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From a701d9ee0f3e5cd939356191f25d0ec378dbb5c4 Mon Sep 17 00:00:00 2001
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Message-Id: <a701d9ee0f3e5cd939356191f25d0ec378dbb5c4@dist-git>
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From: Erik Skultety <eskultet@redhat.com>
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Date: Tue, 9 Apr 2019 08:34:31 +0200
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Subject: [PATCH] conf: gfx: egl-headless: Introduce a new <gl> subelement
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Unlike with SPICE and SDL which use the <gl> subelement to enable OpenGL
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acceleration, specifying egl-headless graphics in the XML has
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essentially the same meaning, thus in case of egl-headless we don't have
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a need for the 'enable' element attribute and we'll only be interested
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in the 'rendernode' one further down the road.
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Signed-off-by: Erik Skultety <eskultet@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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(cherry picked from commit 5f931fe39112129efb1204a1aac60b180ef31b42)
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https: //bugzilla.redhat.com/show_bug.cgi?id=1628892
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Signed-off-by: Erik Skultety <eskultet@redhat.com>
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Message-Id: <a52b7103d576f2713b6d1839e2bc7e2381b80519.1554791287.git.eskultet@redhat.com>
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Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
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---
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docs/formatdomain.html.in | 11 +++--
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docs/schemas/domaincommon.rng | 17 +++++--
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src/conf/domain_conf.c | 45 ++++++++++++++++++-
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src/qemu/qemu_process.c | 17 +++++--
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.../graphics-egl-headless-rendernode.xml | 33 ++++++++++++++
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.../graphics-egl-headless-rendernode.xml | 41 +++++++++++++++++
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tests/qemuxml2xmltest.c | 2 +
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7 files changed, 156 insertions(+), 10 deletions(-)
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create mode 100644 tests/qemuxml2argvdata/graphics-egl-headless-rendernode.xml
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create mode 100644 tests/qemuxml2xmloutdata/graphics-egl-headless-rendernode.xml
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diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
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index 8cf2c12524..e848dc1e0d 100644
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--- a/docs/formatdomain.html.in
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+++ b/docs/formatdomain.html.in
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@@ -6573,12 +6573,17 @@ qemu-kvm -net nic,model=? /dev/null
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the other types, for practical reasons it should be paired with
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either vnc or spice graphics types.
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This display type is only supported by QEMU domains
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- (needs QEMU 2.10 or newer) and doesn't
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- accept any attributes.
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+ (needs QEMU 2.10 or newer).
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+ 5.0.0 this element accepts a
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+ <gl/> sub-element with an optional attribute
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+ rendernode which can be used to specify an absolute
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+ path to a host's DRI device to be used for OpenGL rendering.
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<graphics type='spice' autoport='yes'/>
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-<graphics type='egl-headless'/>
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+<graphics type='egl-headless'>
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+ <gl rendernode='/dev/dri/renderD128'/>
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+</graphics>
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diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
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index 48f0637cad..f37ee4d354 100644
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--- a/docs/schemas/domaincommon.rng
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+++ b/docs/schemas/domaincommon.rng
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@@ -3383,9 +3383,20 @@
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</attribute>
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</optional>
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</group>
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- <attribute name="type">
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- <value>egl-headless</value>
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- </attribute>
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+ <group>
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+ <attribute name="type">
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+ <value>egl-headless</value>
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+ </attribute>
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+ <optional>
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+ <element name="gl">
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+ <optional>
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+ <attribute name="rendernode">
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+ <ref name="absFilePath"/>
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+ </attribute>
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+ </optional>
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+ </element>
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+ </optional>
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+ </group>
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</choice>
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</element>
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</define>
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diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
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index d079be2bb5..1aef0c76f8 100644
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--- a/src/conf/domain_conf.c
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+++ b/src/conf/domain_conf.c
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@@ -14274,6 +14274,24 @@ virDomainGraphicsDefParseXMLSpice(virDomainGraphicsDefPtr def,
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}
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+static int
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+virDomainGraphicsDefParseXMLEGLHeadless(virDomainGraphicsDefPtr def,
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+ xmlNodePtr node,
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+ xmlXPathContextPtr ctxt)
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+{
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+ xmlNodePtr save = ctxt->node;
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+ xmlNodePtr glNode;
