virtinst: use virtio if spice+gl

Use virtio+accel3d by default whenever spice+gl is chosen. This allows
to easily set up accelerated gpu VM.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>

tests/cli-test-xml/compare/virt-install-spice-gl.xml

@@ -0,0 +1,70 @@
+<domain type="kvm">
+  <name>foobar</name>
+  <uuid>00000000-1111-2222-3333-444444444444</uuid>
+  <memory>1048576</memory>
+  <currentMemory>1048576</currentMemory>
+  <vcpu>1</vcpu>
+  <os>
+    <type arch="x86_64">hvm</type>
+    <boot dev="hd"/>
+  </os>
+  <features>
+    <acpi/>
+    <apic/>
+    <vmport state="off"/>
+  </features>
+  <cpu mode="custom" match="exact">
+    <model>Opteron_G4</model>
+  </cpu>
+  <clock offset="utc">
+    <timer name="rtc" tickpolicy="catchup"/>
+    <timer name="pit" tickpolicy="delay"/>
+    <timer name="hpet" present="no"/>
+  </clock>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>restart</on_crash>
+  <pm>
+    <suspend-to-mem enabled="no"/>
+    <suspend-to-disk enabled="no"/>
+  </pm>
+  <devices>
+    <emulator>/usr/bin/qemu-kvm</emulator>
+    <controller type="usb" index="0" model="ich9-ehci1"/>
+    <controller type="usb" index="0" model="ich9-uhci1">
+      <master startport="0"/>
+    </controller>
+    <controller type="usb" index="0" model="ich9-uhci2">
+      <master startport="2"/>
+    </controller>
+    <controller type="usb" index="0" model="ich9-uhci3">
+      <master startport="4"/>
+    </controller>
+    <interface type="bridge">
+      <source bridge="eth0"/>
+      <mac address="00:11:22:33:44:55"/>
+      <model type="virtio"/>
+    </interface>
+    <input type="tablet" bus="usb"/>
+    <graphics type="spice" port="-1" tlsPort="-1" autoport="yes">
+      <gl enable="yes"/>
+      <image compression="off"/>
+    </graphics>
+    <console type="pty"/>
+    <channel type="unix">
+      <source mode="bind"/>
+      <target type="virtio" name="org.qemu.guest_agent.0"/>
+    </channel>
+    <channel type="spicevmc">
+      <target type="virtio" name="com.redhat.spice.0"/>
+    </channel>
+    <sound model="ich6"/>
+    <video>
+      <model type="virtio">
+        <acceleration accel3d="yes"/>
+      </model>
+    </video>
+    <redirdev bus="usb" type="spicevmc"/>
+    <redirdev bus="usb" type="spicevmc"/>
+  </devices>
+</domain>

tests/clitest.py

@@ -529,6 +529,13 @@ c.add_compare(""" \
 """, "many-devices", compare_check=support.SUPPORT_CONN_RBD_FORMAT)
 
 
+c.add_compare(""" \
+--memory 1024 \
+--disk none \
+--graphics spice,gl=yes \
+""", "spice-gl", compare_check=support.SUPPORT_CONN_VMPORT)
+
+
 
 ####################################################
 # CPU/RAM/numa and other singleton VM config tests #

virtinst/guest.py

@@ -1183,6 +1183,11 @@ class Guest(XMLBuilder):
             if gfx.type == gfx.TYPE_SPICE:
                 return True
 
+    def has_gl(self):
+        for gfx in self.get_devices("graphics"):
+            if gfx.gl:
+                return True
+
     def _set_video_defaults(self):
         if self.has_spice():
             self._add_spice_channels()
@@ -1196,3 +1201,5 @@ class Guest(XMLBuilder):
         for video in self.get_devices("video"):
             if video.model == video.MODEL_DEFAULT:
                 video.model = video_model
+                if video.model == 'virtio' and self.has_gl():
+                    video.accel3d = True

virtinst/osdict.py

@@ -522,7 +522,10 @@ class _OsVariant(object):
             return "vmvga"
 
         if guest.has_spice() and guest.os.is_x86():
-            return "qxl"
+            if guest.has_gl():
+                return "virtio"
+            else:
+                return "qxl"
 
         if self.is_windows():
             return "vga"