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libweston: make wl_output point to weston_head

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The user data of a wl_resource representing a wl_output protocol object
used to be a pointer to weston_output. Now that weston_output is being
split, wl_output more accurately refers to weston_head which is a single
monitor.

Change the wl_output user data to point to weston_head.
weston_output_from_resource() is replaced with
weston_head_from_resource().

This change is not strictly necessary, but architecturally it is the
right thing to do. In the future there might appear the need to refer to
a specific head of a cloned pair, for instance.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
v5 Reviewed-by: Derek Foreman <derekf@osg.samsung.com>
Reviewed-by: Ian Ray <ian.ray@ge.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Acked-by: Derek Foreman <derekf@osg.samsung.com>
This commit is contained in:
Pekka Paalanen
2017-03-27 16:31:25 +03:00
parent 0534762b21
commit 055c1137ae
10 changed files with 19 additions and 15 deletions
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tests/weston-test.c
+1 -1
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@@ -530,7 +530,7 @@ capture_screenshot(struct wl_client *client,
struct wl_resource *buffer_resource)
{
struct weston_output *output =
weston_output_from_resource(output_resource);
weston_head_from_resource(output_resource)->output;
struct weston_buffer *buffer =
weston_buffer_from_resource(buffer_resource);