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wlr-output-management: Implement version 3 release requests

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Head/mode resources older than version 3 and lacking a release request
are intentionally leaked as this is the only way to fix the race.

Implements: https://gitlab.freedesktop.org/wlroots/wlr-protocols/-/merge_requests/114
This commit is contained in:
Isaac Freund 2022-06-30 14:01:46 +02:00 • committed by Simon Ser
parent d3cb6b73a2
commit 4c1afb126b
2 changed files with 63 additions and 21 deletions
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47
protocol/wlr-output-management-unstable-v1.xml
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@ -39,7 +39,7 @@
interface version number is reset.
</description>
<interface name="zwlr_output_manager_v1" version="2">
<interface name="zwlr_output_manager_v1" version="3">
<description summary="output device configuration manager">
This interface is a manager that allows reading and writing the current
output device configuration.
@ -115,7 +115,7 @@
</description>
</request>
<event name="finished">
<event name="finished" type="destructor">
<description summary="the compositor has finished with the manager">
This event indicates that the compositor is done sending manager events.
The compositor will destroy the object immediately after sending this
@ -125,7 +125,7 @@
</event>
</interface>
<interface name="zwlr_output_head_v1" version="2">
<interface name="zwlr_output_head_v1" version="3">
<description summary="output device">
A head is an output device. The difference between a wl_output object and
a head is that heads are advertised even if they are turned off. A head
@ -251,14 +251,15 @@
</event>
<event name="finished">
<description summary="the head has been destroyed">
The compositor will destroy the object immediately after sending this
event, so it will become invalid and the client should release any
resources associated with it.
<description summary="the head has disappeared">
This event indicates that the head is no longer available. The head
object becomes inert. Clients should send a destroy request and release
any resources associated with it.
</description>
</event>
<!-- Version 2 additions -->
<event name="make" since="2">
<description summary="head manufacturer">
This event describes the manufacturer of the head.
@ -328,9 +329,18 @@
</description>
<arg name="serial_number" type="string"/>
</event>
<!-- Version 3 additions -->
<request name="release" type="destructor" since="3">
<description summary="destroy the head object">
This request indicates that the client will no longer use this head
object.
</description>
</request>
</interface>
<interface name="zwlr_output_mode_v1" version="2">
<interface name="zwlr_output_mode_v1" version="3">
<description summary="output mode">
This object describes an output mode.
@ -368,15 +378,24 @@
</event>
<event name="finished">
<description summary="the mode has been destroyed">
The compositor will destroy the object immediately after sending this
event, so it will become invalid and the client should release any
resources associated with it.
<description summary="the mode has disappeared">
This event indicates that the mode is no longer available. The mode
object becomes inert. Clients should send a destroy request and release
any resources associated with it.
</description>
</event>
<!-- Version 3 additions -->
<request name="release" type="destructor" since="3">
<description summary="destroy the mode object">
This request indicates that the client will no longer use this mode
object.
</description>
</request>
</interface>
<interface name="zwlr_output_configuration_v1" version="2">
<interface name="zwlr_output_configuration_v1" version="3">
<description summary="output configuration">
This object is used by the client to describe a full output configuration.
@ -494,7 +513,7 @@
</request>
</interface>
<interface name="zwlr_output_configuration_head_v1" version="2">
<interface name="zwlr_output_configuration_head_v1" version="3">
<description summary="head configuration">
This object is used by the client to update a single head's configuration.