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Wayland: Implement game embedding

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This patch introduces a new protocol proxy, which multiplxes Wayland
clients into a single connection, allowing us to redirect calls (e.g.
create toplevel -> create subsurface). Mixed with some state tracking
and emulation, we can embed a full-featured client into the editor.
This commit is contained in:
Dery Almas
2025-11-15 23:38:41 +01:00
parent ef34c3d534
commit bbf65ae72f
25 changed files with 6053 additions and 23 deletions
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74
platform/linuxbsd/wayland/godot-embedding-compositor.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<protocol name="godot_embedding_compositor">
<copyright>
Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md).
Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
</copyright>
<interface name="godot_embedding_compositor" version="1">
<description summary="Main control interface for embedding compositor"/>
<event name="client">
<description summary="A new client connected to the compositor"/>
<arg name="client" type="new_id" interface="godot_embedded_client"/>
<arg name="pid" type="int"/>
</event>
</interface>
<interface name="godot_embedded_client" version="1">
<description summary="A client connected to the embedded compositor.">
Clients have only a single embedded window at a time, subject to change.
</description>
<request name="destroy" type="destructor"/>
<request name="set_embedded_window_rect">
<arg name="x" type="int"/>
<arg name="y" type="int"/>
<arg name="width" type="int"/>
<arg name="height" type="int"/>
</request>
<request name="set_embedded_window_parent">
<description summary="(Re)map onto an xdg_toplevel"/>
<arg name="parent" type="object" interface="xdg_toplevel" allow-null="true"/>
</request>
<request name="focus_window"/>
<request name="embedded_window_request_close"/>
<event name="disconnected">
<description summary="The client got disconnected from the compositor">
This instance is no longer valid. The compositor shall ignore any
further request except destroy and stop emitting events for this object.
After this event, the client can safely destroy this object.
</description>
</event>
<event name="window_embedded"/>
<event name="window_focus_in"/>
<event name="window_focus_out"/>
</interface>
</protocol>