Note that to actually use accelerated GL passthrough, there are two options

1) a suitable frontend need to be also enabled - gtk+ seems to work well,
sdl was found to be buggy.

2) it is also possible to render off-screen with -display egl-headless option,
and see the output with a VNC viewer (for which, qemu needs to be started
with a VNC server):

$ runqemu kvm egl-headless publicvnc

Signed-off-by: Alexander Kanavin <alex.kana...@gmail.com>
---
 meta/lib/oeqa/selftest/cases/runtime_test.py      | 15 ++++++---------
 .../qemu/qemu-system-native_4.0.0.bb              |  4 +++-
 meta/recipes-devtools/qemu/qemu_4.0.0.bb          |  5 ++++-
 3 files changed, 13 insertions(+), 11 deletions(-)

diff --git a/meta/lib/oeqa/selftest/cases/runtime_test.py 
b/meta/lib/oeqa/selftest/cases/runtime_test.py
index 6c25bb901d1..fca803ffbc5 100644
--- a/meta/lib/oeqa/selftest/cases/runtime_test.py
+++ b/meta/lib/oeqa/selftest/cases/runtime_test.py
@@ -185,13 +185,12 @@ class TestImage(OESelftestTestCase):
             self.skipTest('virgl isn\'t working with Debian 8')
 
         qemu_packageconfig = get_bb_var('PACKAGECONFIG', 'qemu-system-native')
+        qemu_distrofeatures = get_bb_var('DISTRO_FEATURES', 
'qemu-system-native')
         features = 'INHERIT += "testimage"\n'
         if 'gtk+' not in qemu_packageconfig:
             features += 'PACKAGECONFIG_append_pn-qemu-system-native = " 
gtk+"\n'
-        if 'virglrenderer' not in qemu_packageconfig:
-            features += 'PACKAGECONFIG_append_pn-qemu-system-native = " 
virglrenderer"\n'
-        if 'glx' not in qemu_packageconfig:
-            features += 'PACKAGECONFIG_append_pn-qemu-system-native = " glx"\n'
+        if 'opengl' not in qemu_distrofeatures:
+            features += 'DISTRO_FEATURES_append = " opengl"\n'
         features += 'TEST_SUITES = "ping ssh virgl"\n'
         features += 'IMAGE_FEATURES_append = " ssh-server-dropbear"\n'
         features += 'IMAGE_INSTALL_append = " kmscube"\n'
@@ -220,12 +219,10 @@ class TestImage(OESelftestTestCase):
             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.")
-        qemu_packageconfig = get_bb_var('PACKAGECONFIG', 'qemu-system-native')
+        qemu_distrofeatures = get_bb_var('DISTRO_FEATURES', 
'qemu-system-native')
         features = 'INHERIT += "testimage"\n'
-        if 'virglrenderer' not in qemu_packageconfig:
-            features += 'PACKAGECONFIG_append_pn-qemu-system-native = " 
virglrenderer"\n'
-        if 'glx' not in qemu_packageconfig:
-            features += 'PACKAGECONFIG_append_pn-qemu-system-native = " glx"\n'
+        if 'opengl' not in qemu_distrofeatures:
+            features += 'DISTRO_FEATURES_append = " opengl"\n'
         features += 'TEST_SUITES = "ping ssh virgl"\n'
         features += 'IMAGE_FEATURES_append = " ssh-server-dropbear"\n'
         features += 'IMAGE_INSTALL_append = " kmscube"\n'
diff --git a/meta/recipes-devtools/qemu/qemu-system-native_4.0.0.bb 
b/meta/recipes-devtools/qemu/qemu-system-native_4.0.0.bb
index 820883df651..5b14559818a 100644
--- a/meta/recipes-devtools/qemu/qemu-system-native_4.0.0.bb
+++ b/meta/recipes-devtools/qemu/qemu-system-native_4.0.0.bb
@@ -9,7 +9,9 @@ DEPENDS = "glib-2.0-native zlib-native pixman-native 
qemu-native"
 
 EXTRA_OECONF_append = " --target-list=${@get_qemu_system_target_list(d)}"
 
-PACKAGECONFIG ??= "fdt alsa kvm"
+PACKAGECONFIG ??= "fdt alsa kvm \
+    ${@bb.utils.contains('DISTRO_FEATURES', 'opengl', 'virglrenderer glx', '' 
,d)} \
+"
 
 # Handle distros such as CentOS 5 32-bit that do not have kvm support
 PACKAGECONFIG_remove = "${@'kvm' if not 
os.path.exists('/usr/include/linux/kvm.h') else ''}"
diff --git a/meta/recipes-devtools/qemu/qemu_4.0.0.bb 
b/meta/recipes-devtools/qemu/qemu_4.0.0.bb
index 247e0311edc..52cb3b8f3dc 100644
--- a/meta/recipes-devtools/qemu/qemu_4.0.0.bb
+++ b/meta/recipes-devtools/qemu/qemu_4.0.0.bb
@@ -16,5 +16,8 @@ do_install_append_class-nativesdk() {
 PACKAGECONFIG ??= " \
     fdt sdl kvm \
     ${@bb.utils.filter('DISTRO_FEATURES', 'alsa xen', d)} \
+    ${@bb.utils.contains('DISTRO_FEATURES', 'opengl', 'virglrenderer glx', '' 
,d)} \
+"
+PACKAGECONFIG_class-nativesdk ??= "fdt sdl kvm \
+    ${@bb.utils.contains('DISTRO_FEATURES', 'opengl', 'virglrenderer glx', '' 
,d)} \
 "
-PACKAGECONFIG_class-nativesdk ??= "fdt sdl kvm"
-- 
2.17.1

-- 
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