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[libvirt] [PATCH v3 02/11] conf: Introduce virDomainGraphics-related helpers



A few simple helpers that allow us to determine whether a graphics can
and will need to make use of a DRM render node.

Signed-off-by: Erik Skultety <eskultet redhat com>
---
 src/conf/domain_conf.c   | 41 ++++++++++++++++++++++++++++++++++++++++
 src/conf/domain_conf.h   |  9 +++++++++
 src/libvirt_private.syms |  3 +++
 3 files changed, 53 insertions(+)

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index a7ab3e26f1..6ae98435cc 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -30933,3 +30933,44 @@ virDomainGraphicsDefHasOpenGL(const virDomainDef *def)
 
     return false;
 }
+
+
+bool
+virDomainGraphicsSupportsRenderNode(const virDomainGraphicsDef *graphics)
+{
+    return graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_SPICE;
+}
+
+
+const char *
+virDomainGraphicsGetRenderNode(const virDomainGraphicsDef *graphics)
+{
+    const char *ret = NULL;
+
+    switch (graphics->type) {
+    case VIR_DOMAIN_GRAPHICS_TYPE_SPICE:
+        if (graphics->data.spice.gl == VIR_TRISTATE_BOOL_YES)
+            ret = graphics->data.spice.rendernode;
+        break;
+    case VIR_DOMAIN_GRAPHICS_TYPE_EGL_HEADLESS:
+    case VIR_DOMAIN_GRAPHICS_TYPE_SDL:
+    case VIR_DOMAIN_GRAPHICS_TYPE_VNC:
+    case VIR_DOMAIN_GRAPHICS_TYPE_RDP:
+    case VIR_DOMAIN_GRAPHICS_TYPE_DESKTOP:
+    case VIR_DOMAIN_GRAPHICS_TYPE_LAST:
+        break;
+    }
+
+    return ret;
+}
+
+
+bool
+virDomainGraphicsNeedsRenderNode(const virDomainGraphicsDef *graphics)
+{
+    if (!virDomainGraphicsSupportsRenderNode(graphics) ||
+        virDomainGraphicsGetRenderNode(graphics))
+        return false;
+
+    return true;
+}
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 7a724fbc6f..39dc33db8f 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -3668,4 +3668,13 @@ virDomainDefHasManagedPR(const virDomainDef *def);
 bool
 virDomainGraphicsDefHasOpenGL(const virDomainDef *def);
 
+bool
+virDomainGraphicsSupportsRenderNode(const virDomainGraphicsDef *graphics);
+
+const char *
+virDomainGraphicsGetRenderNode(const virDomainGraphicsDef *graphics);
+
+bool
+virDomainGraphicsNeedsRenderNode(const virDomainGraphicsDef *graphics);
+
 #endif /* __DOMAIN_CONF_H */
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index c7f08f9620..d34a387485 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -372,8 +372,10 @@ virDomainGraphicsAuthConnectedTypeToString;
 virDomainGraphicsDefFree;
 virDomainGraphicsDefHasOpenGL;
 virDomainGraphicsGetListen;
+virDomainGraphicsGetRenderNode;
 virDomainGraphicsListenAppendAddress;
 virDomainGraphicsListenAppendSocket;
+virDomainGraphicsNeedsRenderNode;
 virDomainGraphicsSpiceChannelModeTypeFromString;
 virDomainGraphicsSpiceChannelModeTypeToString;
 virDomainGraphicsSpiceChannelNameTypeFromString;
@@ -388,6 +390,7 @@ virDomainGraphicsSpiceStreamingModeTypeFromString;
 virDomainGraphicsSpiceStreamingModeTypeToString;
 virDomainGraphicsSpiceZlibCompressionTypeFromString;
 virDomainGraphicsSpiceZlibCompressionTypeToString;
+virDomainGraphicsSupportsRenderNode;
 virDomainGraphicsTypeFromString;
 virDomainGraphicsTypeToString;
 virDomainGraphicsVNCSharePolicyTypeFromString;
-- 
2.19.1


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