proto/randrproto: Branch 'multi-monitor'
Keith Packard
keithp at kemper.freedesktop.org
Tue Sep 12 08:49:45 EEST 2006
randrproto.txt | 112 +++++++++++++++++++++++++++++++++++++++++++--------------
1 files changed, 86 insertions(+), 26 deletions(-)
New commits:
diff-tree 4e47d7af0574690dcf00516337bf0bbe567c9c75 (from dd19f8fbfcc4b8863347ce422006715ed95a7c00)
Author: Keith Packard <keithp at neko.keithp.com>
Date: Mon Sep 11 22:49:15 2006 -0700
Finish basic request descriptions for version 1.2
outputs now report list of valid modes. crtcs accept a valid mode which must
be supported on all connected outputs.
outputs also report connection status.
diff --git a/randrproto.txt b/randrproto.txt
index 67179f0..6206e4c 100644
--- a/randrproto.txt
+++ b/randrproto.txt
@@ -1,17 +1,17 @@
- The X Resize, Rotate and Reflect Extension
- Version 1.2
- 2006-4-13
-
- Jim Gettys
- Jim.Gettys at hp.com
- Cambridge Research Laboratory
- HP Labs
- Hewlett Packard Company
-
- Keith Packard
- keith.packard at intel.com
- Open Source Technology Center
- Intel Corporation
+ The X Resize, Rotate and Reflect Extension
+ Version 1.2
+ 2006-4-13
+
+ Jim Gettys
+ Jim.Gettys at hp.com
+ Cambridge Research Laboratory
+ HP Labs
+ Hewlett Packard Company
+
+ Keith Packard
+ keith.packard at intel.com
+ Open Source Technology Center
+ Intel Corporation
1. Introduction
@@ -202,6 +202,8 @@ CRTC { CARD16 }
OUTPUT { CARD16 }
+CONNECTION { Connected, Disconnected, UnknownConnection }
+
SUBPIXELORDER { SubPixelUnknown The subpixel order uses the Render
SubPixelHorizontalRGB extensions definitions; they are here
SubPixelHorizontalBGR only for convenience.
@@ -395,6 +397,8 @@ RRGetScreenInfo
current size when the server resets) is the first size in the
list.
+ â§â§â§â§â§â§â§â§â§â§â§
+
7.1. Extension Requests added in version 1.2 of the extension
As introduced above, version 1.2 of the extension splits the screen size
@@ -449,6 +453,21 @@ RRGetScreenResources
Errors: Window
+ RRGetScreenResources returns information about the number of outputs
+ and crtcs connected to the screen associated with 'window'.
+
+ 'timestamp' indicates when the configuration was last set.
+
+ 'config-timestamp' indicates when the configuration information last
+ changed. Requests to configure the output will fail unless the
+ timestamp indicates that the information the client is using is up
+ to date, to ensure clients can be well behaved in the face of race
+ conditions.
+
+ 'number-of-crtcs' indicates the valid range of CRTC indices.
+
+ 'number-of-outputs' indicates the valid range of OUTPUT indices.
+
RRGetOutputInfo
window: WINDOW
output: OUTPUT
@@ -456,13 +475,53 @@ RRGetOutputInfo
â–¶
timestamp: TIMESTAMP
+ crtc: CRTC
+
config-timestamp: TIMESTAMP
name: STRING
- crtc: CRTC
+ connection: CONNECTION
crtcs: LISTofCRTC
clones: LISTofOUTPUT
modes: LISTofOUTPUTMODE
+ Errors: Window
+
+ RRGetOutputInfo returns information about the current and available
+ configurations for the specified output connected to the screen
+ associated with 'window'.
+
+ 'timestamp' indicates when the configuration was last set.
+
+ 'crtc' is the current source CRTC for video data, or Disabled if the
+ output is not connected to any CRTC.
+
+ 'config-timestamp' indicates when the configuration information last
+ changed. Requests to configure the output will fail unless the
+ timestamp indicates that the information the client is using is up
+ to date, to ensure clients can be well behaved in the face of race
+ conditions.
+
+ 'name' is a UTF-8 encoded string designed to be presented to the
+ user to indicate which output this is. E.g. "S-Video" or "DVI".
+
+ 'connection' indicates whether the hardware was able to detect a
+ device connected to this output. If the hardware cannot determine
+ whether something is connected, it will set this to
+ UnknownConnection.
+
+ 'crtcs' is the list of CRTCs that this output may be connected to.
+ Attempting to connect this output to a different CRTC results in a
+ Match error.
+
+ 'clones' is the list of outputs which may be simultaneously
+ connected to the same CRTC along with this output. Attempting to
+ connect this output with an output not in the 'clones' list
+ results in a Match error.
+
+ 'modes' is the list of modes supported by this output. Attempting to
+ connect this output to a CRTC not using one of these modes results
+ in a Match error.
+
RRGetCrtcInfo
window: WINDOW
crtc: CRTC
@@ -498,7 +557,7 @@ RRGetCrtcInfo
when the CRTC is disabled.
'config-timestamp' indicates when the configuration information last
- changed: requests to configure the CRTC will fail unless the
+ changed. Requests to configure the CRTC will fail unless the
timestamp indicates that the information the client is using is up
to date, to ensure clients can be well behaved in the face of race
conditions.
@@ -512,9 +571,9 @@ RRGetCrtcInfo
RRAddOutputMode
window: WINDOW
output: OUTPUT
- mode: OUTPUTMODE
config-timestamp: TIMESTAMP
timestamp: TIMESTAMP
+ mode: OUTPUTMODE
â–¶
@@ -688,35 +747,36 @@ RROutputChangeNotify:
config-timestamp: TIMESTAMP time available config data was changed
root: WINDOW root window of screen
window: WINDOW window requesting notification
- output: OUTPUT output which changed
This event is generated whenever the available output configurations
have changed and is sent to requesting clients. 'timestamp'
indicates when the crtc configuration was changed by a client.
'config-timestamp' says when the last time the available
configurations changed. 'root' is the root of the screen the change
- occurred on, 'window' is window selecting for this event.
+ occurred on, 'window' is window selecting for this event. The
+ precise change can be detected by examining the new state of the
+ system.
-RRCrtcChangeNotify
+RRCrtcChangeNotify /* XXX need to fit to 32 bytes */
sequence-number: CARD16 low 16 bits of request's seq. number
timestamp: TIMESTAMP time monitor was changed
config-timestamp: TIMESTAMP time config data was changed
root: WINDOW root window of screen
window: WINDOW window requesting notification
- crtc-index: CRTC monitor which changed
+ crtc: CRTC CRTC which changed
mode: MODE new mode
rotation: ROTATION; new rotation
subpixelOrder: SUBPIXELORDER order of subpixels
- x: INT16 x position of monitor within screen
- y: INT16 y position of monitor within screen
+ x: INT16 x position of CRTC within screen
+ y: INT16 y position of CRTC within screen
- This event is generated whenever the monitor configuration is changed
+ This event is generated whenever the CRTC configuration is changed
and sent to requesting clients. 'timestamp' indicates when the
- monitor configuration was changed. 'config-timestamp' says when the
+ CRTC configuration was changed. 'config-timestamp' says when the
last time the configuration was changed. 'root' is the root of the
screen the change occurred on, 'window' is window selecting for this
- event. 'size-id' contains the index of the current size.
+ event.
This event is sent whenever the monitor's configuration changes
or if a new monitor configuration becomes available that was
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