Enable SwiftShader fallback on desktop Linux.

content/test/gpu/gpu_tests/gpu_process_integration_test.py

 # Copyright 2017 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 logging
 import os
 import sys
 
 from gpu_tests import gpu_integration_test
 from gpu_tests import gpu_process_expectations
@@ skipping 451 matching lines @@
     self._NavigateAndWait(test_path)
     if self.tab.EvaluateJavaScript('chrome.gpuBenchmarking.hasGpuProcess()'):
       self.fail('GPU process detected')
 
   def _GpuProcess_identify_active_gpu1(self, test_path):
     self.RestartBrowserIfNecessaryWithArgs([
       '--gpu-testing-vendor-id=0x8086',
       '--gpu-testing-device-id=0x040a',
       '--gpu-testing-secondary-vendor-ids=0x10de',
       '--gpu-testing-secondary-device-ids=0x0de1',
-      '--gpu-testing-gl-vendor=nouveau'])
+      '--gpu-testing-gl-vendor=nouveau',
+      '--disable-software-rasterizer'])
     self._Navigate(test_path)
     self._VerifyActiveAndInactiveGPUs(
       ['VENDOR = 0x10de, DEVICE= 0x0de1 *ACTIVE*'],
       ['VENDOR = 0x8086, DEVICE= 0x040a'])
 
   def _GpuProcess_identify_active_gpu2(self, test_path):
     self.RestartBrowserIfNecessaryWithArgs([
       '--gpu-testing-vendor-id=0x8086',
       '--gpu-testing-device-id=0x040a',
       '--gpu-testing-secondary-vendor-ids=0x10de',
       '--gpu-testing-secondary-device-ids=0x0de1',
-      '--gpu-testing-gl-vendor=Intel'])
+      '--gpu-testing-gl-vendor=Intel',
+      '--disable-software-rasterizer'])
     self._Navigate(test_path)
     self._VerifyActiveAndInactiveGPUs(
       ['VENDOR = 0x8086, DEVICE= 0x040a *ACTIVE*'],
       ['VENDOR = 0x10de, DEVICE= 0x0de1'])
 
   def _GpuProcess_identify_active_gpu3(self, test_path):
     self.RestartBrowserIfNecessaryWithArgs([
       '--gpu-testing-vendor-id=0x8086',
       '--gpu-testing-device-id=0x040a',
       '--gpu-testing-secondary-vendor-ids=0x10de;0x1002',
       '--gpu-testing-secondary-device-ids=0x0de1;0x6779',
       '--gpu-testing-gl-vendor=X.Org',
-      '--gpu-testing-gl-renderer=AMD R600'])
+      '--gpu-testing-gl-renderer=AMD R600',
+      '--disable-software-rasterizer'])
     self._Navigate(test_path)
     self._VerifyActiveAndInactiveGPUs(
       ['VENDOR = 0x1002, DEVICE= 0x6779 *ACTIVE*'],
       ['VENDOR = 0x8086, DEVICE= 0x040a',
        'VENDOR = 0x10de, DEVICE= 0x0de1'])
 
   def _GpuProcess_identify_active_gpu4(self, test_path):
     self.RestartBrowserIfNecessaryWithArgs([
       '--gpu-testing-vendor-id=0x10de',
       '--gpu-testing-device-id=0x0de1',
       '--gpu-testing-secondary-vendor-ids=',
       '--gpu-testing-secondary-device-ids=',
-      '--gpu-testing-gl-vendor=nouveau'])
+      '--gpu-testing-gl-vendor=nouveau',
+      '--disable-software-rasterizer'])
     self._Navigate(test_path)
     self._VerifyActiveAndInactiveGPUs(
       ['VENDOR = 0x10de, DEVICE= 0x0de1 *ACTIVE*'],
       [])
 
   def _GpuProcess_disabling_workarounds_works(self, test_path):
     # Hit exception from id 215 from kGpuDriverBugListJson.
     self.RestartBrowserIfNecessaryWithArgs([
       '--gpu-testing-vendor-id=0xbad9',
       '--gpu-testing-device-id=0xbad9',
@@ skipping 33 matching lines @@
     gpu = self.browser.GetSystemInfo().gpu
     if not gpu:
       self.fail('Target machine must have a GPU')
     if not gpu.aux_attributes:
       self.fail('Browser must support GPU aux attributes')
     if not gpu.aux_attributes['software_rendering']:
       self.fail("Software rendering was disabled")
     device = gpu.devices[0]
     if not device:
       self.fail("System Info doesn't have a device")
-    if device.vendor_id != 0:
-      self.fail("Wrong vendor ID. Expected 0, got " + hex(device.vendor_id))
-    if device.device_id != 0:
-      self.fail("Wrong device ID. Expected 0, got " + hex(device.device_id))
 
 def load_tests(loader, tests, pattern):
   del loader, tests, pattern  # Unused.
   return gpu_integration_test.LoadAllTestsInModule(sys.modules[__name__])