[libvirt] [PATCH] qemu: add sdl opengl support
Maciej Wolny
maciej.wolny at codethink.co.uk
Tue May 1 19:22:45 UTC 2018
Add SDL graphics gl attribute, modify the domain XML schema, add a
test, modify the documentation to include the new option.
Signed-off-by: Maciej Wolny <maciej.wolny at codethink.co.uk>
---
docs/schemas/domaincommon.rng | 8 +++++
src/conf/domain_conf.c | 41 ++++++++++++++++++++++
src/conf/domain_conf.h | 1 +
src/qemu/qemu_capabilities.c | 2 ++
src/qemu/qemu_capabilities.h | 1 +
src/qemu/qemu_command.c | 19 ++++++++++
.../qemuxml2argvdata/video-virtio-gpu-sdl-gl.args | 28 +++++++++++++++
tests/qemuxml2argvdata/video-virtio-gpu-sdl-gl.xml | 38 ++++++++++++++++++++
tests/qemuxml2argvtest.c | 5 +++
9 files changed, 143 insertions(+)
create mode 100644 tests/qemuxml2argvdata/video-virtio-gpu-sdl-gl.args
create mode 100644 tests/qemuxml2argvdata/video-virtio-gpu-sdl-gl.xml
diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
index 3569b9212..a2ef93c09 100644
--- a/docs/schemas/domaincommon.rng
+++ b/docs/schemas/domaincommon.rng
@@ -3031,6 +3031,14 @@
<ref name="virYesNo"/>
</attribute>
</optional>
+ <optional>
+ <element name="gl">
+ <attribute name="enable">
+ <ref name="virYesNo"/>
+ </attribute>
+ <empty/>
+ </element>
+ </optional>
</group>
<group>
<attribute name="type">
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index b0257068d..7d65ca9df 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -13448,6 +13448,7 @@ static int
virDomainGraphicsDefParseXMLSDL(virDomainGraphicsDefPtr def,
xmlNodePtr node)
{
+ xmlNodePtr cur;
char *fullscreen = virXMLPropString(node, "fullscreen");
int ret = -1;
@@ -13468,6 +13469,34 @@ virDomainGraphicsDefParseXMLSDL(virDomainGraphicsDefPtr def,
def->data.sdl.xauth = virXMLPropString(node, "xauth");
def->data.sdl.display = virXMLPropString(node, "display");
+ cur = node->children;
+ while (cur != NULL) {
+ if (cur->type == XML_ELEMENT_NODE) {
+ if (virXMLNodeNameEqual(cur, "gl")) {
+ char *enable = virXMLPropString(cur, "enable");
+ int enableVal;
+
+ if (!enable) {
+ virReportError(VIR_ERR_XML_ERROR, "%s",
+ _("sdl gl element missing enable"));
+ goto cleanup;
+ }
+
+ enableVal = virTristateBoolTypeFromString(enable);
+ if (enableVal < 0) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+ _("unknown enable value '%s'"), enable);
+ VIR_FREE(enable);
+ goto cleanup;
+ }
+ VIR_FREE(enable);
+
+ def->data.sdl.gl = enableVal;
+ }
+ }
+ cur = cur->next;
+ }
+
ret = 0;
cleanup:
VIR_FREE(fullscreen);
@@ -25652,6 +25681,18 @@ virDomainGraphicsDefFormat(virBufferPtr buf,
if (def->data.sdl.fullscreen)
virBufferAddLit(buf, " fullscreen='yes'");
+ if (!children && def->data.sdl.gl) {
+ virBufferAddLit(buf, ">\n");
+ virBufferAdjustIndent(buf, 2);
+ children = true;
+ }
+
+ if (def->data.sdl.gl) {
+ virBufferAsprintf(buf, "<gl enable='%s'",
+ virTristateBoolTypeToString(def->data.sdl.gl));
+ virBufferAddLit(buf, "/>\n");
+ }
+
break;
case VIR_DOMAIN_GRAPHICS_TYPE_RDP:
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 3c7eccb8c..90071d9c0 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -1601,6 +1601,7 @@ struct _virDomainGraphicsDef {
char *display;
char *xauth;
bool fullscreen;
+ virTristateBool gl;
} sdl;
struct {
int port;
diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index aa8d350f5..02680502e 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -474,6 +474,7 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
"query-cpus-fast",
"disk-write-cache",
"nbd-tls",
+ "sdl-gl",
);
@@ -2451,6 +2452,7 @@ static struct virQEMUCapsCommandLineProps virQEMUCapsCommandLine[] = {
{ "vnc", "vnc", QEMU_CAPS_VNC_MULTI_SERVERS },
{ "chardev", "reconnect", QEMU_CAPS_CHARDEV_RECONNECT },
{ "sandbox", "elevateprivileges", QEMU_CAPS_SECCOMP_BLACKLIST },
+ { "sdl", "gl", QEMU_CAPS_SDL_GL },
};
static int
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index 2afe7ef58..e36611e2a 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -458,6 +458,7 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */
QEMU_CAPS_QUERY_CPUS_FAST, /* query-cpus-fast command */
QEMU_CAPS_DISK_WRITE_CACHE, /* qemu block frontends support write-cache param */
