Bug 1503776 - Add marionette-gpu job. r=jmaher

In order to reduce the cost of running marionette tests on a virtual machine
with a GPU, add a marionette-gpu job, and run the WebRender rollout test added
in the previous patch in this new job.

Depends on D10528

Differential Revision: https://phabricator.services.mozilla.com/D12241

--HG--
extra : moz-landing-system : lando

gfx/tests/marionette/manifest.ini

@@ -0,0 +1,5 @@
+[DEFAULT]
+run-if = buildapp == 'browser'
+
+[test_pref_rollout_workaround.py]
+skip-if = os != "win" # Bug 1503776, WebRender is only available on Windows at this stage.

gfx/tests/moz.build

@@ -7,3 +7,4 @@
 MOCHITEST_MANIFESTS += ['mochitest/mochitest.ini']
 BROWSER_CHROME_MANIFESTS += ['browser/browser.ini']
 MOCHITEST_CHROME_MANIFESTS += ['chrome/chrome.ini']
+MARIONETTE_GPU_MANIFESTS += ['marionette/manifest.ini']

python/mozbuild/mozbuild/action/test_archive.py

@@ -139,6 +139,7 @@ ARCHIVE_FILES = {
             'base': '',
             'manifests': [
                 'testing/marionette/harness/marionette_harness/tests/unit-tests.ini',
+                'gfx/tests/marionette/manifest.ini',
             ],
             # We also need the manifests and harness_unit tests
             'pattern': 'testing/marionette/harness/marionette_harness/tests/**',

python/mozbuild/mozbuild/frontend/context.py

@@ -1855,6 +1855,10 @@ VARIABLES = {
         """List of manifest files defining marionette-layout tests.
         """),
 
+    'MARIONETTE_GPU_MANIFESTS': (ManifestparserManifestList, list,
+        """List of manifest files defining marionette-gpu tests.
+        """),
+
     'MARIONETTE_UNIT_MANIFESTS': (ManifestparserManifestList, list,
         """List of manifest files defining marionette-unit tests.
         """),

taskcluster/ci/test/marionette.yml

@@ -47,3 +47,16 @@ marionette-headless:
     mozharness:
         extra-options:
             - --headless
+
+marionette-gpu:
+    description: "Marionette with GPU unittest run"
+    treeherder-symbol: MnG
+    max-run-time: 1800
+    instance-size: default
+    mozharness:
+        extra-options:
+            - --test-manifest gpu-unit-tests.ini
+    virtualization:
+        by-test-platform:
+            windows10-64.*: virtual-with-gpu
+            default: virtual

taskcluster/ci/test/test-platforms.yml

@@ -173,12 +173,14 @@ windows10-64-ccov/debug:
         - desktop-screenshot-capture
         - windows-reftest-gpu
         - windows-talos
+        - marionette-gpu-tests
         - windows-tests
         - ccov-code-coverage-tests
 
 windows10-64/debug:
     build-platform: win64/debug
     test-sets:
+        - marionette-gpu-tests
         - windows-tests
         - mochitest-headless
 
@@ -188,6 +190,7 @@ windows10-64/opt:
         - awsy
         - desktop-screenshot-capture
         - windows-talos
+        - marionette-gpu-tests
         - windows-tests
         - mochitest-headless
         - raptor-firefox
@@ -202,7 +205,9 @@ windows10-64-pgo/opt:
     test-sets:
         - awsy
         - desktop-screenshot-capture
+        - marionette-gpu-tests
         - windows-talos
+        - marionette-gpu-tests
         - windows-tests
         - raptor-firefox
 
@@ -212,6 +217,7 @@ windows10-64-nightly/opt:
         - awsy
         - desktop-screenshot-capture
         - desktop-instrumentation
+        - marionette-gpu-tests
         - windows-tests
         - raptor-chrome
 
@@ -219,6 +225,7 @@ windows10-64-devedition/opt:
     build-platform: win64-devedition-nightly/opt
     test-sets:
         - desktop-screenshot-capture
+        - marionette-gpu-tests
         - windows-tests
 
 windows10-64-asan/opt:

taskcluster/ci/test/test-sets.yml

@@ -223,6 +223,9 @@ windows-talos:
     - talos-tps
     # - talos-h1 Bug 1487031 - Disabled for not finding actionable regressions
 
+marionette-gpu-tests:
+    - marionette-gpu
+
 macosx64-tests:
     - cppunit
     - crashtest

testing/marionette/harness/marionette_harness/tests/gpu-unit-tests.ini

@@ -0,0 +1,2 @@
+# graphics tests
+[include:../../../../../gfx/tests/marionette/manifest.ini]