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authorAaron Plattner <aplattner@nvidia.com>2012-06-12 19:32:19 (GMT)
committerAaron Plattner <aplattner@nvidia.com>2014-01-03 21:37:56 (GMT)
commit19fc4c5a72eb9919d720ad66734029d9f8e313b1 (patch)
treedde1672389a15a4e7917a49d2224431b39bcea0b
parente7526e6b5fe0966929cda10b2ded0258413744db (diff)
Add a "GUID" property
This property represents the globally-unique identifier of the connected display, if one is available. Signed-off-by: Aaron Plattner <aplattner@nvidia.com> Reviewed-by: Andy Ritger <aritger@nvidia.com>
-rw-r--r--randr.h1
-rw-r--r--randrproto.txt12
2 files changed, 13 insertions, 0 deletions
diff --git a/randr.h b/randr.h
index 33d22fb..3c6721b 100644
--- a/randr.h
+++ b/randr.h
@@ -180,6 +180,7 @@ typedef unsigned long XRandrModeFlags;
#define RR_PROPERTY_CLONE_LIST "CloneList"
#define RR_PROPERTY_BORDER "Border"
#define RR_PROPERTY_BORDER_DIMENSIONS "BorderDimensions"
+#define RR_PROPERTY_GUID "GUID"
/* roles this device can carry out */
#define RR_Capability_None 0
diff --git a/randrproto.txt b/randrproto.txt
index 2bf065f..f82407c 100644
--- a/randrproto.txt
+++ b/randrproto.txt
@@ -1957,6 +1957,17 @@ doesn't handle a mandatory property correctly.
2 = left/right and top/bottom borders can be specified independently
4 = all four borders can be specified independently
+ "GUID" aka RR_PROPERTY_GUID
+ Type: INTEGER
+ Format: 8
+ Num items: 16
+ Flags: Immutable
+ Range/List: -
+
+ Some display devices, such as DisplayPort 1.2 devices, have globally
+ unique identifiers. When such an identifier is available, this property
+ contains its raw bytes.
+
9.2 Properties introduced with version 1.2 of the RandR extension
@@ -1990,6 +2001,7 @@ Property Immutable Mandatory since
──────── ───────── ───────────────
Border yes not mandatory
BorderDimensions yes: static not mandatory
+GUID yes not mandatory
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