Add new gpu driver bug workaround DISABLE_TRANSPARENT_VISUALS

content/test/gpu/page_sets/gpu_process_tests.py

 # 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.
 import sys
 from telemetry.story import story_set as story_set_module
 from telemetry.page import page_test
 
 from gpu_tests import gpu_test_base
 
 class GpuProcessSharedPageState(gpu_test_base.GpuSharedPageState):
@@ skipping 504 matching lines @@
 
     diff = set(browser_list).symmetric_difference(set(gpu_list))
     if len(diff) > 0:
       print 'Test failed. Printing page contents:'
       print tab.EvaluateJavaScript('document.body.innerHTML')
       raise page_test.Failure('Browser and GPU process list of driver bug' \
         'workarounds are not equal: %s != %s, diff: %s' % \
         (browser_list, gpu_list, list(diff)))
 
 
+class HasTransparentVisualsShared(GpuProcessSharedPageState):
+  def __init__(self, test, finder_options, story_set):
+    super(HasTransparentVisualsShared, self).__init__(
+      test, finder_options, story_set)
+    options = finder_options.browser_options
+    if sys.platform.startswith('linux'):
+      # Hit id 173 from kGpuDriverBugListJson.
+      options.AppendExtraBrowserArgs('--gpu-testing-gl-version=3.0 Mesa ' \
+                                     '12.1')
+
+class HasTransparentVisualsGpuProcessPage(DriverBugWorkaroundsTestsPage):
+  def __init__(self, story_set, expectations):
+    super(HasTransparentVisualsGpuProcessPage, self).__init__(
+      name='GpuProcess.has_transparent_visuals_gpu_process',
+      page_set=story_set,
+      shared_page_state_class=HasTransparentVisualsShared,
+      expectations=expectations,
+      expected_workaround=None,
+      unexpected_workaround='disable_transparent_visuals')
+
+  def Validate(self, tab, results):
+    if sys.platform.startswith('linux'):
+      super(HasTransparentVisualsGpuProcessPage, self).Validate(tab, results)
+
+
+class NoTransparentVisualsShared(GpuProcessSharedPageState):
+  def __init__(self, test, finder_options, story_set):
+    super(NoTransparentVisualsShared, self).__init__(
+      test, finder_options, story_set)
+    options = finder_options.browser_options
+    if sys.platform.startswith('linux'):
+      options.AppendExtraBrowserArgs('--disable_transparent_visuals=1')
+
+class NoTransparentVisualsGpuProcessPage(DriverBugWorkaroundsTestsPage):
+  def __init__(self, story_set, expectations):
+    super(NoTransparentVisualsGpuProcessPage, self).__init__(
+      name='GpuProcess.no_transparent_visuals_gpu_process',
+      page_set=story_set,
+      shared_page_state_class=NoTransparentVisualsShared,
+      expectations=expectations,
+      expected_workaround='disable_transparent_visuals',
+      unexpected_workaround=None)
+
+  def Validate(self, tab, results):
+    if sys.platform.startswith('linux'):
+      super(NoTransparentVisualsGpuProcessPage, self).Validate(tab, results)
+
+
 class GpuProcessTestsStorySet(story_set_module.StorySet):
 
   """ Tests that accelerated content triggers the creation of a GPU process """
 
   def __init__(self, expectations, is_platform_android):
     super(GpuProcessTestsStorySet, self).__init__(
       serving_dirs=set(['../../../../content/test/data']))
 
     urls_and_names_list = [
       ('file://../../data/gpu/functional_canvas_demo.html',
        'GpuProcess.canvas2d'),
       ('file://../../data/gpu/functional_3d_css.html',
        'GpuProcess.css3d'),
       ('file://../../data/gpu/functional_webgl.html',
        'GpuProcess.webgl')
     ]
 
     for url, name in urls_and_names_list:
       self.AddStory(GpuProcessTestsPage(url, name, self, expectations))
 
     self.AddStory(FunctionalVideoPage(self, expectations))
     self.AddStory(GpuInfoCompletePage(self, expectations))
     self.AddStory(NoGpuProcessPage(self, expectations))
     self.AddStory(SoftwareGpuProcessPage(self, expectations))
-    if not is_platform_android:
-      self.AddStory(SkipGpuProcessPage(self, expectations))
     self.AddStory(DriverBugWorkaroundsInGpuProcessPage(self, expectations))
     self.AddStory(IdentifyActiveGpuPage1(self, expectations))
     self.AddStory(IdentifyActiveGpuPage2(self, expectations))
     self.AddStory(IdentifyActiveGpuPage3(self, expectations))
     self.AddStory(IdentifyActiveGpuPage4(self, expectations))
     self.AddStory(ReadbackWebGLGpuProcessPage(self, expectations))
     self.AddStory(DriverBugWorkaroundsUponGLRendererPage(self, expectations))
     self.AddStory(EqualBugWorkaroundsInBrowserAndGpuProcessPage(self,
                                                                 expectations))
+    if not is_platform_android:
+      self.AddStory(SkipGpuProcessPage(self, expectations))
+      self.AddStory(HasTransparentVisualsGpuProcessPage(self, expectations))
+      self.AddStory(NoTransparentVisualsGpuProcessPage(self, expectations))
 
   @property
   def allow_mixed_story_states(self):
     # Return True here in order to be able to run pages with different browser
     # command line arguments.
     return True