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protocols: Use screencopy v3

pixman-rendering
Andri Yngvason 2020-06-23 22:50:32 +00:00
parent ef91f040f9
commit bea97623c9
1 changed files with 39 additions and 14 deletions
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53
protocols/wlr-screencopy-unstable-v1.xml
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@ -38,7 +38,7 @@
interface version number is reset. interface version number is reset.
</description> </description>
<interface name="zwlr_screencopy_manager_v1" version="2"> <interface name="zwlr_screencopy_manager_v1" version="3">
<description summary="manager to inform clients and begin capturing"> <description summary="manager to inform clients and begin capturing">
This object is a manager which offers requests to start capturing from a This object is a manager which offers requests to start capturing from a
source. source.
@ -80,13 +80,18 @@
</request> </request>
</interface> </interface>
<interface name="zwlr_screencopy_frame_v1" version="2"> <interface name="zwlr_screencopy_frame_v1" version="3">
<description summary="a frame ready for copy"> <description summary="a frame ready for copy">
This object represents a single frame. This object represents a single frame.
When created, a "buffer" event will be sent. The client will then be able When created, a series of buffer events will be sent, each representing a
to send a "copy" request. If the capture is successful, the compositor supported buffer type. The "buffer_done" event is sent afterwards to
will send a "flags" followed by a "ready" event. indicate that all supported buffer types have been enumerated. The client
will then be able to send a "copy" request. If the capture is successful,
the compositor will send a "flags" followed by a "ready" event.
For objects version 2 or lower, wl_shm buffers are always supported, ie.
the "buffer" event is guaranteed to be sent.
If the capture failed, the "failed" event is sent. This can happen anytime If the capture failed, the "failed" event is sent. This can happen anytime
before the "ready" event. before the "ready" event.
@ -96,14 +101,12 @@
</description> </description>
<event name="buffer"> <event name="buffer">
<description summary="buffer information"> <description summary="wl_shm buffer information">
Provides information about the frame's buffer. This event is sent once Provides information about wl_shm buffer parameters that need to be
as soon as the frame is created. used for this frame. This event is sent once after the frame is created
if wl_shm buffers are supported.
The client should then create a buffer with the provided attributes, and
send a "copy" request.
</description> </description>
<arg name="format" type="uint" summary="buffer format"/> <arg name="format" type="uint" enum="wl_shm.format" summary="buffer format"/>
<arg name="width" type="uint" summary="buffer width"/> <arg name="width" type="uint" summary="buffer width"/>
<arg name="height" type="uint" summary="buffer height"/> <arg name="height" type="uint" summary="buffer height"/>
<arg name="stride" type="uint" summary="buffer stride"/> <arg name="stride" type="uint" summary="buffer stride"/>
@ -112,8 +115,9 @@
<request name="copy"> <request name="copy">
<description summary="copy the frame"> <description summary="copy the frame">
Copy the frame to the supplied buffer. The buffer must have a the Copy the frame to the supplied buffer. The buffer must have a the
correct size, see zwlr_screencopy_frame_v1.buffer. The buffer needs to correct size, see zwlr_screencopy_frame_v1.buffer and
have a supported format. zwlr_screencopy_frame_v1.linux_dmabuf. The buffer needs to have a
supported format.
If the frame is successfully copied, a "flags" and a "ready" events are If the frame is successfully copied, a "flags" and a "ready" events are
sent. Otherwise, a "failed" event is sent. sent. Otherwise, a "failed" event is sent.
@ -203,5 +207,26 @@
<arg name="width" type="uint" summary="current width"/> <arg name="width" type="uint" summary="current width"/>
<arg name="height" type="uint" summary="current height"/> <arg name="height" type="uint" summary="current height"/>
</event> </event>
<!-- Version 3 additions -->
<event name="linux_dmabuf" since="3">
<description summary="linux-dmabuf buffer information">
Provides information about linux-dmabuf buffer parameters that need to
be used for this frame. This event is sent once after the frame is
created if linux-dmabuf buffers are supported.
</description>
<arg name="format" type="uint" summary="fourcc pixel format"/>
<arg name="width" type="uint" summary="buffer width"/>
<arg name="height" type="uint" summary="buffer height"/>
</event>
<event name="buffer_done" since="3">
<description summary="all buffer types reported">
This event is sent once after all buffer events have been sent.
The client should proceed to create a buffer of one of the supported
types, and send a "copy" request.
</description>
</event>
</interface> </interface>
</protocol> </protocol>