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-rw-r--r--meson.build1
-rw-r--r--staging/content-type/README5
-rw-r--r--staging/content-type/content-type-v1.xml128
3 files changed, 134 insertions, 0 deletions
diff --git a/meson.build b/meson.build
index 36a95e9..8e4059e 100644
--- a/meson.build
+++ b/meson.build
@@ -41,6 +41,7 @@ staging_protocols = {
'ext-session-lock': ['v1'],
'single-pixel-buffer': ['v1'],
'ext-idle-notify': ['v1'],
+ 'content-type': ['v1'],
}
protocol_files = []
diff --git a/staging/content-type/README b/staging/content-type/README
new file mode 100644
index 0000000..63258e0
--- /dev/null
+++ b/staging/content-type/README
@@ -0,0 +1,5 @@
+Content type hint protocol
+
+Maintainers:
+Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
+Xaver Hugl <xaver.hugl@gmail.com>
diff --git a/staging/content-type/content-type-v1.xml b/staging/content-type/content-type-v1.xml
new file mode 100644
index 0000000..d06c11f
--- /dev/null
+++ b/staging/content-type/content-type-v1.xml
@@ -0,0 +1,128 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<protocol name="content_type_v1">
+ <copyright>
+ Copyright © 2021 Emmanuel Gil Peyrot
+ Copyright © 2022 Xaver Hugl
+
+ 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 (including the next
+ paragraph) 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="wp_content_type_manager_v1" version="1">
+ <description summary="surface content type manager">
+ This interface allows a client to describe the kind of content a surface
+ will display, to allow the compositor to optimize its behavior for it.
+
+ Warning! The protocol described in this file is currently in the testing
+ phase. Backward compatible changes may be added together with the
+ corresponding interface version bump. Backward incompatible changes can
+ only be done by creating a new major version of the extension.
+ </description>
+
+ <request name="destroy" type="destructor">
+ <description summary="destroy the content type manager object">
+ Destroy the content type manager. This doesn't destroy objects created
+ with the manager.
+ </description>
+ </request>
+
+ <enum name="error">
+ <entry name="already_constructed" value="0"
+ summary="wl_surface already has a content type object"/>
+ </enum>
+
+ <request name="get_surface_content_type">
+ <description summary="create a new toplevel decoration object">
+ Create a new content type object associated with the given surface.
+
+ Creating a wp_content_type_v1 from a wl_surface which already has one
+ attached is a client error: already_constructed.
+ </description>
+ <arg name="id" type="new_id" interface="wp_content_type_v1"/>
+ <arg name="surface" type="object" interface="wl_surface"/>
+ </request>
+ </interface>
+
+ <interface name="wp_content_type_v1" version="1">
+ <description summary="content type object for a surface">
+ The content type object allows the compositor to optimize for the kind
+ of content shown on the surface. A compositor may for example use it to
+ set relevant drm properties like "content type".
+
+ The client may request to switch to another content type at any time.
+ When the associated surface gets destroyed, this object becomes inert and
+ the client should destroy it.
+ </description>
+
+ <request name="destroy" type="destructor">
+ <description summary="destroy the content type object">
+ Switch back to not specifying the content type of this surface. This is
+ equivalent to setting the content type to none, including double
+ buffering semantics. See set_content_type for details.
+ </description>
+ </request>
+
+ <enum name="type">
+ <description summary="possible content types">
+ These values describe the available content types for a surface.
+ </description>
+ <entry name="none" value="0">
+ <description summary="no content type applies">
+ The content type none means that either the application has no data
+ about the content type, or that the content doesn't fit into one of
+ the other categories.
+ </description>
+ </entry>
+ <entry name="photo" value="1">
+ <description summary="photo content type">
+ The content type photo describes content derived from digital still
+ pictures and may be presented with minimal processing.
+ </description>
+ </entry>
+ <entry name="video" value="2">
+ <description summary="video content type">
+ The content type video describes a video or animation and may be
+ presented with more accurate timing to avoid stutter. Where scaling
+ is needed, scaling methods more appropriate for video may be used.
+ </description>
+ </entry>
+ <entry name="game" value="3">
+ <description summary="game content type">
+ The content type game describes a running game. Its content may be
+ presented with reduced latency.
+ </description>
+ </entry>
+ </enum>
+
+ <request name="set_content_type">
+ <description summary="specify the content type">
+ Set the surface content type. This informs the compositor that the
+ client believes it is displaying buffers matching this content type.
+
+ This is purely a hint for the compositor, which can be used to adjust
+ its behavior or hardware settings to fit the presented content best.
+
+ The content type is double-buffered state, see wl_surface.commit for
+ details.
+ </description>
+ <arg name="content_type" type="uint" enum="content_type"
+ summary="the content type"/>
+ </request>
+ </interface>
+</protocol>