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Add wl_surface.enter and wl_surface.leave events

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These events let us track when a surface enters or leaves the scanout region of
an output. This way if a surface moves to another output and that output is on
a different card, we can suggest the toolkit reallocate its buffers
appropriately.

Signed-off-by: Casey Dahlin <cdahlin@redhat.com>
This commit is contained in:
Casey Dahlin 2012-04-17 17:22:45 -04:00 • committed by Kristian Høgsberg
parent f52a901f88
commit a5df3de101
1 changed files with 18 additions and 0 deletions
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18
protocol/wayland.xml
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@ -660,6 +660,24 @@
<arg name="region" type="object" interface="wl_region"/>
</request>
<event name="enter">
<description summary="surface enters an output">
This is emitted whenever a surface's creation, movement, or resizing
results in some part of it being within the scanout region of an
output.
</description>
<arg name="output" type="object" interface="wl_output"/>
</event>
<event name="leave">
<description summary="surface leaves an output">
This is emitted whenever a surface's creation, movement, or resizing
results in it no longer having any part of it within the scanout region
of an output.
</description>
<arg name="output" type="object" interface="wl_output"/>
</event>
</interface>
<interface name="wl_input_device" version="1">