuteJavaScript( |
| 'chrome.gpuBenchmarking.setRasterizeOnlyVisibleContent();') |
| |
| args = {} |
| args['mode'] = mode |
| if width: |
| args['width'] = width |
| if height: |
| args['height'] = height |
| |
| # Enqueue benchmark |
| action_runner.ExecuteJavaScript(""" |
| window.benchmark_results = {}; |
| window.benchmark_results.id = |
| chrome.gpuBenchmarking.runMicroBenchmark( |
| "invalidation_benchmark", |
| function(value) {}, |
| {{ args }} |
| ); |
| """, |
| args=args) |
| |
| micro_benchmark_id = action_runner.EvaluateJavaScript( |
| 'window.benchmark_results.id') |
| if not micro_benchmark_id: |
| raise legacy_page_test.MeasurementFailure( |
| 'Failed to schedule invalidation_benchmark.') |
| |
| with action_runner.CreateInteraction('Repaint'): |
| action_runner.RepaintContinuously(seconds=5) |
| |
| action_runner.ExecuteJavaScript(""" |
| window.benchmark_results.message_handled = |
| chrome.gpuBenchmarking.sendMessageToMicroBenchmark( |
| {{ micro_benchmark_id }}, { |
| "notify_done": true |
| }); |
| """, |
| micro_benchmark_id=micro_benchmark_id) |
| |
| |
| def WaitThenRepaint(action_runner): |
| action_runner.Wait(2) |
| Repaint(action_runner) |