QEMU_CAPS_NBD_TLS, /* NBD server supports TLS transport */
+ QEMU_CAPS_SDL_GL, /* -sdl gl */
QEMU_CAPS_LAST /* this must always be the last item */
} virQEMUCapsFlags;
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 418729b98..29214e806 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -7988,6 +7988,7 @@ qemuBuildGraphicsCommandLine(virQEMUDriverConfigPtr cfg,
virQEMUCapsPtr qemuCaps,
virDomainGraphicsDefPtr graphics)
{
+ virBuffer opt = VIR_BUFFER_INITIALIZER;
switch (graphics->type) {
case VIR_DOMAIN_GRAPHICS_TYPE_SDL:
if (graphics->data.sdl.xauth)
@@ -8009,6 +8010,24 @@ qemuBuildGraphicsCommandLine(virQEMUDriverConfigPtr cfg,
* default, since the default changes :-( */
virCommandAddArg(cmd, "-sdl");
+ if (graphics->data.sdl.gl == VIR_TRISTATE_BOOL_YES) {
+ if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SDL_GL)) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("This QEMU doesn't support SDL OpenGL"));
+ return -1;
+
+ }
+
+ virBufferAsprintf(&opt, "gl=%s",
+ virTristateSwitchTypeToString(graphics->data.sdl.gl));
+ }
+
+ {
+ const char *optContent = virBufferCurrentContent(&opt);
+ if (optContent && STRNEQ(optContent, ""))
+ virCommandAddArgBuffer(cmd, &opt);
+ }
+
break;
case VIR_DOMAIN_GRAPHICS_TYPE_VNC:
diff --git a/tests/qemuxml2argvdata/video-virtio-gpu-sdl-gl.args b/tests/qemuxml2argvdata/video-virtio-gpu-sdl-gl.args
new file mode 100644
index 000000000..4172320ed
--- /dev/null
+++ b/tests/qemuxml2argvdata/video-virtio-gpu-sdl-gl.args
@@ -0,0 +1,28 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/home/test \
+USER=test \
+LOGNAME=test \
+/usr/bin/qemu-system-i686 \
+-name QEMUGuest1 \
+-S \
+-machine pc,accel=tcg,usb=off,dump-guest-core=off \
+-m 1024 \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=charmonitor,path=/tmp/lib/domain--1-QEMUGuest1/monitor.sock,\
+server,nowait \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-no-acpi \
+-boot c \
+-usb \
+-drive file=/var/lib/libvirt/images/QEMUGuest1,format=qcow2,if=none,\
+id=drive-ide0-0-0,cache=none \
+-device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0 \
+-sdl gl=on \
+-device virtio-gpu-pci,id=video0,virgl=on,bus=pci.0,addr=0x2 \
+-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3
diff --git a/tests/qemuxml2argvdata/video-virtio-gpu-sdl-gl.xml b/tests/qemuxml2argvdata/video-virtio-gpu-sdl-gl.xml
new file mode 100644
index 000000000..9dea73fbe
--- /dev/null
+++ b/tests/qemuxml2argvdata/video-virtio-gpu-sdl-gl.xml
@@ -0,0 +1,38 @@
+<domain type='qemu'>
+ <name>QEMUGuest1</name>
+ <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+ <memory unit='KiB'>1048576</memory>
+ <currentMemory unit='KiB'>1048576</currentMemory>
+ <vcpu placement='static'>1</vcpu>
+ <os>
+ <type arch='i686' machine='pc'>hvm</type>
+ <boot dev='hd'/>
+ </os>
+ <clock offset='utc'/>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>destroy</on_crash>
+ <devices>
+ <emulator>/usr/bin/qemu-system-i686</emulator>
+ <disk type='file' device='disk'>
+ <driver name='qemu' type='qcow2' cache='none'/>
+ <source file='/var/lib/libvirt/images/QEMUGuest1'/>
+ <target dev='hda' bus='ide'/>
+ <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+ </disk>
+ <controller type='ide' index='0'/>
+ <controller type='usb' index='0'/>
+ <controller type='pci' index='0' model='pci-root'/>
+ <input type='mouse' bus='ps2'/>
+ <input type='keyboard' bus='ps2'/>
+ <graphics type='sdl'>
+ <gl enable='yes'/>
+ </graphics>
+ <video>
+ <model type='virtio' heads='1'>
+ <acceleration accel3d='yes'/>
+ </model>
+ </video>
+ <memballoon model='virtio'/>
+ </devices>
+</domain>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index 5b3bd4a99..0b06699f0 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -1924,6 +1924,11 @@ mymain(void)
QEMU_CAPS_SPICE_GL,
QEMU_CAPS_SPICE_RENDERNODE,
QEMU_CAPS_DEVICE_VIDEO_PRIMARY);
+ DO_TEST("video-virtio-gpu-sdl-gl",
+ QEMU_CAPS_DEVICE_VIRTIO_GPU,
+ QEMU_CAPS_VIRTIO_GPU_VIRGL,
+ QEMU_CAPS_SDL_GL,
+ QEMU_CAPS_DEVICE_VIDEO_PRIMARY);
DO_TEST("video-virtio-gpu-secondary",
QEMU_CAPS_DEVICE_VIRTIO_GPU,
QEMU_CAPS_DEVICE_VIDEO_PRIMARY);
--
2.11.0
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