[PATCH 19/20] selftest: add tests for virgl GL acceleration

[Alexander Kanavin <alex.kanavin@gmail.com>]

Note that the tests require that the host machine has a X display,
has mesa development files installed and is able to create OpenGL contexts.

Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
---
 meta-selftest/lib/oeqa/runtime/cases/virgl.py | 28 +++++++++++
 meta/lib/oeqa/selftest/cases/runtime_test.py  | 50 +++++++++++++++++++
 2 files changed, 78 insertions(+)
 create mode 100644 meta-selftest/lib/oeqa/runtime/cases/virgl.py

diff --git a/meta-selftest/lib/oeqa/runtime/cases/virgl.py b/meta-selftest/lib/oeqa/runtime/cases/virgl.py
new file mode 100644
index 00000000000..cc25e77d9c0
--- /dev/null
+++ b/meta-selftest/lib/oeqa/runtime/cases/virgl.py
@@ -0,0 +1,28 @@
+from oeqa.runtime.case import OERuntimeTestCase
+from oeqa.core.decorator.depends import OETestDepends
+import subprocess
+import oe
+
+class VirglTest(OERuntimeTestCase):
+
+    @OETestDepends(['ssh.SSHTest.test_ssh'])
+    def test_kernel_driver(self):
+        status, output = self.target.run('dmesg|grep virgl')
+        self.assertEqual(status, 0, "Checking for virgl driver in dmesg returned non-zero: %d\n%s" % (status, output))
+        self.assertIn("virgl 3d acceleration enabled", output, "virgl acceleration seems to be disabled:\n%s" %(output))
+
+    @OETestDepends(['virgl.VirglTest.test_kernel_driver'])
+    def test_kmscube(self):
+        from fnmatch import fnmatch
+
+        try:
+            distro = oe.lsb.distro_identifier()
+        except Exception:
+            distro = None
+
+        if distro and fnmatch(distro, 'centos-7'):
+            self.skipTest('kmscube is not working when centos 7 is the host OS')
+
+        status, output = self.target.run('kmscube', timeout=30)
+        self.assertEqual(status, 0, "kmscube exited with non-zero status %d and output:\n%s" %(status, output))
+        self.assertIn('renderer: "virgl"', output, "kmscube does not seem to use virgl:\n%s" %(output))
diff --git a/meta/lib/oeqa/selftest/cases/runtime_test.py b/meta/lib/oeqa/selftest/cases/runtime_test.py
index 906e460d4f8..f43b1286ccf 100644
--- a/meta/lib/oeqa/selftest/cases/runtime_test.py
+++ b/meta/lib/oeqa/selftest/cases/runtime_test.py
@@ -168,6 +168,56 @@ class TestImage(OESelftestTestCase):
         # remove the oeqa-feed-sign temporal directory
         shutil.rmtree(self.gpg_home, ignore_errors=True)
 
+    @OETestID(1883)
+    def test_testimage_virgl_gtk(self):
+        """
+        Summary: Check host-assisted accelerate OpenGL functionality in qemu with gtk frontend
+        Expected: 1. Check that virgl kernel driver is loaded and 3d acceleration is enabled
+                  2. Check that kmscube demo runs without crashing.
+        Product: oe-core
+        Author: Alexander Kanavin <alex.kanavin@gmail.com>
+        """
+        if "DISPLAY" not in os.environ:
+            self.skipTest("virgl gtk test must be run inside a X session")
+        features = 'INHERIT += "testimage"\n'
+        features += 'PACKAGECONFIG_append_pn-qemu-native = " gtk+"\n'
+        features += 'TEST_SUITES = "ping ssh virgl"\n'
+        features += 'IMAGE_FEATURES_append = " ssh-server-dropbear"\n'
+        features += 'IMAGE_INSTALL_append = " kmscube"\n'
+        features += 'TEST_RUNQEMUPARAMS = "gl"\n'
+        self.write_config(features)
+        bitbake('core-image-minimal')
+        bitbake('-c testimage core-image-minimal')
+
+    @OETestID(1883)
+    def test_testimage_virgl_headless(self):
+        """
+        Summary: Check host-assisted accelerate OpenGL functionality in qemu with egl-headless frontend
+        Expected: 1. Check that virgl kernel driver is loaded and 3d acceleration is enabled
+                  2. Check that kmscube demo runs without crashing.
+        Product: oe-core
+        Author: Alexander Kanavin <alex.kanavin@gmail.com>
+        """
+        import subprocess, os
+        try:
+            content = os.listdir("/dev/dri")
+            if len([i for i in content if i.startswith('render')]) == 0:
+                self.skipTest("No render nodes found in /dev/dri: %s" %(content))
+        except FileNotFoundError:
+            self.skipTest("/dev/dri directory does not exist; no render nodes available on this machine.")
+        try:
+            dripath = subprocess.check_output("pkg-config --variable=dridriverdir dri", shell=True)
+        except subprocess.CalledProcessError as e:
+            self.skipTest("Could not determine the path to dri drivers on the host via pkg-config.\nPlease install Mesa development files (particularly, dri.pc) on the host machine.")
+        features = 'INHERIT += "testimage"\n'
+        features += 'TEST_SUITES = "ping ssh virgl"\n'
+        features += 'IMAGE_FEATURES_append = " ssh-server-dropbear"\n'
+        features += 'IMAGE_INSTALL_append = " kmscube"\n'
+        features += 'TEST_RUNQEMUPARAMS = "egl-headless"\n'
+        self.write_config(features)
+        bitbake('core-image-minimal')
+        bitbake('-c testimage core-image-minimal')
+
 class Postinst(OESelftestTestCase):
     @OETestID(1540)
     @OETestID(1545)
-- 
2.17.1