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+
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+ ctxt->node = node;
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+
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+ if ((glNode = virXPathNode("./gl", ctxt)))
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+ def->data.egl_headless.rendernode = virXMLPropString(glNode,
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+ "rendernode");
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+ ctxt->node = save;
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+ return 0;
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+}
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+
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+
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/* Parse the XML definition for a graphics device */
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static virDomainGraphicsDefPtr
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virDomainGraphicsDefParseXML(xmlNodePtr node,
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@@ -14323,6 +14341,9 @@ virDomainGraphicsDefParseXML(xmlNodePtr node,
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goto error;
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break;
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case VIR_DOMAIN_GRAPHICS_TYPE_EGL_HEADLESS:
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+ if (virDomainGraphicsDefParseXMLEGLHeadless(def, node, ctxt) < 0)
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+ goto error;
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+ break;
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case VIR_DOMAIN_GRAPHICS_TYPE_LAST:
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break;
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}
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@@ -26724,6 +26745,20 @@ virDomainGraphicsDefFormat(virBufferPtr buf,
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break;
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case VIR_DOMAIN_GRAPHICS_TYPE_EGL_HEADLESS:
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+ if (!def->data.egl_headless.rendernode)
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+ break;
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+
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+ if (!children) {
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+ virBufferAddLit(buf, ">\n");
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+ virBufferAdjustIndent(buf, 2);
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+ children = true;
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+ }
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+
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+ virBufferAddLit(buf, "
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+ virBufferEscapeString(buf, " rendernode='%s'",
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+ def->data.egl_headless.rendernode);
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+ virBufferAddLit(buf, "/>\n");
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+ break;
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case VIR_DOMAIN_GRAPHICS_TYPE_LAST:
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break;
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}
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@@ -30718,7 +30753,13 @@ virDomainGraphicsDefHasOpenGL(const virDomainDef *def)
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bool
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virDomainGraphicsSupportsRenderNode(const virDomainGraphicsDef *graphics)
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{
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- return graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_SPICE;
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+ bool ret = false;
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+
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+ if (graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_SPICE ||
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+ graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_EGL_HEADLESS)
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+ ret = true;
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+
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+ return ret;
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}
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@@ -30733,6 +30774,8 @@ virDomainGraphicsGetRenderNode(const virDomainGraphicsDef *graphics)
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ret = graphics->data.spice.rendernode;
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break;
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case VIR_DOMAIN_GRAPHICS_TYPE_EGL_HEADLESS:
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+ ret = graphics->data.egl_headless.rendernode;
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+ break;
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case VIR_DOMAIN_GRAPHICS_TYPE_SDL:
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case VIR_DOMAIN_GRAPHICS_TYPE_VNC:
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case VIR_DOMAIN_GRAPHICS_TYPE_RDP:
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diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
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index 465dabd8e3..8811aefb95 100644
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--- a/src/qemu/qemu_process.c
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+++ b/src/qemu/qemu_process.c
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@@ -4755,14 +4755,25 @@ static int
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qemuProcessGraphicsSetupRenderNode(virDomainGraphicsDefPtr graphics,
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virQEMUCapsPtr qemuCaps)
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{
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+ char **rendernode = NULL;
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+
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if (!virDomainGraphicsNeedsAutoRenderNode(graphics))
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return 0;
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/* Don't bother picking a DRM node if QEMU doesn't support it. */
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- if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SPICE_RENDERNODE))
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- return 0;
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+ if (graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_SPICE) {
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+ if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SPICE_RENDERNODE))
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+ return 0;
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- if (!(graphics->data.spice.rendernode = virHostGetDRMRenderNode()))
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+ rendernode = &graphics->data.spice.rendernode;
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+ } else {
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+ if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_EGL_HEADLESS_RENDERNODE))
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+ return 0;
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+
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+ rendernode = &graphics->data.egl_headless.rendernode;
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+ }
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+
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+ if (!(*rendernode = virHostGetDRMRenderNode()))
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return -1;
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return 0;
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diff --git a/tests/qemuxml2argvdata/graphics-egl-headless-rendernode.xml b/tests/qemuxml2argvdata/graphics-egl-headless-rendernode.xml
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new file mode 100644
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index 0000000000..a8d54e75da
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--- /dev/null
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+++ b/tests/qemuxml2argvdata/graphics-egl-headless-rendernode.xml
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@@ -0,0 +1,33 @@
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+<domain type='qemu'>
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+ <name>QEMUGuest1</name>
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+ <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
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+ <memory unit='KiB'>219100</memory>
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+ <currentMemory unit='KiB'>219100</currentMemory>
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+ <vcpu placement='static'>1</vcpu>
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+ <os>
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+ <type arch='i686' machine='pc'>hvm</type>
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+ <boot dev='hd'/>
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+ </os>
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+ <clock offset='utc'/>
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+ <on_poweroff>destroy</on_poweroff>
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+ <on_reboot>restart</on_reboot>
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+ <on_crash>destroy</on_crash>
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+ <devices>
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+ <emulator>/usr/bin/qemu-system-i686</emulator>
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+ <disk type='block' device='disk'>
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+ <driver name='qemu' type='raw'/>
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+ <source dev='/dev/HostVG/QEMUGuest1'/>
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+ <target dev='hda' bus='ide'/>
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+ <address type='drive' controller='0' bus='0' target='0' unit='0'/>
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+ </disk>
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+ <controller type='usb' index='0'/>
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+ <controller type='ide' index='0'/>
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+ <controller type='pci' index='0' model='pci-root'/>
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+ <input type='mouse' bus='ps2'/>
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+ <input type='keyboard' bus='ps2'/>
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+ <graphics type='egl-headless'>
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+ <gl rendernode='/dev/dri/foo'/>
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+ </graphics>
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+ <memballoon model='none'/>
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+ </devices>
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+</domain>
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diff --git a/tests/qemuxml2xmloutdata/graphics-egl-headless-rendernode.xml b/tests/qemuxml2xmloutdata/graphics-egl-headless-rendernode.xml
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new file mode 100644
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index 0000000000..9b7ac89928
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--- /dev/null
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+++ b/tests/qemuxml2xmloutdata/graphics-egl-headless-rendernode.xml
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@@ -0,0 +1,41 @@
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+<domain type='qemu'>
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+ <name>QEMUGuest1</name>
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+ <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
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+ <memory unit='KiB'>219100</memory>
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+ <currentMemory unit='KiB'>219100</currentMemory>
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+ <vcpu placement='static'>1</vcpu>
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+ <os>
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+ <type arch='i686' machine='pc'>hvm</type>
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+ <boot dev='hd'/>
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+ </os>
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+ <clock offset='utc'/>
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+ <on_poweroff>destroy</on_poweroff>
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+ <on_reboot>restart</on_reboot>
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+ <on_crash>destroy</on_crash>
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+ <devices>
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+ <emulator>/usr/bin/qemu-system-i686</emulator>
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+ <disk type='block' device='disk'>
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+ <driver name='qemu' type='raw'/>
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+ <source dev='/dev/HostVG/QEMUGuest1'/>
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+ <target dev='hda' bus='ide'/>
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+ <address type='drive' controller='0' bus='0' target='0' unit='0'/>
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0a7476 |
+ </disk>
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+ <controller type='usb' index='0'>
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+ <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
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+ </controller>
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+ <controller type='ide' index='0'>
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+ <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
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+ </controller>
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+ <controller type='pci' index='0' model='pci-root'/>
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+ <input type='mouse' bus='ps2'/>
|
|
|
0a7476 |
+ <input type='keyboard' bus='ps2'/>
|
|
|
0a7476 |
+ <graphics type='egl-headless'>
|
|
|
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+ <gl rendernode='/dev/dri/foo'/>
|
|
|
0a7476 |
+ </graphics>
|
|
|
0a7476 |
+ <video>
|
|
|
0a7476 |
+ <model type='cirrus' vram='16384' heads='1' primary='yes'/>
|
|
|
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+ <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
|
|
|
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+ </video>
|
|
|
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+ <memballoon model='none'/>
|
|
|
0a7476 |
+ </devices>
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|
|
0a7476 |
+</domain>
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|
|
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diff --git a/tests/qemuxml2xmltest.c b/tests/qemuxml2xmltest.c
|
|
|
0a7476 |
index 5bd522e765..1f67d74797 100644
|
|
|
0a7476 |
--- a/tests/qemuxml2xmltest.c
|
|
|
0a7476 |
+++ b/tests/qemuxml2xmltest.c
|
|
|
0a7476 |
@@ -434,6 +434,8 @@ mymain(void)
|
|
|
0a7476 |
cfg->spiceAutoUnixSocket = false;
|
|
|
0a7476 |
DO_TEST("graphics-spice-egl-headless", NONE);
|
|
|
0a7476 |
|
|
|
0a7476 |
+ DO_TEST("graphics-egl-headless-rendernode", NONE);
|
|
|
0a7476 |
+
|
|
|
0a7476 |
DO_TEST("input-usbmouse", NONE);
|
|
|
0a7476 |
DO_TEST("input-usbtablet", NONE);
|
|
|
0a7476 |
DO_TEST("misc-acpi", NONE);
|
|
|
0a7476 |
--
|
|
|
0a7476 |
2.21.0
|
|
|
0a7476 |
|